Diablo Lake weather by month

Check out Diablo Lake weather averages by month. Compare detailed monthly climate statistics including temperature, rainfall and sunshine figures.

Temperature in Diablo Lake (°F)

  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Max temperature (daytime)
30°F maximum daytime temperature in January in Diablo Lake30
36°F maximum daytime temperature in February in Diablo Lake36
41°F maximum daytime temperature in March in Diablo Lake41
48°F maximum daytime temperature in April in Diablo Lake48
55°F maximum daytime temperature in May in Diablo Lake55
63°F maximum daytime temperature in June in Diablo Lake63
70°F maximum daytime temperature in July in Diablo Lake70
70°F maximum daytime temperature in August in Diablo Lake70
61°F maximum daytime temperature in September in Diablo Lake61
52°F maximum daytime temperature in October in Diablo Lake52
36°F maximum daytime temperature in November in Diablo Lake36
30°F maximum daytime temperature in December in Diablo Lake30
Min temperature (night-time)
18°F minimum night-time temperature in January in Diablo Lake18
21°F minimum night-time temperature in February in Diablo Lake21
25°F minimum night-time temperature in March in Diablo Lake25
28°F minimum night-time temperature in April in Diablo Lake28
36°F minimum night-time temperature in May in Diablo Lake36
41°F minimum night-time temperature in June in Diablo Lake41
45°F minimum night-time temperature in July in Diablo Lake45
45°F minimum night-time temperature in August in Diablo Lake45
39°F minimum night-time temperature in September in Diablo Lake39
32°F minimum night-time temperature in October in Diablo Lake32
25°F minimum night-time temperature in November in Diablo Lake25
18°F minimum night-time temperature in December in Diablo Lake18
Heat & Humidity
No heat & humidity in January in Diablo Lake0
No heat & humidity in February in Diablo Lake0
No heat & humidity in March in Diablo Lake0
No heat & humidity in April in Diablo Lake0
No heat & humidity in May in Diablo Lake0
No heat & humidity in June in Diablo Lake0
No heat & humidity in July in Diablo Lake0
No heat & humidity in August in Diablo Lake0
No heat & humidity in September in Diablo Lake0
No heat & humidity in October in Diablo Lake0
No heat & humidity in November in Diablo Lake0
No heat & humidity in December in Diablo Lake0

Note: 0 = None, L = Low, M = Moderate, H = High, VH = Very high, E = Extreme

Sunshine & Daylight in Diablo Lake

  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Daily hours of sunshine
Daily hours of daylight
9 hours of daylight per day in January in Diablo Lake9
10 hours of daylight per day in February in Diablo Lake10
12 hours of daylight per day in March in Diablo Lake12
14 hours of daylight per day in April in Diablo Lake14
15 hours of daylight per day in May in Diablo Lake15
16 hours of daylight per day in June in Diablo Lake16
16 hours of daylight per day in July in Diablo Lake16
14 hours of daylight per day in August in Diablo Lake14
13 hours of daylight per day in September in Diablo Lake13
11 hours of daylight per day in October in Diablo Lake11
9 hours of daylight per day in November in Diablo Lake9
8 hours of daylight per day in December in Diablo Lake8
UV Index (Maximum)
UV (maximum) index 1 (Low) in January in Diablo Lake1
UV (maximum) index 2 (Low) in February in Diablo Lake2
UV (maximum) index 3 (Moderate) in March in Diablo Lake3
UV (maximum) index 5 (Moderate) in April in Diablo Lake5
UV (maximum) index 6 (High) in May in Diablo Lake6
UV (maximum) index 7 (High) in June in Diablo Lake7
UV (maximum) index 7 (High) in July in Diablo Lake7
UV (maximum) index 7 (High) in August in Diablo Lake7
UV (maximum) index 5 (Moderate) in September in Diablo Lake5
UV (maximum) index 3 (Moderate) in October in Diablo Lake3
UV (maximum) index 1 (Low) in November in Diablo Lake1
UV (maximum) index 1 (Low) in December in Diablo Lake1

Rainfall in Diablo Lake

  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Number of days with some rain
17 days with some rainfall in January in Diablo Lake17
14 days with some rainfall in February in Diablo Lake14
15 days with some rainfall in March in Diablo Lake15
12 days with some rainfall in April in Diablo Lake12
12 days with some rainfall in May in Diablo Lake12
11 days with some rainfall in June in Diablo Lake11
8 days with some rainfall in July in Diablo Lake8
9 days with some rainfall in August in Diablo Lake9
11 days with some rainfall in September in Diablo Lake11
13 days with some rainfall in October in Diablo Lake13
17 days with some rainfall in November in Diablo Lake17
18 days with some rainfall in December in Diablo Lake18
Average monthly rainfall (inches)
7.6 inches monthly rainfall in January in Diablo Lake7.6
5.6 inches monthly rainfall in February in Diablo Lake5.6
4.6 inches monthly rainfall in March in Diablo Lake4.6
3.1 inches monthly rainfall in April in Diablo Lake3.1
2.4 inches monthly rainfall in May in Diablo Lake2.4
2.2 inches monthly rainfall in June in Diablo Lake2.2
1.7 inches monthly rainfall in July in Diablo Lake1.7
1.7 inches monthly rainfall in August in Diablo Lake1.7
2.5 inches monthly rainfall in September in Diablo Lake2.5
4.4 inches monthly rainfall in October in Diablo Lake4.4
7.4 inches monthly rainfall in November in Diablo Lake7.4
7.8 inches monthly rainfall in December in Diablo Lake7.8

More about Diablo Lake

Diablo Lake by month

Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec

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The climate guide for Washington State (Diablo Lake) shows long term monthly weather averages processed from data supplied by CRU (University of East Anglia), the Met Office & the Netherlands Meteorological Institute. Find out more about our data sources.

What's the climate like in Diablo Lake?

Diablo Lake has a cold climate with warm dry summers.

Diablo Lake weather in January

Expect daytime maximum temperatures of 30°F in Diablo Lake, Washington State in January based on long-term weather averages. There are 2 hours of sunshine per day on average with 17 days with some rainfall and typically 7.6 inches of rainfall in the month, which might fall as snow.

  • 30°F maximum daytime temperature in January in Diablo Lake30
    30°F max day temperature
  • 2 hours of sunshine per day
  • 17 days with some rainfall in January in Diablo Lake17
    17 days with some rainfall
  • 18°F minimum night-time temperature in January in Diablo Lake18
    18°F min night temperature
  • 9 hours of daylight per day in January in Diablo Lake9
    9 hours of daylight per day
  • No heat & humidity in January in Diablo Lake0
    No heat & humidity
  • 7.6 inches monthly rainfall in January in Diablo Lake7.6
    7.6 inches of monthly rainfall
  • UV (maximum) index 1 (Low) in January in Diablo Lake1
    1 (Low) UV index

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Diablo Lake weather in February

Expect daytime maximum temperatures of 36°F in Diablo Lake, Washington State in February based on long-term weather averages. There are 3 hours of sunshine per day on average with 14 days with some rainfall and typically 5.6 inches of rainfall in the month, which might fall as snow.

  • 36°F maximum daytime temperature in February in Diablo Lake36
    36°F max day temperature
  • 3 hours of sunshine per day
  • 14 days with some rainfall in February in Diablo Lake14
    14 days with some rainfall
  • 21°F minimum night-time temperature in February in Diablo Lake21
    21°F min night temperature
  • 10 hours of daylight per day in February in Diablo Lake10
    10 hours of daylight per day
  • No heat & humidity in February in Diablo Lake0
    No heat & humidity
  • 5.6 inches monthly rainfall in February in Diablo Lake5.6
    5.6 inches of monthly rainfall
  • UV (maximum) index 2 (Low) in February in Diablo Lake2
    2 (Low) UV index

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Diablo Lake weather in March

Expect daytime maximum temperatures of 41°F in Diablo Lake, Washington State in March based on long-term weather averages. There are 5 hours of sunshine per day on average with 15 days with some rainfall and typically 4.6 inches of rainfall in the month, which might fall as snow.

  • 41°F maximum daytime temperature in March in Diablo Lake41
    41°F max day temperature
  • 5 hours of sunshine per day
  • 15 days with some rainfall in March in Diablo Lake15
    15 days with some rainfall
  • 25°F minimum night-time temperature in March in Diablo Lake25
    25°F min night temperature
  • 12 hours of daylight per day in March in Diablo Lake12
    12 hours of daylight per day
  • No heat & humidity in March in Diablo Lake0
    No heat & humidity
  • 4.6 inches monthly rainfall in March in Diablo Lake4.6
    4.6 inches of monthly rainfall
  • UV (maximum) index 3 (Moderate) in March in Diablo Lake3
    3 (Moderate) UV index

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Diablo Lake weather in April

Expect daytime maximum temperatures of 48°F in Diablo Lake, Washington State in April based on long-term weather averages. There are 6 hours of sunshine per day on average with 12 days with some rainfall and typically 3.1 inches of rainfall in the month.

  • 48°F maximum daytime temperature in April in Diablo Lake48
    48°F max day temperature
  • 6 hours of sunshine per day
  • 12 days with some rainfall in April in Diablo Lake12
    12 days with some rainfall
  • 28°F minimum night-time temperature in April in Diablo Lake28
    28°F min night temperature
  • 14 hours of daylight per day in April in Diablo Lake14
    14 hours of daylight per day
  • No heat & humidity in April in Diablo Lake0
    No heat & humidity
  • 3.1 inches monthly rainfall in April in Diablo Lake3.1
    3.1 inches of monthly rainfall
  • UV (maximum) index 5 (Moderate) in April in Diablo Lake5
    5 (Moderate) UV index

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Diablo Lake weather in May

Expect daytime maximum temperatures of 55°F in Diablo Lake, Washington State in May based on long-term weather averages. There are 7 hours of sunshine per day on average with 12 days with some rainfall and typically 2.4 inches of rainfall in the month.

  • 55°F maximum daytime temperature in May in Diablo Lake55
    55°F max day temperature
  • 7 hours of sunshine per day
  • 12 days with some rainfall in May in Diablo Lake12
    12 days with some rainfall
  • 36°F minimum night-time temperature in May in Diablo Lake36
    36°F min night temperature
  • 15 hours of daylight per day in May in Diablo Lake15
    15 hours of daylight per day
  • No heat & humidity in May in Diablo Lake0
    No heat & humidity
  • 2.4 inches monthly rainfall in May in Diablo Lake2.4
    2.4 inches of monthly rainfall
  • UV (maximum) index 6 (High) in May in Diablo Lake6
    6 (High) UV index

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Diablo Lake weather in June

Expect daytime maximum temperatures of 63°F in Diablo Lake, Washington State in June based on long-term weather averages. There are 8 hours of sunshine per day on average with 11 days with some rainfall and typically 2.2 inches of rainfall in the month.

  • 63°F maximum daytime temperature in June in Diablo Lake63
    63°F max day temperature
  • 8 hours of sunshine per day
  • 11 days with some rainfall in June in Diablo Lake11
    11 days with some rainfall
  • 41°F minimum night-time temperature in June in Diablo Lake41
    41°F min night temperature
  • 16 hours of daylight per day in June in Diablo Lake16
    16 hours of daylight per day
  • No heat & humidity in June in Diablo Lake0
    No heat & humidity
  • 2.2 inches monthly rainfall in June in Diablo Lake2.2
    2.2 inches of monthly rainfall
  • UV (maximum) index 7 (High) in June in Diablo Lake7
    7 (High) UV index

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Diablo Lake weather in July

Expect daytime maximum temperatures of 70°F in Diablo Lake, Washington State in July based on long-term weather averages. There are 9 hours of sunshine per day on average with typically 1.7 inches of rainfall in the month.

  • 70°F maximum daytime temperature in July in Diablo Lake70
    70°F max day temperature
  • 9 hours of sunshine per day
  • 8 days with some rainfall in July in Diablo Lake8
    8 days with some rainfall
  • 45°F minimum night-time temperature in July in Diablo Lake45
    45°F min night temperature
  • 16 hours of daylight per day in July in Diablo Lake16
    16 hours of daylight per day
  • No heat & humidity in July in Diablo Lake0
    No heat & humidity
  • 1.7 inches monthly rainfall in July in Diablo Lake1.7
    1.7 inches of monthly rainfall
  • UV (maximum) index 7 (High) in July in Diablo Lake7
    7 (High) UV index

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Diablo Lake weather in August

Expect daytime maximum temperatures of 70°F in Diablo Lake, Washington State in August based on long-term weather averages. There are 8 hours of sunshine per day on average with typically 1.7 inches of rainfall in the month.

  • 70°F maximum daytime temperature in August in Diablo Lake70
    70°F max day temperature
  • 8 hours of sunshine per day
  • 9 days with some rainfall in August in Diablo Lake9
    9 days with some rainfall
  • 45°F minimum night-time temperature in August in Diablo Lake45
    45°F min night temperature
  • 14 hours of daylight per day in August in Diablo Lake14
    14 hours of daylight per day
  • No heat & humidity in August in Diablo Lake0
    No heat & humidity
  • 1.7 inches monthly rainfall in August in Diablo Lake1.7
    1.7 inches of monthly rainfall
  • UV (maximum) index 7 (High) in August in Diablo Lake7
    7 (High) UV index

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Diablo Lake weather in September

Expect daytime maximum temperatures of 61°F in Diablo Lake, Washington State in September based on long-term weather averages. There are 6 hours of sunshine per day on average with 11 days with some rainfall and typically 2.5 inches of rainfall in the month.

  • 61°F maximum daytime temperature in September in Diablo Lake61
    61°F max day temperature
  • 6 hours of sunshine per day
  • 11 days with some rainfall in September in Diablo Lake11
    11 days with some rainfall
  • 39°F minimum night-time temperature in September in Diablo Lake39
    39°F min night temperature
  • 13 hours of daylight per day in September in Diablo Lake13
    13 hours of daylight per day
  • No heat & humidity in September in Diablo Lake0
    No heat & humidity
  • 2.5 inches monthly rainfall in September in Diablo Lake2.5
    2.5 inches of monthly rainfall
  • UV (maximum) index 5 (Moderate) in September in Diablo Lake5
    5 (Moderate) UV index

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Diablo Lake weather in October

Expect daytime maximum temperatures of 52°F in Diablo Lake, Washington State in October based on long-term weather averages. There are 5 hours of sunshine per day on average with 13 days with some rainfall and typically 4.4 inches of rainfall in the month.

  • 52°F maximum daytime temperature in October in Diablo Lake52
    52°F max day temperature
  • 5 hours of sunshine per day
  • 13 days with some rainfall in October in Diablo Lake13
    13 days with some rainfall
  • 32°F minimum night-time temperature in October in Diablo Lake32
    32°F min night temperature
  • 11 hours of daylight per day in October in Diablo Lake11
    11 hours of daylight per day
  • No heat & humidity in October in Diablo Lake0
    No heat & humidity
  • 4.4 inches monthly rainfall in October in Diablo Lake4.4
    4.4 inches of monthly rainfall
  • UV (maximum) index 3 (Moderate) in October in Diablo Lake3
    3 (Moderate) UV index

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Diablo Lake weather in November

Expect daytime maximum temperatures of 36°F in Diablo Lake, Washington State in November based on long-term weather averages. There are 2 hours of sunshine per day on average with 17 days with some rainfall and typically 7.4 inches of rainfall in the month, which might fall as snow.

  • 36°F maximum daytime temperature in November in Diablo Lake36
    36°F max day temperature
  • 2 hours of sunshine per day
  • 17 days with some rainfall in November in Diablo Lake17
    17 days with some rainfall
  • 25°F minimum night-time temperature in November in Diablo Lake25
    25°F min night temperature
  • 9 hours of daylight per day in November in Diablo Lake9
    9 hours of daylight per day
  • No heat & humidity in November in Diablo Lake0
    No heat & humidity
  • 7.4 inches monthly rainfall in November in Diablo Lake7.4
    7.4 inches of monthly rainfall
  • UV (maximum) index 1 (Low) in November in Diablo Lake1
    1 (Low) UV index

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Diablo Lake weather in December

Expect daytime maximum temperatures of 30°F in Diablo Lake, Washington State in December based on long-term weather averages. There are 2 hours of sunshine per day on average with 18 days with some rainfall and typically 7.8 inches of rainfall in the month, which might fall as snow.

  • 30°F maximum daytime temperature in December in Diablo Lake30
    30°F max day temperature
  • 2 hours of sunshine per day
  • 18 days with some rainfall in December in Diablo Lake18
    18 days with some rainfall
  • 18°F minimum night-time temperature in December in Diablo Lake18
    18°F min night temperature
  • 8 hours of daylight per day in December in Diablo Lake8
    8 hours of daylight per day
  • No heat & humidity in December in Diablo Lake0
    No heat & humidity
  • 7.8 inches monthly rainfall in December in Diablo Lake7.8
    7.8 inches of monthly rainfall
  • UV (maximum) index 1 (Low) in December in Diablo Lake1
    1 (Low) UV index

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More about Diablo Lake

Diablo Lake by month

Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec

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The climate guide for Washington State (Diablo Lake) shows long term monthly weather averages processed from data supplied by CRU (University of East Anglia), the Met Office & the Netherlands Meteorological Institute. Find out more about our data sources.

Metric (°C)  |  Imperial (°F)

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More about the USA

Compare Diablo Lake with the UK

Below the Diablo Lake chart shows average maximum daytime temperature for Diablo Lake, Washington, USA and the UK (London).

Maximum daytime temperature (°F)

Diablo Lake, Washington, USA
UK (London)
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec

Metric (°C)  |  Imperial (°F)

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