Dorchester weather by month

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

Temperature in Dorchester (°F)

  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Max temperature (daytime)
45°F maximum daytime temperature in January in Dorchester45
45°F maximum daytime temperature in February in Dorchester45
48°F maximum daytime temperature in March in Dorchester48
54°F maximum daytime temperature in April in Dorchester54
59°F maximum daytime temperature in May in Dorchester59
64°F maximum daytime temperature in June in Dorchester64
68°F maximum daytime temperature in July in Dorchester68
68°F maximum daytime temperature in August in Dorchester68
64°F maximum daytime temperature in September in Dorchester64
59°F maximum daytime temperature in October in Dorchester59
50°F maximum daytime temperature in November in Dorchester50
46°F maximum daytime temperature in December in Dorchester46
Min temperature (night-time)
36°F minimum night-time temperature in January in Dorchester36
36°F minimum night-time temperature in February in Dorchester36
37°F minimum night-time temperature in March in Dorchester37
39°F minimum night-time temperature in April in Dorchester39
45°F minimum night-time temperature in May in Dorchester45
50°F minimum night-time temperature in June in Dorchester50
54°F minimum night-time temperature in July in Dorchester54
54°F minimum night-time temperature in August in Dorchester54
50°F minimum night-time temperature in September in Dorchester50
46°F minimum night-time temperature in October in Dorchester46
39°F minimum night-time temperature in November in Dorchester39
37°F minimum night-time temperature in December in Dorchester37
Heat & Humidity
No heat & humidity in January in Dorchester0
No heat & humidity in February in Dorchester0
No heat & humidity in March in Dorchester0
No heat & humidity in April in Dorchester0
No heat & humidity in May in Dorchester0
No heat & humidity in June in Dorchester0
No heat & humidity in July in Dorchester0
No heat & humidity in August in Dorchester0
No heat & humidity in September in Dorchester0
No heat & humidity in October in Dorchester0
No heat & humidity in November in Dorchester0
No heat & humidity in December in Dorchester0

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

Sunshine & UV index in Dorchester

  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 Dorchester9
10 hours of daylight per day in February in Dorchester10
12 hours of daylight per day in March in Dorchester12
14 hours of daylight per day in April in Dorchester14
16 hours of daylight per day in May in Dorchester16
16 hours of daylight per day in June in Dorchester16
16 hours of daylight per day in July in Dorchester16
14 hours of daylight per day in August in Dorchester14
13 hours of daylight per day in September in Dorchester13
11 hours of daylight per day in October in Dorchester11
9 hours of daylight per day in November in Dorchester9
8 hours of daylight per day in December in Dorchester8
UV Index (Maximum)
UV (maximum) index 1 (Low) in January in Dorchester1
UV (maximum) index 1 (Low) in February in Dorchester1
UV (maximum) index 3 (Moderate) in March in Dorchester3
UV (maximum) index 4 (Moderate) in April in Dorchester4
UV (maximum) index 6 (High) in May in Dorchester6
UV (maximum) index 6 (High) in June in Dorchester6
UV (maximum) index 6 (High) in July in Dorchester6
UV (maximum) index 6 (High) in August in Dorchester6
UV (maximum) index 4 (Moderate) in September in Dorchester4
UV (maximum) index 2 (Low) in October in Dorchester2
UV (maximum) index 1 (Low) in November in Dorchester1
UV (maximum) index 1 (Low) in December in Dorchester1

Rainfall in Dorchester

  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Number of days with some rain
18 days with some rainfall in January in Dorchester18
14 days with some rainfall in February in Dorchester14
16 days with some rainfall in March in Dorchester16
13 days with some rainfall in April in Dorchester13
14 days with some rainfall in May in Dorchester14
12 days with some rainfall in June in Dorchester12
11 days with some rainfall in July in Dorchester11
12 days with some rainfall in August in Dorchester12
13 days with some rainfall in September in Dorchester13
16 days with some rainfall in October in Dorchester16
16 days with some rainfall in November in Dorchester16
18 days with some rainfall in December in Dorchester18
Average monthly rainfall (inches)
3.7 inches monthly rainfall in January in Dorchester3.7
2.9 inches monthly rainfall in February in Dorchester2.9
3.0 inches monthly rainfall in March in Dorchester3.0
2.1 inches monthly rainfall in April in Dorchester2.1
2.4 inches monthly rainfall in May in Dorchester2.4
2.2 inches monthly rainfall in June in Dorchester2.2
2.1 inches monthly rainfall in July in Dorchester2.1
2.6 inches monthly rainfall in August in Dorchester2.6
2.9 inches monthly rainfall in September in Dorchester2.9
3.3 inches monthly rainfall in October in Dorchester3.3
3.6 inches monthly rainfall in November in Dorchester3.6
3.9 inches monthly rainfall in December in Dorchester3.9

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Dorchester by month

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

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The climate guide for England (Dorchester) 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.

Dorchester weather in January

Expect daytime maximum temperatures of 45°F in Dorchester, England in January based on long-term weather averages. There are 2 hours of sunshine per day on average with 18 days with some rainfall and typically 3.7 inches of rainfall in the month.

  • 45°F maximum daytime temperature in January in Dorchester45
    45°F max day temperature
  • 2 hours of sunshine per day
  • 18 days with some rainfall in January in Dorchester18
    18 days with some rainfall
  • 36°F minimum night-time temperature in January in Dorchester36
    36°F min night temperature
  • 9 hours of daylight per day in January in Dorchester9
    9 hours of daylight per day
  • No heat & humidity in January in Dorchester0
    No heat & humidity
  • 3.7 inches monthly rainfall in January in Dorchester3.7
    3.7 inches of monthly rainfall
  • UV (maximum) index 1 (Low) in January in Dorchester1
    1 (Low) UV index

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Dorchester weather in February

Expect daytime maximum temperatures of 45°F in Dorchester, England 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 2.9 inches of rainfall in the month.

  • 45°F maximum daytime temperature in February in Dorchester45
    45°F max day temperature
  • 3 hours of sunshine per day
  • 14 days with some rainfall in February in Dorchester14
    14 days with some rainfall
  • 36°F minimum night-time temperature in February in Dorchester36
    36°F min night temperature
  • 10 hours of daylight per day in February in Dorchester10
    10 hours of daylight per day
  • No heat & humidity in February in Dorchester0
    No heat & humidity
  • 2.9 inches monthly rainfall in February in Dorchester2.9
    2.9 inches of monthly rainfall
  • UV (maximum) index 1 (Low) in February in Dorchester1
    1 (Low) UV index

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Dorchester weather in March

Expect daytime maximum temperatures of 48°F in Dorchester, England in March based on long-term weather averages. There are 4 hours of sunshine per day on average with 16 days with some rainfall and typically 3.0 inches of rainfall in the month.

  • 48°F maximum daytime temperature in March in Dorchester48
    48°F max day temperature
  • 4 hours of sunshine per day
  • 16 days with some rainfall in March in Dorchester16
    16 days with some rainfall
  • 37°F minimum night-time temperature in March in Dorchester37
    37°F min night temperature
  • 12 hours of daylight per day in March in Dorchester12
    12 hours of daylight per day
  • No heat & humidity in March in Dorchester0
    No heat & humidity
  • 3.0 inches monthly rainfall in March in Dorchester3.0
    3.0 inches of monthly rainfall
  • UV (maximum) index 3 (Moderate) in March in Dorchester3
    3 (Moderate) UV index

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Dorchester weather in April

Expect daytime maximum temperatures of 54°F in Dorchester, England in April based on long-term weather averages. There are 6 hours of sunshine per day on average with 13 days with some rainfall and typically 2.1 inches of rainfall in the month.

  • 54°F maximum daytime temperature in April in Dorchester54
    54°F max day temperature
  • 6 hours of sunshine per day
  • 13 days with some rainfall in April in Dorchester13
    13 days with some rainfall
  • 39°F minimum night-time temperature in April in Dorchester39
    39°F min night temperature
  • 14 hours of daylight per day in April in Dorchester14
    14 hours of daylight per day
  • No heat & humidity in April in Dorchester0
    No heat & humidity
  • 2.1 inches monthly rainfall in April in Dorchester2.1
    2.1 inches of monthly rainfall
  • UV (maximum) index 4 (Moderate) in April in Dorchester4
    4 (Moderate) UV index

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Dorchester weather in May

Expect daytime maximum temperatures of 59°F in Dorchester, England in May based on long-term weather averages. There are 7 hours of sunshine per day on average with 14 days with some rainfall and typically 2.4 inches of rainfall in the month.

  • 59°F maximum daytime temperature in May in Dorchester59
    59°F max day temperature
  • 7 hours of sunshine per day
  • 14 days with some rainfall in May in Dorchester14
    14 days with some rainfall
  • 45°F minimum night-time temperature in May in Dorchester45
    45°F min night temperature
  • 16 hours of daylight per day in May in Dorchester16
    16 hours of daylight per day
  • No heat & humidity in May in Dorchester0
    No heat & humidity
  • 2.4 inches monthly rainfall in May in Dorchester2.4
    2.4 inches of monthly rainfall
  • UV (maximum) index 6 (High) in May in Dorchester6
    6 (High) UV index

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Dorchester weather in June

Expect daytime maximum temperatures of 64°F in Dorchester, England in June based on long-term weather averages. There are 7 hours of sunshine per day on average with 12 days with some rainfall and typically 2.2 inches of rainfall in the month.

  • 64°F maximum daytime temperature in June in Dorchester64
    64°F max day temperature
  • 7 hours of sunshine per day
  • 12 days with some rainfall in June in Dorchester12
    12 days with some rainfall
  • 50°F minimum night-time temperature in June in Dorchester50
    50°F min night temperature
  • 16 hours of daylight per day in June in Dorchester16
    16 hours of daylight per day
  • No heat & humidity in June in Dorchester0
    No heat & humidity
  • 2.2 inches monthly rainfall in June in Dorchester2.2
    2.2 inches of monthly rainfall
  • UV (maximum) index 6 (High) in June in Dorchester6
    6 (High) UV index

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Dorchester weather in July

Expect daytime maximum temperatures of 68°F in Dorchester, England in July based on long-term weather averages. There are 7 hours of sunshine per day on average with 11 days with some rainfall and typically 2.1 inches of rainfall in the month.

  • 68°F maximum daytime temperature in July in Dorchester68
    68°F max day temperature
  • 7 hours of sunshine per day
  • 11 days with some rainfall in July in Dorchester11
    11 days with some rainfall
  • 54°F minimum night-time temperature in July in Dorchester54
    54°F min night temperature
  • 16 hours of daylight per day in July in Dorchester16
    16 hours of daylight per day
  • No heat & humidity in July in Dorchester0
    No heat & humidity
  • 2.1 inches monthly rainfall in July in Dorchester2.1
    2.1 inches of monthly rainfall
  • UV (maximum) index 6 (High) in July in Dorchester6
    6 (High) UV index

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Dorchester weather in August

Expect daytime maximum temperatures of 68°F in Dorchester, England in August based on long-term weather averages. There are 6 hours of sunshine per day on average with 12 days with some rainfall and typically 2.6 inches of rainfall in the month.

  • 68°F maximum daytime temperature in August in Dorchester68
    68°F max day temperature
  • 6 hours of sunshine per day
  • 12 days with some rainfall in August in Dorchester12
    12 days with some rainfall
  • 54°F minimum night-time temperature in August in Dorchester54
    54°F min night temperature
  • 14 hours of daylight per day in August in Dorchester14
    14 hours of daylight per day
  • No heat & humidity in August in Dorchester0
    No heat & humidity
  • 2.6 inches monthly rainfall in August in Dorchester2.6
    2.6 inches of monthly rainfall
  • UV (maximum) index 6 (High) in August in Dorchester6
    6 (High) UV index

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Dorchester weather in September

Expect daytime maximum temperatures of 64°F in Dorchester, England in September based on long-term weather averages. There are 5 hours of sunshine per day on average with 13 days with some rainfall and typically 2.9 inches of rainfall in the month.

  • 64°F maximum daytime temperature in September in Dorchester64
    64°F max day temperature
  • 5 hours of sunshine per day
  • 13 days with some rainfall in September in Dorchester13
    13 days with some rainfall
  • 50°F minimum night-time temperature in September in Dorchester50
    50°F min night temperature
  • 13 hours of daylight per day in September in Dorchester13
    13 hours of daylight per day
  • No heat & humidity in September in Dorchester0
    No heat & humidity
  • 2.9 inches monthly rainfall in September in Dorchester2.9
    2.9 inches of monthly rainfall
  • UV (maximum) index 4 (Moderate) in September in Dorchester4
    4 (Moderate) UV index

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Dorchester weather in October

Expect daytime maximum temperatures of 59°F in Dorchester, England in October based on long-term weather averages. There are 3 hours of sunshine per day on average with 16 days with some rainfall and typically 3.3 inches of rainfall in the month.

  • 59°F maximum daytime temperature in October in Dorchester59
    59°F max day temperature
  • 3 hours of sunshine per day
  • 16 days with some rainfall in October in Dorchester16
    16 days with some rainfall
  • 46°F minimum night-time temperature in October in Dorchester46
    46°F min night temperature
  • 11 hours of daylight per day in October in Dorchester11
    11 hours of daylight per day
  • No heat & humidity in October in Dorchester0
    No heat & humidity
  • 3.3 inches monthly rainfall in October in Dorchester3.3
    3.3 inches of monthly rainfall
  • UV (maximum) index 2 (Low) in October in Dorchester2
    2 (Low) UV index

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Dorchester weather in November

Expect daytime maximum temperatures of 50°F in Dorchester, England in November based on long-term weather averages. There are 3 hours of sunshine per day on average with 16 days with some rainfall and typically 3.6 inches of rainfall in the month.

  • 50°F maximum daytime temperature in November in Dorchester50
    50°F max day temperature
  • 3 hours of sunshine per day
  • 16 days with some rainfall in November in Dorchester16
    16 days with some rainfall
  • 39°F minimum night-time temperature in November in Dorchester39
    39°F min night temperature
  • 9 hours of daylight per day in November in Dorchester9
    9 hours of daylight per day
  • No heat & humidity in November in Dorchester0
    No heat & humidity
  • 3.6 inches monthly rainfall in November in Dorchester3.6
    3.6 inches of monthly rainfall
  • UV (maximum) index 1 (Low) in November in Dorchester1
    1 (Low) UV index

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Dorchester weather in December

Expect daytime maximum temperatures of 46°F in Dorchester, England 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 3.9 inches of rainfall in the month.

  • 46°F maximum daytime temperature in December in Dorchester46
    46°F max day temperature
  • 2 hours of sunshine per day
  • 18 days with some rainfall in December in Dorchester18
    18 days with some rainfall
  • 37°F minimum night-time temperature in December in Dorchester37
    37°F min night temperature
  • 8 hours of daylight per day in December in Dorchester8
    8 hours of daylight per day
  • No heat & humidity in December in Dorchester0
    No heat & humidity
  • 3.9 inches monthly rainfall in December in Dorchester3.9
    3.9 inches of monthly rainfall
  • UV (maximum) index 1 (Low) in December in Dorchester1
    1 (Low) UV index

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More about Dorchester

Dorchester by month

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

Recommended for England

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  • Check out latest offers on over 550 spas across the UK
  • A guaranteed experience to suit your budget & occasion
Show discount codeShow discount code ******SB8

Expires at 23:59 on Thursday 31st Dec 2026 · View all Spabreaks.com offers

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The climate guide for England (Dorchester) 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.

More about England

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