Bangor weather by month

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

Temperature in Bangor (°F)

  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Max temperature (daytime)
27°F maximum daytime temperature in January in Bangor27
30°F maximum daytime temperature in February in Bangor30
39°F maximum daytime temperature in March in Bangor39
52°F maximum daytime temperature in April in Bangor52
64°F maximum daytime temperature in May in Bangor64
73°F maximum daytime temperature in June in Bangor73
79°F maximum daytime temperature in July in Bangor79
77°F maximum daytime temperature in August in Bangor77
68°F maximum daytime temperature in September in Bangor68
55°F maximum daytime temperature in October in Bangor55
45°F maximum daytime temperature in November in Bangor45
32°F maximum daytime temperature in December in Bangor32
Min temperature (night-time)
9°F minimum night-time temperature in January in Bangor9
10°F minimum night-time temperature in February in Bangor10
21°F minimum night-time temperature in March in Bangor21
32°F minimum night-time temperature in April in Bangor32
43°F minimum night-time temperature in May in Bangor43
52°F minimum night-time temperature in June in Bangor52
57°F minimum night-time temperature in July in Bangor57
57°F minimum night-time temperature in August in Bangor57
48°F minimum night-time temperature in September in Bangor48
37°F minimum night-time temperature in October in Bangor37
28°F minimum night-time temperature in November in Bangor28
14°F minimum night-time temperature in December in Bangor14
Heat & Humidity
No heat & humidity in January in Bangor0
No heat & humidity in February in Bangor0
No heat & humidity in March in Bangor0
No heat & humidity in April in Bangor0
No heat & humidity in May in Bangor0
No heat & humidity in June in Bangor0
Low heat & humidity in July in BangorL
Low heat & humidity in August in BangorL
No heat & humidity in September in Bangor0
No heat & humidity in October in Bangor0
No heat & humidity in November in Bangor0
No heat & humidity in December in Bangor0

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

Sunshine & UV index in Bangor

  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 Bangor9
10 hours of daylight per day in February in Bangor10
12 hours of daylight per day in March in Bangor12
14 hours of daylight per day in April in Bangor14
15 hours of daylight per day in May in Bangor15
16 hours of daylight per day in June in Bangor16
15 hours of daylight per day in July in Bangor15
14 hours of daylight per day in August in Bangor14
12 hours of daylight per day in September in Bangor12
11 hours of daylight per day in October in Bangor11
10 hours of daylight per day in November in Bangor10
9 hours of daylight per day in December in Bangor9
UV Index (Maximum)
UV (maximum) index 1 (Low) in January in Bangor1
UV (maximum) index 2 (Low) in February in Bangor2
UV (maximum) index 3 (Moderate) in March in Bangor3
UV (maximum) index 5 (Moderate) in April in Bangor5
UV (maximum) index 6 (High) in May in Bangor6
UV (maximum) index 8 (Very High) in June in Bangor8
UV (maximum) index 7 (High) in July in Bangor7
UV (maximum) index 7 (High) in August in Bangor7
UV (maximum) index 5 (Moderate) in September in Bangor5
UV (maximum) index 3 (Moderate) in October in Bangor3
UV (maximum) index 2 (Low) in November in Bangor2
UV (maximum) index 1 (Low) in December in Bangor1

Rainfall in Bangor

  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Number of days with some rain
12 days with some rainfall in January in Bangor12
9 days with some rainfall in February in Bangor9
12 days with some rainfall in March in Bangor12
12 days with some rainfall in April in Bangor12
12 days with some rainfall in May in Bangor12
12 days with some rainfall in June in Bangor12
11 days with some rainfall in July in Bangor11
11 days with some rainfall in August in Bangor11
10 days with some rainfall in September in Bangor10
11 days with some rainfall in October in Bangor11
13 days with some rainfall in November in Bangor13
13 days with some rainfall in December in Bangor13
Average monthly rainfall (inches)
3.3 inches monthly rainfall in January in Bangor3.3
2.7 inches monthly rainfall in February in Bangor2.7
3.3 inches monthly rainfall in March in Bangor3.3
3.3 inches monthly rainfall in April in Bangor3.3
3.5 inches monthly rainfall in May in Bangor3.5
3.5 inches monthly rainfall in June in Bangor3.5
3.3 inches monthly rainfall in July in Bangor3.3
3.3 inches monthly rainfall in August in Bangor3.3
3.5 inches monthly rainfall in September in Bangor3.5
3.5 inches monthly rainfall in October in Bangor3.5
4.0 inches monthly rainfall in November in Bangor4.0
3.9 inches monthly rainfall in December in Bangor3.9

More about Bangor

Bangor by month

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

Recommended for Maine

  • Save on skiing holidays to the USA in winter 2025/2026
  • Book early with Crystal Ski for the best deals
  • Filter by promotional offers, duration, board basis & more

The climate guide for Maine (Bangor) 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 Bangor?

Bangor has a cold climate with warm summers and some rainfall in all months.

Bangor weather in January

Expect daytime maximum temperatures of 27°F in Bangor, Maine in January based on long-term weather averages. There are 4 hours of sunshine per day on average with 12 days with some rainfall and typically 3.3 inches of rainfall in the month, which might fall as snow.

  • 27°F maximum daytime temperature in January in Bangor27
    27°F max day temperature
  • 4 hours of sunshine per day
  • 12 days with some rainfall in January in Bangor12
    12 days with some rainfall
  • 9°F minimum night-time temperature in January in Bangor9
    9°F min night temperature
  • 9 hours of daylight per day in January in Bangor9
    9 hours of daylight per day
  • No heat & humidity in January in Bangor0
    No heat & humidity
  • 3.3 inches monthly rainfall in January in Bangor3.3
    3.3 inches of monthly rainfall
  • UV (maximum) index 1 (Low) in January in Bangor1
    1 (Low) UV index

Back to months

Bangor weather in February

Expect daytime maximum temperatures of 30°F in Bangor, Maine in February based on long-term weather averages. There are 5 hours of sunshine per day on average with typically 2.7 inches of rainfall in the month, which might fall as snow.

  • 30°F maximum daytime temperature in February in Bangor30
    30°F max day temperature
  • 5 hours of sunshine per day
  • 9 days with some rainfall in February in Bangor9
    9 days with some rainfall
  • 10°F minimum night-time temperature in February in Bangor10
    10°F min night temperature
  • 10 hours of daylight per day in February in Bangor10
    10 hours of daylight per day
  • No heat & humidity in February in Bangor0
    No heat & humidity
  • 2.7 inches monthly rainfall in February in Bangor2.7
    2.7 inches of monthly rainfall
  • UV (maximum) index 2 (Low) in February in Bangor2
    2 (Low) UV index

Back to months

Bangor weather in March

Expect daytime maximum temperatures of 39°F in Bangor, Maine in March based on long-term weather averages. There are 5 hours of sunshine per day on average with 12 days with some rainfall and typically 3.3 inches of rainfall in the month, which might fall as snow.

  • 39°F maximum daytime temperature in March in Bangor39
    39°F max day temperature
  • 5 hours of sunshine per day
  • 12 days with some rainfall in March in Bangor12
    12 days with some rainfall
  • 21°F minimum night-time temperature in March in Bangor21
    21°F min night temperature
  • 12 hours of daylight per day in March in Bangor12
    12 hours of daylight per day
  • No heat & humidity in March in Bangor0
    No heat & humidity
  • 3.3 inches monthly rainfall in March in Bangor3.3
    3.3 inches of monthly rainfall
  • UV (maximum) index 3 (Moderate) in March in Bangor3
    3 (Moderate) UV index

Back to months

Bangor weather in April

Expect daytime maximum temperatures of 52°F in Bangor, Maine 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 3.3 inches of rainfall in the month.

  • 52°F maximum daytime temperature in April in Bangor52
    52°F max day temperature
  • 6 hours of sunshine per day
  • 12 days with some rainfall in April in Bangor12
    12 days with some rainfall
  • 32°F minimum night-time temperature in April in Bangor32
    32°F min night temperature
  • 14 hours of daylight per day in April in Bangor14
    14 hours of daylight per day
  • No heat & humidity in April in Bangor0
    No heat & humidity
  • 3.3 inches monthly rainfall in April in Bangor3.3
    3.3 inches of monthly rainfall
  • UV (maximum) index 5 (Moderate) in April in Bangor5
    5 (Moderate) UV index

Back to months

Bangor weather in May

Expect daytime maximum temperatures of 64°F in Bangor, Maine 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 3.5 inches of rainfall in the month.

  • 64°F maximum daytime temperature in May in Bangor64
    64°F max day temperature
  • 7 hours of sunshine per day
  • 12 days with some rainfall in May in Bangor12
    12 days with some rainfall
  • 43°F minimum night-time temperature in May in Bangor43
    43°F min night temperature
  • 15 hours of daylight per day in May in Bangor15
    15 hours of daylight per day
  • No heat & humidity in May in Bangor0
    No heat & humidity
  • 3.5 inches monthly rainfall in May in Bangor3.5
    3.5 inches of monthly rainfall
  • UV (maximum) index 6 (High) in May in Bangor6
    6 (High) UV index

Back to months

Bangor weather in June

Expect daytime maximum temperatures of 73°F in Bangor, Maine in June based on long-term weather averages. There are 8 hours of sunshine per day on average with 12 days with some rainfall and typically 3.5 inches of rainfall in the month.

  • 73°F maximum daytime temperature in June in Bangor73
    73°F max day temperature
  • 8 hours of sunshine per day
  • 12 days with some rainfall in June in Bangor12
    12 days with some rainfall
  • 52°F minimum night-time temperature in June in Bangor52
    52°F min night temperature
  • 16 hours of daylight per day in June in Bangor16
    16 hours of daylight per day
  • No heat & humidity in June in Bangor0
    No heat & humidity
  • 3.5 inches monthly rainfall in June in Bangor3.5
    3.5 inches of monthly rainfall
  • UV (maximum) index 8 (Very High) in June in Bangor8
    8 (Very High) UV index

Back to months

Bangor weather in July

Expect daytime maximum temperatures of 79°F in Bangor, Maine in July based on long-term weather averages. There are 8 hours of sunshine per day on average with 11 days with some rainfall and typically 3.3 inches of rainfall in the month.

  • 79°F maximum daytime temperature in July in Bangor79
    79°F max day temperature
  • 8 hours of sunshine per day
  • 11 days with some rainfall in July in Bangor11
    11 days with some rainfall
  • 57°F minimum night-time temperature in July in Bangor57
    57°F min night temperature
  • 15 hours of daylight per day in July in Bangor15
    15 hours of daylight per day
  • Low heat & humidity in July in BangorL
    Low heat & humidity
  • 3.3 inches monthly rainfall in July in Bangor3.3
    3.3 inches of monthly rainfall
  • UV (maximum) index 7 (High) in July in Bangor7
    7 (High) UV index

Back to months

Bangor weather in August

Expect daytime maximum temperatures of 77°F in Bangor, Maine in August based on long-term weather averages. There are 7 hours of sunshine per day on average with 11 days with some rainfall and typically 3.3 inches of rainfall in the month.

  • 77°F maximum daytime temperature in August in Bangor77
    77°F max day temperature
  • 7 hours of sunshine per day
  • 11 days with some rainfall in August in Bangor11
    11 days with some rainfall
  • 57°F minimum night-time temperature in August in Bangor57
    57°F min night temperature
  • 14 hours of daylight per day in August in Bangor14
    14 hours of daylight per day
  • Low heat & humidity in August in BangorL
    Low heat & humidity
  • 3.3 inches monthly rainfall in August in Bangor3.3
    3.3 inches of monthly rainfall
  • UV (maximum) index 7 (High) in August in Bangor7
    7 (High) UV index

Back to months

Bangor weather in September

Expect daytime maximum temperatures of 68°F in Bangor, Maine in September based on long-term weather averages. There are 6 hours of sunshine per day on average with 10 days with some rainfall and typically 3.5 inches of rainfall in the month.

  • 68°F maximum daytime temperature in September in Bangor68
    68°F max day temperature
  • 6 hours of sunshine per day
  • 10 days with some rainfall in September in Bangor10
    10 days with some rainfall
  • 48°F minimum night-time temperature in September in Bangor48
    48°F min night temperature
  • 12 hours of daylight per day in September in Bangor12
    12 hours of daylight per day
  • No heat & humidity in September in Bangor0
    No heat & humidity
  • 3.5 inches monthly rainfall in September in Bangor3.5
    3.5 inches of monthly rainfall
  • UV (maximum) index 5 (Moderate) in September in Bangor5
    5 (Moderate) UV index

Back to months

Bangor weather in October

Expect daytime maximum temperatures of 55°F in Bangor, Maine in October based on long-term weather averages. There are 5 hours of sunshine per day on average with 11 days with some rainfall and typically 3.5 inches of rainfall in the month.

  • 55°F maximum daytime temperature in October in Bangor55
    55°F max day temperature
  • 5 hours of sunshine per day
  • 11 days with some rainfall in October in Bangor11
    11 days with some rainfall
  • 37°F minimum night-time temperature in October in Bangor37
    37°F min night temperature
  • 11 hours of daylight per day in October in Bangor11
    11 hours of daylight per day
  • No heat & humidity in October in Bangor0
    No heat & humidity
  • 3.5 inches monthly rainfall in October in Bangor3.5
    3.5 inches of monthly rainfall
  • UV (maximum) index 3 (Moderate) in October in Bangor3
    3 (Moderate) UV index

Back to months

Bangor weather in November

Expect daytime maximum temperatures of 45°F in Bangor, Maine in November based on long-term weather averages. There are 3 hours of sunshine per day on average with 13 days with some rainfall and typically 4.0 inches of rainfall in the month.

  • 45°F maximum daytime temperature in November in Bangor45
    45°F max day temperature
  • 3 hours of sunshine per day
  • 13 days with some rainfall in November in Bangor13
    13 days with some rainfall
  • 28°F minimum night-time temperature in November in Bangor28
    28°F min night temperature
  • 10 hours of daylight per day in November in Bangor10
    10 hours of daylight per day
  • No heat & humidity in November in Bangor0
    No heat & humidity
  • 4.0 inches monthly rainfall in November in Bangor4.0
    4.0 inches of monthly rainfall
  • UV (maximum) index 2 (Low) in November in Bangor2
    2 (Low) UV index

Back to months

Bangor weather in December

Expect daytime maximum temperatures of 32°F in Bangor, Maine in December based on long-term weather averages. There are 3 hours of sunshine per day on average with 13 days with some rainfall and typically 3.9 inches of rainfall in the month, which might fall as snow.

  • 32°F maximum daytime temperature in December in Bangor32
    32°F max day temperature
  • 3 hours of sunshine per day
  • 13 days with some rainfall in December in Bangor13
    13 days with some rainfall
  • 14°F minimum night-time temperature in December in Bangor14
    14°F min night temperature
  • 9 hours of daylight per day in December in Bangor9
    9 hours of daylight per day
  • No heat & humidity in December in Bangor0
    No heat & humidity
  • 3.9 inches monthly rainfall in December in Bangor3.9
    3.9 inches of monthly rainfall
  • UV (maximum) index 1 (Low) in December in Bangor1
    1 (Low) UV index

Back to months

More about Bangor

Bangor by month

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

Recommended for Maine

  • Save EXTRA 5% on airport transfers worldwide
  • Book private taxis & shuttle buses with discount code
  • Enter in coupon box on 'Reservations' page
Show discount codeShow discount code ******WEB

Expires at 23:59 on Thursday 31st Dec 2026

The climate guide for Maine (Bangor) 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.

Tropical storm risk: Bangor, Maine hurricane season

% of month affected by tropical storms
0
0
0
0
0
0
0
0
1.5%
0
0
0
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec

Compare Bangor weather with the UK

The weather chart below compares the average monthly maximum daytime temperature for Bangor, Maine, USA and the UK (London).

Maximum daytime temperature (°F)

Bangor, Maine, USA
UK (London)
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec

Metric (°C)  |  Imperial (°F)

Compare more weather >>

Back to top

More about the USA

Related posts

Popular travel offers

Explore holiday destinations

More holidays

Save with latest deals & discounts

More deals

Airport parking

More parking

Airport lounges

More lounges

Top ^