Bar Harbor weather by month

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

Temperature in Bar Harbor (°C)

  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Max temperature (daytime)
-2°C maximum daytime temperature in January in Bar Harbor-2
-1°C maximum daytime temperature in February in Bar Harbor-1
5°C maximum daytime temperature in March in Bar Harbor5
11°C maximum daytime temperature in April in Bar Harbor11
18°C maximum daytime temperature in May in Bar Harbor18
23°C maximum daytime temperature in June in Bar Harbor23
26°C maximum daytime temperature in July in Bar Harbor26
25°C maximum daytime temperature in August in Bar Harbor25
20°C maximum daytime temperature in September in Bar Harbor20
15°C maximum daytime temperature in October in Bar Harbor15
8°C maximum daytime temperature in November in Bar Harbor8
1°C maximum daytime temperature in December in Bar Harbor1
Min temperature (night-time)
-13°C minimum night-time temperature in January in Bar Harbor-13
-12°C minimum night-time temperature in February in Bar Harbor-12
-5°C minimum night-time temperature in March in Bar Harbor-5
1°C minimum night-time temperature in April in Bar Harbor1
6°C minimum night-time temperature in May in Bar Harbor6
11°C minimum night-time temperature in June in Bar Harbor11
14°C minimum night-time temperature in July in Bar Harbor14
14°C minimum night-time temperature in August in Bar Harbor14
9°C minimum night-time temperature in September in Bar Harbor9
4°C minimum night-time temperature in October in Bar Harbor4
-1°C minimum night-time temperature in November in Bar Harbor-1
-9°C minimum night-time temperature in December in Bar Harbor-9
Heat & Humidity
No heat & humidity in January in Bar Harbor0
No heat & humidity in February in Bar Harbor0
No heat & humidity in March in Bar Harbor0
No heat & humidity in April in Bar Harbor0
No heat & humidity in May in Bar Harbor0
No heat & humidity in June in Bar Harbor0
Low heat & humidity in July in Bar HarborL
Low heat & humidity in August in Bar HarborL
No heat & humidity in September in Bar Harbor0
No heat & humidity in October in Bar Harbor0
No heat & humidity in November in Bar Harbor0
No heat & humidity in December in Bar Harbor0
Sea temperature
5°C sea temperature in January in Bar Harbor5
3°C sea temperature in February in Bar Harbor3
3°C sea temperature in March in Bar Harbor3
4°C sea temperature in April in Bar Harbor4
6°C sea temperature in May in Bar Harbor6
9°C sea temperature in June in Bar Harbor9
12°C sea temperature in July in Bar Harbor12
13°C sea temperature in August in Bar Harbor13
12°C sea temperature in September in Bar Harbor12
11°C sea temperature in October in Bar Harbor11
9°C sea temperature in November in Bar Harbor9
7°C sea temperature in December in Bar Harbor7

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

Sunshine & Daylight in Bar Harbor

  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 Bar Harbor9
10 hours of daylight per day in February in Bar Harbor10
12 hours of daylight per day in March in Bar Harbor12
14 hours of daylight per day in April in Bar Harbor14
15 hours of daylight per day in May in Bar Harbor15
15 hours of daylight per day in June in Bar Harbor15
15 hours of daylight per day in July in Bar Harbor15
14 hours of daylight per day in August in Bar Harbor14
12 hours of daylight per day in September in Bar Harbor12
11 hours of daylight per day in October in Bar Harbor11
10 hours of daylight per day in November in Bar Harbor10
9 hours of daylight per day in December in Bar Harbor9
UV Index (Maximum)
UV (maximum) index 1 (Low) in January in Bar Harbor1
UV (maximum) index 2 (Low) in February in Bar Harbor2
UV (maximum) index 3 (Moderate) in March in Bar Harbor3
UV (maximum) index 5 (Moderate) in April in Bar Harbor5
UV (maximum) index 6 (High) in May in Bar Harbor6
UV (maximum) index 8 (Very High) in June in Bar Harbor8
UV (maximum) index 8 (Very High) in July in Bar Harbor8
UV (maximum) index 7 (High) in August in Bar Harbor7
UV (maximum) index 5 (Moderate) in September in Bar Harbor5
UV (maximum) index 3 (Moderate) in October in Bar Harbor3
UV (maximum) index 2 (Low) in November in Bar Harbor2
UV (maximum) index 1 (Low) in December in Bar Harbor1

Rainfall in Bar Harbor

  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 Bar Harbor12
10 days with some rainfall in February in Bar Harbor10
12 days with some rainfall in March in Bar Harbor12
12 days with some rainfall in April in Bar Harbor12
12 days with some rainfall in May in Bar Harbor12
12 days with some rainfall in June in Bar Harbor12
11 days with some rainfall in July in Bar Harbor11
11 days with some rainfall in August in Bar Harbor11
10 days with some rainfall in September in Bar Harbor10
11 days with some rainfall in October in Bar Harbor11
13 days with some rainfall in November in Bar Harbor13
14 days with some rainfall in December in Bar Harbor14
Average monthly rainfall (mm)
117 mm monthly rainfall in January in Bar Harbor117
100 mm monthly rainfall in February in Bar Harbor100
106 mm monthly rainfall in March in Bar Harbor106
108 mm monthly rainfall in April in Bar Harbor108
106 mm monthly rainfall in May in Bar Harbor106
89 mm monthly rainfall in June in Bar Harbor89
85 mm monthly rainfall in July in Bar Harbor85
74 mm monthly rainfall in August in Bar Harbor74
112 mm monthly rainfall in September in Bar Harbor112
115 mm monthly rainfall in October in Bar Harbor115
153 mm monthly rainfall in November in Bar Harbor153
141 mm monthly rainfall in December in Bar Harbor141

More about Bar Harbor

Bar Harbor by month

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

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The climate guide for Maine (Bar Harbor) 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 Bar Harbor?

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

Metric (°C / mm)  |  Imperial (°F / inches)

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More about the USA

Compare Bar Harbor with the UK

Below the Bar Harbor chart shows average maximum daytime temperature for Bar Harbor, Maine, USA and the UK (London).

Maximum daytime temperature (°C)

Bar Harbor, Maine, USA
UK (London)
7
7
5
10
11
13
18
17
23
20
26
22
25
22
20
19
15
15
8
10
1
8
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
-2
-1

Metric (°C / mm)  |  Imperial (°F / inches)

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