Bangor (ME) Weather & Climate: Best Time to Visit
Average temperatures, rainfall, sunshine and the best time to visit Bangor.
Climate overview of Bangor
Temperatures in Bangor, Maine, United States of America, vary greatly throughout the year. July is the hottest month at 27°C (81°F), while January is the coldest at -2°C (28°F).
Rain/snowfall is high, totalling around 1148 mm (45 in) per year. October is the wettest month and January the driest. The city also experiences warm summers and very cold winters.
Bangor Weather by Month
Pick a month to see the average temperature, rainfall and sunshine in Bangor - and find the best time to visit.
Monthly Temperature in Bangor
The climate in Bangor is known for significant temperature differences throughout the year, making the weather dynamic. Average maximum daytime temperatures range from a comfortable 27°C (81°F) in July, the warmest time of the year, to a very cold -2°C (28°F) during cooler months like January.
At night, you can expect temperatures ranging from 15°C (59°F) in July to around -12°C (10°F) during January.
Check out our detailed temperature page for more information.
Temperature ranges by month
Rainfall in Bangor
Bangor has a notably wet climate with abundant precipitation, recording 1148 mm (45 in) of rain/snowfall per year. While rainfall varies throughout the year, each season offers its own charm. October brings wetter days averaging 144 mm (5.7 in) of precipitation, spread over 13 rainy days.
In contrast, the driest month January experiences a drier climate, with about 68 mm (2.7 in) of snowfall spread across 9 snowy days. For more details, please visit our Bangor Precipitation page.
The mean monthly precipitation over the year, including rain, hail, and snow
The average number of days each month with precipitation
Best Time to Visit Bangor
Monthly ratings reflect general weather comfort, based on daytime temperature and rainfall. Swimming and winter conditions are highlighted separately where relevant.
- Best overall: July, August and September
- Warmest weather: July and August
- Seasonal pattern: Warm summers and very cold winters
- Coldest conditions: January, with freezing nights around -12°C (10°F).
Frequently asked questions about the climate in Bangor
What is the best time to visit Bangor?
July, August and September typically offer the most optimal weather in Bangor. In contrast, January, February, March, November and December tend to have less optimal conditions. Bangor has warm summers and very cold winters.
What temperatures can I expect in Bangor?
Daytime highs range from -2°C (28°F) in January to 27°C (81°F) in July. Nighttime lows range from -12°C (10°F) to 15°C (59°F). Temperatures vary considerably through the year.
How much rain does Bangor get?
Annual rainfall is around 1148 mm (45 in). October is the wettest month with 144 mm (5.7 in), while January is the driest with 68 mm (2.7 in).
Bangor 3-Day Forecast
Bangor (ME) 3-Day Forecast
Bangor on the map
Bangor is highlighted - select any city to see its climate.
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