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.

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

Best Time to Visit Bangor

Bangor's weather is most enjoyable during May, June, July, August and September, with comfortable temperatures from 19°C (66°F) to 27°C (80°F). The moderate conditions ensure pleasant weather for exploring the area. Expect varied weather during this period with rainfall between 86 mm (3.4 in) and 122 mm (4.8 in), providing a good balance of sunny and rainy days.

Need help choosing your next travel destination? We offer a specialized tool that matches you with locations based on your weather preferences. Explore destinations that suit your climate preferences.

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.

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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