Bangor, ME weather and climate in 2025
Day
27 °C
Night
15 °C
Sea
13 °C
Precipitation
88 mm
in month
Rainy days
12 days
in month
Daylight
15 hours
average
Sunshine
8 hours
average
Humidity
77 %
Day
27 °C
Night
15 °C
Sea
13 °C
Precipitation
88 mm
in month
Rainy days
12 days
in month
Daylight
15 hours
average
Sunshine
8 hours
average
Humidity
77 %
Overview: Bangor, ME
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Weather overview for Bangor, ME
Weather overview
Bangor, situated at the confluence of the Penobscot and Kenduskeag rivers in Maine, exhibits a varied climate with warm summers and cold, snowy winters. Daytime temperatures can soar to a comfortable 27 °C (80 °F) in July, while dipping to a frigid -2 °C (28 °F) in January. The wettest month tends to be November, with an average precipitation of 114 mm (4.48 in), whereas August is comparatively drier with 88 mm (3.47 in). Throughout the year, Bangor experiences a consistent breeze, with wind speeds averaging 4. The city's humidity levels are generally manageable, hovering around 74 %, but can peak at 79 % during September. As the months progress, daylight hours steadily increase, with peak sunlight in July offering 8 hours of glorious sunshine.
January weather
January in Bangor greets residents with the coldest temperatures of the year, with daytime highs barely creeping above freezing at -2 °C (28 °F). The night air is even more biting, as the mercury plummets to an average of -13 °C (8 °F).
February weather
Bangor's February is still ensconced in winter chill, with average high temperatures nudging slightly upwards to 0 °C (32 °F) during the day. Wind speeds also pick up a bit, averaging around 4.
March weather
As March ushers in spring, Bangor sees a modest rise in temperatures. Daytime highs average around 5 °C (41 °F), and the snow begins to melt, increasing the number of wet days to an average of 11 days.
April weather
April sees a significant jump in daytime temperatures, now reaching an average high of 12 °C (53 °F). However, the number of wet days remains above 10, making the weather unpredictable.
May weather
May delivers a welcome warmth, with the temperature reaching an average high of 19 °C (66 °F). As the last of the snow fades, the landscape turns lush, aided by an average of 92 mm (3.62 in) of rainfall.
June weather
June marks the beginning of summer with the highest average daytime temperatures recorded at 24 °C (75 °F), complemented by long sunny days boasting around 7 hours of sunshine.
July weather
Bangor basks in its warmest month of the year, July, with daytime highs soaring to an average of 27 °C (80 °F). The city also enjoys the most sunshine with 8 hours brightening each day.
August weather
August continues the warm trend, with the mercury hitting an average high of 26 °C (79 °F) during the day and marginally less rainy days, meaning more consistent dry weather.
September weather
September in Bangor signals the beginning of autumn, though temperatures remain relatively warm with an average daily high of 21 °C (70 °F). However, humidity peaks at 79 %, adding a hint of mugginess to the air.
October weather
October's chill returns as Bangor prepares for winter. Daytime highs drop to a cooler 14 °C (58 °F), and the leaves turn vibrant colors amid the breeding ground for the brisk fall breeze.
November weather
November ushers in the wettest month for Bangor, with an average precipitation of 114 mm (4.48 in). Daytime temperatures continue to decline, settling around an average of 7 °C (45 °F).
December weather
December's festive atmosphere in Bangor is matched by the onset of winter's cold, as the average daytime temperature hovers around a chilly 1 °C (33 °F), with average lows dipping below freezing.
FAQs
How should I dress for January weather in Bangor?
Layering is essential in January in Bangor, with a heavy winter coat, thermal underclothes, and accessories like gloves and a warm hat to protect against the biting cold.
What's the average low temperature in Bangor during February?
Nighttimes in February remain frigid in Bangor, with an average low of -11 °C (11 °F) indicating many nights well below the freezing point.
Does the weather warm up much in Bangor by March?
March signals the gradual warming trend in Bangor, but with average highs of only 5 °C (41 °F), it still feels quite chilly, especially in the shade.
What temperatures can I expect during the day in Bangor in April?
April in Bangor can be quite pleasant with an average daytime high of 12 °C (53 °F), signaling the heart of spring and the start of lighter jacket weather.
How much warmer does it get in Bangor by May?
May offers a significant warm-up in Bangor, with comfortable daytime temperatures averaging 19 °C (66 °F), perfect for enjoying outdoor activities.
Is June a good month to enjoy outdoor activities in Bangor?
June's warm weather, featuring an average high of 24 °C (75 °F), and extended daylight make it an excellent time for outdoor adventures in Bangor.
What is a typical July day like in Bangor?
July days in Bangor are typically warm and vibrant with an average high of 27 °C (80 °F), encouraging all manner of summer activities.
Are the temperatures in Bangor still high in August?
August remains quite warm in Bangor with an average daytime temperature of 26 °C (79 °F), still perfect for various summertime activities.
Does Bangor experience high humidity in September?
September can be notably humid in Bangor, peaking at 79 %, which might make the warm temperatures feel even warmer.
Do temperatures drop significantly in Bangor during October?
October sees a noticeable drop in temperatures, with daytime highs averaging 14 °C (58 °F), signaling the onset of cooler fall weather.
How cold and wet is November in Bangor?
November can be quite chilly in Bangor, with the average daytime temperature around 7 °C (45 °F), and a considerable increase in wet days signaling the transition into the colder season.
How does December weather affect holiday activities in Bangor?
December's cold weather, averaging 1 °C (33 °F) by day, sets the tone for cozy indoor celebrations and traditional outdoor winter activities, provided you're bundled up sufficiently.
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