Coolidge Corner Weather & Climate: Best Time to Visit
Average temperatures, rainfall, sunshine and the best time to visit Coolidge Corner.
Climate overview of Coolidge Corner
Temperatures in Coolidge Corner, United States of America, vary greatly throughout the year. July is the hottest month at 29°C (84°F), while February is the coldest at 3°C (37°F).
Rain/snowfall is high, totalling around 1245 mm (49 in) per year. December is the wettest month and September the driest. The sunniest month is May, with 10.0 hours of sunshine per day on average.
Coolidge Corner Weather by Month
Pick a month to see the average temperature, rainfall and sunshine in Coolidge Corner — and find the best time to visit.
Monthly Temperature in Coolidge Corner
The climate in Coolidge Corner is known for significant temperature differences throughout the year, making the weather dynamic. Average maximum daytime temperatures range from a comfortable 29°C (84°F) in July, the warmest time of the year, to a chilly 3°C (37°F) during cooler months like February.
At night, you can expect temperatures ranging from 18°C (64°F) in July to around -7°C (19°F) during February.
Check out our detailed temperature page for more information.
Temperature ranges by month
Rainfall in Coolidge Corner
Coolidge Corner has a notably wet climate with abundant precipitation, recording 1245 mm (49 in) of rain/snowfall per year. While snow/rainfall varies throughout the year, each season offers its own charm. December brings wetter days averaging 134 mm (5.3 in) of precipitation, spread over 12 snowy/rainy days.
In contrast, the driest month September experiences a drier climate, with about 80 mm (3.1 in) of rainfall spread across 9 rainy days. For more details, please visit our Coolidge Corner Precipitation page.
The mean monthly precipitation over the year, including rain, hail, and snow
The average number of days each month with precipitation
Sunshine Hours in Coolidge Corner
Seasonal changes in sunshine hours are quite dramatic in Coolidge Corner. While May receives considerable daily sunshine with up to 10.0 hours, December marks the darkest time of the year, where sunshine is scarce with only 4.7 hours of sunlight per day.
Visit our detailed sunshine hours page for more information.
Monthly hours of sunshine
Daily hours of sunshine
Daily percentage of sunshine
Water Temperature in Coolidge Corner
The mean water temperature over the year ranges from 4°C (39°F) in February to 20°C (68°F) in August.
Water temperature over the year
Humidity in Coolidge Corner by Month
The relative humidity is high throughout the year in Coolidge Corner.
The city experiences its highest humidity in August, reaching 72%. In February, the humidity drops to its lowest level at 62%. What does this mean? Read our detailed page on humidity levels for further details.
Relative humidity over the year
Wind Speed in Coolidge Corner
The average wind speed over the year ranges from 5 m/s (10 knots) to 7 m/s (14 knots). It is lower in June, July, August and September and higher in January, February, March and December. What does this mean?
The mean monthly wind speed over the year (meters per second)
Best Time to Visit Coolidge Corner
Frequently asked questions about the climate in Coolidge Corner
What is the best time to visit Coolidge Corner?
May, July, August and September typically offer the most optimal weather in Coolidge Corner. In contrast, January, February, March and December tend to have less optimal conditions.
What temperatures can I expect in Coolidge Corner?
Daytime highs range from 3°C (37°F) in February to 29°C (84°F) in July. Nighttime lows range from -7°C (19°F) to 18°C (64°F). Temperatures vary considerably through the year.
How much rain does Coolidge Corner get?
Annual rainfall is around 1245 mm (49 in). December is the wettest month with 134 mm (5.3 in), while September is the driest with 80 mm (3.1 in). In the coldest months, precipitation may fall as snow/rain.
How sunny is Coolidge Corner?
Coolidge Corner receives around 2,665 hours of sunshine per year. May is the sunniest month with 301 hours, while December is the cloudiest with just 141 hours. Overall, Coolidge Corner enjoys abundant sunshine.
Coolidge Corner 3-Day Forecast
Coolidge Corner 3-Day Forecast
Coolidge Corner on the map
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