Climate Insights for Boston

The climate in Boston is hot. The average annual temperature is 27°C and approximately 1,359 mm of precipitation falls per year. Boston receives a notable amount of rainfall throughout the year, including during its driest month. Boston is in the Northern Hemisphere. Summer begins at the end of June and lasts through September. The summer months are: August, September, July. The coldest months are February, March, January, when temperatures can drop to 25°C.The climate in Boston is hot. The average annual temperature is 80°F and approximately 53.5 in of precipitation falls per year. Boston receives a notable amount of rainfall throughout the year, including during its driest month. Boston is in the Northern Hemisphere. Summer begins at the end of June and lasts through September. The summer months are: August, September, July. The coldest months are February, March, January, when temperatures can drop to 76°F.

Boston has relatively stable temperatures year-round, staying within a 4°C range. The warmest month is August, when average highs reach 29°C and the mean temperature sits around 28°C. February is the coolest month, with minimum temperatures around 25°C and an average of 25°C. Daily temperature variation is modest, with an average difference of 2°C between highs and lows.Boston has relatively stable temperatures year-round, staying within a 8°F range. The warmest month is August, when average highs reach 84°F and the mean temperature sits around 82°F. February is the coolest month, with minimum temperatures around 76°F and an average of 77°F. Daily temperature variation is modest, with an average difference of 3°F between highs and lows.

Boston is a fairly wet location, receiving approximately 1,359 mm of precipitation annually, which averages out to around 113 mm per month. The wettest month is October, averaging 265 mm of rainfall. November and May also tend to see above-average precipitation. The driest month is February, with just 64 mm. That's 200 mm less than October, the wettest month. Precipitation varies noticeably between seasons, with the second half (July to December) of the year generally seeing more rainfall.Boston is a fairly wet location, receiving approximately 53.5 in of precipitation annually, which averages out to around 4.4 in per month. The wettest month is October, averaging 10.4 in of rainfall. November and May also tend to see above-average precipitation. The driest month is February, with just 2.5 in. That's 7.9 in less than October, the wettest month. Precipitation varies noticeably between seasons, with the second half (July to December) of the year generally seeing more rainfall.

Boston is mildly breezy, with an average annual wind speed of 16km/h. For context, sustained winds below 12km/h are generally light, while anything above 25km/h is considered strong. The windiest month is June, averaging 19km/h, though still comfortable for most outdoor activities. The calmest conditions occur in September, with average winds dropping to 13km/h, making it an ideal period for wind-sensitive activities. There is moderate seasonal variation in wind speed, with a 6km/h gap between the calmest and windiest months.Boston is moderately windy, with an average annual wind speed of 10mph. For context, sustained winds below 7mph are generally light, while anything above 16mph is considered strong. The windiest month is June, averaging 12mph, noticeable enough to affect lighter outdoor activities. The calmest conditions occur in September, with average winds dropping to 8mph, making it an ideal period for wind-sensitive activities. There is moderate seasonal variation in wind speed, with a 4mph gap between the calmest and windiest months.

The table below shows monthly climate averages for Boston based on historical weather data. Min and max temperatures represent typical overnight lows and afternoon highs for each month, shown in degrees Celsius (°C). Precipitation is measured in millimetres (mm) and indicates the average total rainfall per month. Wind speed is the average sustained speed in kilometres per hour (km/h). All values are based on averages from over 10 years of historical weather data. The current month is highlighted for quick reference.The table below shows monthly climate averages for Boston based on historical weather data. Min and max temperatures represent typical overnight lows and afternoon highs for each month, shown in degrees Fahrenheit (°F). Precipitation is measured in millimetres (mm) and indicates the average total rainfall per month. Wind speed is the average sustained speed in miles per hour (mph). All values are based on averages from over 10 years of historical weather data. The current month is highlighted for quick reference.