World Resorts USA Boston Weather

Summer weather in Boston

Weather in Boston in Summer

June July August
Average day temperature:
Average day temperature: 74.2°F 81.9°F 80.5°F
Average night temperature:
Average night temperature: 61.5°F 68.3°F 67.1°F
Sea water temperature:
Sea water temperature: 60.2°F 66.7°F 67.6°F
Number of sunny days:
Number of sunny days: 13 days 15 days 16 days
Day length:
Day length: 15.1 - 15.3 h. 14.5 - 15.2 h. 13.2 - 14.4 h.
Number of rainy days:
Number of rainy days: 5 days 4 days 3 days
Precipitation totals:
Precipitation totals: 2.6 in. 2.7 in. 1.9 in.

Day & Night air temperature, °F

Sea water temperature, °F

Precipitation total, in.

Sunny, partly cloudy and cloudy days
Wind speed, mph
Average sunny hours

Sunny hours are calculated based on the average daily number of hours while sunlight can reach the ground. It depends on day length and cloudiness during the day.

Best time for vacation in Boston

Sunniest months:
August 16 days
July 15 days
September 13 days
Warmest months:
July 81.9 °F
August 80.5 °F
June 74.2 °F
Warmest sea temp:
August 67.6 °F
July 66.7 °F
September 64.3 °F
Coldest months:
January 33.4 °F
February 34.9 °F
December 39.5 °F
Rainiest months:
April 5 days
June 5 days
December 4 days
Windiest months:
January 10.9 mph
March 10.8 mph
February 10.6 mph

Boston on a weather map

Boston
+50°F
SE 4 mph
Feels like: +46°F
Precip.: 0%
Places in USA:
Name
°F
+50°F
+63°F
+79°F
+79°F
+70°F
+63°F
+81°F
+73°F
+57°F
+64°F
+55°F
+82°F
+86°F
+77°F
+57°F
24 Hours Forecast
Boston
Local time: 19:25
November 02, saturday
2100
46°F
S
6 mph
November 03, sunday
0000
43°F
SE
8 mph
0300
39°F
SE
7 mph
0600
37°F
SE
7 mph
0900
37°F
S
4 mph
1200
45°F
S
5 mph
1500
48°F
S
4 mph
1800
46°F
W
2 mph
Units of measurement: °C / °F