World Resorts USA Boston

Boston Monthly Weather Averages

Please click on any column to get detailed information about Boston weather in that particular month. You will get daily weather information for that month for the last several years.

Day & Night air temperature, °F

The warmest month in Boston is july. The average daily temp is 81.7°F. The average nightly temp is 68.6°F.

Sea water temperature, °F

The warmest sea temperature usually observed in August. Average daily sea water temperature during this month is 67.6°F.

Precipitation total, in.

August is the month with least precipitations during the year. The average precipitation totals for this month is 1.6 in. The month with most precipitation total is April.

Number of rainy days

This chart shows averages for the last three years. It shows medium and heavy rains only, it doesn't show light rains.

Wind speed, mph
Sunny, partly cloudy and cloudy days
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.

* Charts above show average data for the last 3 years.

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
+46°F
W 11 mph
Feels like: +39°F
Precip.: 0%
Places in USA:
Name
°F
+46°F
+43°F
+73°F
+73°F
+41°F
+55°F
+73°F
+66°F
+48°F
+50°F
+55°F
+64°F
+61°F
+54°F
+32°F
24 Hours Forecast
Boston
Local time: 10:24
November 21, thursday
1200
46°F
W
14 mph
1500
48°F
SW
14 mph
1800
48°F
W
16 mph
2100
48°F
W
14 mph
November 22, friday
0000
50°F
W
16 mph
0300
46°F
N
9 mph
0600
45°F
NE
7 mph
0900
46°F
N
4 mph
Units of measurement: °C / °F