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Boston, USA Weather Averages

July is the hottest month in Boston with an average temperature of 24°C (74°F) and the coldest is January at -1°C (29°F) with the most daily sunshine hours at 10 in July. The wettest month is April with an average of 100mm of rain. The best month to swim in the sea is in August when the average sea temperature is 20°C (68°F).

Average Temperature Boston

What is Average Temperature?
The average high temperature and the average low temperature for that month, on a daily basis, divided by 2 equals the average temperature for that month
What is Average Temperature?
The average high temperature and the average low temperature for that month, on a daily basis, divided by 2 equals the average temperature for that month

Average High Low Temperature Boston

What is Average High Low Temperature?
The sum of high temperatures/low temperatures divided by the number of days in that month, recorded daily
What is Average High Low Temperature?
The sum of high temperatures/low temperatures divided by the number of days in that month, recorded daily

Average Day Temperature Boston

What is Average Day Temperature?
The average temperature recorded between sunrise and sunset
What is Average Day Temperature?
The average temperature recorded between sunrise and sunset

Average Night Temperature Boston

What is Average Night Temperature?
The average temperature recorded between sunset and sunrise
What is Average Night Temperature?
The average temperature recorded between sunset and sunrise

Average Rainfall Boston

What is Average Rainfall?
The amount of mm in rain for that month divided by the number of days, and the number of days that it rains during that month on average, over a given period of years
What is Average Rainfall?
The amount of mm in rain for that month divided by the number of days, and the number of days that it rains during that month on average, over a given period of years

Average Daily Sunshine Hours Boston

What are Average Daily Sunshine Hours?
Total sunshine hours for the month, divided by the number of days in the month. Sunshine hours are taken with a sunshine recorder, either a Campbell-Stokes recorder or an Eppley Pyreheliometer
What are Average Daily Sunshine Hours?
Total sunshine hours for the month, divided by the number of days in the month. Sunshine hours are taken with a sunshine recorder, either a Campbell-Stokes recorder or an Eppley Pyreheliometer

Average Sea Temperature Boston

What is Average Sea Temperature?
Average daily sea temperatures and divided by the number of days in the month. Sea Temperatures are taken from buoys, ships and even satellites can calculate sea temperature based on energy that is radiated from the sea's surface
What is Average Sea Temperature?
Average daily sea temperatures and divided by the number of days in the month. Sea Temperatures are taken from buoys, ships and even satellites can calculate sea temperature based on energy that is radiated from the sea's surface

Boston : Next 24-Hour Weather

Today - 11th July 2025

Sunrise 05:18

Sunrise

Sunset 20:21

Sunset
2:00
Mist
19°C (65°F)
3:00
Mist
19°C (65°F)
4:00
Fog
19°C (65°F)
5:00
Fog
19°C (65°F)
6:00
Fog
19°C (65°F)
7:00
Mist
19°C (65°F)
8:00
Mist
19°C (65°F)
9:00
Overcast
19°C (66°F)
10:00
Overcast
20°C (67°F)
11:00
Overcast
21°C (69°F)
12:00
Overcast
22°C (71°F)
13:00
Overcast
23°C (73°F)
14:00
Cloudy
24°C (75°F)
15:00
Partly cloudy
25°C (76°F)
16:00
Clear
25°C (77°F)
17:00
Clear
25°C (76°F)
18:00
Cloudy
24°C (75°F)
19:00
Partly cloudy
23°C (73°F)
20:00
Partly cloudy
23°C (73°F)
21:00
Cloudy
23°C (73°F)
22:00
Partly cloudy
23°C (72°F)
23:00
Mist
22°C (71°F)

Tomorrow - 12th July 2025

Sunrise 05:18

Sunrise

Sunset 20:21

Sunset
0:00
Mist
21°C (70°F)
1:00
Fog
21°C (69°F)
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