Boston in august: average Weather, Temperature and Climate
Weather in Boston in august 2025
The weather in Boston in the month of august comes from statistical datas on the last years. You can view the weather statistics for the whole month, but also by using the tabs for the beginning, the middle and the end of the month.
Average weather throughout august
good weather UV index: 7
Weather at 6am
70°F
Clear/Sunny
51% of time
25%
11%
8%
Weather at 12pm
83°F
Clear/Sunny
42% of time
32%
11%
10%
Weather at 6pm
74°F
Clear/Sunny
49% of time
28%
9%
7%
Weather at 3am
68°F
40%
23%
18%
13%
Evolution of daily average temperature and precipitation in Boston in august
These charts show the evolution of average minimum/maximum temperatures as well as average daily precipitation volume in Boston in august.
The climate of Boston in august is good
In august in Boston, the climate is quite dry (with 3.9in of rainfall over 5 days). The weather is better from the previous month since in july it receives an average of 4.7in of rainfall over 7 days.
The climate nice here august. Temperatures are up to 85°F. The minimum is 70°F. Thus, the mean temperature average on this month of august in Boston is 77°F. These temperatures are far removed from those records observed in Boston in august with a maximum record of 101°F in 2018 and a minimum record of 59°F in 2013. You You can hope to have about 12 days with temperatures over 86°F, or 39 of the month.
Day length in Boston in august is 13:53. The sun rises at 04:52 and sunset is at 18:45.
With a good weather, august is a good time to go in this locality in United States.
Seasonal average climate and temperature of Boston in august
Check below seasonal norms These statistics are compiled from the weather statements of the past years of the month of august.
| August | |||||
| Outside temperature | |||||
| Average temperature | 77°F | ||||
| Highest temperature | 85°F | ||||
| Lowest temperature | 70°F | ||||
| Highest record temperature | 101°F (2018) | ||||
| Lowest record temperature | 59°F (2013) | ||||
| Number of days at +86°F | 12 day(s) (39%) | ||||
| Number of days at +65°F | 31 day(s) (100%) | ||||
| Sea temperature | |||||
| Average sea temperature | 69°F | ||||
| Lowest sea temperature | 66°F | ||||
| Highest sea temperature | 71°F | ||||
| Wind | |||||
| Wind speed | 14km/h | ||||
| Wind temperature | 70°F | ||||
| Precipitation (rainfall) | |||||
| Rainfall | 3.9in | ||||
| Number of days with rainfall | 5 day(s) (17%) | ||||
| Record daily rainfall | 2.6in (2014) | ||||
| Other climate data | |||||
| Humidity | 80% | ||||
| Visibility | 9.04km | ||||
| Cloud cover | 32% | ||||
| UV index | 7 | ||||
| Daily sunshine hours | 14 | ||||
| Sunrise and sunset | |||||
| Time of sunrise | 04:52 | ||||
| Time of sunset | 18:45 | ||||
| Length of day | 13:53 | ||||
| Our opinion about the weather in august | |||||
| Our opinion at whereandwhen.net | good | ||||
How was the weather last august?
Here is the day by day recorded weather in Boston in august 2024:
72°F to 94°F
74°F to 90°F
72°F to 88°F
72°F to 83°F
68°F to 90°F
68°F to 72°F
61°F to 70°F
58°F to 74°F
65°F to 76°F
74°F to 85°F
63°F to 83°F
63°F to 77°F
59°F to 81°F
63°F to 81°F
63°F to 79°F
63°F to 83°F
67°F to 85°F
67°F to 81°F
65°F to 76°F
61°F to 67°F
54°F to 68°F
52°F to 70°F
58°F to 81°F
63°F to 83°F
63°F to 83°F
63°F to 83°F
61°F to 83°F
67°F to 85°F
59°F to 70°F
54°F to 72°F
59°F to 79°F
Map: other cities in the United States (USA) in august
Cities near Boston:
| Massachusetts in august | good weather |
| Hampton Beach in august | good weather |
| Provincetown in august | good weather |
| Rhode Island in august | good weather |
| Cape Cod National Seashore in august | good weather |
| Old Orchard Beach in august | perfect weather |
| Nantucket Island (Massachusetts) in august | good weather |
| Connecticut in august | good weather |
| Albany in august | good weather |
| Vermont in august | good weather |
| Brooklyn in august | good weather |
| New York City in august | good weather |
Click over cities on the map for information about the weather in august.
Boston
perfect weather
good
tolerable
bad
very bad
Weather data for Boston in august:
Weather data for Boston for august are derived from an average of the weather forecast since 2009 in Boston. There is a margin of error and these forecasts are to be considered as general information only. The weather in Boston can vary slightly from year to year, but this data should limit surprises. So you can pack your bags or check for the best time in year to go to Boston.