Boston in may: average Weather, Temperature and Climate
Weather in Boston in may 2025
The weather in Boston in may comes from statistical datas on the past years. You can view the weather statistics the entire month, but also by clicking on the tabs for the beginning, the middle and the end of the month.
Average weather throughout may
good weather
Weather at 6am
58°F
Clear/Sunny
37% of time
22%
16%
16%
Weather at 12pm
68°F
Clear/Sunny
36% of time
24%
20%
15%
Weather at 6pm
59°F
Clear/Sunny
35% of time
25%
20%
10%
Weather at 3am
54°F
30%
21%
16%
15%
Evolution of daily average temperature and precipitation in Boston in may
These charts show the evolution of average minimum/maximum temperatures as well as average daily precipitation volume in Boston in may.
The climate of Boston in may is good
In may in Boston, the climate is rather dry (with 4.3in of precipitation over 6 days). The weather is better from the previous month since in april it receives an average of 5.6in of precipitation over 7 days.
The climate quite comfortable in this city this month. Temperatures are up to 68°F. The seasonal minimum is 58°F. Thus, the mean temperature average in may in Boston is 63°F. These temperatures are far removed from those records observed in Boston in may with a maximum record of 94°F in 2013 and a minimum record of 38°F in 2020. You can plan to have about 19 days with temperatures over 65°F, or 61% of time.
On this month of may, day length in Boston is generally 14:37. The sun rises at 04:22 and sunset is at 18:59.
With good weather conditions, may is a good month to go there in United States.
Seasonal average climate and temperature of Boston in may
Check below seasonal norms These datas are set from the weather statements of the last years of may.
| May | |||||
| Outside temperature | |||||
| Average temperature | 63°F | ||||
| Highest temperature | 68°F | ||||
| Lowest temperature | 58°F | ||||
| Highest record temperature | 94°F (2013) | ||||
| Lowest record temperature | 38°F (2020) | ||||
| Number of days at +86°F | 1 day(s) (3%) | ||||
| Number of days at +65°F | 19 day(s) (61%) | ||||
| Number of days at -32°F | 0 day(s) (0%) | ||||
| Sea temperature | |||||
| Average sea temperature | 50°F | ||||
| Lowest sea temperature | 45°F | ||||
| Highest sea temperature | 55°F | ||||
| Wind | |||||
| Wind speed | 17km/h | ||||
| Wind temperature | 56°F | ||||
| Precipitation (rainfall) | |||||
| Rainfall | 4.3in | ||||
| Number of days with rainfall | 6 day(s) (21%) | ||||
| Record daily rainfall | 2.1in (2017) | ||||
| Snowfall | 0cm | ||||
| Other climate data | |||||
| Humidity | 78% | ||||
| Visibility | 8.79km | ||||
| Cloud cover | 46% | ||||
| UV index | 5 | ||||
| Daily sunshine hours | 13 | ||||
| Sunrise and sunset | |||||
| Time of sunrise | 04:22 | ||||
| Time of sunset | 18:59 | ||||
| Length of day | 14:37 | ||||
| Our opinion about the weather in may | |||||
| Our opinion at whereandwhen.net | good | ||||
How was the weather last may?
Here is the day by day recorded weather in Boston in may 2024:
45°F to 54°F
49°F to 68°F
49°F to 58°F
47°F to 58°F
47°F to 54°F
52°F to 68°F
54°F to 70°F
52°F to 56°F
52°F to 63°F
47°F to 56°F
45°F to 52°F
43°F to 52°F
47°F to 63°F
54°F to 76°F
61°F to 68°F
56°F to 61°F
54°F to 67°F
52°F to 63°F
54°F to 59°F
52°F to 68°F
56°F to 83°F
61°F to 88°F
63°F to 85°F
61°F to 81°F
56°F to 72°F
61°F to 74°F
58°F to 65°F
63°F to 81°F
59°F to 72°F
58°F to 65°F
52°F to 68°F
Map: other cities in the United States (USA) in may
Cities near Boston:
| Massachusetts in may | good weather |
| Hampton Beach in may | good weather |
| Provincetown in may | tolerable weather |
| Rhode Island in may | good weather |
| Cape Cod National Seashore in may | tolerable weather |
| Old Orchard Beach in may | tolerable weather |
| Nantucket Island (Massachusetts) in may | tolerable weather |
| Connecticut in may | good weather |
| Albany in may | good weather |
| Vermont in may | good weather |
| Brooklyn in may | good weather |
| New York City in may | good weather |
Click over cities on the map for information about the weather in may.
Boston
perfect weather
good
tolerable
bad
very bad
Weather data for Boston in may:
Weather data for Boston for may 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.