Weather in Boston in May
The weather in Boston in May is variable, when the days are comfortable with over 20 degrees, while it might get colder when night falls with less than 9 degrees on average. Also, there are around 16 days of rain, so it is advisable to take appropriate clothes.
Avg Temp
9° - 20°
Avg Rainy Days
16
Avg Dry Days
15
Avg Snow Days
0
Weather Facts - Boston in May
* The warmest temperature recorded in in May is 33°C
* The coldest temperature recorded in Boston in May is 3°C
* The average rainfall in Boston in May is 94 mm