Boston Weather in May
20.7°C high · 8.7°C low · 86 mm rain · 8.5h sun
Yes — May is one of the best months to visit Boston, with mild weather and 8.5h of daily sunshine.
May at a glance
| Metric | Value |
|---|---|
| Average high | 20.7°C |
| Average low | 8.7°C |
| Rainfall | 86 mm |
| Sunshine | 8.5 hours/day |
| Daylight | 14.4 hours |
What to pack in May
Pack a jacket and layers for Boston in May.
Boston weather by month
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Frequently asked questions
What is the weather in Boston in May?
Highs of 20.7°C and lows of 8.7°C, with about 86 mm of rain and 8.5 hours of sunshine per day.
Is May a good time to visit Boston?
Yes — May is one of the best months to visit Boston, with mild weather and 8.5h of daily sunshine.
What to do in Boston · Best time to visit Boston
Climate data: Open-Meteo Historical (ERA5), 1991–2020. CC BY 4.0.