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> Usa > Boston, Massachusetts >May
Weather in May in Boston, Massachusetts
| < May > | ||
|---|---|---|
| Normal Max/ High Temperature | 19°C (67°F) | |
| Average Temperature | 15°C (58°F) | |
| Min/ Low Temperature | 10°C (50°F) | |
| Average Sea or Water Temp | 12°C(54°F) | |
| Normal Precipitation | 83mm (3.3in) | |
| Number of Wet Days (probability of rain on a day) | 12 (39%) | |
| Average Sunlight per day | 08h 48' | |
| Average Daylight per day | 14h 34' | |
| Sunny (Cloudy) Daylight Hours | 61% (39%) | |
| Sun altitude at solar noon on the 21st day. | 67.9° | |
- The average sea tempeature is 12 °C (53.6 °F).
- The average temperature in Boston, Massachusetts in May is mild at 14.6 °C (58.28 °F).
- Afternoons can be somewhat warm with average high temperatures reaching 19.2 °C (66.6 °F).
- Overnight temperatures are generally a little cool with an average low of 9.9 °C (49.8 °F).
- In May the range/ variation of daily mean temperatures is 9.3 °C (16.7 °F).
- Precipitation averages for May are high with 82.6mm (3.3 in) recorded across 12 days.
- The heavens above Boston, Massachusetts are quite sunny with an average of a sizable 8h 48' of radiant sunshine daily.
- The shortest day is 14h 01' long and the longest day is 15h 01' long with an average length of 14h 34'.
- There are approximately 5h 35' per day when the sun is occluded by cloud, haze, fog etc.
- It is sunny approximately 61.1% of daylight hours and cloudy 38.9% of daylight hours.
Weather Trend Graph for May in Boston, Massachusetts, Usa
