Block Island weather in March 2025
Expect 7°C daytime maximum temperatures in the shade with on average 8 hours of sunshine per day in Block Island in March. Check more long-term weather averages for Block Island in March before you book your next holiday to Rhode Island in 2025/2026.
- 77°C max day temperature
- 8 hours of sunshine per day
- 1111 days with some rainfall
- -1-1°C min night temperature
- 1212 hours of daylight per day
- 0No heat & humidity
- 113113 mm of monthly rainfall
- 44 (Moderate) UV index
- 44°C sea temperature
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