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Block Island weather in May 2025
Expect 18°C daytime maximum temperatures in the shade with on average 9 hours of sunshine per day in Block Island in May. Check more long-term weather averages for Block Island in May before you book your next holiday to Rhode Island in 2025/2026.
- 1818°C max day temperature
- 9 hours of sunshine per day
- 1111 days with some rainfall
- 99°C min night temperature
- 1515 hours of daylight per day
- 0No heat & humidity
- 9898 mm of monthly rainfall
- 77 (High) UV index
- 1010°C sea temperature
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Recommended for Rhode Island
The May weather guide for Rhode Island (Block Island) shows long term weather averages processed from data supplied by CRU (University of East Anglia), the Met Office & the Netherlands Meteorological Institute. Find out more about our data sources.
Metric (°C / mm) | Imperial (°F / inches)
More about the USA
How hot is it in Block Island in May?
Daytime temperatures usually reach 18°C in Block Island in May, falling to 9°C at night.
How sunny is it in Block Island in May?
There are normally 9 hours of bright sunshine each day in Block Island in May - that's 59% of daylight hours.
Is the sea cold around Block Island in May?
The average sea temperature around Block Island in May is 10°C.
Does it rain in Block Island in May?
There are usually 11 days with some rain in Block Island in May and the average monthly rainfall is 98mm.
Block Island May sunrise & sunset times
Browse the sunrise and sunset times for Block Island in May 2025. Select a month to view Block Island sunrise and sunset times for the next 12 months.
JanFebMarAprMayJunJulAugSepOctNovDec
Date | Sunrise times | Sunset times |
---|---|---|
Thursday, 1st May 2025 | 04:44 | 18:44 |
Friday, 16th May 2025 | 04:27 | 18:59 |
Saturday, 31st May 2025 | 04:16 | 19:12 |
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