Measurements:
°C
°F
Block Island
62°F
NE 14 mph
Feels like: 62°F
Precip: 0%
World Resorts USA Block Island Weather May Weather in Block Island

Block Island Weather: May

Average Day Temperature: 58.6°F
Average Night Temperature: 53.3°F
Sea Water Temperature: 51.3°F
Number of Sunny Days: 11 days
Sunshine Hours: 14.0 - 14.9 hours
Number of Rainy Days: 3 days
Precipitation Totals: 1.3 in

Air Temperature in May, °F

Select Year: 2024 2023 2022

The highest day temperature in May 2024 was 65°F. The lowest night temperature was 46°F. The average values for day and night temperatures during May were 55.7°F и 54.2°F respectivly.

Block Island Water Sea Temperature in May, °F

Select Year: 2024 2023 2022

The average sea surface temperature in May 2024 for Block Island was 51.6°F. The maximum and minimum values were 47.0°F and 58.2°F respectively.

Sunny, Cloudy and Gloomy days

You can expect various weather conditions during May. Be ready for sunny, cloudy or even gloomy days.

Precipitation Totals in May, in

Precipitation total in May for Block Island is 1.3 in.

Wind Speed in May, mph

The average wind speed in May is 12.3 mph. It makes May one of the most windless months of the year for Block Island.

Average Sunny Hours Per Day

We are using day length and cloud cover information for each day of the month to calculate averages for this chart. Average sunny hours for Block Island in May is 8.0 hours.

Best Time to Visit Block Island
The most sunny months:
November 15 days
September 14 days
June 14 days
The most warm months:
July 77.7 °F
August 76.8 °F
September 70.8 °F
Warmest sea temperature:
August 72.5 °F
July 70.7 °F
September 70.4 °F
The most cold months:
February 36.5 °F
January 36.6 °F
March 42.0 °F
The most rainy months:
November 4 days
October 4 days
February 3 days
The most windy months:
December 15 mph
March 14 mph
January 14 mph

Block Island on the Weather Map

USA Resorts:
NAME
Boston +56
Chicago +64
Hawaii +80
Honolulu +80
Houston +74
Las Vegas +44
Los Angeles +62
Maui +74
Miami +84
New York +62
San Diego +52
San Francisco +56
Sarasota +76
Tampa +78
Washington +62
24 Hours Weather Forecast
Block Island
Local time: 09:37
05 nov, tuesday
1200 62°F
NE
14 mph
1500 62°F
NE
18 mph
1800 60°F
NE
19 mph
2100 60°F
NE
21 mph
06 nov, wednesday
0000 62°F
NE
25 mph
0300 62°F
NE
27 mph
0600 62°F
NE
25 mph
0900 62°F
NE
25 mph