World Resorts USA Block Island Weather

Summer weather in Block Island

Weather in Block Island in Summer

June July August
Average day temperature:
Average day temperature: 67.3°F 75.0°F 74.2°F
Average night temperature:
Average night temperature: 63.1°F 71.0°F 70.6°F
Sea water temperature:
Sea water temperature: 60.3°F 68.6°F 70.3°F
Number of sunny days:
Number of sunny days: 14 days 12 days 11 days
Day length:
Day length: 14.9 - 15.1 h. 14.4 - 15.1 h. 13.1 - 14.3 h.
Number of rainy days:
Number of rainy days: 2 days 2 days 3 days
Precipitation totals:
Precipitation totals: 1.0 in. 1.2 in. 1.2 in.

Day & Night air temperature, °F

Sea water temperature, °F

Precipitation total, in.

Sunny, partly cloudy and cloudy days
Wind speed, mph
Average sunny hours

Sunny hours are calculated based on the average daily number of hours while sunlight can reach the ground. It depends on day length and cloudiness during the day.

Best time for vacation in Block Island

Sunniest months:
November 15 days
September 14 days
June 14 days
Warmest months:
July 75.0 °F
August 74.2 °F
September 68.7 °F
Warmest sea temp:
August 70.3 °F
July 68.6 °F
September 68.4 °F
Coldest months:
February 37.8 °F
January 37.9 °F
March 42.8 °F
Rainiest months:
November 4 days
October 4 days
February 3 days
Windiest months:
December 14.9 mph
March 14.9 mph
January 14.7 mph

Block Island on a weather map

Block Island
+46°F
SE 32 mph
Feels like: +37°F
Precip.: 0%
Places in USA:
Name
°F
+43°F
+46°F
+75°F
+75°F
+66°F
+57°F
+68°F
+72°F
+43°F
+63°F
+54°F
+64°F
+61°F
+66°F
+39°F
24 Hours Forecast
Block Island
Local time: 21:12
November 24, sunday
0000
46°F
SE
27 mph
0300
50°F
E
30 mph
0600
48°F
SE
29 mph
0900
48°F
E
30 mph
1200
52°F
E
32 mph
1500
52°F
E
32 mph
1800
52°F
E
30 mph
2100
48°F
E
28 mph
Units of measurement: °C / °F