World Resorts USA Block Island Weather

Winter weather in Block Island

Weather in Block Island in Winter

December January February
Average day temperature:
Average day temperature: 43.8°F 37.9°F 37.8°F
Average night temperature:
Average night temperature: 41.2°F 35.2°F 34.9°F
Sea water temperature:
Sea water temperature: 50.6°F 45.0°F 41.7°F
Number of sunny days:
Number of sunny days: 12 days 8 days 8 days
Day length:
Day length: 9.2 - 9.4 h. 9.3 - 10.1 h. 10.1 - 11.3 h.
Number of rainy days:
Number of rainy days: 3 days 3 days 3 days
Precipitation totals:
Precipitation totals: 1.8 in. 1.5 in. 1.3 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:
October 4 days
February 3 days
January 3 days
Windiest months:
November 15.0 mph
December 14.9 mph
March 14.9 mph

Block Island on a weather map

Block Island
+23°F
SE 20 mph
Feels like: +7°F
Precip.: 0%
Places in USA:
Name
°F
+14°F
+23°F
+75°F
+75°F
+50°F
+54°F
+61°F
+19°F
+50°F
+54°F
+54°F
+48°F
+46°F
+46°F
+23°F
24 Hours Forecast
Block Island
Local time: 04:36
December 22, sunday
0600
23°F
SE
20 mph
0900
21°F
SE
19 mph
1200
25°F
SE
17 mph
1500
28°F
SE
16 mph
1800
30°F
S
16 mph
2100
27°F
S
16 mph
December 23, monday
0000
25°F
S
11 mph
0300
23°F
S
9 mph
Units of measurement: °C / °F