World Resorts USA Block Island Weather

Block Island weather in February

Weather in Block Island: February

Average day temperature: 37.4°F
Average night temperature: 34.5°F
Sea water temperature: 41.3°F
Number of sunny days: 8 days
Day length: 10.1 - 11.3 hours
Number of rainy days: 3 days
Precipitation totals: 1.1 in.

Air temperature in February, °F

Show year:
2025
2024
2023

The highest day temperature during February of 2025 was 43°F. At the same time the lowest night temperature was 21°F. Daily and nightly averages during February were 35.6°F and 32.5°F.

Sea water temperature in Block Island in February, °F

Show year:
2025
2024
2023

The average sea water temperature in February of 2025 was 39.4°F. The highest and lowest sea temperatures during the month were 41.2°F and 37.8°F.

Sunny, partly cloudy and cloudy days

Mostly all days in February are cloudy but sunny and partly cloudy days are also possible.

Precipitation total in February, in.

Precipitation total value in Block Island in February is 1.1 in. Other months of the year show relatively similar values.

Wind speed in February, mph

The average wind speed value in February is 14.7 mph

Average sunny hours

This chart shows average number of hours during the day when sunlight can reach the ground. It depends on day length and cloudiness during the day. The average number of sunny hours in February is: 5.3.

Best time for vacation in Block Island

Sunniest months:
November 16 days
September 14 days
October 14 days
Warmest months:
July 74.4 °F
August 73.5 °F
September 68.8 °F
Warmest sea temp:
August 70.1 °F
July 68.6 °F
September 68.3 °F
Coldest months:
January 37.4 °F
February 37.4 °F
March 42.7 °F
Rainiest months:
October 4 days
January 3 days
March 3 days
Windiest months:
November 15.7 mph
January 15.6 mph
March 15.4 mph

Block Island on a weather map

Block Island
+19°F
S 15 mph
Feels like: +7°F
Precip.: 0%
Places in USA:
Name
°F
+30°F
+75°F
+75°F
+41°F
+52°F
+70°F
+77°F
+70°F
+21°F
+54°F
+46°F
+61°F
+61°F
+46°F
+5°F
24 Hours Forecast
Block Island
Local time: 01:52
December 05, friday
0300
19°F
S
15 mph
0600
19°F
S
11 mph
0900
23°F
S
5 mph
1200
28°F
N
4 mph
1500
30°F
NE
9 mph
1800
34°F
NE
6 mph
2100
36°F
NE
6 mph
December 06, saturday
0000
37°F
NE
5 mph
Units of measurement: °C / °F