World Resorts USA Groton Weather

Groton weather in February

Weather in Groton: February

Average day temperature: 37.4°F
Average night temperature: 29.5°F
Sea water temperature: 39.3°F
Number of sunny days: 10 days
Day length: 10.1 - 11.2 hours
Number of rainy days: 2 days
Precipitation totals: 0.9 in.

Air temperature in February, °F

Show year:
2026
2025
2024

The highest day temperature during February of 2026 was 44°F. At the same time the lowest night temperature was 3°F. Daily and nightly averages during February were 33.8°F and 22.1°F.

Sea water temperature in Groton in February, °F

Show year:
2026
2025
2024

The average sea water temperature in February of 2026 was 34.8°F. The highest and lowest sea temperatures during the month were 36.0°F and 34.0°F.

Sunny, partly cloudy and cloudy days

Number of sunny, partly cloudy and cloudy days in February is almost equal.

Precipitation total in February, in.

Precipitation total value in Groton in February is 0.9 in. Other months of the year show relatively similar values.

Wind speed in February, mph

The average wind speed value in February is 9.7 mph It makes February one of the most windy months of the year.

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: 5.8.

Best time for vacation in Groton

Sunniest months:
November 17 days
October 14 days
December 13 days
Warmest months:
July 79.9 °F
August 78.2 °F
June 73.5 °F
Warmest sea temp:
August 70.6 °F
July 69.1 °F
September 68.8 °F
Coldest months:
January 36.1 °F
February 37.4 °F
December 40.9 °F
Rainiest months:
November 3 days
July 3 days
December 3 days
Windiest months:
January 10.4 mph
December 10.2 mph
March 10.0 mph

Groton on a weather map

Groton
+34°F
N 9 mph
Feels like: +28°F
Precip.: 0%
Places in USA:
Name
°F
+45°F
+75°F
+75°F
+99°F
+93°F
+66°F
+72°F
+72°F
+37°F
+70°F
+86°F
+72°F
+66°F
+75°F
+39°F
24 Hours Forecast
Groton
Local time: 19:03
March 18, wednesday
2100
32°F
N
6 mph
March 19, thursday
0000
30°F
N
6 mph
0300
28°F
NW
5 mph
0600
30°F
NW
4 mph
0900
34°F
NW
7 mph
1200
36°F
N
9 mph
1500
39°F
N
9 mph
1800
37°F
N
8 mph
Units of measurement: °C / °F