Weather in Groton in Autumn
| September | October | November | ||||
| Average day temperature: | ||||||
| Average day temperature: | 71.8°F | 62.2°F | 51.4°F | |||
| Average night temperature: | ||||||
| Average night temperature: | 60.6°F | 51.9°F | 42.0°F | |||
| Sea water temperature: | ||||||
| Sea water temperature: | 68.8°F | 64.0°F | 56.8°F | |||
| Number of sunny days: | ||||||
| Number of sunny days: | 13 days | 14 days | 17 days | |||
| Day length: | ||||||
| Day length: | 11.8 - 13.1 h. | 10.4 - 11.7 h. | 9.4 - 10.4 h. | |||
| Number of rainy days: | ||||||
| Number of rainy days: | 2 days | 3 days | 3 days | |||
| Precipitation totals: | ||||||
| Precipitation totals: | 1.1 in. | 1.4 in. | 1.1 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 Groton
Groton on a weather map
Places in USA:
Name
°F
24 Hours Forecast
Groton
Local time: 17:52
December 30, tuesday
1800
28°F
E
25 mph
25 mph
2100
27°F
E
23 mph
23 mph
December 31, wednesday
0000
27°F
E
21 mph
21 mph
0300
27°F
E
21 mph
21 mph
0600
27°F
E
17 mph
17 mph
0900
28°F
E
17 mph
17 mph
1200
30°F
E
17 mph
17 mph
1500
34°F
E
17 mph
17 mph
