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Hourly Forecast
Daylight Hours
05:48
Sunrise
21:15
Sunset
Daily Forecast
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Resources
UV Index
Humidity
Frequently asked questions about weather in Groton
How warm does it get in Groton?
The warmest month in Groton is July, with average high temperatures of 30°C. The average temperature during this period is around 23°C.
How cold does it get in Groton?
The coldest month in Groton is January, with average low temperatures of -14°C. The average temperature during this period is around -10°C.
What is the wettest time of year in Groton?
The wettest month in Groton is August, with an average of 106mm of precipitation.
What is the driest time of year in Groton?
The driest month in Groton is January, with an average of 18mm of precipitation.
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