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Hourly Forecast
Daylight Hours
05:32
Sunrise
20:38
Sunset
Daily Forecast
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UV Index
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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 27°C. The average temperature during this period is around 22°C.
How cold does it get in Groton?
The coldest month in Groton is January, with average low temperatures of -7°C. The average temperature during this period is around -4°C.
What is the wettest time of year in Groton?
The wettest month in Groton is October, with an average of 148mm of precipitation.
What is the driest time of year in Groton?
The driest month in Groton is September, with an average of 88mm of precipitation.
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