Weather Forecast Accuracy Last Month (December)

Weather Forecast Accuracy Last Year (2021)

Weather Changeability for Groton, Connecticut

Average change in

Temperature

Average change in high temperature day-to-day

Last Month:

6.2°

Last Year:

5.3°

Average change in low temperature day-to-day

Last Month:

7.6°

Last Year:

6.5°

Average change in

Precipitation

Chance of dry day after a precip day

Last Month:

56%

Last Year:

59%

Chance of precip day after a dry day

Last Month:

83%

Last Year:

27%

ForecastAdvisor Fact

0.7% of Weather Underground's high temperature forecasts for Groton were off by more than 10 degrees last year.

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