Weather Forecast Accuracy Last Month (December)

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Weather Forecast Accuracy Last Year (2025)

Weather Changeability for Cumming, Iowa

Average change in

Temperature

Average change in high temperature day-to-day

Last Month:

8.5°

Last Year:

6.4°

Average change in low temperature day-to-day

Last Month:

13.1°

Last Year:

7.6°

Average change in

Precipitation

Chance of dry day after a precip day

Last Month:

88%

Last Year:

60%

Chance of precip day after a dry day

Last Month:

32%

Last Year:

23%

ForecastAdvisor Fact

51.1% of Weatherbit's low temperature forecasts for Cumming were within 3 degrees of actual temperatures last month.

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