Weather Forecast Accuracy Last Month (December)

Weather Forecast Accuracy Last Year (2022)

Weather Changeability for Des Moines, Iowa

Average change in

Temperature

Average change in high temperature day-to-day

Last Month:

9.5°

Last Year:

8.7°

Average change in low temperature day-to-day

Last Month:

9.5°

Last Year:

8.3°

Average change in

Precipitation

Chance of dry day after a precip day

Last Month:

45%

Last Year:

52%

Chance of precip day after a dry day

Last Month:

27%

Last Year:

20%

ForecastAdvisor Fact

20.9% of OpenWeather's low temperature forecasts for Des Moines were off by more than 10 degrees last year.

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