Weather Forecast Accuracy Last Month (August)

Weather Forecast Accuracy Last Year (2021)

Weather Changeability for Des Moines, Iowa

Average change in

Temperature

Average change in high temperature day-to-day

Last Month:

4.5°

Last Year:

5.8°

Average change in low temperature day-to-day

Last Month:

4.4°

Last Year:

6.9°

Average change in

Precipitation

Chance of dry day after a precip day

Last Month:

50%

Last Year:

55%

Chance of precip day after a dry day

Last Month:

31%

Last Year:

20%

ForecastAdvisor Fact

On average, World Weather Online's low temperature forecasts for Des Moines were off by 3.25 degrees last month.

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