Weather Forecast Accuracy Last Month (December)

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Weather Forecast Accuracy Last Year (2025)

Weather Changeability for Delaware, Iowa

Average change in

Temperature

Average change in high temperature day-to-day

Last Month:

9.0°

Last Year:

6.2°

Average change in low temperature day-to-day

Last Month:

12.3°

Last Year:

7.5°

Average change in

Precipitation

Chance of dry day after a precip day

Last Month:

67%

Last Year:

61%

Chance of precip day after a dry day

Last Month:

33%

Last Year:

22%

ForecastAdvisor Fact

On average, Weatherbit's low temperature forecasts for Delaware were off by 3.11 degrees last month.

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