Weather Forecast Accuracy Last Month (December)

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Weather Forecast Accuracy Last Year (2025)

Weather Changeability for McNary, Arizona

Average change in

Temperature

Average change in high temperature day-to-day

Last Month:

2.8°

Last Year:

3.7°

Average change in low temperature day-to-day

Last Month:

4.0°

Last Year:

5.2°

Average change in

Precipitation

Chance of dry day after a precip day

Last Month:

100%

Last Year:

73%

Chance of precip day after a dry day

Last Month:

12%

Last Year:

6%

ForecastAdvisor Fact

86.4% of Weatherbit's high temperature forecasts for McNary were within 3 degrees of actual temperatures last month.

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