Weather Forecast Accuracy Last Month (December)

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Weather Forecast Accuracy Last Year (2025)

Weather Changeability for Bellingham, Washington

Average change in

Temperature

Average change in high temperature day-to-day

Last Month:

3.4°

Last Year:

3.8°

Average change in low temperature day-to-day

Last Month:

3.1°

Last Year:

4.6°

Average change in

Precipitation

Chance of dry day after a precip day

Last Month:

13%

Last Year:

37%

Chance of precip day after a dry day

Last Month:

43%

Last Year:

21%

ForecastAdvisor Fact

It rained or snowed 78% of the time in Bellingham last year when Wetter.com's text forecasts called for precipitation, and 25% of the time when they did not.

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