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Seattle — weather December
Air temperature
2022
2021
2020
2019
2018
2017
2016
2015
2014
2013
2012
The maximum daily temperature 14.7°C — 8 December 2015.
The maximum night temperature 13°C — 1 December 2021. The minimum daily temperature -6°C — 22 December 2022. The minimum night temperature -9.5°C — 22 December 2022. Sunny, cloudy and gloomy days
Precipitation, mm
Maximum precipitation 78.4 mm — January. Minimum precipitation 9.6 mm — August.
Wind speed, km / h
Maximum wind speed 10.1 km / h — March. Minimum wind speed 7.9 km / h — August.
Number of hours of sunshine
The maximum number of hours of sunshine per day 10.8 h. — July. The minimum number of hours of sunshine per day 2.9 h. — December.
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