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Sumner
Average sun percentage
Climate ▸Forecast ▸December ▸January ▸
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Average percent of sunshine in Sumner (WA)

The mean percent of sunhours during the day in Sumner (Washington State), the United States of America.


  • The sun shines on average 66.0% in July making it the most sunny month.
  • On average, November has the lowest percentage of sunshine with 22.0%.

Forecast: is it sunny in Sumner (WA)?

Sat   Dec 28
12°C | 7°C
SW 7 m/s
9.2 mm
broken clouds and rain

broken clouds and rain

hourly forecast
Sun   Dec 29
8°C | 5°C
SW 4 m/s
5.3 mm
overcast and heavy rain

overcast and heavy rain

hourly forecast
Mon   Dec 30
9°C | 3°C
SW 4 m/s
6.9 mm
partly cloudy and rain

partly cloudy and rain

hourly forecast
5-Day Forecast 10-Day Forecast

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