Average Monthly Sunshine hours in Seattle (WA)

This graph shows the average number of hours per month that Seattle receives direct sunlight. The numbers are calculated over a 30-year period to provide a reliable average.

• On average, July is the sunniest month with 312 hours of sunshine.
• December has on average the lowest amount of sunshine with 54 hours.
• On average, the total annual amount of sun is 2180 hours.

Forecast: is it sunny in Seattle (WA)?

Thu   Nov 21

9°C | 4°C

NE 11 km/h

2.2 mm

overcast and rain

hourly forecast

Fri   Nov 22

13°C | 7°C

S 22 km/h

16 mm

partly cloudy and rain

hourly forecast

Sat   Nov 23

9°C | 5°C

S 18 km/h

7.7 mm

broken clouds and rain

hourly forecast

5-Day Forecast 10-Day Forecast