ClimateForecastAprilMay >>

Average monthly snow and rainfall in SeaTac (WA)

The mean monthly precipitation over the year in SeaTac (Washington State), including rain, snow, hail.

  • A lot of rain (rainy season) falls in the months: January, March, November and December.
  • SeaTac has dry periods in July and August.
  • On average, November is the wettest month with 165 mm of precipitation.
  • On average, July is the driest month with 14 mm of precipitation.
  • The average amount of annual precipitation is 1006 mm.

Weather Forecasts for SeaTac (WA)

Sun   Apr 28
12°C | 6°C
SW 22 km/h
2.2 mm
broken clouds and rain

broken clouds and rain

Mon   Apr 29
11°C | 5°C
SW 14 km/h
4.3 mm
broken clouds and rain

broken clouds and rain

Tue   Apr 30
12°C | 4°C
NW 11 km/h
5.8 mm
broken clouds and rain

broken clouds and rain

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