Please click on any column to get detailed information about Seattle weather in that particular month. You will get daily weather information for that month for the last several years.
Day & Night air temperature, °F
The warmest month in Seattle is august. The average daily temp is 77.1°F. The average nightly temp is 61.2°F.
Precipitation total, in.
Number of rainy days
This chart shows averages for the last three years. It shows medium and heavy rains only, it doesn't show light rains.
Wind speed, mph
Sunny, partly cloudy and cloudy days
Average sunny hours
Sunny hours are calculated based on the average daily number of hours while sunlight can reach the ground. It depends on day length and cloudiness during the day.
* Charts above show average data for the last 3 years.
Best time for vacation in Seattle
Seattle on a weather map
Places in USA:
Name
°F
24 Hours Forecast
Seattle
Local time: 20:12
December 04, thursday
2100
45°F
N
3 mph
3 mph
December 05, friday
0000
45°F
NW
2 mph
2 mph
0300
46°F
N
2 mph
2 mph
0600
46°F
NW
3 mph
3 mph
0900
48°F
N
6 mph
6 mph
1200
52°F
N
12 mph
12 mph
1500
52°F
NE
12 mph
12 mph
1800
50°F
NE
14 mph
14 mph
