Weather in Seattle: January
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Average day temperature: | 44.6°F |
| Average night temperature: | 38.9°F | |
 |
Number of sunny days: | 7 days |
| Day length: | 8.5 - 9.5 hours | |
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Number of rainy days: | 6 days |
| Precipitation totals: | 2.7 in. | |
| more information | ||
14 days
forecast
forecast
| Seattle |
weather in
February
February
| Seattle |
Air temperature in January, °F
Show year:
2026
2025
2024
The highest day temperature during January of 2026 was 56°F. At the same time the lowest night temperature was 29°F. Daily and nightly averages during January were 47.6°F and 40.1°F.
Sunny, partly cloudy and cloudy days
Mostly all days in January are cloudy but sunny and partly cloudy days are also possible.
Precipitation total in January, in.
Precipitation total value in Seattle in January is 2.4 in. Other months of the year show relatively similar values.
Wind speed in January, mph
The average wind speed value in January is 4.8 mph
Average sunny hours
This chart shows average number of hours during the day when sunlight can reach the ground. It depends on day length and cloudiness during the day. The average number of sunny hours in January is: 3.2.
Best time for vacation in Seattle
Seattle on a weather map
Places in USA:
Name
°F
24 Hours Forecast
Seattle
Local time: 21:33
February 03, tuesday
0000
48°F
NW
2 mph
2 mph
0300
46°F
S
1 mph
1 mph
0600
46°F
S
3 mph
3 mph
0900
48°F
SW
2 mph
2 mph
1200
54°F
NW
2 mph
2 mph
1500
59°F
N
2 mph
2 mph
1800
59°F
N
2 mph
2 mph
2100
55°F
NW
3 mph
3 mph
