Historical Weather in Seattle, WA
See 55+ years of weather history for any date in Seattle going back to 1970.
Part of Washington weather history
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Today in Seattle Weather HistorySee records, averages, and 55+ years of data for today's date
→Monthly Climate Averages
Historical temperature and precipitation averages for Seattle, WA, based on 55+ years of weather data.
Warmest MonthAugustAvg High: 76°F / Low: 58°F
Coldest MonthDecemberAvg High: 47°F / Low: 37°F
Jan
47°/ 36°
💧 7.1"
❄️ 1.8"
Feb
50°/ 37°
💧 6.2"
❄️ 1.9"
Mar
54°/ 40°
💧 5.7"
❄️ 1.9"
Apr
59°/ 43°
💧 4.8"
❄️ 1.0"
May
66°/ 49°
💧 4.1"
Jun
71°/ 53°
💧 3.9"
Jul
76°/ 57°
💧 3.7"
Aug
76°/ 58°
💧 5.0"
Sep
71°/ 53°
💧 5.2"
Oct
61°/ 47°
💧 6.4"
Nov
52°/ 40°
💧 7.6"
❄️ 1.4"
Dec
47°/ 37°
💧 8.0"
❄️ 2.2"
Temperatures in Fahrenheit. Precipitation and snowfall in inches.
Seattle Temperature Records
- Record High: The hottest temperature ever recorded in Seattle, WA is 109°F, set on June 28, 2021.
- Record Low: The coldest temperature ever recorded in Seattle, WA is -1°F, set on November 23, 1985.
- Data Coverage: Based on 29 years of data from NOAA weather station: SEATTLE BOEING FLD.
All-Time Record High
109°F
June 28, 2021
All-Time Record Low
-1°F
November 23, 1985
Monthly Temperature Records in Seattle
| Month | Record High | Record Low |
|---|---|---|
| January | 67°F(2015) | 4°F(1973) |
| February | 72°F(2015) | 4°F(1989) |
| March | 81°F(2004) | 13°F(1989) |
| April | 89°F(2016) | 25°F(1985) |
| May | 92°F(1983) | 27°F(1982) |
| June | 109°F(2021) | 34°F(1976) |
| July | 105°F(2009) | 40°F(1973) |
| August | 99°F(1981) | 34°F(1980) |
| September | 98°F(1988) | 28°F(1972) |
| October | 89°F(1987) | 24°F(1971) |
| November | 78°F(2010) | -1°F(1985) |
| December | 69°F(1980) | 3°F(1983) |
Seattle Snow RecordsSee the top 10 snowiest days ever recorded
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