Seattle weather records
Record high and low temperatures for Seattle, by month, by season, and all-time, with the dates they occurred, across 1980–2026 of daily climate history. Its hottest day on record reached 108°F on 2021-06-28; its coldest fell to -2°F on 1990-12-21.
Records by month
The warmest (▲) and coldest (▼) both the daytime high and the overnight low have ever been in each calendar month, so each column shows its record high and its record low. Tap a month for its full averages and typical range.
| Month | Daytime high | Overnight low |
|---|---|---|
| January | 62°F2005-01-19
19°F2024-01-13
|
53°F1984-01-04
2°F1982-01-06
|
| February | 70°F1986-02-27
17°F1989-02-03
|
52°F1986-02-25
2°F1989-02-04
|
| March | 76°F2019-03-20
32°F1989-03-02
|
53°F2026-03-20
12°F1989-03-03
|
| April | 89°F2016-04-18
43°F2008-04-19
|
57°F1992-04-27
26°F2021-04-11
|
| May | 95°F1983-05-28
46°F2010-05-05
|
62°F1986-05-26
31°F1999-05-10
|
| June | 108°F2021-06-28
52°F2008-06-11
|
67°F2021-06-28
37°F1999-06-02
|
| July | 102°F2009-07-29
58°F2000-07-03
|
68°F2006-07-22
43°F1996-07-06
|
| August | 99°F1981-08-09
57°F1999-08-30
|
68°F2022-08-19
38°F1980-08-29
|
| September | 99°F1988-09-02
52°F2007-09-30
|
63°F2017-09-05
31°F1983-09-29
|
| October | 89°F1987-10-01
39°F1984-10-31
|
62°F2003-10-21
24°F1991-10-30
|
| November | 70°F2010-11-03
23°F1985-11-23
|
55°F2018-11-02
-1°F1985-11-23
|
| December | 62°F1980-12-27
18°F1990-12-29
|
55°F1980-12-26
-2°F1990-12-21
|
Records by season
The warmest (▲) and coldest (▼) both the daytime high and the overnight low have reached in each meteorological season (Northern Hemisphere, each a three-month span).
| Season | Daytime high | Overnight low |
|---|---|---|
| Winter (Dec–Feb) | 70°F1986-02-27
17°F1989-02-03
|
55°F1980-12-26
-2°F1990-12-21
|
| Spring (Mar–May) | 95°F1983-05-28
32°F1989-03-02
|
62°F1986-05-26
12°F1989-03-03
|
| Summer (Jun–Aug) | 108°F2021-06-28
52°F2008-06-11
|
68°F2006-07-22
37°F1999-06-02
|
| Autumn (Sep–Nov) | 99°F1988-09-02
23°F1985-11-23
|
63°F2017-09-05
-1°F1985-11-23
|
All-time records
The most extreme value Seattle has recorded for each metric across its entire history.
High
Low
Feels-like
Humidity
Wind
Gust
Precip
For rainfall, the “driest” figure is the longest run of consecutive days without measurable rain, dated to when that dry spell began.