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 101°F on 2021-06-28; its coldest fell to 6°F on 1985-11-23.
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 | 61°F2005-01-19
22°F2024-01-13
|
54°F1984-01-04
14°F2024-01-13
|
| February | 66°F1986-02-28
20°F1989-02-03
|
53°F1986-02-25
8°F1989-02-03
|
| March | 75°F2004-03-29
32°F1989-03-02
|
54°F2026-03-20
17°F1989-03-03
|
| April | 84°F2016-04-19
44°F2008-04-20
|
58°F1992-04-27
33°F2008-04-01
|
| May | 86°F1983-05-28
48°F2010-05-05
|
62°F1986-05-26
36°F2002-05-07
|
| June | 101°F2021-06-28
54°F2008-06-06
|
70°F2021-06-27
41°F1999-06-02
|
| July | 98°F2009-07-30
60°F2000-07-03
|
69°F2009-07-29
48°F2002-07-05
|
| August | 96°F1990-08-12
61°F1995-08-07
|
69°F1992-08-13
45°F1980-08-29
|
| September | 91°F1988-09-02
54°F2007-09-30
|
64°F2017-09-08
38°F1983-09-29
|
| October | 84°F1987-10-02
43°F1984-10-31
|
63°F2003-10-17
29°F1984-10-31
|
| November | 66°F2016-11-08
25°F1985-11-23
|
57°F2018-11-02
6°F1985-11-23
|
| December | 61°F1980-12-27
21°F1990-12-21
|
56°F1980-12-26
6°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) | 66°F1986-02-28
20°F1989-02-03
|
56°F1980-12-26
6°F1990-12-21
|
| Spring (Mar–May) | 86°F1983-05-28
32°F1989-03-02
|
62°F1986-05-26
17°F1989-03-03
|
| Summer (Jun–Aug) | 101°F2021-06-28
54°F2008-06-06
|
70°F2021-06-27
41°F1999-06-02
|
| Autumn (Sep–Nov) | 91°F1988-09-02
25°F1985-11-23
|
64°F2017-09-08
6°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.