Weather in Seattle in May
In an average May, Seattle sees a daily high around 65°F and a low around 49°F, based on 1980–2026 of local climate records.
| Average high | 65°F |
|---|---|
| Typical high range | 57°F to 75°F |
| Average low | 49°F |
| Typical low range | 43°F to 54°F |
| Average daily precipitation | 0.10 in |
May records
The most extreme May on record for each metric, across 1980–2026. For rainfall, the wettest and driest are by total May accumulation.
High
Highest
86°F
1983-05-28
Lowest
48°F
2010-05-05
Low
Highest
62°F
1986-05-26
Lowest
36°F
2002-05-07
Feels-like
Highest
95°F
1983-05-28
Lowest
31°F
1999-05-07
Humidity
Highest
15.2 g/m³
1986-05-26
Lowest
5.3 g/m³
2012-05-10
Wind
Highest
19 mph
2010-05-03
Lowest
3 mph
2001-05-18
Gust
Highest
46 mph
2021-05-27
Lowest
9 mph
2020-05-24
Precip
Wettest
6.99 in
1984
Driest
0.88 in
2023
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