Weather in Seattle in May
In an average May, Seattle sees a daily high around 65°F and a low around 46°F, based on 1980–2026 of local climate records.
| Average high | 65°F |
|---|---|
| Typical high range | 55°F to 77°F |
| Average low | 46°F |
| Typical low range | 39°F to 52°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
95°F
1983-05-28
Lowest
46°F
2010-05-05
Low
Highest
62°F
1986-05-26
Lowest
31°F
1999-05-10
Feels-like
Highest
118°F
1983-05-28
Lowest
25°F
1999-05-10
Humidity
Highest
15.1 g/m³
1986-05-26
Lowest
4.1 g/m³
2019-05-01
Wind
Highest
16 mph
1984-05-02
Lowest
3 mph
1991-05-20
Gust
Highest
46 mph
2021-05-27
Lowest
10 mph
2015-05-24
Precip
Wettest
8.34 in
1984
Driest
1.20 in
2023
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