Weather in Seattle, Washington, United States in May
In an average May, Seattle sees a daily high around 63°F and a low around 46°F, based on 1981–2026 of local climate records.
| Average high | 63°F |
|---|---|
| Typical high range | 55°F to 74°F |
| Average low | 46°F |
| Typical low range | 40°F to 52°F |
| Average daily precipitation | 0.10 in |
May records
The most extreme May on record for each metric, across 1981–2026. For rainfall, the wettest and driest are by total May accumulation.
High
Highest
90°F
2005-05-27
Lowest
45°F
2002-05-06
Low
Highest
60°F
2018-05-14
Lowest
31°F
2002-05-07
Feels-like
Highest
104°F
1983-05-28
Lowest
26°F
2002-05-07
Humidity
Highest
15.7 g/m³
1983-05-28
Lowest
5.3 g/m³
1985-05-11
Wind
Highest
16 mph
2010-05-19
Lowest
2 mph
2018-05-25
Precip
Wettest
5.08 in
1984
Driest
0.69 in
1992
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