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May weather in Washington, United States

Averages from 155 days in May across 2020–2024.

Typical conditions

Average high23.1°C
Average low12.3°C
Average mean17.5°C
Total precipitation531 mm
Rainy days89
Average precipitation hours4.1 h
Average max wind speed16.6 km/h
Average sunshine9.8 h/day

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