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May weather in Philadelphia, United States

Averages from 155 days in May across 2020–2024.

Typical conditions

Average high22.7°C
Average low11.8°C
Average mean17.1°C
Total precipitation457.5 mm
Rainy days72
Average precipitation hours3.4 h
Average max wind speed19.1 km/h
Average sunshine10.1 h/day

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