Weather in Philadelphia in May
In an average May, Philadelphia sees a daily high around 73°F and a low around 54°F, based on 1980–2026 of local climate records.
| Average high | 73°F |
|---|---|
| Typical high range | 62°F to 84°F |
| Average low | 54°F |
| Typical low range | 45°F to 64°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
96°F
1996-05-20
Lowest
50°F
2019-05-13
Low
Highest
75°F
1991-05-28
Lowest
35°F
2020-05-09
Feels-like
Highest
120°F
1987-05-29
Lowest
24°F
2020-05-09
Humidity
Highest
20.2 g/m³
1991-05-31
Lowest
3.2 g/m³
1986-05-03
Wind
Highest
22 mph
1989-05-06
Lowest
4 mph
2024-05-06
Gust
Highest
60 mph
1989-05-06
Lowest
9 mph
2009-05-03
Precip
Wettest
8.35 in
1984
Driest
1.09 in
2015
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