Temperature
Pleasant by day, brisk at night.
74°Ftypical May high
Typical range
May climate
May in Philadelphia
United States · North America
Mild days and some sun.
One of the best months here
Some afternoons can feel hot.
Daytime high
74°F
Lows around 56°F
Rain
Several rainy days
Sun
10.5 h/day
Air feel
Comfortable
When to visit
Month-by-month fit
Best
Precipitation
Several rainy days. About 12 wet days, the highest monthly average.
39%wet-day frequency
Precip amountWet-day chanceSnowfall
Sunshine
A mix of sunshine and cloud.
10.4 hMay sunshine
Heat & humidity by month
LowMay Heat feel
Easy airWarm airHot airHumid airVery humid air
Hourly temperature pattern
In May, afternoons feel about 68° and nights feel near 54°.
FreezingVery coldColdCoolComfortableWarmHotNight hours
Clear sky
Mostly cloudy skies this month.
38%May Clear sky
Clear skyCloud
Wind pattern
Calm winds are typical in May.
7 mphMay Light breeze
More detailIncludes daypart comfort
Typical May day
May late afternoons are around 72°F, easing to about 68°F in early evening.
Avg temp Typical range
Morning63°F
Rain15%
Cloud61%
Humid airLow
Sun intensityModerate
Midday71°F
Rain18%
Cloud68%
Humid airLow
Sun intensityStrong
Late afternoon72°F
Rain17%
Cloud68%
Humid airLow
Sun intensityModerate
Early evening68°F
Rain14%
Cloud62%
Humid airLow
Sun intensityMinimal
Best windowData tableView month-by-month numbers
View month-by-month numbers
| Month | High°F | Low°F | Rainin | Wet days | Sunh | Humidity% |
|---|---|---|---|---|---|---|
| Jan | 41 | 28 | 3.3 | 10 | 6.6 | 64 |
| Feb | 45 | 30 | 3.1 | 9 | 7.5 | 61 |
| Mar | 54 | 37 | 3.9 | 10 | 8.3 | 59 |
| Apr | 65 | 46 | 3.8 | 11 | 9.3 | 59 |
| May | 74 | 56 | 3.7 | 12 | 10.4 | 64 |
| Jun | 82 | 65 | 4.0 | 12 | 11.3 | 66 |
| Jul | 87 | 71 | 3.9 | 11 | 11.7 | 66 |
| Aug | 85 | 69 | 3.7 | 11 | 10.8 | 68 |
| Sep | 78 | 62 | 3.9 | 9 | 9.2 | 70 |
| Oct | 67 | 51 | 3.6 | 8 | 7.9 | 69 |
| Nov | 56 | 40 | 2.8 | 8 | 7.0 | 65 |
| Dec | 46 | 33 | 4.0 | 10 | 6.1 | 67 |
Similar climates
Similar
Similar travel styleBostonUnited StatesSimilar travel styleWashington DCUnited StatesSimilar travel styleSarajevoBosniaSimilar travel styleHiroshimaJapan
Want a side-by-side climate view? Compare Philadelphia with Boston.
Climate data notePlanning guidance, not a forecast
Typical monthly values are based on long-term climate records. Useful for planning, not a forecast. Check the weather before you travel.
Sunshine: source type is not yet identified at metric level.
Local microclimates can vary by beach, neighborhood, trail, or elevation.
Last updated: Jun 1, 2026
Data & methodology