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PhiladelphiaUSPennsylvania, United States | ||
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PhiladelphiaUSPennsylvania, United States | |||||||||||||||
Philadelphia
DetailsHeat Seeker Score
Heat Seeker Score is a composite score designed for those who crave hot, sunny weather with minimal rainfall. It prioritizes high temperatures and abundant sunshine.
Use the detailed page for charts, component scores, and weather inputs behind every monthly ranking.
Calculations are based on the last 8 years of historical weather data.
Philadelphia experiences temperatures within the comfort zone from June to September.
July has maximum temperatures in the discomfort zone.
December and January have minimum temperatures in the discomfort zone.
The remaining months have temperatures outside both comfort and discomfort zones.
Maximum Temperatures
| Period | Philadelphia |
|---|---|
| Jan | 40.1°F |
| Feb | 44.6°F |
| Mar | 52.5°F |
| Apr | 63.0°F |
| May | 71.6°F |
| Jun | 82.0°F |
| Jul | 88.2°F |
| Aug | 85.3°F |
| Sep | 79.0°F |
| Oct | 68.2°F |
| Nov | 54.5°F |
| Dec | 44.6°F |
| Average | 64.5°F |
Minimum Temperatures
| Period | Philadelphia |
|---|---|
| Jan | 28.6°F |
| Feb | 31.5°F |
| Mar | 37.2°F |
| Apr | 46.8°F |
| May | 55.6°F |
| Jun | 65.1°F |
| Jul | 72.1°F |
| Aug | 70.7°F |
| Sep | 64.6°F |
| Oct | 54.3°F |
| Nov | 41.0°F |
| Dec | 33.1°F |
| Average | 50.0°F |
In Philadelphia, total sun hours (sh) peak during the summer months of June and July, suggesting a favorable climate for outdoor activities.
Precipitation levels tend to be relatively stable throughout the year, with a slight increase in December, while January and December are the months with the lowest sun hours.
Sunny Weather
| Period | Philadelphia |
|---|---|
| Jan | 3.6 hours/day |
| Feb | 4.1 hours/day |
| Mar | 4.5 hours/day |
| Apr | 4.2 hours/day |
| May | 5.5 hours/day |
| Jun | 6.9 hours/day |
| Jul | 6.7 hours/day |
| Aug | 5.7 hours/day |
| Sep | 5.7 hours/day |
| Oct | 5.2 hours/day |
| Nov | 4.8 hours/day |
| Dec | 3.3 hours/day |
| Average | 5.0 hours/day |
Precipitation Levels
| Period | Philadelphia |
|---|---|
| Jan | 0.2in |
| Feb | 0.2in |
| Mar | 0.2in |
| Apr | 0.2in |
| May | 0.2in |
| Jun | 0.2in |
| Jul | 0.2in |
| Aug | 0.2in |
| Sep | 0.2in |
| Oct | 0.2in |
| Nov | 0.1in |
| Dec | 0.2in |
| Average | 0.2in |
Wind Speed
| Period | Philadelphia |
|---|---|
| Jan | 11.6mph |
| Feb | 11.3mph |
| Mar | 12.7mph |
| Apr | 12.4mph |
| May | 10.7mph |
| Jun | 10.4mph |
| Jul | 9.1mph |
| Aug | 9.1mph |
| Sep | 9.3mph |
| Oct | 10.3mph |
| Nov | 11.2mph |
| Dec | 10.8mph |
| Average | 10.7mph |
Humidity
| Period | Philadelphia |
|---|---|
| Jan | 67.1% |
| Feb | 69.1% |
| Mar | 64.5% |
| Apr | 63.1% |
| May | 66.8% |
| Jun | 64.2% |
| Jul | 64.4% |
| Aug | 62.9% |
| Sep | 65.3% |
| Oct | 64.4% |
| Nov | 61.9% |
| Dec | 69.6% |
| Average | 65.3% |
In Philadelphia, the sunrise times vary significantly throughout the year, with the earliest occurring at 05:32 in June and the latest at 07:18 in January.
Sunset times also show considerable variation, with the latest sunset at 20:30 in June and the earliest at 16:37 in December.
The day length ranges from a minimum of 9 hours and 23 minutes in December to a maximum of 14 hours and 57 minutes in June, highlighting the extremes of daylight experienced over the seasons.
Overall, Philadelphia experiences the most daylight in June during the summer months, while it faces the shortest days during the winter, particularly in December.
Sunrise Time
| Period | Philadelphia |
|---|---|
| Jan | 7:19 |
| Feb | 6:53 |
| Mar | 6:49 |
| Apr | 6:22 |
| May | 5:46 |
| Jun | 5:33 |
| Jul | 5:46 |
| Aug | 6:13 |
| Sep | 6:42 |
| Oct | 7:13 |
| Nov | 6:55 |
| Dec | 7:15 |
| Average | 6:36 |
Sunset Time
| Period | Philadelphia |
|---|---|
| Jan | 17:02 |
| Feb | 17:37 |
| Mar | 18:48 |
| Apr | 19:40 |
| May | 20:10 |
| Jun | 20:30 |
| Jul | 20:26 |
| Aug | 19:55 |
| Sep | 19:08 |
| Oct | 18:20 |
| Nov | 16:53 |
| Dec | 16:38 |
| Average | 18:48 |
Useful Day Length
| Period | Philadelphia |
|---|---|
| Jan | 9:43 hours |
| Feb | 10:37 hours |
| Mar | 11:48 hours |
| Apr | 12:40 hours |
| May | 13:10 hours |
| Jun | 13:30 hours |
| Jul | 13:26 hours |
| Aug | 12:55 hours |
| Sep | 12:08 hours |
| Oct | 11:07 hours |
| Nov | 9:53 hours |
| Dec | 9:23 hours |
| Average | 11:42 hours |
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