Philadelphia County Climate and Average Weather
Climate of Philadelphia County: average temperatures, rainfall and seasons month by month.
Climate in Philadelphia County month by month
Average high, average low and total rainfall, based on three years of reanalysis data.
| Month | Avg high | Avg low | Rainfall | Rating |
|---|---|---|---|---|
| January | 38° | 25° | 3,5 in | ★★☆☆☆ |
| February | 42° | 27° | 2,4 in | ★★☆☆☆ |
| March | 57° | 38° | 5,3 in | ★★★☆☆ |
| April | 66° | 46° | 3,3 in | ★★★★☆ |
| May | 73° | 56° | 5,0 in | ★★★★☆ |
| June | 85° | 66° | 3,1 in | ★★★★☆ |
| July | 88° | 71° | 4,5 in | ★★★★☆ |
| August | 84° | 67° | 5,0 in | ★★★★☆ |
| September | 78° | 62° | 2,4 in | ★★★★☆ |
| October | 69° | 51° | 1,8 in | ★★★★☆ |
| November | 56° | 40° | 2,6 in | ★★★☆☆ |
| December | 44° | 31° | 4,4 in | ★★☆☆☆ |
Climate type: Continental. Source: Open-Meteo archive (ERA5).
Recent extremes in Philadelphia County
Highest and lowest readings observed in the last 3 years of reanalysis data - not all-time records.
How Philadelphia County compares with nearby places
Annual averages, and the difference against Philadelphia County.
| Place | Distance | Avg temp | vs here | Annual rain |
|---|---|---|---|---|
| Philadelphia | 0 mi | 56°F | about the same | 43 in |
| ZIP Code 19103 | 0 mi | 56°F | about the same | 43 in |
| Philadelphia International Airport | 7 mi | 56°F | about the same | 44 in |
| New Jersey | 28 mi | 56°F | about the same | 41 in |
| Delaware | 58 mi | 57°F | +33°F warmer | 43 in |
Best time to visit Philadelphia County
Go in June, July, September and October. These months score highest on comfortable temperatures, low rainfall and useful daylight.
Hardest months: January, February and December - expect the least comfortable mix of heat, cold or rain.
What this means for Philadelphia County
Today is about average for October. The forecast high of 68°F is in line with the 69°F typical for this month.
Rain is very unlikely today - plans do not need a backup.
No weather-related travel disruption is expected today. Roads and airports should run normally.
Northern Hemisphere, so peak summer falls in June to August.
The gap between the warmest and coldest month averages 80°F.
What to pack, what to skip
- Layers - the daily swing is 70°F, so mornings feel nothing like afternoons
- A warm mid-layer and gloves for early mornings and evenings
- If your dates are flexible, avoid January, February and December - historically the least comfortable months here.
Summary
Philadelphia County is a county in Pennsylvania. Philadelphia County is a county in the United States. It has a population of about 1.6 million.
Right now it is 47°F (8°C) in Philadelphia County with clear. It feels like 43°F. Today runs from 35°F to 68°F. Chance of precipitation is 0%. Sightseeing conditions score 8.6/10 - excellent - go now.
The best time to visit Philadelphia County is June, July, September and October. The climate is continental. January, February and December tend to be the least comfortable months. July is the warmest month with average highs near 88°F, while January is the coldest with lows near 25°F.
The closest major airport is Philadelphia International Airport (PHL), about 7 mi away. Nearby highlights include Statue of Liberty (UNESCO World Heritage Site), Statue of Liberty, Hudson River and Empire State Building.
In plain terms. Today is about average for October. The forecast high of 68°F is in line with the 69°F typical for this month. The best window to be outside is roughly 2 PM to 5 PM, when temperature, rain chance and wind line up best. stargazing is the strongest bet in Philadelphia County today at 10/10. No weather-related travel disruption is expected today. Roads and airports should run normally.
Compiled from this page's own data: atlas facts plus live Open-Meteo readings.
Quick facts about Philadelphia County
| Type | County |
|---|---|
| State | Pennsylvania |
| Country | United States |
| Continent | North America |
| Coordinates | 39°57′9.4″N 75°9′54.7″W (39.9526, -75.1652) |
| Population | 1.570.000 |
| Local time | 7:44 PM (UTC-04:00) |
| Best months | June, July, September and October |
| Climate | Continental |
Weather map for Philadelphia County
Animated model layers. Pick a layer to load it.
Animated layers by Windy. For pin-level detail and nearby places, see the interactive map below.
Explore Philadelphia County
Every topic we hold for this place, and the same topic for the places around it.
Climate for related places
Frequently asked questions
Where is Philadelphia County?
Philadelphia County is a county in Pennsylvania. Its coordinates are 39.9526, -75.1652. It lies in North America.
What is the weather like in Philadelphia County right now?
It is currently 47°F (8°C) with clear. Humidity is 74% and wind is 3 mph.
When is the best time to visit Philadelphia County?
June, July, September and October offer the most comfortable conditions in Philadelphia County, which has a continental climate. January, February and December are usually the hardest months for outdoor plans.
What time zone is Philadelphia County in?
Philadelphia County observes America/New_York (UTC-04:00). The local time is 7:44 PM.
How many people live in Philadelphia County?
Philadelphia County has a population of approximately 1.6 million.
What is the nearest airport to Philadelphia County?
The closest airports are Philadelphia International Airport (PHL), 7 mi away, Newark Liberty International Airport (EWR), 73 mi away and John F. Kennedy International Airport (JFK), 87 mi away.
What are the top things to do in Philadelphia County?
Popular options include Statue of Liberty (UNESCO World Heritage Site), Statue of Liberty, Hudson River, Empire State Building, Times Square and Central Park.
Related articles
Data sources and methodology
| Place data | USPOTUS Atlas dataset (us-counties) - coordinates, hierarchy and facts. |
|---|---|
| Forecast and observations | Open-Meteo (ECMWF and national models). |
| Air quality and pollen | Copernicus CAMS via Open-Meteo. US AQI scale. |
| Climate averages | ERA5 reanalysis via the Open-Meteo archive, aggregated over 3 years. |
| Official alerts | US National Weather Service. |
| Method | Scores, comparisons and advice on this page are computed from the inputs above. Distances are straight-line. Nothing is estimated where data is missing - the block is simply not shown. |
Last updated October 26, 2026 at 7:44 PM local time. Live blocks refresh every 15 minutes; climate averages monthly.
