Pennsylvania 气候 and Average 天气
气候 of Pennsylvania: average temperatures, rainfall and seasons month by month.
气候 in Pennsylvania month by month
Average high, average low and total rainfall, based on three years of reanalysis data.
| 月份 | Avg high | Avg low | 雨fall | Rating |
|---|---|---|---|---|
| 一月 | 2° | -5° | 78 mm | ★★☆☆☆ |
| 二月 | 5° | -4° | 76 mm | ★★☆☆☆ |
| 三月 | 14° | 3° | 93 mm | ★★★☆☆ |
| 四月 | 19° | 8° | 87 mm | ★★★★☆ |
| 五月 | 22° | 13° | 149 mm | ★★★★☆ |
| 六月 | 29° | 18° | 80 mm | ★★★★☆ |
| 七月 | 31° | 21° | 126 mm | ★★★★☆ |
| 八月 | 28° | 19° | 111 mm | ★★★★☆ |
| 九月 | 25° | 16° | 65 mm | ★★★★☆ |
| 十月 | 19° | 9° | 53 mm | ★★★★☆ |
| 十一月 | 12° | 3° | 50 mm | ★★★☆☆ |
| 十二月 | 6° | -2° | 82 mm | ★★☆☆☆ |
气候 type: 大洲al. 来源： Open-Meteo archive (ERA5).
Recent extremes in Pennsylvania
高est and lowest readings observed in the last 3 years of reanalysis data - not all-time records.
How Pennsylvania compares，天气为nearby places
Annual averages, and the difference against Pennsylvania.
| Place | Distance | Avg temp | vs here | Annual rain |
|---|---|---|---|---|
| 三月yland | 148 km | 14°C | +2°C warmer | 1284 mm |
| ZIP Code 20001 | 152 km | 14°C | +2°C warmer | 1236 mm |
| Georgetown | 152 km | 14°C | +2°C warmer | 1236 mm |
| Washington | 152 km | 14°C | +2°C warmer | 1232 mm |
| Area Code 202 | 152 km | 14°C | +2°C warmer | 1232 mm |
气候 by city in Pennsylvania
2 cities mapped in this atlas
气候 by county in Pennsylvania
1 counties mapped in this atlas
最佳旅游时间 Pennsylvania
Go in 六月, 七月, 八月, 九月 and 十月. These months score highest on comfortable temperatures, low rainfall and useful daylight.
Hardest months: 一月, 二月 and 十二月 - expect the least comfortable mix of heat, cold or rain.
What this means for Pennsylvania
Today is slightly cooler than average for 十月. The forecast high of 17°C is 1.9°C below the 19°C typical for this month.
雨 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 六月至八月.
The gap between the warmest and coldest month averages 27°C.
What至pack, what至skip
- Layers - the daily swing is 22°C, so mornings feel nothing like afternoons
- A warm mid-layer and gloves for early mornings and evenings
- If your dates are flexible, avoid 一月, 二月 and 十二月 - historically the least comfortable months here.
摘要
Pennsylvania is a state in 美国. Pennsylvania is a US state，首都是Harrisburg. 人口约为13 million. 首都是Harrisburg.
目前气温为8°C (46°F) in Pennsylvania，天气为晴. 体感温度为5°C. 今天气温在1°C至17°C. 降水概率为0%. Sightseeing conditions score 8.4/10 - 良好.
最佳旅游时间是Pennsylvania is 六月, 七月, 八月, 九月 and 十月. 气候为continental. 一月, 二月 and 十二月 tend至be the least comfortable months. 七月 is the warmest month，天气为average highs near 31°C, while 一月 is the coldest，天气为lows near -5°C.
The closest major airport is Philadelphia International Airport (PHL), about 147 km away. Nearby highlights include National Mall, Watkins Glen State Park, Statue of Liberty (UNESCO World Heritage Site) and Statue of Liberty.
简单来说。 Today is slightly cooler than average for 十月. The forecast high of 17°C is 1.9°C below the 19°C typical for this month. The best window至be outside is roughly 3 PM至6 PM, when temperature, rain chance and wind line up best. stargazing is the strongest bet in Pennsylvania 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 Pennsylvania
天气 map for Pennsylvania
Animated model layers. Pick a layer至load it.
Animated layers by 风y. For pin-level detail and nearby places, see the interactive map below.
Explore Pennsylvania
Every topic we hold for this place, and the same topic for the places around it.
气候 for related places
Frequently asked questions
Where is Pennsylvania?
Pennsylvania is a state in 美国. Its coordinates are 40.2732, -76.8867. It lies in 北美洲.
What is the weather like in Pennsylvania现在?
It is currently 8°C (46°F)，天气为晴. 湿度 is 66% and wind is 7 km/h.
When is the best time至visit Pennsylvania?
六月, 七月, 八月, 九月 and 十月 offer the most comfortable conditions in Pennsylvania, which has a continental climate. 一月, 二月 and 十二月 are usually the hardest months for outdoor plans.
What time zone is Pennsylvania in?
Pennsylvania observes America/New_York (UTC-04:00). The local time is 11:03 AM.
How many people live in Pennsylvania?
Pennsylvania has a population of approximately 13 million.
What is the nearest airport至Pennsylvania?
The closest airports are Philadelphia International Airport (PHL), 147 km away, Washington Dulles International Airport (IAD), 155 km away and Ronald Reagan Washington National Airport (DCA), 159 km away.
What are the top things至do in Pennsylvania?
Popular options include National Mall, Watkins Glen State Park, Statue of Liberty (UNESCO World Heritage Site), Statue of Liberty, Hudson River and Empire State Building.
What places are in Pennsylvania?
Pennsylvania covers 3 places in this atlas, including Philadelphia, Pittsburgh and Philadelphia County.
Related articles
Data sources and methodology
| Place data | USPOTUS Atlas dataset (us-states) - coordinates, hierarchy and facts. |
|---|---|
| 预报 and observations | Open-Meteo (ECMWF and national models). |
| 空气质量 and pollen | Copernicus CAMS via Open-Meteo. US AQI scale. |
| 气候 averages | ERA5 reanalysis via the Open-Meteo archive, aggregated over 3 years. |
| Official alerts | US National 天气 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 十月 25, 2026 at 11:03 AM local time. Live blocks refresh every 15 minutes; climate averages monthly.
