Pennsylvania Veður Spá
Pennsylvania weather: 9°C, heiðskýrt. Á klukkustund forecast, 14-day outlook, UV, air quality and the best time til visit.
Pennsylvania weather in desember
One of the harder months here - go in með a plan.
desember runs 11°C cooler than the annual average in Pennsylvania.
Compare með nóvember.
Veður map for Pennsylvania
Animated model layers. Pick a layer til load it.
Animated layers by Vindury. For pin-level detail and nearby places, see the interactive map below.
Loftslag in Pennsylvania month by month
Average high, average low and total rainfall, based on three years of reanalysis data.
| Mánuður | Avg high | Avg low | Rigningfall | Rating |
|---|---|---|---|---|
| janúar | 2° | -5° | 78 mm | ★★☆☆☆ |
| febrúar | 5° | -4° | 76 mm | ★★☆☆☆ |
| mars | 14° | 3° | 93 mm | ★★★☆☆ |
| apríl | 19° | 8° | 87 mm | ★★★★☆ |
| maí | 22° | 13° | 149 mm | ★★★★☆ |
| júní | 29° | 18° | 80 mm | ★★★★☆ |
| júlí | 31° | 21° | 126 mm | ★★★★☆ |
| ágúst | 28° | 19° | 111 mm | ★★★★☆ |
| september | 25° | 16° | 65 mm | ★★★★☆ |
| október | 19° | 9° | 53 mm | ★★★★☆ |
| nóvember | 12° | 3° | 50 mm | ★★★☆☆ |
| desember | 6° | -2° | 82 mm | ★★☆☆☆ |
Loftslag type: Heimsálfaal. Heimild: Open-Meteo archive (ERA5).
Best time til visit Pennsylvania
Go in júní, júlí, ágúst, september and október. These months score highest on comfortable temperatures, low rainfall and useful daylight.
Hardest months: janúar, febrúar and desember - expect the least comfortable mix of heat, cold or rain.
What til pack, what til skip
- sun.glasses, a brimmed hat and SPF 30+
- Layers - the daily swing is 17°C, so mornings feel nothing like afternoons
- If your dates are flexible, avoid janúar, febrúar and desember - historically the least comfortable months here.
How Pennsylvania compares með nearby places
Annual averages, and the difference against Pennsylvania.
| Place | Distance | Avg temp | vs here | Annual rain |
|---|---|---|---|---|
| maryland | 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 |
Sjá spá fyrir Pennsylvania eftir tímabili
Pennsylvania weather - more answers
Explore Pennsylvania
Every topic we hold for this place, and the same topic for the places around it.
Veður for related places
Frequently asked questions
Where is Pennsylvania?
Pennsylvania is a state in Bandaríkin. Its coordinates are 40.2732, -76.8867. It lies in Norður-Ameríka.
What is the weather like in Pennsylvania núna?
It is currently 9°C (47°F) með heiðskýrt. Raki is 73% and wind is 4 km/h.
When is the best time til visit Pennsylvania?
júní, júlí, ágúst, september and október offer the most comfortable conditions in Pennsylvania, which has a continental climate. janúar, febrúar and desember 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 8:37 AM.
How many people live in Pennsylvania?
Pennsylvania has a population of approximately 13 million.
What is the nearest airport til 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 til 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. |
|---|---|
| Spá and observations | Open-Meteo (ECMWF and national models). |
| Loftgæði and pollen | Copernicus CAMS via Open-Meteo. US AQI scale. |
| Loftslag averages | ERA5 reanalysis via the Open-Meteo archive, aggregated over 3 years. |
| Official alerts | US National Veður 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 október 6, 2026 at 8:37 AM local time. Live blocks refresh every 15 minutes; climate averages monthly.
