Temperature in Pennsylvania in December

Daytime highs, nighttime lows and the warmest cities in Pennsylvania, the United States of America this December.

Pennsylvania, the United States of America, a region in the United States of America, experiences low average maximum daytime temperatures in December, ranging from 3°C (37°F) in Bradford to 9°C (48°F) in Essington. Nighttime temperatures generally drop to 1°C (34°F) in Essington and -5°C (23°F) in Bradford. The month of December is in the winter season.

What is the temperature of the different cities in Pennsylvania, the United States of America in December?

Discover the typical December temperatures for the most popular locations of Pennsylvania on the map below. Detailed insights are just a click away.

Select a Month

Check the conditions for any month of the year.

Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec

For a detailed overview over the year and the best time to visit Pennsylvania, check out our Pennsylvania's climate page.

See also: Pennsylvania weather by month.

Best Places to Visit in Pennsylvania in December

Click on a destination dot for more details. Toggle the map to compare temperatures or precipitation across Pennsylvania.

Conditions Temperatures Precipitation
Avg daytime high -5°C (23°F) cold → 32°C (90°F) hot

Marker color shows the average daytime high temperature in December: blue is cold, red is hot.

See all December weather averages, cities and regions in Pennsylvania

Pennsylvania temperatures in December: frequently asked questions

How hot does it get in Pennsylvania, the United States of America in December?

Average daytime highs in Pennsylvania, the United States of America during December reach about 9°C (48°F) in Philadelphia.

How cold does it get at night in Pennsylvania, the United States of America in December?

Average overnight lows in Pennsylvania, the United States of America during December sit near 1°C (34°F) in Philadelphia.

What is the warmest city in December in Pennsylvania, the United States of America?

Essington tops the warmest city list in our database with average maximum daytime temperatures around 9°C (48°F) and a minimum nighttime temperature of around 1°C (34°F).

What is the coldest city in December in Pennsylvania, the United States of America?

Our database indicates that in December, Bradford is the city with the coolest temperatures in Pennsylvania, the United States of America. You can expect daytime highs of 3°C (37°F) and nighttime lows close to -5°C (23°F).

How much sun does Pennsylvania, the United States of America get in December?

Across Pennsylvania, the United States of America, sunshine in December ranges from overcast in Pittsburgh (73 hours) to moderately sunny in Philadelphia (140 hours).

What is the water temperature in December?

The water temperature averages approximately 9°C (48°F) in Philadelphia this month, generally too cold for comfortable swimming.

Interested in more climate information?

We have much more information about the climate in Pennsylvania.

Weather and climate has detailed information for every country in the world. Are you going to the United States of America? Get detailed historical weather averages for many cities in the United States of America.

Not sure yet where to go? We now have a tool which recommends destinations that suit your ideal travel conditions. Find out where to go with our weather planner.

Bucket list

Need travel inspiration? Check out our bucket list articles and be inspired.

Yosemite National Park is definitely worth a visit

Vast forests, blue lakes, towering sequoias, and majestic waterfalls hint at the beauty of Yosemite National Park—a true natural masterpiece.
The 10 most alternative cities in the United States

Discover the top 10 fun and alternative U.S. cities rich in art, culture, and adventure. From Portland's hippy charm to Sedona's stunning landscapes.
Sedona: Explore Majestic Red Rock Landscapes

A picturesque artists' town surrounded by red rocks and known for its spirituality, vortex energy, and stunning hikes like Cathedral Rock.
10 most idyllic villages to visit in the United States

Discover 10 idyllic villages in the USA, from California to Vermont. Explore their unique charm, rich history, stunning nature, and vibrant arts scenes.
Must visit in the United States of America →