Harrisburg Weather in December

During December, Harrisburg experiences low daytime temperatures of 6°C (43°F) and cooler nights around -2°C (28°F). As part of the winter season, expect quite a bit of snow/rainfall. Around 102 mm (4 in) is typical.

Rainfall in Harrisburg in December

You can expect snow/rain on roughly 12 days based on historical data, averaging 102 mm (4 in) for the month. Individual showers can be quite heavy this month. A proper umbrella or rain jacket is worth having.

Temperature in Harrisburg in December

December in Harrisburg brings low temperatures, with highs of 6°C (43°F) and nights around -2°C (28°F). December is part of the winter season. Expect a cold feel throughout the day, not just in the mornings and evenings. Warm layers are essential. With overnight lows of -2°C (28°F), temperatures fall below freezing at night. An extra thick blanket can make a real difference if your accommodation runs cold.

Sunshine in Harrisburg in December

With about 126 hours of sunshine, the area enjoys a nice balance of sun and overcast, creating a pleasant environment.

If you prefer dry days with pleasant temperatures, December may not be the ideal month to visit Harrisburg. Our weather planner can help you explore destinations with more pleasant weather conditions.

Select a Month

Check the conditions for any month of the year.

• January
• February
• March
• April

• May
• June
• July
• August

• September
• October
• November
• December

For a detailed overview over the year and the best time to visit the United States of America, check out our Harrisburg's climate page.

Harrisburg Temperature in December

Min Temperature -2°C (28°F)  

Max Temperature 6°C (43°F)  

Chance of Rain 39%  

Precipitation 102 mm (4 in)  

Rainy days 12 days  

Humidity 66%  

Sunshine 126 hours  

Percentage Sunshine 43%  

What to Wear in Harrisburg in December

We recommend to layer up for chilly conditions in Harrisburg in December. You could start with thermal underwear or a good base layer to keep your core warm on the cooler days this month. Maybe also add a sweater or fleece, and top it off with a windproof jacket. High rain levels are expected, so pack waterproof gear and an umbrella or poncho. It won't hurt to bring your sunglasses along, as you'll see some sunny periods.

What To Do in Harrisburg in December

We rated the following activities from 1 (least suitable) to 10 (best) to do.

Swimming

5/10

Cycling

4/10

Walking

4/10

Camping

1/10

Outdoor sports

4/10

Select a Month

Check the conditions for any month of the year.

• January
• February
• March
• April

• May
• June
• July
• August

• September
• October
• November
• December

For a detailed overview over the year and the best time to visit the United States of America, check out our Harrisburg's climate page.

More climate data for Harrisburg

Temperature Rainfall Sunshine Humidity

See the full Harrisburg climate overview or explore weather in the United States of America.