Mechanicsburg Weather in December

December in Mechanicsburg brings low temperatures, with daytime highs of 7°C (45°F) and nights around -2°C (28°F). Quite a bit of snow/rainfall is expected, around 102 mm (4 in), so pack an umbrella.

Rainfall in Mechanicsburg in December

This month experiences about 12 days of snow/rain according to historical data, averaging 102 mm (4 in). When it rains this month, it tends to come down fairly heavily. Showers can be substantial even if they don't last all day.

Temperature in Mechanicsburg in December

In December, expect low temperatures in Mechanicsburg, with highs of 7°C (45°F) and lows of -2°C (28°F) at night. The winter season is characteristic of December. Cold conditions persist throughout the day, so warm clothing is important from the moment you head outside. With lows of -2°C (28°F), nights are freezing. Packing a spare blanket is worth considering if you're staying somewhere that might not be fully heated.

Sunshine in Mechanicsburg in December

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

December in Mechanicsburg can still be great, but if you prefer pleasant temperatures along with dry and sunny conditions, our weather planner can help you explore other options in the world.

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

Mechanicsburg Temperature in December

Min Temperature -2°C (28°F)  

Max Temperature 7°C (45°F)  

Chance of Rain 40%  

Precipitation 102 mm (4 in)  

Rainy days 12 days  

Humidity 66% *  

Sunshine 126 hours *  

Percentage Sunshine 43% *  

* Data from: Harrisburg, the United States of America (11 KM, 7 Miles).

What to Wear in Mechanicsburg in December

Cold weather calls for smart layering in December. A thermal base layer makes a huge difference in staying warm. Add a wool sweater or fleece, then a wind-resistant outer jacket. Prepare for significant rainfall with proper waterproof clothing and shoes. Bring sunglasses since you'll have some sunny periods throughout the month

What To Do in Mechanicsburg 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 Mechanicsburg's climate page.

More climate data for Mechanicsburg

Temperature Rainfall Sunshine Humidity

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