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.