Duncannon Weather in December

Duncannon in December averages 11°C (52°F) during the day and 6°C (43°F) at night. Keep in mind that quite a bit of rainfall is expected this month.

Rainfall in Duncannon in December

Analyzing past climate data, one can expect approximately 18 days of rain, averaging 103 mm (4.1 in). This is a wet month with frequent and often heavy showers. Both the number of rain days and the total rainfall are high.

Temperature in Duncannon in December

Daytime temperatures in Duncannon reach 11°C (52°F) in December, dropping to 6°C (43°F) at night. Even at the warmest part of the day, temperatures stay low. Dressing warmly from the start is the sensible approach. At 6°C (43°F) overnight, it gets properly cold after dark. On the bright side, cold nights tend to make for excellent sleeping conditions.

Sunshine in Duncannon in December

The area sees fewer sunny days, with a projection of about 54 hours of sunshine. This reduced sunlight makes it ideal for those who prefer overcast conditions over bright sunny days.

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