Exton
Pennsylvania, USA
Long-term weather forecast
Long-term weather forecast

December weather forecast and climate
Exton, PA

December, the first month of the winter, in Exton, is still a mild month, with average temperature varying between 59°F (15°C) and 24.8°F (-4°C).

Temperature

In December, the average high-temperature is almost the same as in November - a moderate 59°F (15°C). In Exton, the average low-temperature is 24.8°F (-4°C).

Rainfall

In Exton, Pennsylvania, 3.8" (97mm) of precipitation is typically accumulated. During the entire year, Exton aggregates up to 45.8" (1164mm) of precipitation.

Daylight

December has the shortest days of the year in Exton, with an average of 9.4h of daylight.

What is the temperature in December in Exton?

The average high-temperature, in December, in Exton, Pennsylvania, is 59°F (15°C), while the average low-temperature is 24.8°F (-4°C).

How much does it rain in Exton in December?

During December, Exton regularly aggregates up to 3.8" (97mm) of precipitation.

What is the month with the shortest days in Exton?

December has the shortest days of the year, with an average of 9.4h of daylight.

What is the average length of the day in December in Exton?

In December, the average length of the day is 9.4h.
Average temperature in December - Exton, PA
  • Average high temperature in December: 59°F

The warmest month (with the highest average high temperature) is July (91.4°F).
The month with the lowest average high temperature is January (51.8°F).

  • Average low temperature in December: 24.8°F

The month with the highest average low temperature is June (68°F).
The coldest month (with the lowest average low temperature) is December (24.8°F).

Average rainfall in December - Exton, PA
  • Average rainfall in December: 3.8"

Wettest months (with the highest rainfall) are June and August (4.5").
Driest months (with the lowest rainfall) are February, October and November (3.3").

Average daylight in December - Exton, PA
  • Average daylight in December: 9.4h

The month with the longest days is June (Average daylight: 15h).
The month with shortest days is December (Average daylight: 9.4h).