December weather forecast and climate
Fairmont, West VA

What is the temperature in December in Fairmont?

In Fairmont, in December, the average high-temperature is 42.1°F (5.6°C), and the average low-temperature is 25°F (-3.9°C).

How many days does it rain in December in Fairmont?

In December, the rain falls for 17 days. Throughout December, 3.4" (85.9mm) of precipitation is accumulated.
Average temperature in December - Fairmont, West VA
  • Average high temperature in December: 42°F

The warmest month (with the highest average high temperature) is July (83°F).
The month with the lowest average high temperature is January (38°F).

  • Average low temperature in December: 25°F

The month with the highest average low temperature is July (61°F).
The coldest month (with the lowest average low temperature) is January (20°F).

Average rainfall in December - Fairmont, West VA
  • Average rainfall in December: 3.4"

Wettest months (with the highest rainfall) are May and July (4.9").
Driest months (with the lowest rainfall) are February and October (3").

Average rainfall days in December - Fairmont, West VA
  • Average rainfall days in December: 17 days

Months with the highest number of rainy days are January and December (17 days).
The month with the lowest number of rainy days is September (10 days).

Average daylight in December / Average sunshine in December - Fairmont, West VA
  • Average daylight in December: 9.4h

The month with the longest days is June (Average daylight: 14.9h).
The month with shortest days is December (Average daylight: 9.4h).

  • Average sunshine in December: 3h

The month with most sunshine is June (Average sunshine: 8h).
Months with least sunshine are January, November and December (Average sunshine: 3).

Average UV index in December - Fairmont, West VA
  • Average UV index in December: 2

Months with the highest UV index are June and July (UV index 9).
Months with the lowest UV index are January, November and December (UV index 2).

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