December weather forecast
Farnham, VA

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Weather in December

December, the first month of the winter in Farnham, is also a frosty month, with an average temperature varying between 48.4°F (9.1°C) and 36°F (2.2°C).

Temperature

The arrival of December corresponds with a light shift in temperature, down from a mild 56.1°F (13.4°C) in November to a chilly 48.4°F (9.1°C). Farnham's December nights cool down to an average low-temperature of 36°F (2.2°C).

Humidity

The most humid month is December, with an average relative humidity of 78%.

Rainfall

In Farnham, in December, during 11.3 rainfall days, 2.52" (64mm) of precipitation is typically accumulated. In Farnham, during the entire year, the rain falls for 159.5 days and collects up to 31.42" (798mm) of precipitation.

Snowfall

Months with snowfall in Farnham are January through April, November and December. In Farnham, in December, snow falls for 2.4 days, with typically accumulated 1.18" (30mm) of snow. In Farnham, Virginia, during the entire year, snow falls for 12 days and aggregates up to 6.89" (175mm) of snow.

Daylight

The month with the shortest days in Farnham, Virginia, is December, with an average of 9h and 36min of daylight.
On the first day of December in Farnham, sunrise is at 7:03 am and sunset at 4:47 pm. On the last day of the month, sunrise is at 7:22 am and sunset at 4:57 pm EST.

Sunshine

The average sunshine in December in Farnham is 5.2h.

UV index

The months with the lowest UV index are January, February and December, with an average maximum UV index of 2. A UV Index value of 2, and less, symbolizes a low threat to health from exposure to the Sun's UV radiation for the ordinary person.
Note: The maximum daily UV index of 2 in December interprets into the following recommendations:
Children must always have sun protection, unlike most people, who can tolerate up to an hour in the sun without any burns. Limiting sun exposure during midday hours helps in reducing the harmful effects of UV radiation. Clothes that are both tight-knit and comfortably loose are prime choices for sun protection. Beware! The strength of the UV rays is increased nearly double-fold by the reflection of the snow.
Updated: Feb 14, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What is the temperature in December in Farnham?

During December, Farnham experiences an average high-temperature of 48.4°F (9.1°C) and a low-temperature of 36°F (2.2°C). In August, the average heat index (a.k.a. 'felt air temperature', 'apparent temperature'), which combines relative humidity and air temperature, is appraised at 98.6°F (37°C).

What is the most humid month in Farnham?

December is the most humid month in Farnham, with an average relative humidity of 78%.

What is the average humidity in December in Farnham?

In Farnham, Virginia, the average relative humidity in December is 78%.

How much does it rain in Farnham in December?

In Farnham, during December, the rain falls for 11.3 days and regularly aggregates up to 2.52" (64mm) of precipitation.

How many days does it snow in December in Farnham?

In Farnham, in December, snow falls for 2.4 days, with typically accumulated 1.18" (30mm) of snow.

What is the month with the shortest days in Farnham?

With an average of 9h and 36min of daylight, December has the shortest days of the year in Farnham, Virginia.

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

In December, the average day length in Farnham is 9h and 35min.

What time are sunrise and sunset in December in Farnham?

On the first day of December in Farnham, Virginia, sunrise is at 7:03 am and sunset at 4:47 pm. On the last day of the month, sunrise is at 7:22 am and sunset at 4:57 pm EST.

How many hours of sunshine does Farnham have in December?

In December, the average sunshine duration in Farnham, Virginia, is 5.2h.

What is the month with the lowest UV index in Farnham?

January, February and December, with an average maximum UV index of 2, are months with the lowest UV index in Farnham, Virginia.

What is the UV index reading in December in Farnham?

In December, the average daily maximum UV index is 2. A UV Index value of 2, and less, symbolizes a low health risk from exposure to the Sun's UV radiation.
Average humidity
Average rainfall days
Average snowfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in December
Farnham, VA

Average temperature in December - Farnham, VA
  • Average high temperature in December: 48.4°F

The warmest month (with the highest average high temperature) is July (88.3°F).
The month with the lowest average high temperature is January (43.5°F).

  • Average low temperature in December: 36°F

The month with the highest average low temperature is July (69.4°F).
The coldest month (with the lowest average low temperature) is January (29.5°F).

Average pressure in December
Farnham, VA

Average pressure in December - Farnham, VA
  • Average pressure in December: 30.11"Hg

The month with the highest atmospheric pressure is November (30.14"Hg).
The month with the lowest atmospheric pressure is June (29.95"Hg).

Average wind speed in December
Farnham, VA

Average wind speed in December - Farnham, VA
  • Average wind speed in December: 6.7mph

The windiest month (with the highest average wind speed) is April (8.1mph).
The calmest month (with the lowest average wind speed) is August (5.5mph).

Average humidity in December
Farnham, VA

Average humidity in December - Farnham, VA
  • Average humidity in December: 78%

The month with the highest relative humidity is December (78%).
The month with the lowest relative humidity is July (73%).

Average rainfall in December
Farnham, VA

Average rainfall in December - Farnham, VA
  • Average rainfall in December: 2.52"

The wettest month (with the highest rainfall) is August (3.19").
The driest month (with the least rainfall) is September (1.93").

Average rainfall days in December
Farnham, VA

Average rainfall days in December - Farnham, VA
  • Average rainfall days in December: 11.3 days

The month with the highest number of rainy days is May (17.4 days).
The month with the least rainy days is January (9.9 days).

Average snowfall in December
Farnham, VA

Average snowfall in December - Farnham, VA
  • Average snowfall in December: 1.18"

The month with the highest snowfall is January (1.89").
The months with the least snowfall are May, June, July, August, September and October (0").

Average snowfall days in December
Farnham, VA

Average snowfall days in December - Farnham, VA
  • Average snowfall days in December: 2.4 days

The month with the highest number of snowfall days is January (3.7 days).
The months with the least snowfall days are May, June, July, August, September and October (0 days).

Average daylight in December /
Average sunshine in December
Farnham, VA

Average daylight in December / Average sunshine in December - Farnham, VA
  • Average daylight in December: 9h and 4min

The month with the longest days is June (Average daylight: 14h and 42min).
The month with the shortest days is December (Average daylight: 9h and 36min).

  • Average sunshine in December: 5h and 1min

The month with the most sunshine is July (Average sunshine: 10h and 36min).
The month with the least sunshine is February (Average sunshine: 5h and 6min).

Average sunshine days in December
Farnham, VA

Average sunshine days in December - Farnham, VA
  • Average sunshine days in December: 17.8 days

The month with the most sunshine days is November (18.9 days).
The month with the least sunshine days is May (11.6 days).

Average UV index in December
Farnham, VA

Average UV index in December - Farnham, VA
  • Average UV index in December: 2

The months with the highest UV index are May, June, July and August (UV index 6).
The months with the lowest UV index are January, February and December (UV index 2).

Average cloud cover in December
Farnham, VA

Average cloud cover in December - Farnham, VA
  • Average cloud cover in December: 44

The month with the most cloud cover is March (Cloud cover 46).
The month with the least cloud cover is July (Cloud cover 31).

Average visibility in December
Farnham, VA

Average visibility in December - Farnham, VA
  • Average visibility in December: 6mi

The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).

Farnham, Virginia, USA

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