Contents
- Weather in December
- Frequently asked questions
- Average temperature in December
- Average pressure in December
- Average wind speed in December
- Average humidity in December
- Average rainfall in December
- Average rainfall days in December
- Average snowfall in December
- Average snowfall days in December
- Average daylight in December
- Average sunshine in December
- Average sunshine days in December
- Average UV index in December
- Average cloud cover in December
- Average visibility in December
Weather in December
Temperature
December brings a slight decrease in temperature, down from a moderate 55.4°F (13°C) in November to a chilly 47.3°F (8.5°C). During December, the average low-temperature is a wintry 33.4°F (0.8°C).Humidity
The most humid month is December, with an average relative humidity of 78%.Rainfall
In Falmouth, Virginia, in December, during 10.5 rainfall days, 1.97" (50mm) of precipitation is typically accumulated. In Falmouth, Virginia, during the entire year, the rain falls for 153.8 days and collects up to 26.73" (679mm) of precipitation.Snowfall
January through April, November and December are months with snowfall in Falmouth. In December, in Falmouth, it is snowing for 2.3 days. Throughout December, 1.06" (27mm) of snow is accumulated. Throughout the year, there are 13.5 snowfall days, and 6.77" (172mm) of snow is accumulated.Daylight
December has the shortest days of the year in Falmouth, with an average of 9h and 30min of daylight.On the first day of the month, sunrise is at 7:08 am and sunset at 4:49 pm. On the last day of December, sunrise is at 7:26 am and sunset at 4:59 pm EST.
Sunshine
The month with the least sunshine is December, with an average of 5.2h of sunshine.UV index
January, February and December, with an average maximum UV index of 2, are months with the lowest UV index. A UV Index estimate of 2, and below, represents a minimal health vulnerability from unprotected exposure to Sun's UV rays for the ordinary person.Note: The maximum UV index of 2 during December leads to these instructions:
Children, infants, and individuals with sensitive skin should be constantly protected from extended sun exposure. UV radiation is strongest from the Sun during midday; protect yourself by staying in shaded areas. A wide-brimmed hat provides unparalleled sun protection for sensitive areas like the eyes, ears, and neck. Mind you! Snow reflection can increase the intensity of the Sun's UV radiation nearly twofold.
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Data Sources | Weather Forecasting & Climate
Frequently asked questions
What are December temperatures in Falmouth?
What is the most humid month in Falmouth?
What is the average humidity in December in Falmouth?
How many days does it rain in December in Falmouth?
How much does it snow in Falmouth in December?
What is the month with the shortest days in Falmouth?
How many hours of daylight does Falmouth have in December?
When is the sunrise / sunset in December in Falmouth?
What is the month with the least sunshine in Falmouth?
How long on average sun shines in December in Falmouth?
When is the lowest UV index in Falmouth?
What is the UV index intensity in December in Falmouth?
Average temperature in December
Falmouth, VA
- Average high temperature in December: 47.3°F
The warmest month (with the highest average high temperature) is July (89.1°F).
The month with the lowest average high temperature is January (42.4°F).
- Average low temperature in December: 33.4°F
The month with the highest average low temperature is July (67.6°F).
The coldest month (with the lowest average low temperature) is January (27.3°F).
Average pressure in December
Falmouth, 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
Falmouth, VA
- Average wind speed in December: 5.7mph
The windiest month (with the highest average wind speed) is April (7mph).
The calmest month (with the lowest average wind speed) is August (4.7mph).
Average humidity in December
Falmouth, 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 (71%).
Average rainfall in December
Falmouth, VA
- Average rainfall in December: 1.97"
The wettest month (with the highest rainfall) is August (2.83").
The driest month (with the least rainfall) is January (1.65").
Average rainfall days in December
Falmouth, VA
- Average rainfall days in December: 10.5 days
The month with the highest number of rainy days is May (16.9 days).
The month with the least rainy days is November (9.1 days).
Average snowfall in December
Falmouth, VA
- Average snowfall in December: 1.06"
The month with the highest snowfall is February (1.93").
The months with the least snowfall are May, June, July, August, September and October (0").
Average snowfall days in December
Falmouth, VA
- Average snowfall days in December: 2.3 days
The months with the highest number of snowfall days are January and February (4.3 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
Falmouth, VA
- Average daylight in December: 9h and 3min
The month with the longest days is June (Average daylight: 14h and 48min).
The month with the shortest days is December (Average daylight: 9h and 30min).
- 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 December (Average sunshine: 5h and 12min).
Average sunshine days in December
Falmouth, VA
- Average sunshine days in December: 17.4 days
The month with the most sunshine days is November (19.5 days).
The month with the least sunshine days is May (12.4 days).
Average UV index in December
Falmouth, 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
Falmouth, VA
- Average cloud cover in December: 45
The month with the most cloud cover is March (Cloud cover 47).
The month with the least cloud cover is July (Cloud cover 32).
Average visibility in December
Falmouth, VA
- Average visibility in December: 6mi
The months with the highest visibility are January, March, April, June, July, August, October, November and December (6mi).
The months with the lowest visibility are February, May and September (5mi).
Falmouth, Virginia, USA
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