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
The arrival of December is marked by a minor reduction in average high-temperature, sliding from a fresh 52.5°F (11.4°C) in November to a chilly 43.7°F (6.5°C). Purcellville records a steady low-temperature average of 30.9°F (-0.6°C) during December.Humidity
The months with the highest humidity are October and December, with an average relative humidity of 78%.Rainfall
In Purcellville, during December, the rain falls for 10.7 days and regularly aggregates up to 2.6" (66mm) of precipitation. In Purcellville, Virginia, during the entire year, the rain falls for 162.2 days and collects up to 31.1" (790mm) of precipitation.Snowfall
January through April, October through December are months with snowfall in Purcellville. In Purcellville, in December, snow falls for 3.8 days, with typically accumulated 2.68" (68mm) of snow. In Purcellville, Virginia, during the entire year, snow falls for 21.9 days and aggregates up to 14.88" (378mm) of snow.Daylight
With an average of 9h and 30min of daylight, December has the shortest days of the year in Purcellville.On the first day of the month, sunrise is at 7:11 am and sunset at 4:48 pm. On the last day of December, in Purcellville, Virginia, sunrise is at 7:29 am and sunset at 4:58 pm EST.
Sunshine
January and December, with an average of 5.1h of sunshine, are months with the least sunshine in Purcellville.UV index
The months with the lowest UV index are January, February, November and December, with an average maximum UV index of 2. A UV Index reading of 2, and below, represents a low health risk from unprotected exposure to Sun's UV rays for the ordinary person.Note: The maximum daily UV index of 2 in December converts into the following recommendations:
Most people can stay in the Sun for up to 1 hour without burning, apart from children that always must be protected from sun exposure. Direct exposure to the Sun's intense radiation around midday should be avoided for health reasons. Clothes that are both tight-knit and comfortably loose are prime choices for sun protection. Guard yourself! Snow reflection can almost double the UV radiation from the Sun.
Frequently asked questions
How cold is it in Purcellville in December?
What is the most humid month in Purcellville?
What is the average humidity in December in Purcellville?
How many days does it rain in December in Purcellville?
How many days does it snow in December in Purcellville?
What is the month with the shortest days in Purcellville?
How many hours of daylight does Purcellville have in December?
What time are sunrise and sunset in December in Purcellville?
What are the months with the least sunshine in Purcellville?
How many hours of sunshine does Purcellville have in December?
When is the lowest UV index in Purcellville?
How high is the UV index in December in Purcellville?
Average temperature in December
Purcellville, VA
- Average high temperature in December: 43.7°F
The warmest month (with the highest average high temperature) is July (86.5°F).
The month with the lowest average high temperature is January (38.7°F).
- Average low temperature in December: 30.9°F
The month with the highest average low temperature is July (65.5°F).
The coldest month (with the lowest average low temperature) is January (24.8°F).
Average pressure in December
Purcellville, 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
Purcellville, VA
- Average wind speed in December: 6.5mph
The windiest month (with the highest average wind speed) is March (7.3mph).
The calmest month (with the lowest average wind speed) is August (4.4mph).
Average humidity in December
Purcellville, VA
- Average humidity in December: 78%
The months with the highest relative humidity are October and December (78%).
The month with the lowest relative humidity is July (73%).
Average rainfall in December
Purcellville, VA
- Average rainfall in December: 2.6"
The wettest months (with the highest rainfall) are May and August (3.35").
The driest month (with the least rainfall) is September (1.93").
Average rainfall days in December
Purcellville, VA
- Average rainfall days in December: 10.7 days
The month with the highest number of rainy days is May (17.3 days).
The month with the least rainy days is January (10.1 days).
Average snowfall in December
Purcellville, VA
- Average snowfall in December: 2.68"
The month with the highest snowfall is January (4.17").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in December
Purcellville, VA
- Average snowfall days in December: 3.8 days
The month with the highest number of snowfall days is January (6.8 days).
The months with the least snowfall days are May, June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Purcellville, VA
- Average daylight in December: 9h and 3min
The month with the longest days is June (Average daylight: 14h and 54min).
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 48min).
The months with the least sunshine are January and December (Average sunshine: 5h and 6min).
Average sunshine days in December
Purcellville, VA
- Average sunshine days in December: 16.8 days
The month with the most sunshine days is November (19.3 days).
The month with the least sunshine days is May (11.1 days).
Average UV index in December
Purcellville, 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, November and December (UV index 2).
Average cloud cover in December
Purcellville, VA
- Average cloud cover in December: 46
The month with the most cloud cover is March (Cloud cover 47).
The month with the least cloud cover is July (Cloud cover 30).
Average visibility in December
Purcellville, VA
- Average visibility in December: 5mi
The months with the highest visibility are February, March, April, June, July, August and November (6mi).
The months with the lowest visibility are January, May, September, October and December (5mi).
Purcellville, Virginia, USA
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