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
With the beginning of December, the average high-temperature shows a small decrease, transitioning from a cool 54.5°F (12.5°C) in November to a chilly 45.7°F (7.6°C). During December, the nighttime temperature in Keene Mill Heights averages to a wintry 32.9°F (0.5°C).Humidity
October and December, with an average relative humidity of 77%, are the most humid months.Rainfall
In Keene Mill Heights, during December, the rain falls for 10.8 days and regularly aggregates up to 2.76" (70mm) of precipitation. Throughout the year, there are 166.5 rainfall days, and 32.76" (832mm) of precipitation is accumulated.Snowfall
January through April, November and December are months with snowfall in Keene Mill Heights. In December, in Keene Mill Heights, it is snowing for 2.4 days. Throughout December, 1.57" (40mm) of snow is accumulated. In Keene Mill Heights, during the entire year, snow falls for 16.2 days and aggregates up to 10.79" (274mm) of snow.Daylight
December has the shortest days of the year, with an average of 9h and 30min of daylight.On the first day of December in Keene Mill Heights, sunrise is at 7:08 am and sunset at 4:47 pm. On the last day of the month, sunrise is at 7:27 am and sunset at 4:57 pm EST.
Sunshine
January, February and December, with an average of 5.2h of sunshine, are months with the least sunshine.UV index
The months with the lowest UV index in Keene Mill Heights are January, February, November and December, with an average maximum UV index of 2. A UV Index of 2, and less, symbolizes a low health risk from unprotected exposure to Sun's UV rays for ordinary individuals.Note: A typical high UV index of 2 in December suggests the following recommendations:
Most individuals can handle sun exposure for up to an hour without burning, but children must always be shielded from sun exposure. Given the potency of the midday Sun's UV radiation, one should avoid prolonged exposure. A wide-brim hat offers excellent sun protection for the eyes, ears, face, and neck. Sunglasses with UVA and UVB protection significantly reduce eye damage from sun exposure. Remember! The Sun's UV radiation can be magnified almost twofold by the reflection of snow.
Frequently asked questions
What is the average December temperature in Keene Mill Heights?
What are the most humid months in Keene Mill Heights?
What is the average humidity in December in Keene Mill Heights?
How much does it rain in Keene Mill Heights in December?
How many days does it snow in December in Keene Mill Heights?
What is the month with the shortest days in Keene Mill Heights?
How many hours of daylight does Keene Mill Heights have in December?
When are sunrise and sunset in December in Keene Mill Heights?
What is the month with the least sunshine in Keene Mill Heights?
How long on average sun shines in December in Keene Mill Heights?
What is the month with the lowest UV index in Keene Mill Heights?
What is the UV index reading in December in Keene Mill Heights?
Average temperature in December
Keene Mill Heights, VA
- Average high temperature in December: 45.7°F
The warmest month (with the highest average high temperature) is July (87.8°F).
The month with the lowest average high temperature is January (40.5°F).
- Average low temperature in December: 32.9°F
The month with the highest average low temperature is July (68.5°F).
The coldest month (with the lowest average low temperature) is January (26.8°F).
Average pressure in December
Keene Mill Heights, 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
Keene Mill Heights, VA
- Average wind speed in December: 6.4mph
The windiest month (with the highest average wind speed) is March (7.4mph).
The calmest months (with the lowest average wind speed) are July and August (4.8mph).
Average humidity in December
Keene Mill Heights, VA
- Average humidity in December: 77%
The months with the highest relative humidity are October and December (77%).
The month with the lowest relative humidity is July (71%).
Average rainfall in December
Keene Mill Heights, VA
- Average rainfall in December: 2.76"
The wettest month (with the highest rainfall) is August (3.94").
The driest month (with the least rainfall) is January (2.09").
Average rainfall days in December
Keene Mill Heights, VA
- Average rainfall days in December: 10.8 days
The month with the highest number of rainy days is May (18.4 days).
The month with the least rainy days is November (9.3 days).
Average snowfall in December
Keene Mill Heights, VA
- Average snowfall in December: 1.57"
The month with the highest snowfall is January (3.58").
The months with the least snowfall are May, June, July, August, September and October (0").
Average snowfall days in December
Keene Mill Heights, VA
- Average snowfall days in December: 2.4 days
The month with the highest number of snowfall days is January (5.2 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
Keene Mill Heights, 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 48min).
The months with the least sunshine are January, February and December (Average sunshine: 5h and 12min).
Average sunshine days in December
Keene Mill Heights, VA
- Average sunshine days in December: 16.8 days
The month with the most sunshine days is November (19.3 days).
The months with the least sunshine days are May and July (10.5 days).
Average UV index in December
Keene Mill Heights, 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
Keene Mill Heights, 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 30).
Average visibility in December
Keene Mill Heights, VA
- Average visibility in December: 6mi
The months with the highest visibility are January, February, March, April, June, July, August, September, October, November and December (6mi).
The month with the lowest visibility is May (5mi).
Keene Mill Heights, Virginia, USA
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