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 refreshing 57.4°F (14.1°C) in November to a fresh 50.2°F (10.1°C). An average minimum temperature of 38.3°F (3.5°C) marks the month of December in Grimstead.Humidity
The most humid month is December, with an average relative humidity of 78%.Rainfall
In Grimstead, Virginia, in December, it is raining for 12.2 days, with typically 2.6" (66mm) of accumulated precipitation. Throughout the year, there are 165.3 rainfall days, and 34.25" (870mm) of precipitation is accumulated.Snowfall
Months with snowfall in Grimstead are January through March, November and December. In Grimstead, Virginia, in December, snow falls for 1.1 days, with typically accumulated 0.51" (13mm) of snow. In Grimstead, during the entire year, snow falls for 8.3 days and aggregates up to 4.13" (105mm) of snow.Daylight
With an average of 9h and 36min of daylight, December has the shortest days of the year in Grimstead, Virginia.On the first day of December in Grimstead, sunrise is at 7:01 am and sunset at 4:47 pm. On the last day of the month, sunrise is at 7:19 am and sunset at 4:57 pm EST.
Sunshine
In Grimstead, the average sunshine in December is 5.4h.UV index
The months with the lowest UV index in Grimstead, Virginia, are January and December, with an average maximum UV index of 2. A UV Index value of 2, and less, symbolizes a minimal health vulnerability from unsafe exposure to UV radiation for the average person.Note: The daily maximum UV index of 2 in December interprets into the following advice:
Most individuals face no major issues with lengthy exposure to the sun, but children, infants, and individuals with fair skin always require protection. Exposing oneself to the midday Sun can be harmful due to the strong UV radiation; limit your time outside. On sunny days, it's ideal to wear sunglasses that filter out UVA and UVB rays. Take careful note! The UV radiation of the Sun can be nearly doubled by snow reflection.
Frequently asked questions
What is the temperature in December in Grimstead?
What is the most humid month in Grimstead?
What is the average humidity in December in Grimstead?
How much does it rain in Grimstead in December?
How much does it snow in Grimstead in December?
What is the month with the shortest days in Grimstead?
What is the average length of the day in December in Grimstead?
What time are sunrise and sunset in December in Grimstead?
How long on average sun shines in December in Grimstead?
What are the months with the lowest UV index in Grimstead?
How high is the UV index in December in Grimstead?
Average temperature in December
Grimstead, VA
- Average high temperature in December: 50.2°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 (45.1°F).
- Average low temperature in December: 38.3°F
The month with the highest average low temperature is July (72.3°F).
The coldest month (with the lowest average low temperature) is January (32.5°F).
Average pressure in December
Grimstead, VA
- Average pressure in December: 30.12"Hg
The month with the highest atmospheric pressure is November (30.13"Hg).
The month with the lowest atmospheric pressure is June (29.95"Hg).
Average wind speed in December
Grimstead, VA
- Average wind speed in December: 8mph
The windiest month (with the highest average wind speed) is April (9.5mph).
The calmest month (with the lowest average wind speed) is August (6.8mph).
Average humidity in December
Grimstead, 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 (72%).
Average rainfall in December
Grimstead, VA
- Average rainfall in December: 2.6"
The wettest month (with the highest rainfall) is August (3.62").
The driest month (with the least rainfall) is September (2.4").
Average rainfall days in December
Grimstead, VA
- Average rainfall days in December: 12.2 days
The month with the highest number of rainy days is May (17.6 days).
The month with the least rainy days is November (9.6 days).
Average snowfall in December
Grimstead, VA
- Average snowfall in December: 0.51"
The month with the highest snowfall is February (1.34").
The months with the least snowfall are April, May, June, July, August, September and October (0").
Average snowfall days in December
Grimstead, VA
- Average snowfall days in December: 1.1 days
The month with the highest number of snowfall days is January (3 days).
The months with the least snowfall days are April, May, June, July, August, September and October (0 days).
Average daylight in December /
Average sunshine in December
Grimstead, 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 2min
The month with the most sunshine is July (Average sunshine: 10h and 48min).
The month with the least sunshine is February (Average sunshine: 5h and 12min).
Average sunshine days in December
Grimstead, VA
- Average sunshine days in December: 17.4 days
The month with the most sunshine days is November (18.6 days).
The month with the least sunshine days is May (11.5 days).
Average UV index in December
Grimstead, VA
- Average UV index in December: 2
The months with the highest UV index are June and July (UV index 7).
The months with the lowest UV index are January and December (UV index 2).
Average cloud cover in December
Grimstead, VA
- Average cloud cover in December: 42
The month with the most cloud cover is March (Cloud cover 45).
The month with the least cloud cover is July (Cloud cover 28).
Average visibility in December
Grimstead, 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).
Grimstead, Virginia, USA
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