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 transition into December is accompanied by a slight temperature decrease, with the average high-temperature shifting from a fresh 52.5°F (11.4°C) in November to a frosty 44.2°F (6.8°C). Nighttime temperatures in Herald hover around an average low of 32°F (0°C) in December.Humidity
In Herald, Virginia, the average relative humidity in December is 81%.Rainfall
In Herald, in December, during 10.8 rainfall days, 3.11" (79mm) of precipitation is typically accumulated. In Herald, Virginia, during the entire year, the rain falls for 179.6 days and collects up to 38.7" (983mm) of precipitation.Snowfall
January through May, October through December are months with snowfall in Herald. In Herald, Virginia, during December, snow falls for 8.7 days and regularly aggregates up to 6.42" (163mm) of snow. In Herald, Virginia, during the entire year, snow falls for 45 days and aggregates up to 29.09" (739mm) of snow.Daylight
December has the shortest days of the year in Herald, Virginia, with an average of 9h and 42min of daylight.On the first day of December in Herald, sunrise is at 7:24 am and sunset at 5:13 pm. On the last day of the month, sunrise is at 7:42 am and sunset at 5:23 pm EST.
Sunshine
In Herald, the average sunshine in December is 4.3h.UV index
The months with the lowest UV index in Herald are January, February and December, with an average maximum UV index of 2. A UV Index value of 2, and less, symbolizes a low health risk from unprotected exposure to Sun's UV rays for the ordinary person.Note: The maximum daily UV index, 2 in December, converts into the following recommendations:
Long-term sun exposure is typically not a concern for most. However, those with sensitive skin, infants, and children must always have protection. The solar radiation around mid-day is intense; avoid the Sun and stay safe. Boost your sun resistance with garments that are densely woven yet spacious. Notice! The UV radiation of the Sun can be intensified nearly twofold due to the reflective quality of snow.
Frequently asked questions
How cold is December in Herald?
What is the average humidity in December in Herald?
How much does it rain in Herald in December?
How much does it snow in Herald in December?
What is the month with the shortest days in Herald?
How many hours of daylight does Herald have in December?
When is the sunrise / sunset in December in Herald?
How many hours of sunshine does Herald have in December?
What is the month with the lowest UV index in Herald?
How high is the UV index in December in Herald?
Average temperature in December
Herald, VA
- Average high temperature in December: 44.2°F
The warmest month (with the highest average high temperature) is July (82.9°F).
The month with the lowest average high temperature is January (39.4°F).
- Average low temperature in December: 32°F
The month with the highest average low temperature is July (61°F).
The coldest month (with the lowest average low temperature) is January (25.5°F).
Average pressure in December
Herald, VA
- Average pressure in December: 30.15"Hg
The months with the highest atmospheric pressure are January and November (30.16"Hg).
The month with the lowest atmospheric pressure is June (29.99"Hg).
Average wind speed in December
Herald, VA
- Average wind speed in December: 6.1mph
The windiest month (with the highest average wind speed) is April (7mph).
The calmest month (with the lowest average wind speed) is August (4mph).
Average humidity in December
Herald, VA
- Average humidity in December: 81%
The month with the highest relative humidity is February (82%).
The months with the lowest relative humidity are April and November (77%).
Average rainfall in December
Herald, VA
- Average rainfall in December: 3.11"
The wettest month (with the highest rainfall) is July (3.94").
The driest months (with the least rainfall) are September and November (2.52").
Average rainfall days in December
Herald, VA
- Average rainfall days in December: 10.8 days
The month with the highest number of rainy days is May (20.8 days).
The month with the least rainy days is February (9.4 days).
Average snowfall in December
Herald, VA
- Average snowfall in December: 6.42"
The month with the highest snowfall is February (6.85").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in December
Herald, VA
- Average snowfall days in December: 8.7 days
The month with the highest number of snowfall days is January (11.4 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Herald, 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 42min).
- Average sunshine in December: 4h and 2min
The months with the most sunshine are June and August (Average sunshine: 9h and 30min).
The month with the least sunshine is January (Average sunshine: 4h and 6min).
Average sunshine days in December
Herald, VA
- Average sunshine days in December: 14 days
The month with the most sunshine days is November (16.5 days).
The month with the least sunshine days is May (9 days).
Average UV index in December
Herald, VA
- Average UV index in December: 2
The months with the highest UV index are June 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
Herald, VA
- Average cloud cover in December: 59
The month with the most cloud cover is February (Cloud cover 63).
The month with the least cloud cover is August (Cloud cover 39).
Average visibility in December
Herald, VA
- Average visibility in December: 5mi
The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (5mi).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (5mi).
Herald, Virginia, USA
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