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
In Spring Grove, the average high-temperature in December slightly decreases from a mild 58.3°F (14.6°C) in November to a fresh 51.1°F (10.6°C). An average low-temperature of 36.5°F (2.5°C) is observed during December nights in Spring Grove.Humidity
December is the most humid month in Spring Grove, with an average relative humidity of 79%.Rainfall
In December, in Spring Grove, the rain falls for 9.7 days. Throughout December, 1.1" (28mm) of precipitation is accumulated. Throughout the year, in Spring Grove, there are 132.9 rainfall days, and 15.59" (396mm) of precipitation is accumulated.Snowfall
Months with snowfall in Spring Grove are January through March, November and December. In Spring Grove, during December, snow falls for 0.8 days and regularly aggregates up to 0.2" (5mm) of snow. Throughout the year, there are 7.3 snowfall days, and 1.69" (43mm) of snow is accumulated.Daylight
The month with the shortest days is December, with an average of 9h and 42min of daylight.On the first day of December in Spring Grove, sunrise is at 7:03 am and sunset at 4:50 pm. On the last day of the month, sunrise is at 7:21 am and sunset at 5:00 pm EST.
Sunshine
In Spring Grove, the average sunshine in December is 5.3h.UV index
The months with the lowest UV index in Spring Grove 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 exposure to the Sun's UV radiation for the average person.Note: The UV index of 2 during December translates into the following guidance:
For the majority, extended sun exposure is not of great concern. Infants and people with sensitive skin must always be protected. Sun exposure should be minimized, especially during midday, to avoid harmful UV radiation. Wearing sunglasses with both UVA and UVB protection effectively reduces sun-induced eye damage. Heads up! The UV radiation from the Sun can almost be doubled by snow reflection.
Frequently asked questions
What is the usual temperature for Spring Grove in December?
What is the most humid month in Spring Grove?
What is the average humidity in December in Spring Grove?
How many days does it rain in December in Spring Grove?
How much does it snow in Spring Grove in December?
What is the month with the shortest days in Spring Grove?
What is the average length of the day in December in Spring Grove?
When is the sunrise / sunset in December in Spring Grove?
How long on average sun shines in December in Spring Grove?
What are the months with the lowest UV index in Spring Grove?
What is the UV index reading in December in Spring Grove?
Average temperature in December
Spring Grove, VA
- Average high temperature in December: 51.1°F
The warmest month (with the highest average high temperature) is July (89.4°F).
The month with the lowest average high temperature is January (46°F).
- Average low temperature in December: 36.5°F
The month with the highest average low temperature is July (69.6°F).
The coldest month (with the lowest average low temperature) is January (30.9°F).
Average pressure in December
Spring Grove, VA
- Average pressure in December: 30.12"Hg
The month with the highest atmospheric pressure is November (30.14"Hg).
The month with the lowest atmospheric pressure is June (29.96"Hg).
Average wind speed in December
Spring Grove, VA
- Average wind speed in December: 6.6mph
The windiest month (with the highest average wind speed) is April (8.3mph).
The calmest month (with the lowest average wind speed) is August (5.5mph).
Average humidity in December
Spring Grove, VA
- Average humidity in December: 79%
The month with the highest relative humidity is December (79%).
The month with the lowest relative humidity is July (74%).
Average rainfall in December
Spring Grove, VA
- Average rainfall in December: 1.1"
The wettest month (with the highest rainfall) is August (2.13").
The driest month (with the least rainfall) is January (0.98").
Average rainfall days in December
Spring Grove, VA
- Average rainfall days in December: 9.7 days
The month with the highest number of rainy days is May (15.6 days).
The month with the least rainy days is November (7.5 days).
Average snowfall in December
Spring Grove, VA
- Average snowfall in December: 0.2"
The month with the highest snowfall is February (0.79").
The months with the least snowfall are April, May, June, July, August, September and October (0").
Average snowfall days in December
Spring Grove, VA
- Average snowfall days in December: 0.8 days
The month with the highest number of snowfall days is February (2.5 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
Spring Grove, 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: 5h and 2min
The month with the most sunshine is July (Average sunshine: 10h and 30min).
The month with the least sunshine is February (Average sunshine: 5h and 12min).
Average sunshine days in December
Spring Grove, VA
- Average sunshine days in December: 19.3 days
The month with the most sunshine days is November (20.8 days).
The month with the least sunshine days is May (13.3 days).
Average UV index in December
Spring Grove, 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 and December (UV index 2).
Average cloud cover in December
Spring Grove, VA
- Average cloud cover in December: 44
The month with the most cloud cover is March (Cloud cover 47).
The month with the least cloud cover is July (Cloud cover 33).
Average visibility in December
Spring Grove, VA
- Average visibility in December: 6mi
The months with the highest visibility are January, February, March, April, June, July, October, November and December (6mi).
The months with the lowest visibility are May, August and September (5mi).
Spring Grove, Virginia, USA
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