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
December's arrival aligns with a minor decrease in average high-temperatures, from November's mild 55.9°F (13.3°C) to a frosty 47.8°F (8.8°C). Lake Monticello experiences an average low-temperature reading of 32.9°F (0.5°C) throughout December.Humidity
The most humid month is December, with an average relative humidity of 77%.Rainfall
In December, the rain falls for 9.4 days. Throughout December, 2.32" (59mm) of precipitation is accumulated. In Lake Monticello, during the entire year, the rain falls for 142.4 days and collects up to 25.51" (648mm) of precipitation.Snowfall
Months with snowfall in Lake Monticello are January through April, November and December. In December, in Lake Monticello, it is snowing for 1.5 days. Throughout December, 1.5" (38mm) of snow is accumulated. Throughout the year, there are 11.9 snowfall days, and 8.74" (222mm) of snow is accumulated.Daylight
December has the shortest days of the year in Lake Monticello, with an average of 9h and 36min of daylight.On the first day of the month, sunrise is at 7:10 am and sunset at 4:54 pm. On the last day of December, sunrise is at 7:28 am and sunset at 5:04 pm EST.
Sunshine
December has the least sunshine of the year in Lake Monticello, with an average of 5.4h of sunshine.UV index
The months with the lowest UV index in Lake Monticello are January, 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 average person.Note: In December, the maximum UV index of 2 suggests these recommendations:
For the majority, extended sun exposure is not of great concern. Infants and people with sensitive skin must always be protected. Stay safe from the Sun's strongest UV rays by limiting exposure during midday. On sunny days, it's ideal to wear sunglasses that filter out UVA and UVB rays. Take note! UV radiation from the Sun can double in intensity due to snow reflection.
Frequently asked questions
What is the usual temperature for Lake Monticello in December?
What is the most humid month in Lake Monticello?
What is the average humidity in December in Lake Monticello?
How much does it rain in Lake Monticello in December?
How many days does it snow in December in Lake Monticello?
What is the month with the shortest days in Lake Monticello?
What is the average length of the day in December in Lake Monticello?
What time are sunrise and sunset in December in Lake Monticello?
What is the month with the least sunshine in Lake Monticello?
How long on average sun shines in December in Lake Monticello?
What is the month with the lowest UV index in Lake Monticello?
How high is the UV index in December in Lake Monticello?
Average temperature in December
Lake Monticello, VA
- Average high temperature in December: 47.8°F
The warmest month (with the highest average high temperature) is July (89.6°F).
The month with the lowest average high temperature is January (43°F).
- Average low temperature in December: 32.9°F
The month with the highest average low temperature is July (65.8°F).
The coldest month (with the lowest average low temperature) is January (27.7°F).
Average pressure in December
Lake Monticello, VA
- Average pressure in December: 30.12"Hg
The month with the highest atmospheric pressure is November (30.15"Hg).
The month with the lowest atmospheric pressure is June (29.96"Hg).
Average wind speed in December
Lake Monticello, VA
- Average wind speed in December: 5.2mph
The windiest month (with the highest average wind speed) is April (6.5mph).
The calmest month (with the lowest average wind speed) is August (4.3mph).
Average humidity in December
Lake Monticello, VA
- Average humidity in December: 77%
The month with the highest relative humidity is December (77%).
The month with the lowest relative humidity is July (69%).
Average rainfall in December
Lake Monticello, VA
- Average rainfall in December: 2.32"
The wettest month (with the highest rainfall) is April (2.76").
The driest month (with the least rainfall) is September (1.57").
Average rainfall days in December
Lake Monticello, VA
- Average rainfall days in December: 9.4 days
The month with the highest number of rainy days is May (16.2 days).
The month with the least rainy days is January (8.6 days).
Average snowfall in December
Lake Monticello, VA
- Average snowfall in December: 1.5"
The month with the highest snowfall is February (2.32").
The months with the least snowfall are May, June, July, August, September and October (0").
Average snowfall days in December
Lake Monticello, VA
- Average snowfall days in December: 1.5 days
The month with the highest number of snowfall days is January (3.8 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
Lake Monticello, VA
- Average daylight in December: 9h and 4min
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 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 December (Average sunshine: 5h and 24min).
Average sunshine days in December
Lake Monticello, VA
- Average sunshine days in December: 20.4 days
The month with the most sunshine days is December (20.4 days).
The month with the least sunshine days is May (13.1 days).
Average UV index in December
Lake Monticello, 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, November and December (UV index 2).
Average cloud cover in December
Lake Monticello, VA
- Average cloud cover in December: 41
The month with the most cloud cover is March (Cloud cover 45).
The month with the least cloud cover is July (Cloud cover 30).
Average visibility in December
Lake Monticello, VA
- Average visibility in December: 5mi
The months with the highest visibility are January, February, March, April, June, July, August, October and November (6mi).
The months with the lowest visibility are May, September and December (5mi).
Lake Monticello, Virginia, USA
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