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
As December commences, the average high-temperature subtly reduces, transitioning from a frosty 45.7°F (7.6°C) in November to an icy 37.6°F (3.1°C). Nighttime temperature experiences an average drop to a subzero cold 25.7°F (-3.5°C) in December.Humidity
In December, the average relative humidity in Monterey is 85%.Rainfall
In Monterey, during December, the rain falls for 8.5 days and regularly aggregates up to 1.85" (47mm) of precipitation. Throughout the year, there are 153.4 rainfall days, and 23.23" (590mm) of precipitation is accumulated.Snowfall
Months with snowfall are January through May, October through December. In December, it is snowing for 14.8 days. Throughout December, 5.63" (143mm) of snow is accumulated. Throughout the year, in Monterey, there are 80.8 snowfall days, and 36.5" (927mm) of snow is accumulated.Daylight
With an average of 9h and 30min of daylight, December has the shortest days of the year.On the first day of the month, sunrise is at 7:17 am and sunset at 4:58 pm. On the last day of December, sunrise is at 7:35 am and sunset at 5:07 pm EST.
Sunshine
In Monterey, the average sunshine in December is 3.8h.UV index
December is the month with the lowest UV index in Monterey, Virginia, with an average maximum UV index of 1. A UV Index estimate of 2, and below, represents a minimal health hazard from unprotected exposure to Sun's UV rays for the ordinary person.Note: In December, the maximum UV index of 1 transforms into these recommendations:
While most can endure approximately an hour in the sun without burning, children always require protection from sunlight. The most potent solar radiation is around mid-day, so one should minimize exposure to direct sunlight during this period. Equip yourself with UVA and UVB-filtering sunglasses on clear, sunny days. Warning! The reflection from snow can nearly magnify the Sun's UV radiation twofold.
Frequently asked questions
Is it cold in Monterey during December?
What is the average humidity in December in Monterey?
How many days does it rain in December in Monterey?
How much does it snow in Monterey in December?
What is the month with the shortest days in Monterey?
What is the average length of the day in December in Monterey?
When is the sunrise / sunset in December in Monterey?
How long on average sun shines in December in Monterey?
When is the lowest UV index in Monterey?
What is the UV index intensity in December in Monterey?
Average temperature in December
Monterey, VA
- Average high temperature in December: 37.6°F
The warmest month (with the highest average high temperature) is July (75.9°F).
The month with the lowest average high temperature is January (31.6°F).
- Average low temperature in December: 25.7°F
The month with the highest average low temperature is July (55.8°F).
The coldest month (with the lowest average low temperature) is January (18.3°F).
Average pressure in December
Monterey, VA
- Average pressure in December: 30.13"Hg
The month with the highest atmospheric pressure is November (30.15"Hg).
The month with the lowest atmospheric pressure is June (29.97"Hg).
Average wind speed in December
Monterey, VA
- Average wind speed in December: 7.6mph
The windiest month (with the highest average wind speed) is February (8.6mph).
The calmest month (with the lowest average wind speed) is August (4.2mph).
Average humidity in December
Monterey, VA
- Average humidity in December: 85%
The month with the highest relative humidity is February (87%).
The month with the lowest relative humidity is June (80%).
Average rainfall in December
Monterey, VA
- Average rainfall in December: 1.85"
The wettest month (with the highest rainfall) is May (2.72").
The driest month (with the least rainfall) is November (1.3").
Average rainfall days in December
Monterey, VA
- Average rainfall days in December: 8.5 days
The month with the highest number of rainy days is May (20.1 days).
The month with the least rainy days is February (6.7 days).
Average snowfall in December
Monterey, VA
- Average snowfall in December: 5.63"
The month with the highest snowfall is January (7.64").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in December
Monterey, VA
- Average snowfall days in December: 14.8 days
The month with the highest number of snowfall days is January (18.4 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Monterey, 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: 3h and 5min
The month with the most sunshine is June (Average sunshine: 9h and 12min).
The month with the least sunshine is January (Average sunshine: 3h and 30min).
Average sunshine days in December
Monterey, VA
- Average sunshine days in December: 10.2 days
The month with the most sunshine days is October (14.6 days).
The month with the least sunshine days is May (7.7 days).
Average UV index in December
Monterey, VA
- Average UV index in December: 1
The months with the highest UV index are June, July and August (UV index 5).
The month with the lowest UV index is December (UV index 1).
Average cloud cover in December
Monterey, VA
- Average cloud cover in December: 64
The month with the most cloud cover is January (Cloud cover 68).
The months with the least cloud cover are June, July and August (Cloud cover 47).
Average visibility in December
Monterey, VA
- Average visibility in December: 4mi
The months with the highest visibility are April and November (5mi).
The months with the lowest visibility are January, February, March, May, June, July, August, September, October and December (4mi).
Monterey, Virginia, USA
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