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
Oak Valley in December experiences a subtle temperature decline, with average high-temperatures reducing from a cool 53.2°F (11.8°C) in November to a frosty 44.1°F (6.7°C). Nighttime temperature experiences an average drop to an icy 32.9°F (0.5°C) in December.Humidity
The months with the highest humidity in Oak Valley are October and December, with an average relative humidity of 77%.Rainfall
In Oak Valley, during December, the rain falls for 7.1 days and regularly aggregates up to 0.91" (23mm) of precipitation. Throughout the year, in Oak Valley, New Jersey, there are 113.4 rainfall days, and 9.25" (235mm) of precipitation is accumulated.Snowfall
January through April, November and December are months with snowfall. In Oak Valley, during December, snow falls for 1.7 days and regularly aggregates up to 0.12" (3mm) of snow. Throughout the year, there are 10.9 snowfall days, and 1.65" (42mm) of snow is accumulated.Daylight
The month with the shortest days is December, with an average of 9h and 24min of daylight.On the first day of December in Oak Valley, sunrise is at 7:03 am and sunset at 4:36 pm. On the last day of the month, sunrise is at 7:21 am and sunset at 4:46 pm EST.
Sunshine
The average sunshine in December in Oak Valley is 5.1h.UV index
The months with the lowest UV index in Oak Valley, New Jersey, are January, February, November and December, with an average maximum UV index of 2. A UV Index estimate of 2, and below, represents a minimal health vulnerability from exposure to the Sun's UV radiation for average individuals.Note: The average daily UV index of 2 in December transforms into the following instructions:
Infants, children, and people with sensitive skin should always have protection against lengthy periods of sun exposure. Being exposed to the midday Sun can have harmful effects due to strong UV radiation; always take precautions. To mitigate harm from sun exposure, pick sunglasses offering UVA and UVB defense. Observe! Snow reflection can nearly intensify the Sun's UV radiation twofold.
Frequently asked questions
How cold is December in Oak Valley?
What are the most humid months in Oak Valley?
What is the average humidity in December in Oak Valley?
How much does it rain in Oak Valley in December?
How many days does it snow in December in Oak Valley?
What is the month with the shortest days in Oak Valley?
How many hours of daylight does Oak Valley have in December?
What time are sunrise and sunset in December in Oak Valley?
How long on average sun shines in December in Oak Valley?
What is the month with the lowest UV index in Oak Valley?
What is the UV index intensity in December in Oak Valley?
Average temperature in December
Oak Valley, NJ
- Average high temperature in December: 44.1°F
The warmest month (with the highest average high temperature) is July (85.6°F).
The month with the lowest average high temperature is January (37.9°F).
- Average low temperature in December: 32.9°F
The month with the highest average low temperature is July (69.1°F).
The coldest month (with the lowest average low temperature) is January (26.1°F).
Average pressure in December
Oak Valley, NJ
- Average pressure in December: 30.09"Hg
The month with the highest atmospheric pressure is November (30.12"Hg).
The month with the lowest atmospheric pressure is June (29.94"Hg).
Average wind speed in December
Oak Valley, NJ
- Average wind speed in December: 7.8mph
The windiest months (with the highest average wind speed) are March and April (8.6mph).
The calmest month (with the lowest average wind speed) is August (5.6mph).
Average humidity in December
Oak Valley, NJ
- Average humidity in December: 77%
The months with the highest relative humidity are October and December (77%).
The month with the lowest relative humidity is April (71%).
Average rainfall in December
Oak Valley, NJ
- Average rainfall in December: 0.91"
The wettest month (with the highest rainfall) is August (1.1").
The driest month (with the least rainfall) is January (0.51").
Average rainfall days in December
Oak Valley, NJ
- Average rainfall days in December: 7.1 days
The month with the highest number of rainy days is July (13.2 days).
The month with the least rainy days is November (6.3 days).
Average snowfall in December
Oak Valley, NJ
- Average snowfall in December: 0.12"
The month with the highest snowfall is February (0.59").
The months with the least snowfall are May, June, July, August, September and October (0").
Average snowfall days in December
Oak Valley, NJ
- Average snowfall days in December: 1.7 days
The month with the highest number of snowfall days is January (3.5 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
Oak Valley, NJ
- Average daylight in December: 9h and 2min
The month with the longest days is June (Average daylight: 14h and 54min).
The month with the shortest days is December (Average daylight: 9h and 24min).
- Average sunshine in December: 5h and 1min
The month with the most sunshine is July (Average sunshine: 10h and 48min).
The month with the least sunshine is February (Average sunshine: 4h and 54min).
Average sunshine days in December
Oak Valley, NJ
- Average sunshine days in December: 22 days
The month with the most sunshine days is November (22.5 days).
The month with the least sunshine days is July (14.7 days).
Average UV index in December
Oak Valley, NJ
- 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, February, November and December (UV index 2).
Average cloud cover in December
Oak Valley, NJ
- Average cloud cover in December: 45
The months with the most cloud cover are February and March (Cloud cover 46).
The month with the least cloud cover is July (Cloud cover 29).
Average visibility in December
Oak Valley, NJ
- 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).
Oak Valley, New Jersey, USA
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