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
With the beginning of December, the average high-temperature shows a decrease, transitioning from a chilly 49.8°F (9.9°C) in November to an icy 40.1°F (4.5°C). In Oakland, the expected average low-temperature for December is a subzero cold 28.9°F (-1.7°C).Humidity
February and December, with an average relative humidity of 80%, are the most humid months.Rainfall
In Oakland, in December, during 9.1 rainfall days, 2.48" (63mm) of precipitation is typically accumulated. In Oakland, during the entire year, the rain falls for 148.6 days and collects up to 26.18" (665mm) of precipitation.Snowfall
Months with snowfall in Oakland are January through May, October through December. In Oakland, in December, during 4.1 snowfall days, 2.6" (66mm) of snow is typically accumulated. Throughout the year, in Oakland, there are 25.5 snowfall days, and 15.83" (402mm) of snow is accumulated.Daylight
December has the shortest days of the year in Oakland, with an average of 9h and 18min of daylight.On the first day of December, sunrise is at 7:03 am and sunset at 4:29 pm. On the last day of the month, sunrise is at 7:21 am and sunset at 4:38 pm EST.
Sunshine
In December, the average sunshine is 4.7h.UV index
The months with the lowest UV index are January through March, 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 unsafe exposure to UV radiation for the ordinary person.Note: The average daily UV index of 2 in December transforms into the following instructions:
Babies, children, and individuals with sensitive skin should always have protection against extended sun exposure. Sun's radiation is most powerful around mid-day, so it's best to limit outdoor activities during this time. On sunny days, it's ideal to wear sunglasses that filter out UVA and UVB rays. Foresee this! The reflection from snow can nearly double the intensity of UV radiation from the Sun.
Frequently asked questions
How cold does it get in Oakland in December?
What are the most humid months in Oakland?
What is the average humidity in December in Oakland?
How many days does it rain in December in Oakland?
How much does it snow in Oakland in December?
What is the month with the shortest days in Oakland?
What is the average length of the day in December in Oakland?
When are sunrise and sunset in December in Oakland?
How many hours of sunshine does Oakland have in December?
What is the month with the lowest UV index in Oakland?
What is the UV index intensity in December in Oakland?
Average temperature in December
Oakland, NJ
- Average high temperature in December: 40.1°F
The warmest month (with the highest average high temperature) is July (83.8°F).
The month with the lowest average high temperature is January (34.5°F).
- Average low temperature in December: 28.9°F
The month with the highest average low temperature is July (64.6°F).
The coldest month (with the lowest average low temperature) is January (21.6°F).
Average pressure in December
Oakland, NJ
- Average pressure in December: 30.07"Hg
The month with the highest atmospheric pressure is November (30.11"Hg).
The month with the lowest atmospheric pressure is June (29.93"Hg).
Average wind speed in December
Oakland, NJ
- Average wind speed in December: 7.2mph
The windiest month (with the highest average wind speed) is March (8mph).
The calmest month (with the lowest average wind speed) is August (5.1mph).
Average humidity in December
Oakland, NJ
- Average humidity in December: 80%
The months with the highest relative humidity are February and December (80%).
The months with the lowest relative humidity are April, July and August (74%).
Average rainfall in December
Oakland, NJ
- Average rainfall in December: 2.48"
The wettest month (with the highest rainfall) is July (2.91").
The driest month (with the least rainfall) is September (1.5").
Average rainfall days in December
Oakland, NJ
- Average rainfall days in December: 9.1 days
The month with the highest number of rainy days is May (17.2 days).
The month with the least rainy days is January (6.6 days).
Average snowfall in December
Oakland, NJ
- Average snowfall in December: 2.6"
The month with the highest snowfall is March (4.25").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in December
Oakland, NJ
- Average snowfall days in December: 4.1 days
The month with the highest number of snowfall days is February (7.3 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Oakland, NJ
- Average daylight in December: 9h and 2min
The month with the longest days is June (Average daylight: 15h and 6min).
The month with the shortest days is December (Average daylight: 9h and 18min).
- Average sunshine in December: 4h and 4min
The month with the most sunshine is July (Average sunshine: 10h and 12min).
The month with the least sunshine is February (Average sunshine: 4h and 24min).
Average sunshine days in December
Oakland, NJ
- Average sunshine days in December: 17.7 days
The month with the most sunshine days is November (19.7 days).
The month with the least sunshine days is June (11.9 days).
Average UV index in December
Oakland, NJ
- Average UV index in December: 2
The months with the highest UV index are June, July and August (UV index 6).
The months with the lowest UV index are January, February, March, November and December (UV index 2).
Average cloud cover in December
Oakland, NJ
- Average cloud cover in December: 50
The month with the most cloud cover is February (Cloud cover 51).
The month with the least cloud cover is August (Cloud cover 35).
Average visibility in December
Oakland, NJ
- Average visibility in December: 6mi
The months with the highest visibility are January, March, April, July, August, October, November and December (6mi).
The months with the lowest visibility are February, May, June and September (5mi).
Oakland, New Jersey, USA
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