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
The arrival of December suggests a slight decrease in the average high-temperature, moving from a fresh 52.3°F (11.3°C) in November to a frosty 44.2°F (6.8°C). Navesink maintains a minor drop in temperature during December nights, with averages of 36°F (2.2°C).Humidity
The average relative humidity in December is 75%.Rainfall
In Navesink, in December, during 9.2 rainfall days, 1.18" (30mm) of precipitation is typically accumulated. In Navesink, during the entire year, the rain falls for 125.1 days and collects up to 12.64" (321mm) of precipitation.Snowfall
Months with snowfall are January through March, October and December. The month with the most snowfall is December, when snow falls for 3.3 days and typically aggregates up to 0.47" (12mm) of snow.Daylight
With an average of 9h and 18min of daylight, December has the shortest days of the year.On the first day of the month, sunrise is at 7:00 am and sunset at 4:30 pm. On the last day of December, sunrise is at 7:19 am and sunset at 4:39 pm EST.
Sunshine
The average sunshine in December is 5.1h.UV index
The months with the lowest UV index are January, February, November and December, with an average maximum UV index of 2. A UV Index of 2, and less, symbolizes a low health risk from unsafe exposure to UV radiation for the average person.Note: In December, the maximum UV index of 2 translates into these guidelines:
Though extended exposure to the sun typically does not concern most people, it is crucial to always shield children, infants, and those with sensitive skin. To protect against the Sun's most potent rays, avoid direct exposure around midday. Select sunglasses that boast both UVA and UVB protection to limit the adverse effects of the sun on the eyes. Guard yourself! Snow reflection can almost double the UV radiation from the Sun.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Is December cold?
What is the average humidity in December?
How much does it rain in December?
What is the snowiest month?
When does it start snowing?
What is the month with the shortest days?
How many hours of daylight does Navesink have in December?
What time are sunrise and sunset in December?
How long on average sun shines in December?
What are the months with the lowest UV index?
How high is the UV index in December?
Average temperature in December
Navesink, NJ
- Average high temperature in December: 44.2°F
The warmest month (with the highest average high temperature) is July (80.2°F).
The month with the lowest average high temperature is January (37.9°F).
- Average low temperature in December: 36°F
The month with the highest average low temperature is July (71.2°F).
The coldest month (with the lowest average low temperature) is January (28.8°F).
Average pressure in December
Navesink, NJ
- Average pressure in December: 30.08"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
Navesink, NJ
- Average wind speed in December: 11.7mph
The windiest month (with the highest average wind speed) is January (12.4mph).
The calmest month (with the lowest average wind speed) is July (7.9mph).
Average humidity in December
Navesink, NJ
- Average humidity in December: 75%
The months with the highest relative humidity are May and June (79%).
The month with the lowest relative humidity is November (73%).
Average rainfall in December
Navesink, NJ
- Average rainfall in December: 1.18"
The wettest month (with the highest rainfall) is July (1.61").
The driest month (with the least rainfall) is January (0.63").
Average rainfall days in December
Navesink, NJ
- Average rainfall days in December: 9.2 days
The month with the highest number of rainy days is July (15.1 days).
The month with the least rainy days is January (6.5 days).
Average snowfall in December
Navesink, NJ
- Average snowfall in December: 0.47"
The month with the highest snowfall is December (0.47").
The months with the least snowfall are April, May, June, July, August, September and November (0").
Average snowfall days in December
Navesink, NJ
- Average snowfall days in December: 3.3 days
The month with the highest number of snowfall days is January (3.9 days).
The months with the least snowfall days are April, May, June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Navesink, NJ
- Average daylight in December: 9h and 2min
The month with the longest days is June (Average daylight: 15h and 0min).
The month with the shortest days is December (Average daylight: 9h and 18min).
- 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
Navesink, NJ
- Average sunshine days in December: 19.1 days
The month with the most sunshine days is November (21.6 days).
The month with the least sunshine days is July (13 days).
Average UV index in December
Navesink, 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, November and December (UV index 2).
Average cloud cover in December
Navesink, NJ
- Average cloud cover in December: 46
The month with the most cloud cover is February (Cloud cover 47).
The months with the least cloud cover are July and August (Cloud cover 28).
Average visibility in December
Navesink, 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).
Navesink, New Jersey, USA
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