December weather forecastLavallette, NJ
December
Weather in December
The first month of the winter, December, is still a chilly month in Lavallette, New Jersey, with an average temperature varying between 37.8°F (3.2°C) and 45.1°F (7.3°C).Temperature
December signifies a minor drop in average high-temperature, transitioning from a fresh 53.2°F (11.8°C) in November to a chilly 45.1°F (7.3°C). An average temperature of 37.8°F (3.2°C) is logged during the nights of December, a small step down from daytime highs.Humidity
In December, the average relative humidity in Lavallette is 76%.Rainfall
December is the month with the most rainfall. Rain falls for 11.8 days and accumulates 3.7" (94mm) of precipitation.Snowfall
January through April, November and December are months with snowfall. In Lavallette, New Jersey, in December, snow falls for 1.9 days, with typically accumulated 1.1" (28mm) of snow. Throughout the year, there are 13.1 snowfall days, and 4.65" (118mm) of snow is accumulated.Ocean temperature
In Lavallette, in December, the average water temperature is 48.6°F (9.2°C).Note: Danger awaits those who swim in 48.6°F (9.2°C) without protection. Falling below 50°F (10°C) means intense cold shock and hyperventilation.
Daylight
With an average of 9h and 24min of daylight, December has the shortest days of the year in Lavallette.On the first day of the month, sunrise is at 6:59 am and sunset at 4:31 pm. On the last day of December, in Lavallette, New Jersey, sunrise is at 7:17 am and sunset at 4:41 pm EST.
Sunshine
In December, the average sunshine in Lavallette is 5.1h.UV index
The months with the lowest UV index are January through March and December, with an average maximum UV index of 2. A UV Index value of 2, and less, symbolizes a minimal health hazard from exposure to the Sun's UV rays for the ordinary person.Note: In December, an average UV index of 2 transforms into the following instructions:
Long-term sun exposure is typically not a concern for most. However, those with sensitive skin, infants, and children must always have protection. The midday Sun can be harmful due to its potent UV radiation; seek shade and reduce exposure. On days when the sun blazes, arm yourself with sunglasses that block UVA and UVB radiation. Attention! Nearly twice the Sun's UV radiation can be reflected by snow.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Lavallette, NJ
- Average high temperature in December: 45.1°F
The warmest month (with the highest average high temperature) is July (79.2°F).
The month with the lowest average high temperature is January (39°F).
- Average low temperature in December: 37.8°F
The month with the highest average low temperature is August (71.6°F).
The coldest month (with the lowest average low temperature) is January (30.2°F).
Average pressure in December
Lavallette, 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
Lavallette, NJ
- Average wind speed in December: 12.9mph
The windiest month (with the highest average wind speed) is January (13.5mph).
The calmest month (with the lowest average wind speed) is July (8.8mph).
Average humidity in December
Lavallette, NJ
- Average humidity in December: 76%
The months with the highest relative humidity are May and June (81%).
The months with the lowest relative humidity are January and November (74%).
Average rainfall in December
Lavallette, NJ
- Average rainfall in December: 3.7"
The wettest month (with the highest rainfall) is December (3.7").
The driest month (with the least rainfall) is January (2.01").
Average rainfall days in December
Lavallette, NJ
- Average rainfall days in December: 11.8 days
The month with the highest number of rainy days is July (16.3 days).
The month with the least rainy days is January (9 days).
Average snowfall in December
Lavallette, NJ
- Average snowfall in December: 1.1"
The month with the highest snowfall is January (1.34").
The months with the least snowfall are May, June, July, August, September and October (0").
Average snowfall days in December
Lavallette, NJ
- Average snowfall days in December: 1.9 days
The month with the highest number of snowfall days is January (4.4 days).
The months with the least snowfall days are May, June, July, August, September and October (0 days).
Average sea temperature in December
Lavallette, NJ
- Average sea temperature in December: 48.5°F
The best month for swimming (with the highest average sea temperature) is August (75.8°F).
The coldest month (with the lowest average sea temperature) is February (40.8°F).
Average daylight in December /
Average sunshine in December
Lavallette, NJ
- Average daylight in December: 9h and 24min
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 24min).
- Average sunshine in December: 5h and 6min
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
Lavallette, NJ
- Average sunshine days in December: 15.9 days
The month with the most sunshine days is November (18.2 days).
The month with the least sunshine days is July (13.1 days).
Average UV index in December
Lavallette, 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 and December (UV index 2).
Average cloud cover in December
Lavallette, NJ
- Average cloud cover in December: 47
The month with the most cloud cover is February (Cloud cover 48).
The months with the least cloud cover are July and August (Cloud cover 28).
Average visibility in December
Lavallette, 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).
