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 sea temperature 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
December signals a slight drop in average high-temperature, sliding from November's fresh 53.6°F (12°C) to a frosty 46°F (7.8°C). Ship Bottom's nighttime average temperature in December subtly descends to a cold 37.9°F (3.3°C) from the daily highs.Humidity
The average relative humidity in December is 76%.Rainfall
The wettest months are July and December, with an average 1.14" (29mm) of rainfall.Snowfall
Months with snowfall are January through March and December. December is the first month it typically snows. Throughout December, in the average 1.8 snowfall days, it receives 0.59" (15mm) of snow. In Ship Bottom, during the entire year, snow falls for 10.7 days and aggregates up to 2.36" (60mm) of snow.Ocean temperature
In December, the average ocean temperature is 48.6°F (9.2°C).Note: At temperatures below 50°F (10°C), swimming in a suitably protected swimsuit is feasible; otherwise, cold shock and loss of breathing control are imminent. Even a short swim, without thermal protection, at temperatures around 55.4°F (13°C) is not comfortable.
Daylight
The month with the shortest days is December, with an average of 9h and 24min of daylight.On the first day of December, sunrise is at 6:58 am and sunset at 4:33 pm. On the last day of the month, sunrise is at 7:17 am and sunset at 4:42 pm EST.
Sunshine
The average sunshine in December is 5.3h.UV index
January, February and December, with an average maximum UV index of 2, are months with the lowest UV index. A UV Index of 2, and less, symbolizes a low health risk from exposure to the Sun's UV radiation for average individuals.Note: During December, 2 as the daily maximum UV index converts into the following advice:
Unlike children, who always need sun protection, most individuals can remain in the sun for up to an hour without getting burnt. Midday is the peak time for the Sun's radiation; stay in the shade and protect yourself. Sun-protective clothing, a long-sleeved shirt and pants, a wide-brimmed hat, and UVA and UVB-blocking sunglasses are particularly helpful in blocking UV radiation's harmful effects. Take warning! The intensity of the Sun's UV radiation can be nearly amplified twice due to snow reflection.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What are December temperatures?
What is the average humidity in December in Ship Bottom?
What is the wettest month?
How many days does it rain in December?
When does it start snowing?
How cold is the water in December?
What is the month with the shortest days?
What is the average length of the day in December?
What time are sunrise and sunset in December?
How long on average sun shines in December?
What is the month with the lowest UV index?
How high is the UV index in December?
Average temperature in December
Ship Bottom, NJ
- Average high temperature in December: 46°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 (39.7°F).
- Average low temperature in December: 37.9°F
The month with the highest average low temperature is July (72°F).
The coldest month (with the lowest average low temperature) is January (31.1°F).
Average pressure in December
Ship Bottom, 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 (29.94"Hg).
Average wind speed in December
Ship Bottom, 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 August (9mph).
Average humidity in December
Ship Bottom, NJ
- Average humidity in December: 76%
The months with the highest relative humidity are May and June (81%).
The month with the lowest relative humidity is November (73%).
Average rainfall in December
Ship Bottom, NJ
- Average rainfall in December: 1.14"
The wettest months (with the highest rainfall) are July and December (1.14").
The driest months (with the least rainfall) are January and September (0.67").
Average rainfall days in December
Ship Bottom, NJ
- Average rainfall days in December: 8.1 days
The month with the highest number of rainy days is July (12.7 days).
The month with the least rainy days is November (6.7 days).
Average snowfall in December
Ship Bottom, NJ
- Average snowfall in December: 0.59"
The month with the highest snowfall is January (0.94").
The months with the least snowfall are April, May, June, July, August, September, October and November (0").
Average snowfall days in December
Ship Bottom, NJ
- Average snowfall days in December: 1.8 days
The month with the highest number of snowfall days is January (3.8 days).
The months with the least snowfall days are April, May, June, July, August, September and October (0 days).
Average sea temperature in December
Ship Bottom, 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
Ship Bottom, 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 2min
The month with the most sunshine is July (Average sunshine: 10h and 54min).
The month with the least sunshine is February (Average sunshine: 5h and 0min).
Average sunshine days in December
Ship Bottom, NJ
- Average sunshine days in December: 20.7 days
The month with the most sunshine days is November (20.9 days).
The month with the least sunshine days is July (15.2 days).
Average UV index in December
Ship Bottom, 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 and December (UV index 2).
Average cloud cover in December
Ship Bottom, NJ
- Average cloud cover in December: 45
The month with the most cloud cover is February (Cloud cover 46).
The months with the least cloud cover are July and August (Cloud cover 26).
Average visibility in December
Ship Bottom, 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).
Ship Bottom, New Jersey, USA
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