December weather forecast
Riviera on the Bay, NJ

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Weather in December

December, the first month of the winter in Riviera on the Bay, is still a chilly month, with an average temperature varying between 36.1°F (2.3°C) and 44.4°F (6.9°C).

Temperature

In December, the average high-temperature marginally drops from a fresh 52.7°F (11.5°C) in November to a frosty 44.4°F (6.9°C). The temperature during December sees a subtle transition from day to night, averaging a low of 36.1°F (2.3°C).

Humidity

The average relative humidity in December is 76%.

Rainfall

In December, the rain falls for 10 days. Throughout December, 1.69" (43mm) of precipitation is accumulated. In Riviera on the Bay, during the entire year, the rain falls for 137.7 days and collects up to 19.09" (485mm) of precipitation.

Snowfall

January through March, November and December are months with snowfall. In Riviera on the Bay, during December, snow falls for 2.4 days and regularly aggregates up to 0.79" (20mm) of snow. Throughout the year, in Riviera on the Bay, there are 13.8 snowfall days, and 3.27" (83mm) of snow is accumulated.

Daylight

With an average of 9h and 24min of daylight, December has the shortest days of the year.
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, sunrise is at 7:18 am and sunset at 4:41 pm EST.

Sunshine

In Riviera on the Bay, the average sunshine in December is 5.1h.

UV index

January, February, November 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 minimal health vulnerability from unsafe exposure to UV radiation for average individuals.
Note: During December, 2 as the daily maximum UV index converts into the following advice:
Although prolonged sun exposure does not typically bother most people, children, babies, and those with sensitive skin should always have protection. Sun exposure should be minimized, especially during midday, to avoid harmful UV radiation. It's wise to wear UVA and UVB-blocking sunglasses when the sun shines brightly. Attention! Nearly twice the Sun's UV radiation can be reflected by snow.
Updated: Jun 23, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

How cold does it get in December?

The average high-temperature and low-temperature during December are 44.4°F (6.9°C) and 36.1°F (2.3°C) respectively. In July, the average heat index (a.k.a. 'real feel', 'apparent temperature'), which takes the relative humidity and factors it into the air temperature reading, is appraised at 86°F (30°C).

What is the average humidity in December?

The average relative humidity in December is 76%.

How much does it rain in December?

In Riviera on the Bay, during December, the rain falls for 10 days and regularly aggregates up to 1.69" (43mm) of precipitation.

How many days does it snow in December?

In December, it is snowing for 2.4 days. Throughout December, 0.79" (20mm) of snow is accumulated.

What is the month with the shortest days?

December has the shortest days of the year, with an average of 9h and 24min of daylight.

What is the average length of the day in December?

In December, the average day length is 9h and 23min.

When are sunrise and sunset in December?

On the first day of December, sunrise is at 6:59 am and sunset at 4:31 pm. On the last day of the month, sunrise is at 7:18 am and sunset at 4:41 pm EST.

How long on average sun shines in December?

The average sunshine duration in December is 5.1h.

When is the lowest UV index?

The months with the lowest UV index are January, February, November and December, with an average maximum UV index of 2.

What is the UV index intensity in December?

In December, the average daily maximum UV index is 2. A UV Index reading of 2, and below, represents a low health risk from exposure to Sun's UV rays.
Average humidity
Average rainfall days
Average snowfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in December
Riviera on the Bay, NJ

Average temperature in December - Riviera on the Bay, NJ
  • Average high temperature in December: 44.4°F

The warmest month (with the highest average high temperature) is July (80.6°F).
The month with the lowest average high temperature is January (38.8°F).

  • Average low temperature in December: 36.1°F

The month with the highest average low temperature is July (70.9°F).
The coldest month (with the lowest average low temperature) is January (29.1°F).

Average pressure in December
Riviera on the Bay, NJ

Average pressure in December - Riviera on the Bay, 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
Riviera on the Bay, NJ

Average wind speed in December - Riviera on the Bay, NJ
  • Average wind speed in December: 11.5mph

The windiest month (with the highest average wind speed) is January (12.2mph).
The calmest month (with the lowest average wind speed) is July (8mph).

Average humidity in December
Riviera on the Bay, NJ

Average humidity in December - Riviera on the Bay, NJ
  • Average humidity in December: 76%

The months with the highest relative humidity are May and June (80%).
The months with the lowest relative humidity are January, March and November (74%).

Average rainfall in December
Riviera on the Bay, NJ

Average rainfall in December - Riviera on the Bay, NJ
  • Average rainfall in December: 1.69"

The wettest month (with the highest rainfall) is July (2.56").
The driest month (with the least rainfall) is January (0.94").

Average rainfall days in December
Riviera on the Bay, NJ

Average rainfall days in December - Riviera on the Bay, NJ
  • Average rainfall days in December: 10 days

The month with the highest number of rainy days is July (16.1 days).
The month with the least rainy days is January (7 days).

Average snowfall in December
Riviera on the Bay, NJ

Average snowfall in December - Riviera on the Bay, NJ
  • Average snowfall in December: 0.79"

The month with the highest snowfall is January (0.91").
The months with the least snowfall are April, May, June, July, August, September and October (0").

Average snowfall days in December
Riviera on the Bay, NJ

Average snowfall days in December - Riviera on the Bay, NJ
  • Average snowfall days in December: 2.4 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 daylight in December /
Average sunshine in December
Riviera on the Bay, NJ

Average daylight in December / Average sunshine in December - Riviera on the Bay, 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 24min).

  • Average sunshine in December: 5h and 1min

The month with the most sunshine is July (Average sunshine: 10h and 42min).
The month with the least sunshine is February (Average sunshine: 4h and 54min).

Average sunshine days in December
Riviera on the Bay, NJ

Average sunshine days in December - Riviera on the Bay, NJ
  • Average sunshine days in December: 18.6 days

The month with the most sunshine days is January (20.2 days).
The month with the least sunshine days is July (11.9 days).

Average UV index in December
Riviera on the Bay, NJ

Average UV index in December - Riviera on the Bay, 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
Riviera on the Bay, NJ

Average cloud cover in December - Riviera on the Bay, 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
Riviera on the Bay, NJ

Average visibility in December - Riviera on the Bay, 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).

Riviera on the Bay, New Jersey, USA

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