December weather forecast
Cassville, NJ

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Weather in December

December, the first month of the winter in Cassville, is also a frosty month, with an average temperature ranging between max 44.6°F (7°C) and min 34.3°F (1.3°C).

Temperature

December sees a slight reduction in average high-temperature, with a shift from a fresh 52.7°F (11.5°C) in November to a frosty 44.6°F (7°C). Throughout December, a steady low-temperature average of 34.3°F (1.3°C) is noted.

Humidity

In Cassville, the average relative humidity in December is 78%.

Rainfall

In December, the rain falls for 8.1 days. Throughout December, 1.06" (27mm) of precipitation is accumulated. Throughout the year, there are 114.4 rainfall days, and 10.28" (261mm) of precipitation is accumulated.

Snowfall

Months with snowfall are January through March, November and December. In December, it is snowing for 2.2 days. Throughout December, 0.59" (15mm) of snow is accumulated. Throughout the year, there are 12.4 snowfall days, and 2.36" (60mm) 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 7:01 am and sunset at 4:32 pm. On the last day of December, sunrise is at 7:19 am and sunset at 4:42 pm EST.

Sunshine

In December, the average sunshine 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 value of 2, and less, symbolizes a low health risk from unsafe exposure to UV radiation for the ordinary person.
Note: In December, the UV index of 2 transforms into the following advice:
Prolonged sun exposure generally does not trouble most people. However, it is vital to ensure protection for babies, children, and individuals with sensitive skin. For skin protection, it's recommended to minimize Sun exposure during its peak hours around midday. Always opt for UVA and UVB-resistant sunglasses on radiant days. Take into account! The reflection from snow can nearly double the Sun's UV radiation intensity.
Updated: Jul 20, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

How cold is December?

The high-temperature, in December, in Cassville, is 44.6°F (7°C), while the low-temperature averages to 34.3°F (1.3°C). In August, the average heat index (a.k.a. 'feels like', 'felt air temperature'), which represents the influence of relative humidity on air temperature, is computed to be 86°F (30°C).

What is the average humidity in December?

The average relative humidity in December is 78%.

How many days does it rain in December?

In Cassville, in December, during 8.1 rainfall days, 1.06" (27mm) of precipitation is typically accumulated.

How much does it snow in December?

In Cassville, in December, snow falls for 2.2 days, with typically accumulated 0.59" (15mm) of snow.

What is the month with the shortest days?

The month with the shortest days is December, with an average of 9h and 24min of daylight.

What is the average length of the day in December?

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

When are sunrise and sunset in December?

On the first day of December in Cassville, sunrise is at 7:01 am and sunset at 4:32 pm. On the last day of the month, sunrise is at 7:19 am and sunset at 4:42 pm EST.

How long on average sun shines in December?

The average sunshine duration in December is 5.1h.

What is the month with the lowest UV index in Cassville?

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 Cassville, the average daily maximum UV index in December is 2. A UV Index of 2, and less, symbolizes a low health risk from unprotected exposure to UV radiation.
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
Cassville, NJ

Average temperature in December - Cassville, NJ
  • Average high temperature in December: 44.6°F

The warmest month (with the highest average high temperature) is July (82.9°F).
The month with the lowest average high temperature is January (37.9°F).

  • Average low temperature in December: 34.3°F

The month with the highest average low temperature is July (69.1°F).
The coldest month (with the lowest average low temperature) is January (27°F).

Average pressure in December
Cassville, NJ

Average pressure in December - Cassville, 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
Cassville, NJ

Average wind speed in December - Cassville, NJ
  • Average wind speed in December: 9.3mph

The windiest month (with the highest average wind speed) is March (10mph).
The calmest month (with the lowest average wind speed) is August (6.5mph).

Average humidity in December
Cassville, NJ

Average humidity in December - Cassville, NJ
  • Average humidity in December: 78%

The months with the highest relative humidity are May and June (79%).
The month with the lowest relative humidity is April (73%).

Average rainfall in December
Cassville, NJ

Average rainfall in December - Cassville, NJ
  • Average rainfall in December: 1.06"

The wettest month (with the highest rainfall) is July (1.38").
The driest months (with the least rainfall) are January and September (0.55").

Average rainfall days in December
Cassville, NJ

Average rainfall days in December - Cassville, NJ
  • Average rainfall days in December: 8.1 days

The month with the highest number of rainy days is July (13.7 days).
The month with the least rainy days is January (5.6 days).

Average snowfall in December
Cassville, NJ

Average snowfall in December - Cassville, NJ
  • Average snowfall in December: 0.59"

The month with the highest snowfall is January (0.63").
The months with the least snowfall are April, May, June, July, August, September and October (0").

Average snowfall days in December
Cassville, NJ

Average snowfall days in December - Cassville, NJ
  • Average snowfall days in December: 2.2 days

The month with the highest number of snowfall days is January (3.7 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
Cassville, NJ

Average daylight in December / Average sunshine in December - Cassville, 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 36min).
The month with the least sunshine is February (Average sunshine: 4h and 48min).

Average sunshine days in December
Cassville, NJ

Average sunshine days in December - Cassville, NJ
  • Average sunshine days in December: 21.5 days

The month with the most sunshine days is January (22.3 days).
The month with the least sunshine days is July (14.1 days).

Average UV index in December
Cassville, NJ

Average UV index in December - Cassville, 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
Cassville, NJ

Average cloud cover in December - Cassville, 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 30).

Average visibility in December
Cassville, NJ

Average visibility in December - Cassville, 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).

Cassville, New Jersey, USA

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