December weather forecast
South New Berlin, NY

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Weather in December

The first month of the winter, December, is also a wintry month in South New Berlin, New York, with temperature in the range of an average high of 33.1°F (0.6°C) and an average low of 23.2°F (-4.9°C).

Temperature

December involves a decrease in temperature, down from a frosty 42.8°F (6°C) in November to a wintry 33.1°F (0.6°C). The low-temperature averages to a freezing cold 23.2°F (-4.9°C) during the nights of December.

Humidity

In South New Berlin, the average relative humidity in December is 87%.

Rainfall

In December, the rain falls for 9.4 days. Throughout December, 1.73" (44mm) of precipitation is accumulated. In South New Berlin, during the entire year, the rain falls for 144.3 days and collects up to 23.07" (586mm) of precipitation.

Snowfall

Months with snowfall are January through May, October through December. In South New Berlin, in December, snow falls for 13.1 days, with typically accumulated 5.75" (146mm) of snow. Throughout the year, there are 70.5 snowfall days, and 26.26" (667mm) of snow is accumulated.

Daylight

December has the shortest days of the year, with an average of 9h and 6min of daylight.
On the first day of December, sunrise is at 7:12 am and sunset at 4:29 pm. On the last day of the month, sunrise is at 7:31 am and sunset at 4:38 pm EST.

Sunshine

The average sunshine in December in South New Berlin is 2.6h.

UV index

January, February, November and December, with an average maximum UV index of 1, are months with the lowest UV index. A UV Index reading of 2, and below, represents a low threat to health from unsafe exposure to UV radiation for average individuals.
Note: An average maximum UV index of 1 in December leads to these recommendations:
In contrast to children, who must always be shielded from the sun, most people can tolerate up to an hour of sun exposure without any burns. The mid-day Sun emits the most powerful UV radiation, so seek shade and minimize exposure. Boost your sun resistance with garments that are densely woven yet spacious. Heed this! Snow reflection can almost augment the UV radiation of the sun by double.
Updated: Aug 17, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

How cold is December?

The average high-temperature, in December, in South New Berlin, is 33.1°F (0.6°C), while the average low-temperature is 23.2°F (-4.9°C).

What is the average humidity in December?

In South New Berlin, the average relative humidity in December is 87%.

How much does it rain in December?

In December, in South New Berlin, the rain falls for 9.4 days. Throughout December, 1.73" (44mm) of precipitation is accumulated.

How much does it snow in December?

In South New Berlin, during December, snow falls for 13.1 days and regularly aggregates up to 5.75" (146mm) of snow.

What is the month with the shortest days?

December has the shortest days of the year, with an average of 9h and 6min of daylight.

How many hours of daylight does South New Berlin have in December?

In December, the average day length is 9h and 7min.

When are sunrise and sunset in December?

In December, on the first day of the month, sunrise is at 7:12 am and sunset at 4:29 pm. On the last day of the month, sunrise is at 7:31 am and sunset at 4:38 pm EST.

How many hours of sunshine does South New Berlin have in December?

The average sunshine duration in December is 2.6h.

What are the months with the lowest UV index?

The months with the lowest UV index are January, February, November and December, with an average maximum UV index of 1.

What is the UV index intensity in December?

In South New Berlin, the average daily maximum UV index in December is 1. A UV Index estimate of 2, and below, represents a minimal hazard to health from exposure to the Sun's 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
South New Berlin, NY

Average temperature in December - South New Berlin, NY
  • Average high temperature in December: 33.1°F

The warmest month (with the highest average high temperature) is July (78.1°F).
The month with the lowest average high temperature is January (27°F).

  • Average low temperature in December: 23.2°F

The month with the highest average low temperature is July (56.7°F).
The coldest month (with the lowest average low temperature) is January (15.3°F).

Average pressure in December
South New Berlin, NY

Average pressure in December - South New Berlin, NY
  • Average pressure in December: 30.07"Hg

The month with the highest atmospheric pressure is November (30.1"Hg).
The month with the lowest atmospheric pressure is June (29.93"Hg).

Average wind speed in December
South New Berlin, NY

Average wind speed in December - South New Berlin, NY
  • Average wind speed in December: 9.6mph

The windiest month (with the highest average wind speed) is January (10mph).
The calmest month (with the lowest average wind speed) is August (6mph).

Average humidity in December
South New Berlin, NY

Average humidity in December - South New Berlin, NY
  • Average humidity in December: 87%

The month with the highest relative humidity is February (88%).
The months with the lowest relative humidity are April, May and July (80%).

Average rainfall in December
South New Berlin, NY

Average rainfall in December - South New Berlin, NY
  • Average rainfall in December: 1.73"

The wettest months (with the highest rainfall) are May and June (2.44").
The driest month (with the least rainfall) is September (1.46").

Average rainfall days in December
South New Berlin, NY

Average rainfall days in December - South New Berlin, NY
  • Average rainfall days in December: 9.4 days

The month with the highest number of rainy days is May (16.7 days).
The month with the least rainy days is February (5.3 days).

Average snowfall in December
South New Berlin, NY

Average snowfall in December - South New Berlin, NY
  • Average snowfall in December: 5.75"

The month with the highest snowfall is February (6.46").
The months with the least snowfall are June, July, August and September (0").

Average snowfall days in December
South New Berlin, NY

Average snowfall days in December - South New Berlin, NY
  • Average snowfall days in December: 13.1 days

The month with the highest number of snowfall days is January (17.3 days).
The months with the least snowfall days are June, July, August and September (0 days).

Average daylight in December /
Average sunshine in December
South New Berlin, NY

Average daylight in December / Average sunshine in December - South New Berlin, NY
  • Average daylight in December: 9h and 1min

The month with the longest days is June (Average daylight: 15h and 18min).
The month with the shortest days is December (Average daylight: 9h and 6min).

  • Average sunshine in December: 2h and 4min

The month with the most sunshine is July (Average sunshine: 9h and 48min).
The month with the least sunshine is February (Average sunshine: 2h and 24min).

Average sunshine days in December
South New Berlin, NY

Average sunshine days in December - South New Berlin, NY
  • Average sunshine days in December: 11.2 days

The month with the most sunshine days is September (15.7 days).
The month with the least sunshine days is February (8.7 days).

Average UV index in December
South New Berlin, NY

Average UV index in December - South New Berlin, NY
  • Average UV index in December: 1

The months with the highest UV index are May, June, July and August (UV index 5).
The months with the lowest UV index are January, February, November and December (UV index 1).

Average cloud cover in December
South New Berlin, NY

Average cloud cover in December - South New Berlin, NY
  • Average cloud cover in December: 73

The month with the most cloud cover is February (Cloud cover 76).
The months with the least cloud cover are July and August (Cloud cover 40).

Average visibility in December
South New Berlin, NY

Average visibility in December - South New Berlin, NY
  • Average visibility in December: 5mi

The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (5mi).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (5mi).

South New Berlin, New York, USA

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