December weather forecast
Petersburg, NE

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Weather in December

The first month of the winter, December, is also an icy month in Petersburg, Nebraska, with an average temperature fluctuating between 20.8°F (-6.2°C) and 33.4°F (0.8°C).

Temperature

In Petersburg, the average high-temperature in December drops, from a chilly 48°F (8.9°C) in November, to an icy 33.4°F (0.8°C). Petersburg, in the month of December, anticipates a consistent average low-temperature of 20.8°F (-6.2°C).

Humidity

In Petersburg, the average relative humidity in December is 77%.

Rainfall

In Petersburg, during December, the rain falls for 3.2 days and regularly aggregates up to 1.22" (31mm) of precipitation. In Petersburg, during the entire year, the rain falls for 108.8 days and collects up to 18.98" (482mm) of precipitation.

Snowfall

January through May, October through December are months with snowfall. The month with the most snowfall is December, when snow falls for 6.5 days and typically aggregates up to 3.9" (99mm) of snow.

Daylight

The month with the shortest days is December, with an average of 9h and 12min of daylight.
On the first day of the month, sunrise is at 7:41 am and sunset at 5:02 pm. On the last day of December, sunrise is at 7:59 am and sunset at 5:11 pm CST.

Sunshine

The average sunshine in December in Petersburg is 5.3h.

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 estimate of 2, and below, represents a minimal health hazard from unsafe exposure to UV radiation for ordinary individuals.
Note: The average daily UV index of 2 in December transforms into the following instructions:
Extended sunlight exposure does not pose significant problems for most people, except for children, infants, and people with fair skin who always need shielding. Considering the strength of solar radiation at midday, one should avoid direct Sun exposure. Consider a wide-brim hat essential for effective sun defense covering your face, neck, and eyes. Be prepared! The intensity of the Sun's UV radiation can be amplified nearly double due to snow reflection.
Updated: Jul 16, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

How cold is it in December?

December temperatures vary between a high-temperature of 33.4°F (0.8°C) and a low-temperature of 20.8°F (-6.2°C). The average heat index (a.k.a. 'apparent temperature', 'felt air temperature'), which represents the influence of relative humidity on air temperature, in August is appraised at 87.8°F (31°C).

What is the average humidity in December?

In Petersburg, the average relative humidity in December is 77%.

How much does it rain in December?

In December, the rain falls for 3.2 days. Throughout December, 1.22" (31mm) of precipitation is accumulated.

What is the snowiest month in Petersburg?

The month with the most snowfall is December, when snow falls for 6.5 days and typically aggregates up to 3.9" (99mm) of snow.

How much does it snow in December?

In Petersburg, during December, snow falls for 6.5 days and regularly aggregates up to 3.9" (99mm) of snow.

What is the month with the shortest days?

With an average of 9h and 12min of daylight, December has the shortest days of the year.

What is the average length of the day in December?

In December, the average day length is 9h and 12min.

What time are sunrise and sunset in December?

On the first day of December, sunrise is at 7:41 am and sunset at 5:02 pm. On the last day of the month, sunrise is at 7:59 am and sunset at 5:11 pm CST.

How many hours of sunshine does Petersburg have in December?

In Petersburg, the average sunshine duration in December is 5.3h.

What are the months with the lowest UV index?

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

What is the UV index reading in December in Petersburg?

In December, the average daily maximum UV index is 2. A UV Index estimate of 2, and below, represents a minimal health vulnerability 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
Petersburg, NE

Average temperature in December - Petersburg, NE
  • Average high temperature in December: 33.4°F

The warmest month (with the highest average high temperature) is July (84.7°F).
The month with the lowest average high temperature is January (30.6°F).

  • Average low temperature in December: 20.8°F

The month with the highest average low temperature is July (64.8°F).
The coldest month (with the lowest average low temperature) is January (17.1°F).

Average pressure in December
Petersburg, NE

Average pressure in December - Petersburg, NE
  • Average pressure in December: 30.13"Hg

The month with the highest atmospheric pressure is January (30.17"Hg).
The month with the lowest atmospheric pressure is June (29.85"Hg).

Average wind speed in December
Petersburg, NE

Average wind speed in December - Petersburg, NE
  • Average wind speed in December: 10.7mph

The windiest month (with the highest average wind speed) is April (11.5mph).
The calmest month (with the lowest average wind speed) is July (8mph).

Average humidity in December
Petersburg, NE

Average humidity in December - Petersburg, NE
  • Average humidity in December: 77%

The month with the highest relative humidity is January (81%).
The month with the lowest relative humidity is October (63%).

Average rainfall in December
Petersburg, NE

Average rainfall in December - Petersburg, NE
  • Average rainfall in December: 1.22"

The wettest month (with the highest rainfall) is May (2.68").
The driest months (with the least rainfall) are January and February (0.55").

Average rainfall days in December
Petersburg, NE

Average rainfall days in December - Petersburg, NE
  • Average rainfall days in December: 3.2 days

The month with the highest number of rainy days is May (15.6 days).
The month with the least rainy days is February (2.6 days).

Average snowfall in December
Petersburg, NE

Average snowfall in December - Petersburg, NE
  • Average snowfall in December: 3.9"

The month with the highest snowfall is December (3.9").
The months with the least snowfall are June, July, August and September (0").

Average snowfall days in December
Petersburg, NE

Average snowfall days in December - Petersburg, NE
  • Average snowfall days in December: 6.5 days

The month with the highest number of snowfall days is January (7.3 days).
The months with the least snowfall days are June, July, August and September (0 days).

Average daylight in December /
Average sunshine in December
Petersburg, NE

Average daylight in December / Average sunshine in December - Petersburg, NE
  • Average daylight in December: 9h and 1min

The month with the longest days is June (Average daylight: 15h and 12min).
The month with the shortest days is December (Average daylight: 9h and 12min).

  • Average sunshine in December: 5h and 2min

The month with the most sunshine is July (Average sunshine: 10h and 36min).
The month with the least sunshine is January (Average sunshine: 4h and 54min).

Average sunshine days in December
Petersburg, NE

Average sunshine days in December - Petersburg, NE
  • Average sunshine days in December: 22.2 days

The month with the most sunshine days is November (23.2 days).
The month with the least sunshine days is June (12.8 days).

Average UV index in December
Petersburg, NE

Average UV index in December - Petersburg, NE
  • Average UV index in December: 2

The months with the highest UV index are June and July (UV index 6).
The months with the lowest UV index are January, February, November and December (UV index 2).

Average cloud cover in December
Petersburg, NE

Average cloud cover in December - Petersburg, NE
  • Average cloud cover in December: 42

The month with the most cloud cover is January (Cloud cover 47).
The months with the least cloud cover are July and September (Cloud cover 27).

Average visibility in December
Petersburg, NE

Average visibility in December - Petersburg, NE
  • 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).

Petersburg, Nebraska, USA

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