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 ranging between min 20.8°F (-6.2°C) and max 33.4°F (0.8°C).

Temperature

December is marked by a significant decrease, with the average high-temperature retreating from a frosty 48°F (8.9°C) in November to a cold 33.4°F (0.8°C). In December, the average low-temperature in Petersburg records at a subzero cold 20.8°F (-6.2°C) during the nights.

Humidity

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

Months with snowfall in Petersburg are January through May, October through December. December is the month with the most snowfall in Petersburg, Nebraska. Snow falls for 6.5 days and accumulates 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 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.

Sunshine

The average sunshine in December is 5.3h.

UV index

The months with the lowest UV index in Petersburg, Nebraska, are January, February, November and December, with an average maximum UV index of 2. A UV Index of 2, and less, symbolizes a low health risk from exposure to the Sun's UV radiation for average individuals.
Note: In December, a daily maximum UV index of 2 leads to the following instructions:
Though the majority can handle prolonged sun exposure, it is crucial to always shield babies, children, and those with fair skin. Being exposed to the midday Sun can have harmful effects due to strong UV radiation; always take precautions. A hat with a generous brim can prevent nearly 50% of UV rays from reaching your eyes. Remember to consider! The UV radiation from the Sun can be intensified nearly twice by the reflection of snow.
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Frequently asked questions

How cold is December in Petersburg?

In Petersburg, 33.4°F (0.8°C) is the average high-temperature and 20.8°F (-6.2°C) is the average low-temperature during December. In August, the average heat index (a.k.a. 'feels like', 'apparent temperature'), which takes the relative humidity and factors it into the air temperature reading, is estimated at 87.8°F (31°C).

What is the average humidity in December in Petersburg?

The average relative humidity in December in Petersburg is 77%.

How many days does it rain in December in Petersburg?

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?

December is the month with the most snowfall in Petersburg, Nebraska. Snow falls for 6.5 days and accumulates 3.9" (99mm) of snow.

How much does it snow in Petersburg in December?

In December, in Petersburg, Nebraska, it is snowing for 6.5 days. Throughout December, 3.9" (99mm) of snow is accumulated.

What is the month with the shortest days in Petersburg?

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

How many hours of daylight does Petersburg have in December?

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

What time are sunrise and sunset in December in Petersburg?

On the first day of December in Petersburg, 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?

The average sunshine duration in December in Petersburg is 5.3h.

When is the lowest UV index in Petersburg?

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 intensity in December in Petersburg?

In Petersburg, the average daily maximum UV index in December is 2. A UV Index reading of 2, and below, represents a low health risk from unsafe 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
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).

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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).

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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).

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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%).

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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").

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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).

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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").

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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).

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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).

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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).

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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).

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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).

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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).

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Petersburg, Nebraska, USA

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