December weather forecast and climate
Horn, NE

The first month of the winter, December, is also a wintry month in Horn, Nebraska, with average temperature fluctuating between 19.9°F (-6.7°C) and 33.4°F (0.8°C).

Temperature

The coldest months are January and December, with an average high-temperature of 33.4°F (0.8°C).

Humidity

The average relative humidity in Horn is 73%.

Rainfall

In December, in Horn, the rain falls for 3.7 days. Throughout December, 0.75" (19mm) of precipitation is accumulated. In Horn, during the entire year, the rain falls for 111.7 days and collects up to 14.41" (366mm) of precipitation.

Snowfall

January through May, September through December are months with snowfall. In Horn, during 8.5 snowfall days, 3.74" (95mm) of snow is typically accumulated. Throughout the year, there are 48.2 snowfall days, and 21.54" (547mm) of snow is accumulated.

Daylight

December has the shortest days of the year, with an average of 9.1h of daylight.

Sunshine

In December, the average sunshine in Horn is 6.1h.

UV index

January, February, November and December, with an average maximum UV index of 2, are months with the lowest UV index in Horn. A UV Index reading of 2, and below, represents a minimal health vulnerability from the exposure to the Sun's UV rays for the average person.
Note: The daily maximum UV index of 2 interpret into the following advice:
Extended sun exposure is not an issue for the majority. Children, infants, and fair-skinned individuals always need to be protected. The solar radiation is most powerful near the mid-day, so the exposure to the direct Sun should be reduced accordingly. Sun-protective clothing, a long-sleeved shirt and pants, a wide-brimmed hat, and UVA and UVB-blocking sunglasses are particularly helpful in blocking UV radiation's harmful effects. Caution! The reflection of snow can nearly double the intensity of the Sun's UV radiation.

What is the coldest month in Horn?

The coldest months are January and December, with an average high-temperature of 33.4°F (0.8°C).

What is the temperature in December in Horn?

In December, in Horn, Nebraska, the average high-temperature is 33.4°F (0.8°C), and the average low-temperature is 19.9°F (-6.7°C).

What is the average humidity in December in Horn?

In Horn, the average relative humidity in December is 73%.

How much does it rain in Horn in December?

In Horn, Nebraska, in December, it is raining for 3.7 days, with typically 0.75" (19mm) of accumulated precipitation.

How many days does it snow in December in Horn?

In Horn, Nebraska, during December, snow falls for 8.5 days and regularly aggregates up to 3.74" (95mm) of snow.

What is the month with the shortest days in Horn?

With an average of 9.1h of daylight, December has the shortest days of the year in Horn.

What is the average length of the day in December in Horn?

In Horn, the average length of the day in December is 9.1h.

How long on average sun shines in December in Horn?

In December, the average sunshine in Horn, Nebraska, is 6.1h.

When is the lowest UV index in Horn?

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

How high is the UV index in December in Horn?

In December, the average daily maximum UV index is 2. A UV Index of 2, and less, symbolizes a minimal hazard to health from the exposure to the Sun's UV rays.
Average temperature in December - Horn, NE
  • Average high temperature in December: 0.8°C

The warmest month (with the highest average high temperature) is July (31.4°C).
Months with the lowest average high temperature are January and December (0.8°C).

  • Average low temperature in December: -6.7°C

The month with the highest average low temperature is July (18.7°C).
The coldest month (with the lowest average low temperature) is January (-6.9°C).

Average pressure in December - Horn, NE
  • Average pressure in December: 1020mbar

The month with the highest atmospheric pressure is January (1020.2mbar).
The month with the lowest atmospheric pressure is June (1010.6mbar).

Average wind speed in December - Horn, NE
  • Average wind speed in December: 16.5km/h

The windiest month (with the highest average wind speed) is April (18.5km/h).
The calmest month (with the lowest average wind speed) is August (15.1km/h).

Average humidity in December - Horn, NE
  • Average humidity in December: 73%

The month with the highest relative humidity is January (77%).
The month with the lowest relative humidity is August (46%).

Average rainfall in December - Horn, NE
  • Average rainfall in December: 19mm

The wettest month (with the highest rainfall) is May (61mm).
The driest month (with the least rainfall) is January (12mm).

Average rainfall days in December - Horn, NE
  • Average rainfall days in December: 3.7 days

The month with the highest number of rainy days is May (15 days).
The month with the least rainy days is December (3.7 days).

Average snowfall in December - Horn, NE
  • Average snowfall in December: 95mm

The month with the highest snowfall is February (108mm).
Months with the least snowfall are June, July and August (0mm).

Average snowfall days in December - Horn, NE
  • Average snowfall days in December: 8.5 days

The month with the highest number of snowfall days is February (10.6 days).
Months with the least snowfall days are June, July and August (0 days).

Average daylight in December / Average sunshine in December - Horn, NE
  • Average daylight in December: 9.1h

The month with the longest days is June (Average daylight: 15.3h).
The month with the shortest days is December (Average daylight: 9.1h).

  • Average sunshine in December: 6.1h

The month with the most sunshine is August (Average sunshine: 11.9h).
The month with the least sunshine is February (Average sunshine: 5.7h).

Average sunshine days in December - Horn, NE
  • Average sunshine days in December: 19.8 days

Months with the most sunshine days are September and December (19.8 days).
The month with the least sunshine days is April (11.6 days).

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

The month with the highest UV index is July (UV index 7).
Months with the lowest UV index are January, February, November and December (UV index 2).

Average cloud cover in December - Horn, NE
  • Average cloud cover in December: 34

The month with the most cloud cover is February (Cloud cover 39).
The month with the least cloud cover is August (Cloud cover 15).

Average visibility in December - Horn, NE
  • Average visibility in December: 9km

Months with the highest visibility are May, June, July, August, September, October and November (10km).
Months with the lowest visibility are January, February, March, April and December (9km).