December weather forecast and climate
Seneca, NE

December, the first month of the winter, in Seneca, is also a subzero cold month, with temperature in the range of an average low of 20.7°F (-6.3°C) and an average high of 31.6°F (-0.2°C).

Temperature

In December, the average high-temperature plummets, from a chilly 46.2°F (7.9°C) in November, to a subzero cold 31.6°F (-0.2°C). In December, in Seneca, the average low-temperature is 20.7°F (-6.3°C).

Humidity

In December, the average relative humidity is 76%.

Rainfall

In Seneca, in December, during 2.3 rainfall days, 0.71" (18mm) of precipitation is typically accumulated. In Seneca, Nebraska, during the entire year, the rain falls for 103.2 days and collects up to 17.44" (443mm) of precipitation.

Snowfall

January through May, September through December are months with snowfall in Seneca, Nebraska. The month with the most snowfall is December when snow falls for 7.1 days and typically aggregates up to 2.99" (76mm) of snow.

Daylight

December has the shortest days of the year, with an average of 9.2h of daylight.

Sunshine

In December, the average sunshine is 5.4h.

UV index

January, February, November and December, with an average maximum UV index of 2, are months with the lowest UV index in Seneca. A UV Index value of 2, and less, symbolizes a minimal health vulnerability from the exposure to the Sun's UV rays for the average person.
Note: The average daily UV index of 2 in December transform into the following instructions:
Most people can stay in the Sun for up to 1 hour without burning, apart from children that always must be protected from sun exposure. The Sun's most intense and consequently most harmful UV radiation during midday hours should be decreased by minimizing exposure and seeking shade. On bright days sunglasses that block both UVA and UVB rays should be worn. A hat with a wide brim is extremely helpful, as it can prevent roughly 50% of UV radiation from reaching the eyes. Caution! The reflection of snow can nearly double the intensity of the Sun's UV radiation.

What is the temperature in December in Seneca?

In December, in Seneca, Nebraska, the average high-temperature is 31.6°F (-0.2°C), and the average low-temperature is 20.7°F (-6.3°C).

What is the average humidity in December in Seneca?

The average relative humidity in December in Seneca, Nebraska, is 76%.

How much does it rain in Seneca in December?

In Seneca, Nebraska, in December, it is raining for 2.3 days, with typically 0.71" (18mm) of accumulated precipitation.

How many days does it snow in December in Seneca?

In Seneca, during December, snow falls for 7.1 days and regularly aggregates up to 2.99" (76mm) of snow.

When does it snow the most in Seneca?

The month with the most snowfall in Seneca, Nebraska, is December when snow falls for 7.1 days and typically aggregates up to 2.99" (76mm) of snow.

What is the month with the shortest days in Seneca?

The month with the shortest days in Seneca is December, with an average of 9.2h of daylight.

How many hours of daylight does Seneca have in December?

The average length of the day in December in Seneca, Nebraska, is 9.2h.

How many hours of sunshine does Seneca have in December?

In December, the average sunshine is 5.4h.

What are the months with the lowest UV index in Seneca?

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

How high is the UV index in December in Seneca?

In December, the average daily maximum UV index in Seneca, Nebraska, is 2. A UV Index value of 2, and less, symbolizes a minimal hazard to health from the exposure to the Sun's UV rays.
Average temperature in December - Seneca, NE
  • Average high temperature in December: -0.2°C

The warmest month (with the highest average high temperature) is July (29.8°C).
The month with the lowest average high temperature is January (-0.5°C).

  • Average low temperature in December: -6.3°C

The month with the highest average low temperature is July (18.8°C).
The coldest month (with the lowest average low temperature) is January (-7.3°C).

Average pressure in December - Seneca, NE
  • Average pressure in December: 1020.5mbar

The month with the highest atmospheric pressure is January (1021.2mbar).
The month with the lowest atmospheric pressure is June (1010.7mbar).

Average wind speed in December - Seneca, NE
  • Average wind speed in December: 19.4km/h

The windiest month (with the highest average wind speed) is April (21.4km/h).
The calmest months (with the lowest average wind speed) are July and August (17.2km/h).

Average humidity in December - Seneca, NE
  • Average humidity in December: 76%

The month with the highest relative humidity is January (79%).
The month with the lowest relative humidity is September (59%).

Average rainfall in December - Seneca, NE
  • Average rainfall in December: 18mm

The wettest month (with the highest rainfall) is June (71mm).
The driest month (with the least rainfall) is January (11mm).

Average rainfall days in December - Seneca, NE
  • Average rainfall days in December: 2.3 days

The month with the highest number of rainy days is May (14.8 days).
Months with the least rainy days are February and December (2.3 days).

Average snowfall in December - Seneca, NE
  • Average snowfall in December: 76mm

The month with the highest snowfall is December (76mm).
Months with the least snowfall are June, July and August (0mm).

Average snowfall days in December - Seneca, NE
  • Average snowfall days in December: 7.1 days

The month with the highest number of snowfall days is January (9.6 days).
Months with the least snowfall days are June, July and August (0 days).

Average daylight in December / Average sunshine in December - Seneca, NE
  • Average daylight in December: 9.2h

The month with the longest days is June (Average daylight: 15.2h).
The month with the shortest days is December (Average daylight: 9.2h).

  • Average sunshine in December: 5.4h

The month with the most sunshine is July (Average sunshine: 11.1h).
The month with the least sunshine is January (Average sunshine: 5.2h).

Average sunshine days in December - Seneca, NE
  • Average sunshine days in December: 20.9 days

The month with the most sunshine days is November (21.8 days).
The month with the least sunshine days is June (11.8 days).

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

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

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

Months with the most cloud cover are January and February (Cloud cover 45).
The month with the least cloud cover is August (Cloud cover 22).

Average visibility in December - Seneca, 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).