December weather forecast and climate
McCook, NE

Weather in December

The first month of the winter, December, is still a cold month in McCook, Nebraska, with temperature in the range of an average high of 39.4°F (4.1°C) and an average low of 23.9°F (-4.5°C).

Temperature

December is the coldest month, with an average high-temperature of 39.4°F (4.1°C) and an average low-temperature of 23.9°F (-4.5°C).

Humidity

In December, the average relative humidity is 67%.

Rainfall

In December, in McCook, the rain falls for 2.9 days. Throughout December, 0.75" (19mm) of precipitation is accumulated. In McCook, during the entire year, the rain falls for 103 days and collects up to 15.94" (405mm) of precipitation.

Snowfall

Months with snowfall are January through May, October through December. In McCook, snow falls for 5 days, with typically accumulated 1.57" (40mm) of snow. In McCook, Nebraska, during the entire year, snow falls for 23.9 days, and aggregates up to 9.88" (251mm) of snow.

Daylight

December has the shortest days of the year in McCook, with an average of 9.4h of daylight.

Sunshine

The average sunshine in McCook is 6.3h.

UV index

Months with the lowest UV index are January, February, November and December, with an average maximum UV index of 2. 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 average daily UV index of 2 in December transform into the following instructions:
For the majority, extended sun exposure is not of great concern. Infants and people with sensitive skin must always be protected. The Sun's most intense and consequently most harmful UV radiation during midday hours should be decreased by minimizing exposure and seeking shade. A wide-brim hat offers excellent sun protection for eyes, ears, face, and neck. Sunglasses with UVA and UVB protection significantly reduce eye damage from sun exposure. Tightly woven, loose-fitting clothes provide additional protection from the Sun. Caution! The reflection of snow can nearly double the intensity of the Sun's UV radiation.
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FAQ

What is the coldest month in McCook?

The coldest month in McCook, Nebraska, is December, with an average high-temperature of 39.4°F (4.1°C) and an average low-temperature of 23.9°F (-4.5°C).

What is the temperature in December in McCook?

The average high-temperature, in December, is 39.4°F (4.1°C), while the average low-temperature is 23.9°F (-4.5°C).

What is the average humidity in December in McCook?

In McCook, the average relative humidity in December is 67%.

How much does it rain in McCook in December?

In McCook, Nebraska, in December, during 2.9 rainfall days, 0.75" (19mm) of precipitation is typically accumulated.

How much does it snow in McCook in December?

In McCook, in December, snow falls for 5 days, with typically accumulated 1.57" (40mm) of snow.

What is the month with the shortest days in McCook?

With an average of 9.4h of daylight, December has the shortest days of the year.

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

The average length of the day in December in McCook is 9.4h.

How long on average sun shines in December in McCook?

In December, the average sunshine in McCook, Nebraska, is 6.3h.

What is the month with the lowest UV index in McCook?

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

What is the UV index reading in December in McCook?

The average daily maximum UV index in December in McCook is 2. A UV Index of 2, and less, symbolizes a low health threat from unsafe exposure to the Sun's UV rays.

Average temperature in December
McCook, NE

Average temperature in December - McCook, NE
  • Average high temperature in December: 39.4°F

The warmest month (with the highest average high temperature) is July (91.4°F).
The month with the lowest average high temperature is December (39.4°F).

  • Average low temperature in December: 23.9°F

The month with the highest average low temperature is July (68.5°F).
The coldest month (with the lowest average low temperature) is January (23.4°F).

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Average pressure in December
McCook, NE

Average pressure in December - McCook, NE
  • Average pressure in December: 30.13"

The month with the highest atmospheric pressure is January (30.15").
The month with the lowest atmospheric pressure is June (29.83").

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Average wind speed in December
McCook, NE

Average wind speed in December - McCook, NE
  • Average wind speed in December: 10.2mph

The windiest month (with the highest average wind speed) is April (12.2mph).
The calmest month (with the lowest average wind speed) is August (9.6mph).

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Average humidity in December
McCook, NE

Average humidity in December - McCook, NE
  • Average humidity in December: 67%

The month with the highest relative humidity is January (68%).
Months with the lowest relative humidity are July and October (54%).

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Average rainfall in December
McCook, NE

Average rainfall in December - McCook, NE
  • Average rainfall in December: 0.75"

The wettest month (with the highest rainfall) is May (2.6").
The driest month (with the least rainfall) is January (0.35").

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Average rainfall days in December
McCook, NE

Average rainfall days in December - McCook, NE
  • Average rainfall days in December: 2.9 days

The month with the highest number of rainy days is May (15.8 days).
The month with the least rainy days is February (2.1 days).

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Average snowfall in December
McCook, NE

Average snowfall in December - McCook, NE
  • Average snowfall in December: 1.57"

The month with the highest snowfall is February (2.13").
Months with the least snowfall are June, July, August and September (0").

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Average snowfall days in December
McCook, NE

Average snowfall days in December - McCook, NE
  • Average snowfall days in December: 5 days

The month with the highest number of snowfall days is February (6.2 days).
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
McCook, NE

Average daylight in December / Average sunshine in December - McCook, NE
  • Average daylight in December: 9.4h

The month with the longest days is June (Average daylight: 15h).
The month with the shortest days is December (Average daylight: 9.4h).

  • Average sunshine in December: 6.3h

The month with the most sunshine is July (Average sunshine: 11.4h).
The month with the least sunshine is January (Average sunshine: 6.2h).

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Average sunshine days in December
McCook, NE

Average sunshine days in December - McCook, NE
  • Average sunshine days in December: 23.7 days

Months with the most sunshine days are January and November (24.3 days).
The month with the least sunshine days is August (13.1 days).

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Average UV index in December
McCook, NE

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

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

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Average cloud cover in December
McCook, NE

Average cloud cover in December - McCook, NE
  • Average cloud cover in December: 32

The month with the most cloud cover is February (Cloud cover 35).
The month with the least cloud cover is June (Cloud cover 20).

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Average visibility in December
McCook, NE

Average visibility in December - McCook, NE
  • Average visibility in December: 6mi

Months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
Months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).

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