December weather forecast and climate
Grand Island, NE

Weather in December

December, the first month of the winter, in Grand Island, is also a wintry month, with average temperature ranging between min 22.1°F (-5.5°C) and max 36.1°F (2.3°C).

Temperature

In December, the average high-temperature decreases, from a fresh 50.2°F (10.1°C) in November, to a cold 36.1°F (2.3°C). In Grand Island, in December, the average low-temperature is 22.1°F (-5.5°C).

Humidity

In December, the average relative humidity is 73%.

Rainfall

In Grand Island, it is raining for 3.2 days, with typically 1.34" (34mm) of accumulated precipitation. Throughout the year, in Grand Island, there are 109.5 rainfall days, and 19.37" (492mm) of precipitation is accumulated.

Snowfall

Months with snowfall in Grand Island are January through May, October through December. December is the month with the most snowfall. Snow falls for 5.4 days and accumulates 3.23" (82mm) of snow.

Daylight

December has the shortest days of the year, with an average of 9.3h of daylight.

Sunshine

In Grand Island, Nebraska, the average sunshine is 5.5h.

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 the UV radiation for average individuals.
Note: The average daily UV index of 2 transform into the following instructions:
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. 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. Beware! The strength of the UV rays is increased nearly double-fold by the reflection of the snow.
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FAQ

What is the temperature in December in Grand Island?

In December, in Grand Island, Nebraska, the average high-temperature is 36.1°F (2.3°C), and the average low-temperature is 22.1°F (-5.5°C).

What is the average humidity in December in Grand Island?

The average relative humidity in December in Grand Island, Nebraska, is 73%.

How many days does it rain in December in Grand Island?

In Grand Island, Nebraska, during December, the rain falls for 3.2 days and regularly aggregates up to 1.34" (34mm) of precipitation.

How many days does it snow in December in Grand Island?

In Grand Island, Nebraska, in December, snow falls for 5.4 days, with typically accumulated 3.23" (82mm) of snow.

What is the snowiest month in Grand Island?

The month with the most snowfall in Grand Island is December when snow falls for 5.4 days and typically aggregates up to 3.23" (82mm) of snow.

What is the month with the shortest days in Grand Island?

The month with the shortest days is December, with an average of 9.3h of daylight.

How many hours of daylight does Grand Island have in December?

In December, the average length of the day is 9.3h.

How many hours of sunshine does Grand Island have in December?

In December, the average sunshine is 5.5h.

When is the lowest UV index in Grand Island?

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

What is the UV index reading in December in Grand Island?

In Grand Island, Nebraska, the average daily maximum UV index in December is 2. A UV Index of 2, and less, symbolizes a minimal health vulnerability from the exposure to the Sun's UV radiation.

Average temperature in December
Grand Island, NE

Average temperature in December - Grand Island, NE
  • Average high temperature in December: 2.3°C

The warmest month (with the highest average high temperature) is July (30.4°C).
The month with the lowest average high temperature is January (0.8°C).

  • Average low temperature in December: -5.5°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 (-7.2°C).

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Average pressure in December
Grand Island, NE

Average pressure in December - Grand Island, NE
  • Average pressure in December: 1020.5mbar

The month with the highest atmospheric pressure is January (1021.7mbar).
The month with the lowest atmospheric pressure is June (1010.9mbar).

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Average wind speed in December
Grand Island, NE

Average wind speed in December - Grand Island, NE
  • Average wind speed in December: 16.8km/h

The windiest month (with the highest average wind speed) is April (18.7km/h).
The calmest month (with the lowest average wind speed) is July (12.9km/h).

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Average humidity in December
Grand Island, NE

Average humidity in December - Grand Island, NE
  • Average humidity in December: 73%

The month with the highest relative humidity is January (78%).
The month with the lowest relative humidity is October (61%).

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Average rainfall in December
Grand Island, NE

Average rainfall in December - Grand Island, NE
  • Average rainfall in December: 34mm

The wettest month (with the highest rainfall) is May (83mm).
The driest month (with the least rainfall) is January (13mm).

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Average rainfall days in December
Grand Island, NE

Average rainfall days in December - Grand Island, NE
  • Average rainfall days in December: 3.2 days

The month with the highest number of rainy days is May (15 days).
The month with the least rainy days is February (1.7 days).

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Average snowfall in December
Grand Island, NE

Average snowfall in December - Grand Island, NE
  • Average snowfall in December: 82mm

The month with the highest snowfall is December (82mm).
Months with the least snowfall are June, July, August and September (0mm).

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Average snowfall days in December
Grand Island, NE

Average snowfall days in December - Grand Island, NE
  • Average snowfall days in December: 5.4 days

The month with the highest number of snowfall days is February (6.3 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
Grand Island, NE

Average daylight in December / Average sunshine in December - Grand Island, NE
  • Average daylight in December: 9.3h

The month with the longest days is June (Average daylight: 15.1h).
The month with the shortest days is December (Average daylight: 9.3h).

  • Average sunshine in December: 5.5h

The month with the most sunshine is July (Average sunshine: 10.6h).
The month with the least sunshine is January (Average sunshine: 5.4h).

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Average sunshine days in December
Grand Island, NE

Average sunshine days in December - Grand Island, NE
  • Average sunshine days in December: 22.5 days

The month with the most sunshine days is November (22.9 days).
The month with the least sunshine days is June (13.6 days).

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Average UV index in December
Grand Island, NE

Average UV index in December - Grand Island, 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).

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Average cloud cover in December
Grand Island, NE

Average cloud cover in December - Grand Island, NE
  • Average cloud cover in December: 39

The month with the most cloud cover is February (Cloud cover 43).
The month with the least cloud cover is July (Cloud cover 26).

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Average visibility in December
Grand Island, NE

Average visibility in December - Grand Island, NE
  • Average visibility in December: 9km

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

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