Contents
- Weather in December
- Frequently asked questions
- Average temperature in December
- Average pressure in December
- Average wind speed in December
- Average humidity in December
- Average rainfall in December
- Average rainfall days in December
- Average snowfall in December
- Average snowfall days in December
- Average daylight in December
- Average sunshine in December
- Average sunshine days in December
- Average UV index in December
- Average cloud cover in December
- Average visibility in December
Weather in December
Temperature
The transition into December is accompanied by a temperature decrease, with the average high-temperature shifting from a frosty 48.6°F (9.2°C) in November to a wintry 34.5°F (1.4°C). Throughout December nights, Greeley registers an average low-temperature of 21.2°F (-6°C).Humidity
In Greeley, the average relative humidity in December is 75%.Rainfall
In Greeley, in December, during 4.5 rainfall days, 1.26" (32mm) of precipitation is typically accumulated. In Greeley, during the entire year, the rain falls for 126 days and collects up to 20.71" (526mm) of precipitation.Snowfall
Months with snowfall are January through May, October through December. The month with the most snowfall is December, when snow falls for 7.6 days and typically aggregates up to 3.35" (85mm) of snow.Daylight
December has the shortest days of the year, with an average of 9h and 12min of daylight.On the first day of December, sunrise is at 7:41 am and sunset at 5:04 pm. On the last day of the month, sunrise is at 8:00 am and sunset at 5:14 pm CST.
Sunshine
In December, the average sunshine is 5.6h.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 reading of 2, and below, represents a low health risk from exposure to the Sun's UV radiation for ordinary individuals.Note: The maximum UV index of 2 during December translates into these guidelines:
Children, babies, and those with sensitive skin should always be shielded from long periods of sun exposure. For skin protection, it's recommended to minimize Sun exposure during its peak hours around midday. For excellent sun protection for the eyes, ears, face, and neck, consider a wide-brim hat. Forewarned is forearmed! The Sun's UV radiation can be almost doubled in intensity by snow reflection.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
How cold is December in Greeley?
What is the average humidity in December?
How many days does it rain in December in Greeley?
When does it snow the most?
How many days does it snow in December?
What is the month with the shortest days?
How many hours of daylight does Greeley have in December?
When are sunrise and sunset in December?
How long on average sun shines in December?
What are the months with the lowest UV index?
How high is the UV index in December?
Average temperature in December
Greeley, NE
- Average high temperature in December: 34.5°F
The warmest month (with the highest average high temperature) is July (85.6°F).
The month with the lowest average high temperature is January (32.5°F).
- Average low temperature in December: 21.2°F
The month with the highest average low temperature is July (64.9°F).
The coldest month (with the lowest average low temperature) is January (18.3°F).
Average pressure in December
Greeley, NE
- Average pressure in December: 30.14"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).
Average wind speed in December
Greeley, NE
- Average wind speed in December: 10.8mph
The windiest month (with the highest average wind speed) is April (11.8mph).
The calmest month (with the lowest average wind speed) is July (8.6mph).
Average humidity in December
Greeley, NE
- Average humidity in December: 75%
The month with the highest relative humidity is January (79%).
The month with the lowest relative humidity is October (61%).
Average rainfall in December
Greeley, NE
- Average rainfall in December: 1.26"
The wettest month (with the highest rainfall) is June (2.87").
The driest month (with the least rainfall) is January (0.55").
Average rainfall days in December
Greeley, NE
- Average rainfall days in December: 4.5 days
The month with the highest number of rainy days is May (16.6 days).
The month with the least rainy days is February (4.1 days).
Average snowfall in December
Greeley, NE
- Average snowfall in December: 3.35"
The month with the highest snowfall is December (3.35").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in December
Greeley, NE
- Average snowfall days in December: 7.6 days
The months with the highest number of snowfall days are January and February (8.7 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Greeley, NE
- Average daylight in December: 9h and 1min
The month with the longest days is June (Average daylight: 15h and 6min).
The month with the shortest days is December (Average daylight: 9h and 12min).
- Average sunshine in December: 5h and 4min
The month with the most sunshine is July (Average sunshine: 10h and 54min).
The month with the least sunshine is January (Average sunshine: 5h and 18min).
Average sunshine days in December
Greeley, NE
- Average sunshine days in December: 20.5 days
The month with the most sunshine days is November (21.5 days).
The month with the least sunshine days is June (9.8 days).
Average UV index in December
Greeley, NE
- Average UV index in December: 2
The months with the highest UV index are June, July and August (UV index 6).
The months with the lowest UV index are January, February, November and December (UV index 2).
Average cloud cover in December
Greeley, NE
- Average cloud cover in December: 41
The months with the most cloud cover are January and February (Cloud cover 43).
The months with the least cloud cover are July and September (Cloud cover 25).
Average visibility in December
Greeley, 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).
Greeley, Nebraska, USA
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