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
In December, the average high-temperature decreases from a fresh 50.9°F (10.5°C) in November to a wintry 36.9°F (2.7°C). In December, the average low-temperature is 23°F (-5°C).Humidity
In December, the average relative humidity in Cortland is 74%.Rainfall
In Cortland, during December, the rain falls for 3.5 days and regularly aggregates up to 1.42" (36mm) of precipitation. In Cortland, during the entire year, the rain falls for 115.2 days and collects up to 22.56" (573mm) of precipitation.Snowfall
January through May, October through December are months with snowfall in Cortland. In Cortland, Nebraska, snow falls for 4.5 days, with typically accumulated 1.73" (44mm) of snow. In Cortland, during the entire year, snow falls for 22.2 days and aggregates up to 10.71" (272mm) of snow.Daylight
With an average of 9h and 20min of daylight, December has the shortest days of the year in Cortland.On the first day of December in Cortland, sunrise is at 7:30 am and sunset at 5:00 pm. On the last day of the month, sunrise is at 7:49 am and sunset at 5:09 pm CST.
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 Cortland. A UV Index value of 2, and less, symbolizes a low health risk from unprotected exposure to Sun's UV rays for ordinary individuals.Note: The average daily UV index of 2 in December transform into the following instructions:
People with sensitive skin, children, and babies should always be protected from prolonged sun exposure. 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. Caution! The reflection of snow can nearly double the intensity of the Sun's UV radiation.
FAQ
What is the temperature in December in Cortland?
What is the average humidity in December in Cortland?
How many days does it rain in December in Cortland?
How much does it snow in Cortland in December?
What is the month with the shortest days in Cortland?
What is the average length of the day in December in Cortland?
When is the sunrise / sunset in December in Cortland?
How many hours of sunshine does Cortland have in December?
What is the month with the lowest UV index in Cortland?
What is the UV index reading in December in Cortland?
Average temperature in December
Cortland, NE
- Average high temperature in December: 36.9°F
The warmest month (with the highest average high temperature) is July (86.7°F).
The month with the lowest average high temperature is January (33.3°F).
- Average low temperature in December: 23°F
The month with the highest average low temperature is July (67.3°F).
The coldest month (with the lowest average low temperature) is January (18.9°F).
Average pressure in December
Cortland, NE
- Average pressure in December: 30.13"Hg
The month with the highest atmospheric pressure is January (30.16"Hg).
The month with the lowest atmospheric pressure is June (29.85"Hg).
Average wind speed in December
Cortland, NE
- Average wind speed in December: 10.3mph
The windiest month (with the highest average wind speed) is April (11.4mph).
The calmest month (with the lowest average wind speed) is July (7.8mph).
Average humidity in December
Cortland, NE
- Average humidity in December: 74%
The month with the highest relative humidity is January (78%).
The month with the lowest relative humidity is October (64%).
Average rainfall in December
Cortland, NE
- Average rainfall in December: 1.42"
The wettest month (with the highest rainfall) is May (3.66").
The driest month (with the least rainfall) is February (0.67").
Average rainfall days in December
Cortland, NE
- Average rainfall days in December: 3.5 days
The month with the highest number of rainy days is May (16.5 days).
The month with the least rainy days is February (2.8 days).
Average snowfall in December
Cortland, NE
- Average snowfall in December: 1.73"
The month with the highest snowfall is January (2.83").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in December
Cortland, NE
- Average snowfall days in December: 4.5 days
The month with the highest number of snowfall days is February (5.6 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Cortland, NE
- Average daylight in December: 9h and 2min
The month with the longest days is June (Average daylight: 15h and 0min).
The month with the shortest days is December (Average daylight: 9h and 18min).
- Average sunshine in December: 5h and 2min
The month with the most sunshine is July (Average sunshine: 10h and 30min).
The month with the least sunshine is January (Average sunshine: 5h and 6min).
Average sunshine days in December
Cortland, NE
- Average sunshine days in December: 22.3 days
The month with the most sunshine days is November (22.8 days).
The month with the least sunshine days is May (12.3 days).
Average UV index in December
Cortland, 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
Cortland, NE
- Average cloud cover in December: 40
The month with the most cloud cover is March (Cloud cover 44).
The month with the least cloud cover is July (Cloud cover 25).
Average visibility in December
Cortland, 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).
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