December weather forecastHarrison, NE
December
Weather in December
December, blanketed in winter, is marked by a drop in temperatures, and the precipitation taking form as 1.77" (45mm) of snowfall. With less daylight and a high relative humidity of 72%, the year comes full circle, returning Harrison to its wintry state. The snow-kissed landscapes and chilly air fervently announce the reunion with winter, bringing the year's weather journey to an end.Temperature
December, noted for its average high-temperature of 32°F (0°C) and an average low-temperature of 18.9°F (-7.3°C), is considered the coldest month.Humidity
The average relative humidity in December is 72%.Rainfall
In Harrison, during December, the rain falls for 2.7 days and regularly aggregates up to 0.39" (10mm) of precipitation. In Harrison, during the entire year, the rain falls for 94.9 days and collects up to 10.39" (264mm) of precipitation.Snowfall
January through May, September through December are months with snowfall. In Harrison, in December, snow falls for 6.6 days, with typically accumulated 1.77" (45mm) of snow. In Harrison, during the entire year, snow falls for 43.5 days and aggregates up to 15.63" (397mm) of snow.Daylight
The month with the shortest days is December, with an average of 9h and 6min of daylight.On the first day of December in Harrison, Nebraska, sunrise is at 7:06 am and sunset at 4:22 pm. On the last day of the month, sunrise is at 7:25 am and sunset at 4:32 pm MST.
Sunshine
The months with the least sunshine are February and December, with an average of 6.2h of sunshine.UV index
January, February, November and December, with an average maximum UV index of 2, are months with the lowest UV index in Harrison. A UV Index value of 2, and less, symbolizes a low health risk from exposure to the Sun's UV rays for average individuals.Note: In December, the average maximum UV index of 2 translates into the following recommendations:
Sun exposure does not present considerable issues for many, yet infants, fair-skinned people, and children necessitate constant protection. It's crucial to reduce time in the direct Sun around mid-day due to the intense solar radiation. Enhance your sun protection with tightly woven, yet airy clothing. Note this! The Sun's UV radiation can nearly be doubled by the reflection off snow.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Harrison, NE
- Average high temperature in December: 32°F
The warmest month (with the highest average high temperature) is July (85.8°F).
The month with the lowest average high temperature is December (32°F).
- Average low temperature in December: 18.9°F
The month with the highest average low temperature is July (64.2°F).
The coldest month (with the lowest average low temperature) is December (18.9°F).
Average pressure in December
Harrison, NE
- Average pressure in December: 30.12"Hg
The month with the highest atmospheric pressure is January (30.13"Hg).
The month with the lowest atmospheric pressure is June (29.84"Hg).
Average wind speed in December
Harrison, NE
- Average wind speed in December: 11.2mph
The windiest month (with the highest average wind speed) is April (11.9mph).
The calmest month (with the lowest average wind speed) is August (9.3mph).
Average humidity in December
Harrison, NE
- Average humidity in December: 72%
The month with the highest relative humidity is January (74%).
The month with the lowest relative humidity is August (44%).
Average rainfall in December
Harrison, NE
- Average rainfall in December: 0.39"
The wettest months (with the highest rainfall) are May and June (1.57").
The driest month (with the least rainfall) is January (0.28").
Average rainfall days in December
Harrison, NE
- Average rainfall days in December: 2.7 days
The month with the highest number of rainy days is May (13.4 days).
The month with the least rainy days is December (2.7 days).
Average snowfall in December
Harrison, NE
- Average snowfall in December: 1.77"
The month with the highest snowfall is March (2.56").
The months with the least snowfall are June, July and August (0").
Average snowfall days in December
Harrison, NE
- Average snowfall days in December: 6.6 days
The month with the highest number of snowfall days is February (8 days).
The months with the least snowfall days are June, July and August (0 days).
Average daylight in December /
Average sunshine in December
Harrison, NE
- Average daylight in December: 9h and 6min
The month with the longest days is June (Average daylight: 15h and 18min).
The month with the shortest days is December (Average daylight: 9h and 6min).
- Average sunshine in December: 6h and 12min
The months with the most sunshine are July and August (Average sunshine: 11h and 48min).
The months with the least sunshine are February and December (Average sunshine: 6h and 12min).
Average sunshine days in December
Harrison, NE
- Average sunshine days in December: 22.9 days
The month with the most sunshine days is December (22.9 days).
The month with the least sunshine days is June (12.3 days).
Average UV index in December
Harrison, 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
Harrison, NE
- Average cloud cover in December: 33
The month with the most cloud cover is February (Cloud cover 36).
The month with the least cloud cover is August (Cloud cover 16).
Average visibility in December
Harrison, 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).





