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
December is the month when Hartman sees the lowest average temperatures, with a high of 36.5°F (2.5°C) and a low of 20.7°F (-6.3°C).Humidity
In Hartman, the average relative humidity in December is 67%.Rainfall
In December, the rain falls for 3.5 days. Throughout December, 0.55" (14mm) of precipitation is accumulated. Throughout the year, in Hartman, there are 104.8 rainfall days, and 13.35" (339mm) of precipitation is accumulated.Snowfall
January through May, September through December are months with snowfall. In December, in Hartman, it is snowing for 7.1 days. Throughout December, 2.48" (63mm) of snow is accumulated. In Hartman, during the entire year, snow falls for 39 days and aggregates up to 17.17" (436mm) 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 the month, sunrise is at 7:04 am and sunset at 4:25 pm. On the last day of December, sunrise is at 7:23 am and sunset at 4:35 pm MST.
Sunshine
In Hartman, the average sunshine in December is 6.5h.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 value of 2, and less, symbolizes a low health risk from unprotected exposure to Sun's UV rays for ordinary individuals.Note: The daily high UV index of 2 during December translates into the following recommendations:
While sun exposure does not greatly affect most, individuals with fair skin, babies, and children always need vigilant safeguarding. The most potent solar radiation is around mid-day, so one should minimize exposure to direct sunlight during this period. In bright sunlight, prioritize sunglasses that grant protection from UVA and UVB radiation. Be on the lookout! Nearly twofold UV radiation from the Sun can be reflected by snow.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What are the coldest months?
How cold is December?
What is the average humidity in December?
How many days does it rain in December?
How much does it snow in December?
What is the month with the shortest days?
How many hours of daylight does Hartman have in December?
When are sunrise and sunset in December?
How many hours of sunshine does Hartman have in December?
When is the lowest UV index?
How high is the UV index in December?
Average temperature in December
Hartman, NE
- Average high temperature in December: 36.5°F
The warmest month (with the highest average high temperature) is July (88.3°F).
The month with the lowest average high temperature is December (36.5°F).
- Average low temperature in December: 20.7°F
The month with the highest average low temperature is July (63.7°F).
The coldest month (with the lowest average low temperature) is December (20.7°F).
Average pressure in December
Hartman, NE
- Average pressure in December: 30.12"Hg
The months with the highest atmospheric pressure are January and December (30.12"Hg).
The month with the lowest atmospheric pressure is June (29.84"Hg).
Average wind speed in December
Hartman, NE
- Average wind speed in December: 10.1mph
The windiest month (with the highest average wind speed) is April (11.6mph).
The calmest month (with the lowest average wind speed) is August (8.6mph).
Average humidity in December
Hartman, NE
- Average humidity in December: 67%
The month with the highest relative humidity is January (68%).
The months with the lowest relative humidity are August and September (46%).
Average rainfall in December
Hartman, NE
- Average rainfall in December: 0.55"
The wettest month (with the highest rainfall) is May (2.36").
The driest month (with the least rainfall) is January (0.35").
Average rainfall days in December
Hartman, NE
- Average rainfall days in December: 3.5 days
The month with the highest number of rainy days is May (13.9 days).
The month with the least rainy days is December (3.5 days).
Average snowfall in December
Hartman, NE
- Average snowfall in December: 2.48"
The month with the highest snowfall is February (2.76").
The months with the least snowfall are June, July and August (0").
Average snowfall days in December
Hartman, NE
- Average snowfall days in December: 7.1 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
Hartman, NE
- Average daylight in December: 9h and 1min
The month with the longest days is June (Average daylight: 15h and 12min).
The month with the shortest days is December (Average daylight: 9h and 12min).
- Average sunshine in December: 6h and 3min
The month with the most sunshine is August (Average sunshine: 11h and 42min).
The month with the least sunshine is February (Average sunshine: 6h and 18min).
Average sunshine days in December
Hartman, NE
- Average sunshine days in December: 21.6 days
The month with the most sunshine days is December (21.6 days).
The month with the least sunshine days is July (12.3 days).
Average UV index in December
Hartman, 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
Hartman, NE
- Average cloud cover in December: 31
The months with the most cloud cover are February and April (Cloud cover 33).
The month with the least cloud cover is August (Cloud cover 16).
Average visibility in December
Hartman, 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).
Hartman, Nebraska, USA
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