December weather forecastLyman, NE
December
Weather in December
The first month of the winter, December, is still a cold month in Lyman, Nebraska, with temperature in the range of an average high of 36.5°F (2.5°C) and an average low of 20.7°F (-6.3°C).Temperature
Lyman, Nebraska, experiences its lowest average temperatures in December, reaching a peak of 36.5°F (2.5°C) and a minimum of 20.7°F (-6.3°C).Humidity
In December, the average relative humidity in Lyman is 67%.Rainfall
In December, the rain falls for 3.5 days. Throughout December, 0.55" (14mm) of precipitation is accumulated. In Lyman, Nebraska, during the entire year, the rain falls for 104.8 days and collects up to 13.35" (339mm) of precipitation.Snowfall
January through May, September through December are months with snowfall in Lyman. In December, in Lyman, it is snowing for 7.1 days. Throughout December, 2.48" (63mm) of snow is accumulated. Throughout the year, there are 39 snowfall days, and 17.17" (436mm) of snow is accumulated.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 7:05 am and sunset at 4:25 pm. On the last day of the month, sunrise is at 7:23 am and sunset at 4:35 pm MST.
Sunshine
The average sunshine in December is 6.5h.UV index
The months with the lowest UV index are January, February, November and December, with an average maximum UV index of 2. A UV Index value of 2, and less, symbolizes a minimal health vulnerability from unprotected exposure to Sun's UV rays for average individuals.Note: In December, the UV index of 2 transforms into the following advice:
Children, infants, and individuals with sensitive skin should be constantly protected from extended sun exposure. To avoid the Sun's strongest rays, limit exposure around the mid-day period. Tightly woven clothing, when worn loosely, shields effectively against the Sun. 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
Lyman, 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
Lyman, 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
Lyman, 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
Lyman, 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
Lyman, 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
Lyman, 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
Lyman, 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
Lyman, 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
Lyman, NE
- Average daylight in December: 9h and 12min
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 30min
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
Lyman, 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
Lyman, 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
Lyman, 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
Lyman, 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).





