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's arrival witnesses a distinct temperature drop, receding from November's frosty 49.3°F (9.6°C) to an icy 34.7°F (1.5°C). An average low-temperature of 22.1°F (-5.5°C) is recorded in the month of December.Humidity
The average relative humidity in December is 77%.Rainfall
In Ralston, in December, during 3.8 rainfall days, 1.02" (26mm) of precipitation is typically accumulated. Throughout the year, there are 116 rainfall days, and 20.79" (528mm) of precipitation is accumulated.Snowfall
January through May, October through December are months with snowfall. In December, it is snowing for 6.5 days. Throughout December, 1.42" (36mm) of snow is accumulated. In Ralston, during the entire year, snow falls for 29.5 days and aggregates up to 8.07" (205mm) of snow.Daylight
December has the shortest days of the year, with an average of 9h and 18min of daylight.On the first day of the month, sunrise is at 7:30 am and sunset at 4:55 pm. On the last day of December, sunrise is at 7:49 am and sunset at 5:05 pm CST.
Sunshine
The average sunshine in December in Ralston is 5h.UV index
January, February, October through December, with an average maximum UV index of 2, are months with the lowest UV index in Ralston. A UV Index reading of 2, and below, represents a low threat to health from exposure to the Sun's UV radiation for ordinary individuals.Note: In December, a regular UV index of 2 translates into these guidelines:
The majority are not significantly affected by prolonged sun exposure. Infants, children, and those with fair skin must always have protection. The Sun's harshest UV rays are around midday; it's wise to seek shade and limit time outdoors. Shield yourself from the harmful effects of UV radiation with sun-protective attire, a hat, and quality sunglasses. Be alert! Nearly double the UV rays from the Sun can be reflected by snow.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
How cold is it in December?
What is the average humidity in December?
How many days does it rain in December in Ralston?
How many days does it snow in December?
What is the month with the shortest days?
How many hours of daylight does Ralston have in December?
When is the sunrise / sunset in December?
How long on average sun shines in December?
What is the month with the lowest UV index?
What is the UV index reading in December?
Average temperature in December
Ralston, NE
- Average high temperature in December: 34.7°F
The warmest month (with the highest average high temperature) is July (84.6°F).
The month with the lowest average high temperature is January (30.7°F).
- Average low temperature in December: 22.1°F
The month with the highest average low temperature is July (66.4°F).
The coldest month (with the lowest average low temperature) is January (16.9°F).
Average pressure in December
Ralston, 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 (29.86"Hg).
Average wind speed in December
Ralston, NE
- Average wind speed in December: 9.6mph
The windiest month (with the highest average wind speed) is April (10.5mph).
The calmest month (with the lowest average wind speed) is July (7mph).
Average humidity in December
Ralston, NE
- Average humidity in December: 77%
The month with the highest relative humidity is January (80%).
The month with the lowest relative humidity is October (66%).
Average rainfall in December
Ralston, NE
- Average rainfall in December: 1.02"
The wettest month (with the highest rainfall) is June (3.74").
The driest month (with the least rainfall) is January (0.51").
Average rainfall days in December
Ralston, NE
- Average rainfall days in December: 3.8 days
The month with the highest number of rainy days is May (16.3 days).
The month with the least rainy days is February (2.8 days).
Average snowfall in December
Ralston, NE
- Average snowfall in December: 1.42"
The month with the highest snowfall is February (2.13").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in December
Ralston, NE
- Average snowfall days in December: 6.5 days
The month with the highest number of snowfall days is January (8.5 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Ralston, NE
- Average daylight in December: 9h and 2min
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 18min).
- Average sunshine in December: 5h and 0min
The month with the most sunshine is July (Average sunshine: 10h and 30min).
The month with the least sunshine is January (Average sunshine: 4h and 42min).
Average sunshine days in December
Ralston, NE
- Average sunshine days in December: 21.3 days
The month with the most sunshine days is November (22.4 days).
The month with the least sunshine days is June (11.7 days).
Average UV index in December
Ralston, 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, October, November and December (UV index 2).
Average cloud cover in December
Ralston, NE
- Average cloud cover in December: 44
The month with the most cloud cover is January (Cloud cover 48).
The month with the least cloud cover is July (Cloud cover 26).
Average visibility in December
Ralston, 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).
Ralston, Nebraska, USA
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