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
Lewiston, Nebraska, in December demonstrates a small temperature transition, adjusting from an average high of a cool 50.7°F (10.4°C) in November to a cold 36.7°F (2.6°C). In the month of December, Lewiston records a consistent average low-temperature of 23.5°F (-4.7°C).Humidity
The average relative humidity in December in Lewiston is 74%.Rainfall
In December, in Lewiston, Nebraska, the rain falls for 4.1 days. Throughout December, 0.91" (23mm) of precipitation is accumulated. Throughout the year, in Lewiston, there are 105 rainfall days, and 15.94" (405mm) of precipitation is accumulated.Snowfall
Months with snowfall in Lewiston, Nebraska, are January through April, October through December. In December, it is snowing for 4.4 days. Throughout December, 0.51" (13mm) of snow is accumulated. In Lewiston, during the entire year, snow falls for 22.4 days and aggregates up to 4.57" (116mm) of snow.Daylight
With an average of 9h and 24min of daylight, December has the shortest days of the year.On the first day of December, sunrise is at 7:29 am and sunset at 5:00 pm. On the last day of the month, sunrise is at 7:48 am and sunset at 5:09 pm CST.
Sunshine
In December, the average sunshine in Lewiston 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 Lewiston. A UV Index value of 2, and less, symbolizes a minimal health vulnerability from exposure to the Sun's UV radiation for the ordinary person.Note: The daily high UV index of 2 in December translates into this advice:
While most people can stay under the sun for an hour without burning, children must always be guarded against sun exposure. The Sun is most powerful around mid-day, so it's a good practice to reduce direct exposure. Experience reduced UV exposure by about half when donning a wide-brim hat. Mark this! Snow reflection can nearly double the UV radiation intensity from the Sun.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
How cold is December in Lewiston?
What is the average humidity in December in Lewiston?
How many days does it rain in December in Lewiston?
How many days does it snow in December in Lewiston?
What is the month with the shortest days in Lewiston?
What is the average length of the day in December in Lewiston?
When are sunrise and sunset in December in Lewiston?
How long on average sun shines in December in Lewiston?
What is the month with the lowest UV index in Lewiston?
What is the UV index reading in December in Lewiston?
Average temperature in December
Lewiston, NE
- Average high temperature in December: 36.7°F
The warmest month (with the highest average high temperature) is July (86°F).
The month with the lowest average high temperature is January (33.1°F).
- Average low temperature in December: 23.5°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 (19.4°F).
Average pressure in December
Lewiston, 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
Lewiston, NE
- Average wind speed in December: 10mph
The windiest months (with the highest average wind speed) are March and April (10.7mph).
The calmest months (with the lowest average wind speed) are July and August (7.3mph).
Average humidity in December
Lewiston, NE
- Average humidity in December: 74%
The month with the highest relative humidity is January (77%).
The month with the lowest relative humidity is October (66%).
Average rainfall in December
Lewiston, NE
- Average rainfall in December: 0.91"
The wettest month (with the highest rainfall) is May (2.83").
The driest months (with the least rainfall) are January and February (0.35").
Average rainfall days in December
Lewiston, NE
- Average rainfall days in December: 4.1 days
The month with the highest number of rainy days is May (14.8 days).
The month with the least rainy days is February (3 days).
Average snowfall in December
Lewiston, NE
- Average snowfall in December: 0.51"
The month with the highest snowfall is January (1.1").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in December
Lewiston, NE
- Average snowfall days in December: 4.4 days
The month with the highest number of snowfall days is February (6.4 days).
The months with the least snowfall days are June, July and August (0 days).
Average daylight in December /
Average sunshine in December
Lewiston, 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 24min).
- Average sunshine in December: 5h and 2min
The month with the most sunshine is July (Average sunshine: 10h and 36min).
The month with the least sunshine is January (Average sunshine: 5h and 6min).
Average sunshine days in December
Lewiston, NE
- Average sunshine days in December: 23.2 days
The month with the most sunshine days is November (24.2 days).
The month with the least sunshine days is May (13.8 days).
Average UV index in December
Lewiston, 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
Lewiston, NE
- Average cloud cover in December: 40
The months with the most cloud cover are January and March (Cloud cover 44).
The month with the least cloud cover is July (Cloud cover 25).
Average visibility in December
Lewiston, 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).
Lewiston, Nebraska, USA
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