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 correlates with a reduction in the average high-temperature, down from a fresh 50.5°F (10.3°C) in November to an icy 36.9°F (2.7°C). Throughout December, Smithfield's nights cool down to an average of 22.3°F (-5.4°C).Humidity
The average relative humidity in December is 71%.Rainfall
In December, the rain falls for 5.1 days. Throughout December, 1.06" (27mm) of precipitation is accumulated. In Smithfield, during the entire year, the rain falls for 117 days and collects up to 18.35" (466mm) of precipitation.Snowfall
January through May, October through December are months with snowfall. In December, in Smithfield, it is snowing for 6.2 days. Throughout December, 2.91" (74mm) of snow is accumulated. Throughout the year, there are 31.7 snowfall days, and 14.69" (373mm) of snow is accumulated.Daylight
The month with the shortest days is December, with an average of 9h and 18min of daylight.On the first day of December, sunrise is at 7:43 am and sunset at 5:12 pm. On the last day of the month, sunrise is at 8:02 am and sunset at 5:22 pm CST.
Sunshine
The average sunshine in December is 6.1h.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 of 2, and less, symbolizes a low threat to health from unsafe exposure to UV radiation for the ordinary person.Note: In December, the maximum UV index of 2 translates into these guidelines:
While most individuals can withstand prolonged sun exposure, it is imperative that babies, children, and those with sensitive skin always be shielded. The midday Sun can be harmful due to its potent UV radiation; seek shade and reduce exposure. To cut down UV radiation exposure by about half, sport a wide-brim hat. Pay attention! The reflection of snow can enhance the Sun's UV radiation almost double.
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 much does it rain in December?
How much does it snow in December?
What is the month with the shortest days?
What is the average length of the day in December in Smithfield?
When are sunrise and sunset in December?
How long on average sun shines in December?
When is the lowest UV index?
What is the UV index reading in December?
Average temperature in December
Smithfield, NE
- Average high temperature in December: 36.9°F
The warmest month (with the highest average high temperature) is July (88.3°F).
The month with the lowest average high temperature is January (35.8°F).
- Average low temperature in December: 22.3°F
The month with the highest average low temperature is July (65.5°F).
The coldest month (with the lowest average low temperature) is January (21°F).
Average pressure in December
Smithfield, NE
- Average pressure in December: 30.14"Hg
The month with the highest atmospheric pressure is January (30.16"Hg).
The month with the lowest atmospheric pressure is June (29.84"Hg).
Average wind speed in December
Smithfield, NE
- Average wind speed in December: 10.3mph
The windiest month (with the highest average wind speed) is April (11.9mph).
The calmest month (with the lowest average wind speed) is July (8.8mph).
Average humidity in December
Smithfield, NE
- Average humidity in December: 71%
The month with the highest relative humidity is January (75%).
The month with the lowest relative humidity is October (58%).
Average rainfall in December
Smithfield, NE
- Average rainfall in December: 1.06"
The wettest month (with the highest rainfall) is May (3.03").
The driest month (with the least rainfall) is January (0.51").
Average rainfall days in December
Smithfield, NE
- Average rainfall days in December: 5.1 days
The month with the highest number of rainy days is May (16.8 days).
The month with the least rainy days is February (3.9 days).
Average snowfall in December
Smithfield, NE
- Average snowfall in December: 2.91"
The month with the highest snowfall is February (3.62").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in December
Smithfield, NE
- Average snowfall days in December: 6.2 days
The month with the highest number of snowfall days is January (7.6 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Smithfield, 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 18min).
- Average sunshine in December: 6h and 1min
The month with the most sunshine is July (Average sunshine: 11h and 6min).
The month with the least sunshine is January (Average sunshine: 5h and 54min).
Average sunshine days in December
Smithfield, NE
- Average sunshine days in December: 21.8 days
The month with the most sunshine days is November (22.5 days).
The month with the least sunshine days is June (11.2 days).
Average UV index in December
Smithfield, 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
Smithfield, NE
- Average cloud cover in December: 34
The month with the most cloud cover is February (Cloud cover 38).
The month with the least cloud cover is September (Cloud cover 22).
Average visibility in December
Smithfield, 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).
Smithfield, Nebraska, USA
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