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
The decrease of average high-temperatures is mild in December, with a decline from a cool 50.4°F (10.2°C) in November to a cold 36.5°F (2.5°C). Riverdale experiences an average nighttime temperature of 22.5°F (-5.3°C) in the month of December.Humidity
In December, the average relative humidity is 72%.Rainfall
In Riverdale, during December, the rain falls for 4.3 days and regularly aggregates up to 1.26" (32mm) of precipitation. Throughout the year, in Riverdale, there are 102.6 rainfall days, and 17.44" (443mm) of precipitation is accumulated.Snowfall
Months with snowfall are January through April, October through December. December is the month with the most snowfall. Snow falls for 6.4 days and accumulates 4.17" (106mm) of snow.Daylight
With an average of 9h and 18min of daylight, December has the shortest days of the year.On the first day of December, sunrise is at 7:42 am and sunset at 5:09 pm. On the last day of the month, sunrise is at 8:00 am and sunset at 5:19 pm CST.
Sunshine
With an average of 5.6h of sunshine, December has the least sunshine of the year in Riverdale.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 reading of 2, and below, represents a minimal health hazard from exposure to the Sun's UV rays for the average person.Note: A maximum high UV index of 2 in December translates into the following recommendations:
Most individuals face no significant issues with extended sun exposure, but it is always essential to protect children, babies, and those with sensitive skin. When the Sun is at its strongest around midday, find shade and limit exposure. Clothes that are both tight-knit and comfortably loose are prime choices for sun protection. Beware! Reflection from snow can magnify the Sun's UV radiation nearly twofold.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
How cold is it in Riverdale in December?
What is the average humidity in December in Riverdale?
How much does it rain in Riverdale in December?
What is the snowiest month in Riverdale?
How many days does it snow in December in Riverdale?
What is the month with the shortest days in Riverdale?
What is the average length of the day in December in Riverdale?
When is the sunrise / sunset in December in Riverdale?
What is the month with the least sunshine in Riverdale?
How many hours of sunshine does Riverdale have in December?
What is the month with the lowest UV index in Riverdale?
What is the UV index intensity in December in Riverdale?
Average temperature in December
Riverdale, NE
- Average high temperature in December: 36.5°F
The warmest month (with the highest average high temperature) is July (88°F).
The month with the lowest average high temperature is January (34.9°F).
- Average low temperature in December: 22.5°F
The month with the highest average low temperature is July (66°F).
The coldest month (with the lowest average low temperature) is January (19.9°F).
Average pressure in December
Riverdale, NE
- Average pressure in December: 30.14"Hg
The month with the highest atmospheric pressure is January (30.17"Hg).
The month with the lowest atmospheric pressure is June (29.85"Hg).
Average wind speed in December
Riverdale, NE
- Average wind speed in December: 10.5mph
The windiest month (with the highest average wind speed) is April (11.9mph).
The calmest month (with the lowest average wind speed) is July (8.5mph).
Average humidity in December
Riverdale, NE
- Average humidity in December: 72%
The month with the highest relative humidity is January (76%).
The month with the lowest relative humidity is October (59%).
Average rainfall in December
Riverdale, NE
- Average rainfall in December: 1.26"
The wettest month (with the highest rainfall) is May (2.83").
The driest month (with the least rainfall) is January (0.55").
Average rainfall days in December
Riverdale, NE
- Average rainfall days in December: 4.3 days
The month with the highest number of rainy days is May (15.6 days).
The month with the least rainy days is February (3.3 days).
Average snowfall in December
Riverdale, NE
- Average snowfall in December: 4.17"
The month with the highest snowfall is December (4.17").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in December
Riverdale, NE
- Average snowfall days in December: 6.4 days
The month with the highest number of snowfall days is February (8.1 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Riverdale, 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 4min
The month with the most sunshine is July (Average sunshine: 10h and 54min).
The month with the least sunshine is December (Average sunshine: 5h and 36min).
Average sunshine days in December
Riverdale, NE
- Average sunshine days in December: 20.8 days
The month with the most sunshine days is November (23.5 days).
The month with the least sunshine days is May (13.8 days).
Average UV index in December
Riverdale, 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
Riverdale, NE
- Average cloud cover in December: 38
The months with the most cloud cover are January, February and March (Cloud cover 40).
The month with the least cloud cover is July (Cloud cover 24).
Average visibility in December
Riverdale, 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).
Riverdale, Nebraska, USA
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