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 brings with it a considerable temperature decrease, with average high-temperatures dropping from November's chilly 46.9°F (8.3°C) to a cold 32.2°F (0.1°C). Royal registers a consistent average low-temperature of 20.3°F (-6.5°C) during December.Humidity
In Royal, the average relative humidity in December is 78%.Rainfall
In Royal, Nebraska, in December, it is raining for 3 days, with typically 1.3" (33mm) of accumulated precipitation. In Royal, during the entire year, the rain falls for 110.3 days and collects up to 19.41" (493mm) of precipitation.Snowfall
January through May, October through December are months with snowfall. The month with the most snowfall is December, when snow falls for 7.6 days and typically aggregates up to 3.5" (89mm) of snow.Daylight
December has the shortest days of the year, with an average of 9h and 6min of daylight.On the first day of the month, sunrise is at 7:42 am and sunset at 5:00 pm. On the last day of December, sunrise is at 8:01 am and sunset at 5:10 pm CST.
Sunshine
In December, the average sunshine is 5.1h.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 reading of 2, and below, represents a minimal health hazard from exposure to the Sun's UV radiation for average individuals.Note: In December, the maximum UV index of 2 translates into these guidelines:
Despite the majority tolerating prolonged sun exposure, those with sensitive skin, infants, and children demand continual protection. Avoiding direct sun during mid-day hours can prevent harmful UV radiation exposure. Outfit yourself in sun-safe attire, like long sleeves, pants, a hat, and UV-blocking sunglasses. Be advised! The UV radiation from the Sun can be almost doubled due to the reflective properties of snow.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
How cold is December?
What is the average humidity in December?
How many days does it rain in December?
What is the snowiest month in Royal?
How many days does it snow in December?
What is the month with the shortest days?
How many hours of daylight does Royal have in December?
When is the sunrise / sunset in December?
How long on average sun shines in December?
What are the months with the lowest UV index?
What is the UV index intensity in December?
Average temperature in December
Royal, NE
- Average high temperature in December: 32.2°F
The warmest month (with the highest average high temperature) is July (84.2°F).
The month with the lowest average high temperature is January (29.1°F).
- Average low temperature in December: 20.3°F
The month with the highest average low temperature is July (64.9°F).
The coldest month (with the lowest average low temperature) is January (16.7°F).
Average pressure in December
Royal, 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 (29.85"Hg).
Average wind speed in December
Royal, NE
- Average wind speed in December: 11.2mph
The windiest month (with the highest average wind speed) is April (11.6mph).
The calmest month (with the lowest average wind speed) is July (8.3mph).
Average humidity in December
Royal, NE
- Average humidity in December: 78%
The month with the highest relative humidity is January (82%).
The month with the lowest relative humidity is October (63%).
Average rainfall in December
Royal, NE
- Average rainfall in December: 1.3"
The wettest month (with the highest rainfall) is May (2.56").
The driest month (with the least rainfall) is February (0.55").
Average rainfall days in December
Royal, NE
- Average rainfall days in December: 3 days
The month with the highest number of rainy days is June (16.2 days).
The month with the least rainy days is February (2.3 days).
Average snowfall in December
Royal, NE
- Average snowfall in December: 3.5"
The month with the highest snowfall is December (3.5").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in December
Royal, NE
- Average snowfall days in December: 7.6 days
The month with the highest number of snowfall days is January (8 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Royal, NE
- Average daylight in December: 9h and 1min
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 6min).
- Average sunshine in December: 5h and 1min
The month with the most sunshine is July (Average sunshine: 10h and 36min).
The month with the least sunshine is January (Average sunshine: 4h and 42min).
Average sunshine days in December
Royal, NE
- Average sunshine days in December: 20.9 days
The month with the most sunshine days is November (22.8 days).
The month with the least sunshine days is June (11.1 days).
Average UV index in December
Royal, 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
Royal, NE
- Average cloud cover in December: 44
The month with the most cloud cover is January (Cloud cover 50).
The month with the least cloud cover is July (Cloud cover 26).
Average visibility in December
Royal, 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).
Royal, Nebraska, USA
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