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 signals a distinct temperature shift, dropping from a frosty 46.9°F (8.3°C) in November to an icy 32.2°F (0.1°C). In the month of December, Royal witnesses a consistent average low-temperature of 20.3°F (-6.5°C).Humidity
The average relative humidity in December is 78%.Rainfall
In Royal, 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
Months with snowfall in Royal are January through May, October through December. 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 December, sunrise is at 7:42 am and sunset at 5:00 pm. On the last day of the month, sunrise is at 8:01 am and sunset at 5:10 pm CST.
Sunshine
In December, the average sunshine in Royal 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 estimate of 2, and below, represents a low health risk from unprotected exposure to Sun's UV rays for the ordinary person.Note: The maximum daily UV index of 2 in December converts into the following recommendations:
Babies, children, and those with sensitive skin should always avoid extended periods in the sun. Around midday, solar radiation is most harmful; hence, exposure should be limited. Sun-related eye harm can be minimized with proper sunglasses offering UVA and UVB coverage. Bear in mind! The Sun's UV radiation can nearly double in intensity due to the reflective quality of snow.
Frequently asked questions
How cold is it in Royal in December?
What is the average humidity in December in Royal?
How much does it rain in Royal in December?
When does it snow the most in Royal?
How much does it snow in Royal in December?
What is the month with the shortest days in Royal?
How many hours of daylight does Royal have in December?
When are sunrise and sunset in December in Royal?
How long on average sun shines in December in Royal?
When is the lowest UV index in Royal?
What is the UV index reading in December in Royal?
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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