December weather forecastRoyalty, TX
December
Weather in December
December, the first month of the winter in Royalty, is also a moderate month, with an average temperature ranging between min 40.5°F (4.7°C) and max 58.3°F (14.6°C).Temperature
December is the month that records the lowest temperatures, with averages ranging from a high of 58.3°F (14.6°C) to a low of 40.5°F (4.7°C).Humidity
The months with the highest humidity are September and December, with an average relative humidity of 49%.Rainfall
In Royalty, in December, during 2.5 rainfall days, 0.28" (7mm) of precipitation is typically accumulated. Throughout the year, there are 63.3 rainfall days, and 6.61" (168mm) of precipitation is accumulated.Snowfall
January through March, November and December are months with snowfall. The months with the most snowfall in Royalty are November and December, with an average 0.31" (8mm) of accumulated snow.Daylight
December has the shortest days of the year in Royalty, with an average of 10h and 6min of daylight.On the first day of December, sunrise is at 7:33 am and sunset at 5:48 pm. On the last day of the month, sunrise is at 7:50 am and sunset at 5:59 pm CST.
Sunshine
The month with the least sunshine is December, with an average of 7h of sunshine.UV index
The month with the lowest UV index in Royalty is December, with an average maximum UV index of 3. A UV Index estimate of 3 to 5 represents a medium vulnerability from unprotected exposure to Sun's UV rays for ordinary individuals.Note: The maximum daily UV index of 3 in December converts into the following recommendations:
Proceed with care. Light skin individuals may be exposed to burns in fewer than 30 minutes. Direct exposure to the Sun's intense radiation around midday should be avoided for health reasons. For minimizing sun-related eye damage, always choose sunglasses with UVA and UVB coverage. Be cautious! The UV radiation from the Sun can be magnified almost twofold by snow reflection.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Royalty, TX
- Average high temperature in December: 58.3°F
The warmest month (with the highest average high temperature) is June (96.4°F).
The month with the lowest average high temperature is December (58.3°F).
- Average low temperature in December: 40.5°F
The month with the highest average low temperature is August (77°F).
The coldest month (with the lowest average low temperature) is January (39.4°F).
Average pressure in December
Royalty, TX
- Average pressure in December: 30.1"Hg
The month with the highest atmospheric pressure is January (30.14"Hg).
The month with the lowest atmospheric pressure is June (29.84"Hg).
Average wind speed in December
Royalty, TX
- Average wind speed in December: 8.9mph
The windiest month (with the highest average wind speed) is June (13.2mph).
The calmest month (with the lowest average wind speed) is December (8.9mph).
Average humidity in December
Royalty, TX
- Average humidity in December: 49%
The months with the highest relative humidity are September and December (49%).
The month with the lowest relative humidity is April (31%).
Average rainfall in December
Royalty, TX
- Average rainfall in December: 0.28"
The wettest month (with the highest rainfall) is May (1.1").
The driest month (with the least rainfall) is February (0.08").
Average rainfall days in December
Royalty, TX
- Average rainfall days in December: 2.5 days
The month with the highest number of rainy days is September (10 days).
The month with the least rainy days is February (1.9 days).
Average snowfall in December
Royalty, TX
- Average snowfall in December: 0.31"
The months with the highest snowfall are November and December (0.31").
The months with the least snowfall are April, May, June, July, August, September and October (0").
Average snowfall days in December
Royalty, TX
- Average snowfall days in December: 1 days
The month with the highest number of snowfall days is December (1 days).
The months with the least snowfall days are April, May, June, July, August, September and October (0 days).
Average daylight in December /
Average sunshine in December
Royalty, TX
- Average daylight in December: 10h and 6min
The month with the longest days is June (Average daylight: 14h and 12min).
The month with the shortest days is December (Average daylight: 10h and 6min).
- Average sunshine in December: 7h and 0min
The month with the most sunshine is June (Average sunshine: 11h and 48min).
The month with the least sunshine is December (Average sunshine: 7h and 0min).
Average sunshine days in December
Royalty, TX
- Average sunshine days in December: 27.1 days
The month with the most sunshine days is January (27.8 days).
The month with the least sunshine days is September (18.1 days).
Average UV index in December
Royalty, TX
- Average UV index in December: 3
The month with the highest UV index is July (UV index 8).
The month with the lowest UV index is December (UV index 3).
Average cloud cover in December
Royalty, TX
- Average cloud cover in December: 19
The month with the most cloud cover is September (Cloud cover 20).
The month with the least cloud cover is June (Cloud cover 12).
Average visibility in December
Royalty, TX
- 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).
