December weather forecastCibolo, TX
December
Weather in December
December, the first month of the winter in Cibolo, is still a refreshing month, with an average temperature ranging between max 61.9°F (16.6°C) and min 47.1°F (8.4°C).Temperature
With the arrival of December, Cibolo experiences a modest decline in average high-temperatures, transitioning from a pleasant 69.4°F (20.8°C) in November to a refreshing 61.9°F (16.6°C). During the nights in December, Cibolo observes an average low-temperature of 47.1°F (8.4°C).Humidity
In December, the average relative humidity is 70%.Rainfall
In December, the rain falls for 10.3 days. Throughout December, 0.98" (25mm) of precipitation is accumulated. Throughout the year, there are 138.4 rainfall days, and 19.57" (497mm) of precipitation is accumulated.Snowfall
January, February and December are months with snowfall. December is the first month it typically snows. Throughout December, in the average 0.3 snowfall days, it receives 0.04" (1mm) of snow. Throughout the year, there are 0.9 snowfall days, and 0.2" (5mm) of snow is accumulated.Daylight
The month with the shortest days is December, with an average of 10h and 18min of daylight.On the first day of the month, sunrise is at 7:10 am and sunset at 5:33 pm. On the last day of December, sunrise is at 7:27 am and sunset at 5:44 pm CST.
Sunshine
December has the least sunshine of the year in Cibolo, with an average of 5.2h of sunshine.UV index
December is the month with the lowest UV index, with an average maximum UV index of 3. A UV Index value of 3 to 5 symbolizes a medium vulnerability from exposure to the Sun's UV radiation for the ordinary person.Note: The maximum UV index of 3 during December leads to these instructions:
Take necessary precautions - Protection from skin and eye injury is mandatory. Limiting sun exposure during midday hours helps in reducing the harmful effects of UV radiation. Wearing sunglasses with both UVA and UVB protection effectively reduces sun-induced eye damage. Warning! The reflection from snow can nearly magnify the Sun's UV radiation twofold.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Cibolo, TX
- Average high temperature in December: 61.9°F
The warmest month (with the highest average high temperature) is August (96.6°F).
The month with the lowest average high temperature is January (61.3°F).
- Average low temperature in December: 47.1°F
The month with the highest average low temperature is August (75.9°F).
The coldest month (with the lowest average low temperature) is January (44.2°F).
Average pressure in December
Cibolo, TX
- Average pressure in December: 30.11"Hg
The month with the highest atmospheric pressure is January (30.15"Hg).
The month with the lowest atmospheric pressure is June (29.89"Hg).
Average wind speed in December
Cibolo, TX
- Average wind speed in December: 7.8mph
The windiest months (with the highest average wind speed) are March and May (8.7mph).
The calmest month (with the lowest average wind speed) is September (6.3mph).
Average humidity in December
Cibolo, TX
- Average humidity in December: 70%
The month with the highest relative humidity is May (75%).
The month with the lowest relative humidity is August (61%).
Average rainfall in December
Cibolo, TX
- Average rainfall in December: 0.98"
The wettest month (with the highest rainfall) is May (3.39").
The driest month (with the least rainfall) is February (0.63").
Average rainfall days in December
Cibolo, TX
- Average rainfall days in December: 10.3 days
The month with the highest number of rainy days is May (15.9 days).
The months with the least rainy days are January and November (8.8 days).
Average snowfall in December
Cibolo, TX
- Average snowfall in December: 0.04"
The months with the highest snowfall are January and February (0.08").
The months with the least snowfall are March, April, May, June, July, August, September, October and November (0").
Average snowfall days in December
Cibolo, TX
- Average snowfall days in December: 0.3 days
The months with the highest number of snowfall days are January, February and December (0.3 days).
The months with the least snowfall days are March, April, May, June, July, August, September, October and November (0 days).
Average daylight in December /
Average sunshine in December
Cibolo, TX
- Average daylight in December: 10h and 18min
The month with the longest days is June (Average daylight: 14h and 0min).
The month with the shortest days is December (Average daylight: 10h and 18min).
- Average sunshine in December: 5h and 12min
The month with the most sunshine is July (Average sunshine: 10h and 6min).
The month with the least sunshine is December (Average sunshine: 5h and 12min).
Average sunshine days in December
Cibolo, TX
- Average sunshine days in December: 18.5 days
The month with the most sunshine days is January (20.4 days).
The month with the least sunshine days is May (12.1 days).
Average UV index in December
Cibolo, TX
- Average UV index in December: 3
The months with the highest UV index are June, July and August (UV index 7).
The month with the lowest UV index is December (UV index 3).
Average cloud cover in December
Cibolo, TX
- Average cloud cover in December: 43
The month with the most cloud cover is March (Cloud cover 48).
The month with the least cloud cover is August (Cloud cover 24).
Average visibility in December
Cibolo, 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).





