December weather forecastKerrville, TX
December
Weather in December
December, the first month of the winter in Kerrville, is still a refreshing month, with an average temperature ranging between min 42.3°F (5.7°C) and max 59.4°F (15.2°C).Temperature
The average high-temperature slightly decreases in December, shifting from a comfortable 66.2°F (19°C) in November to a still refreshing 59.4°F (15.2°C). In December, Kerrville encounters an average low-temperature of 42.3°F (5.7°C) during the night.Humidity
The average relative humidity in December is 67%.Rainfall
In December, the rain falls for 8.8 days. Throughout December, 1.02" (26mm) of precipitation is accumulated. Throughout the year, there are 135.4 rainfall days, and 18.27" (464mm) of precipitation is accumulated.Snowfall
January, February, November and December are months with snowfall. In December, it is snowing for 0.4 days. Throughout December, 0.04" (1mm) of snow is accumulated. In Kerrville, during the entire year, snow falls for 1.9 days and aggregates up to 0.35" (9mm) of snow.Daylight
December has the shortest days of the year, with an average of 10h and 12min of daylight.On the first day of the month, sunrise is at 7:15 am and sunset at 5:36 pm. On the last day of December, sunrise is at 7:32 am and sunset at 5:47 pm CST.
Sunshine
November and December, with an average of 5.8h of sunshine, are months with the least sunshine.UV index
With an average maximum UV index of 3, December is the month with the lowest UV index. A UV Index reading of 3 to 5 represents a medium health hazard from unsafe exposure to UV radiation for average individuals.Note: The daily high UV index of 3 during December translates into the following recommendations:
Heed the precautions - Protecting the skin and eyes from damage is compulsory. Midday is when the Sun's radiation is strongest; avoid prolonged exposure during this time. For a sun-safe wardrobe, go for clothes that are tightly woven and generously sized. Be alert! Nearly double the UV rays from the Sun can be reflected by snow.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Kerrville, TX
- Average high temperature in December: 59.4°F
The warmest month (with the highest average high temperature) is August (92.8°F).
The month with the lowest average high temperature is January (58.6°F).
- Average low temperature in December: 42.3°F
The month with the highest average low temperature is August (71.6°F).
The coldest month (with the lowest average low temperature) is January (40.6°F).
Average pressure in December
Kerrville, 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
Kerrville, TX
- Average wind speed in December: 9.1mph
The windiest month (with the highest average wind speed) is April (11.2mph).
The calmest month (with the lowest average wind speed) is September (7.5mph).
Average humidity in December
Kerrville, TX
- Average humidity in December: 67%
The month with the highest relative humidity is May (73%).
The month with the lowest relative humidity is August (60%).
Average rainfall in December
Kerrville, TX
- Average rainfall in December: 1.02"
The wettest month (with the highest rainfall) is May (3.11").
The driest month (with the least rainfall) is November (0.87").
Average rainfall days in December
Kerrville, TX
- Average rainfall days in December: 8.8 days
The month with the highest number of rainy days is May (15.9 days).
The month with the least rainy days is January (7.8 days).
Average snowfall in December
Kerrville, TX
- Average snowfall in December: 0.04"
The month with the highest snowfall is February (0.16").
The months with the least snowfall are March, April, May, June, July, August, September and October (0").
Average snowfall days in December
Kerrville, TX
- Average snowfall days in December: 0.4 days
The month with the highest number of snowfall days is January (0.7 days).
The months with the least snowfall days are March, April, May, June, July, August, September and October (0 days).
Average daylight in December /
Average sunshine in December
Kerrville, TX
- Average daylight in December: 10h and 12min
The month with the longest days is June (Average daylight: 14h and 6min).
The month with the shortest days is December (Average daylight: 10h and 12min).
- Average sunshine in December: 5h and 48min
The month with the most sunshine is July (Average sunshine: 10h and 18min).
The months with the least sunshine are November and December (Average sunshine: 5h and 48min).
Average sunshine days in December
Kerrville, TX
- Average sunshine days in December: 20.1 days
The month with the most sunshine days is January (21.2 days).
The month with the least sunshine days is May (12.1 days).
Average UV index in December
Kerrville, TX
- Average UV index in December: 3
The months with the highest UV index are July and August (UV index 7).
The month with the lowest UV index is December (UV index 3).
Average cloud cover in December
Kerrville, TX
- Average cloud cover in December: 36
The month with the most cloud cover is May (Cloud cover 45).
The month with the least cloud cover is August (Cloud cover 24).
Average visibility in December
Kerrville, 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).
