December weather forecast
Kerrville, TX

Share

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.
Updated: Jul 30, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What is the usual temperature for Kerrville in December?

An average high-temperature, in December, in Kerrville, is 59.4°F (15.2°C) and the average low-temperature is 42.3°F (5.7°C). The average heat index (a.k.a. 'felt air temperature', 'apparent temperature'), which combines air temperature and relative humidity, in September is appraised at 93.2°F (34°C).

What is the average humidity in December?

In Kerrville, the average relative humidity in December is 67%.

How many days does it rain in December?

In December, the rain falls for 8.8 days. Throughout December, 1.02" (26mm) of precipitation is accumulated.

How much does it snow in December?

In Kerrville, during December, snow falls for 0.4 days and regularly aggregates up to 0.04" (1mm) of snow.

What is the month with the shortest days?

With an average of 10h and 12min of daylight, December has the shortest days of the year.

What is the average length of the day in December?

In Kerrville, the average day length in December is 10h and 15min.

When is the sunrise / sunset in December?

In December, on the first day of the month, sunrise is at 7:15 am and sunset at 5:36 pm. On the last day of the month, sunrise is at 7:32 am and sunset at 5:47 pm CST.

What are the months with the least sunshine?

The months with the least sunshine are November and December, with an average of 5.8h of sunshine.

How many hours of sunshine does Kerrville have in December?

In Kerrville, the average sunshine duration in December is 5.8h.

When is the lowest UV index?

The month with the lowest UV index is December, with an average maximum UV index of 3.

How high is the UV index in December?

In December, the average daily maximum UV index is 3. A UV Index of 3 to 5 symbolizes a moderate vulnerability from unprotected exposure to UV radiation.
Average humidity
Average rainfall days
Average snowfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in December
Kerrville, TX

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 - 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 - 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 - 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 - 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 - 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 - 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 - 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 / Average sunshine in December - Kerrville, TX
  • Average daylight in December: 10h and 1min

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 5min

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 - 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 - 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 - 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 - 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).

Kerrville, Texas, USA

Weather forecast for your location

1. Click Locate me button
2. Allow the app to use your location