December weather forecast
Karnes City, TX

Share

Weather in December

December, the first month of the winter in Karnes City, is still a comfortable month, with an average temperature varying between 48.9°F (9.4°C) and 63.7°F (17.6°C).

Temperature

With the arrival of December, Karnes City experiences a modest decline in average high-temperatures, transitioning from a pleasant 71.4°F (21.9°C) in November to a comfortable 63.7°F (17.6°C). The average temperature during December nights dips to a frosty 48.9°F (9.4°C).

Humidity

In Karnes City, Texas, the average relative humidity in December is 73%.

Rainfall

In Karnes City, during December, the rain falls for 12.5 days and regularly aggregates up to 1.5" (38mm) of precipitation. Throughout the year, there are 152.2 rainfall days, and 21.34" (542mm) of precipitation is accumulated.

Snowfall

In Karnes City, snow does not fall in February through December.

Daylight

With an average of 10h and 18min of daylight, December has the shortest days of the year.
On the first day of December, sunrise is at 7:08 am and sunset at 5:33 pm. On the last day of the month, sunrise is at 7:24 am and sunset at 5:45 pm CST.

Sunshine

With an average of 5h of sunshine, December has the least sunshine of the year.

UV index

With an average maximum UV index of 3, December is the month with the lowest UV index. A UV Index of 3 to 5 symbolizes a medium vulnerability from exposure to the Sun's UV radiation for the ordinary person.
Note: In December, the maximum UV index of 3 suggests this advice:
Preventative actions are necessary - The mandate to avoid skin and eye damage is in place. The midday Sun can be dangerous due to its intense radiation; always find shade and reduce exposure. Wearing a wide-brim hat can block approximately 50% of UV radiation, protecting the eyes.
Updated: Jun 21, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What are the temperatures in December?

An average high-temperature, in December, in Karnes City, is 63.7°F (17.6°C) and the average low-temperature is 48.9°F (9.4°C). The average heat index (a.k.a. 'apparent temperature', 'felt air temperature'), which represents the influence of relative humidity on air temperature, in October is estimated at 86°F (30°C).

What is the average humidity in December?

In Karnes City, the average relative humidity in December is 73%.

How much does it rain in December?

In Karnes City, in December, it is raining for 12.5 days, with typically 1.5" (38mm) of accumulated precipitation.

When it does not snow?

In Karnes City, snow does not fall in February through December.

Does it snow in December?

In Karnes City, in December, it doesn't snow. In January, it regularly snows.

What is the month with the shortest days?

The month with the shortest days is December, with an average of 10h and 18min of daylight.

What is the average length of the day in December?

In Karnes City, the average day length in December is 10h and 20min.

What time are sunrise and sunset in December?

In December, on the first day of the month, sunrise is at 7:08 am and sunset at 5:33 pm. On the last day of the month, sunrise is at 7:24 am and sunset at 5:45 pm CST.

What is the month with the least sunshine in Karnes City?

With an average of 5h of sunshine, December has the least sunshine of the year.

How long on average sun shines in December?

In Karnes City, the average sunshine duration in December is 5h.

When is the lowest UV index?

With an average maximum UV index of 3, December is the month with the lowest UV index in Karnes City.

What is the UV index reading in December in Karnes City?

In Karnes City, the average daily maximum UV index in December is 3. A UV Index reading of 3 to 5 represents a moderate health threat from exposure to Sun's UV rays.
Average humidity
Average rainfall days
Average snowfall
Average snowfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in December
Karnes City, TX

Average temperature in December - Karnes City, TX
  • Average high temperature in December: 63.7°F

The warmest month (with the highest average high temperature) is August (96.8°F).
The month with the lowest average high temperature is January (62.8°F).

  • Average low temperature in December: 48.9°F

The month with the highest average low temperature is August (76.3°F).
The coldest month (with the lowest average low temperature) is January (46°F).

Average pressure in December
Karnes City, TX

Average pressure in December - Karnes City, 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 (29.89"Hg).

Average wind speed in December
Karnes City, TX

Average wind speed in December - Karnes City, TX
  • Average wind speed in December: 7.9mph

The windiest month (with the highest average wind speed) is May (9.8mph).
The calmest month (with the lowest average wind speed) is September (7mph).

Average humidity in December
Karnes City, TX

Average humidity in December - Karnes City, TX
  • Average humidity in December: 73%

The month with the highest relative humidity is March (76%).
The month with the lowest relative humidity is August (64%).

Average rainfall in December
Karnes City, TX

Average rainfall in December - Karnes City, TX
  • Average rainfall in December: 1.5"

The wettest month (with the highest rainfall) is September (2.87").
The driest month (with the least rainfall) is February (0.79").

Average rainfall days in December
Karnes City, TX

Average rainfall days in December - Karnes City, TX
  • Average rainfall days in December: 12.5 days

The month with the highest number of rainy days is September (17.1 days).
The month with the least rainy days is August (9.7 days).

Average snowfall in December
Karnes City, TX

Average snowfall in December - Karnes City, TX
  • Average snowfall in December: 0"

The month with the highest snowfall is January (0.08").
The months with the least snowfall are February, March, April, May, June, July, August, September, October, November and December (0").

Average snowfall days in December
Karnes City, TX

Average snowfall days in December - Karnes City, TX
  • Average snowfall days in December: 0 days

The month with the highest number of snowfall days is January (0.3 days).
The months with the least snowfall days are February, March, April, May, June, July, August, September, October, November and December (0 days).

Average daylight in December /
Average sunshine in December
Karnes City, TX

Average daylight in December / Average sunshine in December - Karnes City, TX
  • Average daylight in December: 10h and 2min

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 0min

The month with the most sunshine is July (Average sunshine: 10h and 30min).
The month with the least sunshine is December (Average sunshine: 5h and 0min).

Average sunshine days in December
Karnes City, TX

Average sunshine days in December - Karnes City, TX
  • Average sunshine days in December: 15.6 days

The month with the most sunshine days is August (19.3 days).
The month with the least sunshine days is September (10.4 days).

Average UV index in December
Karnes City, TX

Average UV index in December - Karnes City, 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
Karnes City, TX

Average cloud cover in December - Karnes City, TX
  • Average cloud cover in December: 46

The month with the most cloud cover is March (Cloud cover 47).
The month with the least cloud cover is August (Cloud cover 23).

Average visibility in December
Karnes City, TX

Average visibility in December - Karnes City, 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).

Karnes City, Texas, USA

Weather forecast for your location

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