December weather forecast
Kopperl, TX

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Weather in December

December, the first month of the winter in Kopperl, is still a mild month, with an average temperature ranging between max 57.4°F (14.1°C) and min 41.9°F (5.5°C).

Temperature

In December, the meteorological conditions change slightly, with the average high-temperature moving from a comfortable 65.7°F (18.7°C) in November to a still refreshing 57.4°F (14.1°C). Kopperl's nighttime temperature in December falls to an average of 41.9°F (5.5°C).

Humidity

The average relative humidity in December is 69%.

Rainfall

In Kopperl, in December, it is raining for 7.9 days, with typically 0.98" (25mm) of accumulated precipitation. In Kopperl, during the entire year, the rain falls for 116.7 days and collects up to 19.06" (484mm) of precipitation.

Snowfall

In Kopperl, snow does not fall in January, April through December.

Daylight

December has the shortest days of the year, with an average of 10h and 6min of daylight.
On the first day of December, sunrise is at 7:13 am and sunset at 5:25 pm. On the last day of the month, sunrise is at 7:30 am and sunset at 5:36 pm CST.

Sunshine

The month with the least sunshine is December, with an average of 5.5h of sunshine.

UV index

The month with the lowest UV index is December, with an average maximum UV index of 3. A UV Index of 3 to 5 symbolizes a medium health hazard from unsafe exposure to UV radiation for the ordinary person.
Note: In December, a regular UV index of 3 translates into these guidelines:
Take necessary precautions - Defending against sun damage is advocated. Being in direct Sun during midday can be harmful due to intense solar radiation; take precautions. Employ a wide-brim hat for potent defense against up to 50% of UV rays. Beware! The strength of the UV rays is increased nearly double-fold by the reflection of the snow.
Updated: Aug 14, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What are December temperatures?

In December, the average high-temperature and low-temperature are 57.4°F (14.1°C) and 41.9°F (5.5°C) respectively. In September, the average heat index (a.k.a. 'real feel', 'feels like'), which calculates the temperature value influenced by the moisture in the air, is appraised at 96.8°F (36°C).

What is the average humidity in December?

In Kopperl, the average relative humidity in December is 69%.

How many days does it rain in December?

In Kopperl, during December, the rain falls for 7.9 days and regularly aggregates up to 0.98" (25mm) of precipitation.

When it does not snow?

In Kopperl, snow does not fall in January, April through December.

What is the month with the shortest days?

December has the shortest days of the year, with an average of 10h and 6min of daylight.

How many hours of daylight does Kopperl have in December?

The average day length in December is 10h and 5min.

When is the sunrise / sunset in December?

On the first day of December, sunrise is at 7:13 am and sunset at 5:25 pm. On the last day of the month, sunrise is at 7:30 am and sunset at 5:36 pm CST.

What is the month with the least sunshine?

December has the least sunshine of the year, with an average of 5.5h of sunshine.

How many hours of sunshine does Kopperl have in December?

The average sunshine duration in December is 5.5h.

What is the month with the lowest UV index?

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

What is the UV index intensity in December?

The average daily maximum UV index in December is 3. A UV Index of 3 to 5 symbolizes a moderate vulnerability 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
Kopperl, TX

Average temperature in December - Kopperl, TX
  • Average high temperature in December: 57.4°F

The warmest month (with the highest average high temperature) is August (96.1°F).
The month with the lowest average high temperature is January (56.8°F).

  • Average low temperature in December: 41.9°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 (40.1°F).

Average pressure in December
Kopperl, TX

Average pressure in December - Kopperl, TX
  • Average pressure in December: 30.12"Hg

The month with the highest atmospheric pressure is January (30.16"Hg).
The month with the lowest atmospheric pressure is June (29.91"Hg).

Average wind speed in December
Kopperl, TX

Average wind speed in December - Kopperl, TX
  • Average wind speed in December: 9.1mph

The windiest months (with the highest average wind speed) are March and April (10.6mph).
The calmest month (with the lowest average wind speed) is September (7mph).

Average humidity in December
Kopperl, TX

Average humidity in December - Kopperl, TX
  • Average humidity in December: 69%

The month with the highest relative humidity is May (74%).
The month with the lowest relative humidity is August (55%).

Average rainfall in December
Kopperl, TX

Average rainfall in December - Kopperl, TX
  • Average rainfall in December: 0.98"

The wettest month (with the highest rainfall) is October (2.6").
The driest month (with the least rainfall) is November (0.83").

Average rainfall days in December
Kopperl, TX

Average rainfall days in December - Kopperl, TX
  • Average rainfall days in December: 7.9 days

The month with the highest number of rainy days is May (13 days).
The month with the least rainy days is January (5.4 days).

Average snowfall in December
Kopperl, TX

Average snowfall in December - Kopperl, TX
  • Average snowfall in December: 0"

The month with the highest snowfall is February (0.35").
The months with the least snowfall are January, April, May, June, July, August, September, October, November and December (0").

Average snowfall days in December
Kopperl, TX

Average snowfall days in December - Kopperl, TX
  • Average snowfall days in December: 0.2 days

The month with the highest number of snowfall days is February (0.9 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
Kopperl, TX

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

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: 5h and 3min

The month with the most sunshine is July (Average sunshine: 11h and 0min).
The month with the least sunshine is December (Average sunshine: 5h and 30min).

Average sunshine days in December
Kopperl, TX

Average sunshine days in December - Kopperl, TX
  • Average sunshine days in December: 21.7 days

The month with the most sunshine days is January (24.1 days).
The month with the least sunshine days is May (14.9 days).

Average UV index in December
Kopperl, TX

Average UV index in December - Kopperl, 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
Kopperl, TX

Average cloud cover in December - Kopperl, TX
  • Average cloud cover in December: 37

The month with the most cloud cover is March (Cloud cover 40).
The month with the least cloud cover is August (Cloud cover 21).

Average visibility in December
Kopperl, TX

Average visibility in December - Kopperl, 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).

Kopperl, Texas, USA

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