December weather forecastCleo, TX

December

Weather in December

December, the first month of the winter in Cleo, is also a moderate month, with an average temperature fluctuating between 41.9°F (5.5°C) and 59.9°F (15.5°C).

Temperature

The onset of December brings a small shift in high-temperatures, falling from 67.1°F (19.5°C) in November to a still refreshing 59.9°F (15.5°C). In December, Cleo encounters an average low-temperature of 41.9°F (5.5°C) during the night.

Humidity

In December, the average relative humidity is 62%.

Rainfall

In Cleo, during December, the rain falls for 6.9 days and regularly aggregates up to 0.79" (20mm) of precipitation. In Cleo, during the entire year, the rain falls for 100.7 days and collects up to 14.65" (372mm) of precipitation.

Snowfall

January, February, November and December are months with snowfall. December is the month with the most snowfall. Snow falls for 0.5 days and accumulates 0.28" (7mm) of snow.

Daylight

With an average of 10h and 12min of daylight, December has the shortest days of the year.
On the first day of the month, sunrise is at 7:19 am and sunset at 5:38 pm. On the last day of December, sunrise is at 7:36 am and sunset at 5:49 pm CST.

Sunshine

November and December, with an average of 6.1h 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 estimate of 3 to 5 represents a medium vulnerability from unprotected exposure to Sun's UV rays for the ordinary person.
Note: The maximum UV index of 3 during December leads to these instructions:
Ensure safety - Recommendations to avert sunburn are presented. It's recommended to limit sun exposure when its radiation is at its peak during midday. Your best bet for sun defense on the face, eyes, and neck is a hat with a wide brim. Take precaution! The reflection from snow can almost double the UV radiation of the Sun.
Updated: Aug 25, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

The average high-temperature and low-temperature during December are 59.9°F (15.5°C) and 41.9°F (5.5°C) respectively. The average heat index (a.k.a. 'felt air temperature', 'apparent temperature'), which represents the influence of relative humidity on air temperature, in September is evaluated at 93.2°F (34°C).

In Cleo, the average relative humidity in December is 62%.

In Cleo, in December, it is raining for 6.9 days, with typically 0.79" (20mm) of accumulated precipitation.

The month with the most snowfall is December, when snow falls for 0.5 days and typically aggregates up to 0.28" (7mm) of snow.

In Cleo, during December, snow falls for 0.5 days and regularly aggregates up to 0.28" (7mm) of snow.

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

In Cleo, the average day length in December is 10h and 13min.

On the first day of December, sunrise is at 7:19 am and sunset at 5:38 pm. On the last day of the month, sunrise is at 7:36 am and sunset at 5:49 pm CST.

November and December, with an average of 6.1h of sunshine, are months with the least sunshine.

In Cleo, the average sunshine duration in December is 6.1h.

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

In December, the average daily maximum UV index is 3. A UV Index value of 3 to 5 symbolizes a medium hazard to health from unprotected exposure to UV radiation.
Average high temperature
Average low temperature
Average pressure
Average wind speed
Average max. wind speed
Average wind speed gusts
Average humidity
Average rainfall
Average rainfall days
Average snowfall
Average snowfall days
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in December
Cleo, TX

  • Average high temperature in December: 59.9°F

The warmest month (with the highest average high temperature) is August (94.3°F).
The month with the lowest average high temperature is January (59.4°F).

  • Average low temperature in December: 41.9°F

The month with the highest average low temperature is August (73.4°F).
The coldest month (with the lowest average low temperature) is January (40.3°F).

Average pressure in December
Cleo, TX

  • Average pressure in December: 30.11"Hg

The month with the highest atmospheric pressure is January (30.15"Hg).
The months with the lowest atmospheric pressure are May and June (29.89"Hg).

Average wind speed in December
Cleo, TX

  • Average wind speed in December: 9.8mph

The windiest month (with the highest average wind speed) is April (13mph).
The calmest month (with the lowest average wind speed) is September (8.8mph).

Average humidity in December
Cleo, TX

  • Average humidity in December: 62%

The months with the highest relative humidity are May and November (64%).
The month with the lowest relative humidity is August (52%).

Average rainfall in December
Cleo, TX

  • Average rainfall in December: 0.79"

The wettest month (with the highest rainfall) is May (2.24").
The driest month (with the least rainfall) is November (0.55").

Average rainfall days in December
Cleo, TX

  • Average rainfall days in December: 6.9 days

The month with the highest number of rainy days is September (12.4 days).
The month with the least rainy days is January (4.8 days).

Average snowfall in December
Cleo, TX

  • Average snowfall in December: 0.28"

The month with the highest snowfall is December (0.28").
The months with the least snowfall are March, April, May, June, July, August, September and October (0").

Average snowfall days in December
Cleo, TX

  • Average snowfall days in December: 0.5 days

The month with the highest number of snowfall days is February (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
Cleo, 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: 6h and 6min

The month with the most sunshine is July (Average sunshine: 11h and 6min).
The months with the least sunshine are November and December (Average sunshine: 6h and 6min).

Average sunshine days in December
Cleo, TX

  • Average sunshine days in December: 22.5 days

The month with the most sunshine days is January (24.8 days).
The month with the least sunshine days is September (15.5 days).

Average UV index in December
Cleo, 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
Cleo, TX

  • Average cloud cover in December: 31

The month with the most cloud cover is March (Cloud cover 35).
The month with the least cloud cover is August (Cloud cover 20).

Average visibility in December
Cleo, 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).