Contents
- Weather in December
- Frequently asked questions
- Average temperature in December
- Average pressure in December
- Average wind speed in December
- Average humidity in December
- Average rainfall in December
- Average rainfall days in December
- Average snowfall in December
- Average snowfall days in December
- Average daylight in December
- Average sunshine in December
- Average sunshine days in December
- Average UV index in December
- Average cloud cover in December
- Average visibility in December
Weather in December
Temperature
The decrease of average high-temperatures is mild in December, with a decline from a refreshing 65.3°F (18.5°C) in November to a moderate 55.8°F (13.2°C). Cool anticipates an average minimum temperature of 39.7°F (4.3°C) in the month of December.Humidity
In December, the average relative humidity in Cool is 65%.Rainfall
The months with the least rainfall in Cool are January and December Rain falls for 7 days and accumulates 1.18" (30mm) of rain.Snowfall
Months with snowfall in Cool are January through March, November and December. In December, in Cool, it is snowing for 0.6 days. Throughout December, 0.35" (9mm) of snow is accumulated. In Cool, Texas, during the entire year, snow falls for 2.8 days and aggregates up to 1.61" (41mm) of snow.Daylight
With an average of 10h and 0min of daylight, December has the shortest days of the year.On the first day of December, sunrise is at 7:17 am and sunset at 5:25 pm. On the last day of the month, sunrise is at 7:34 am and sunset at 5:36 pm CST.
Sunshine
December has the least sunshine of the year in Cool, with an average of 6h of sunshine.UV index
The month with the lowest UV index in Cool is December, with an average maximum UV index of 3. A UV Index estimate of 3 to 5 represents a moderate threat to health from exposure to the Sun's UV radiation for average individuals.Note: During December, 3 as the daily maximum UV index converts into the following advice:
Be vigilant - Preventing sunburn is recommended. The Sun's most intense and consequently most harmful UV radiation during midday hours should be decreased by minimizing exposure and seeking shade. It's wise to wear UVA and UVB-blocking sunglasses when the sun shines brightly. Take heed! Reflection from the snow can almost amplify the Sun's UV radiation by double.
Frequently asked questions
What are December temperatures in Cool?
What is the average humidity in December in Cool?
What is the driest month in Cool?
How many days does it rain in December in Cool?
How much does it snow in Cool in December?
What is the month with the shortest days in Cool?
How many hours of daylight does Cool have in December?
What time are sunrise and sunset in December in Cool?
What is the month with the least sunshine in Cool?
How long on average sun shines in December in Cool?
When is the lowest UV index in Cool?
What is the UV index intensity in December in Cool?
Average temperature in December
Cool, TX
- Average high temperature in December: 55.8°F
The warmest month (with the highest average high temperature) is August (95.5°F).
The month with the lowest average high temperature is January (55.2°F).
- Average low temperature in December: 39.7°F
The month with the highest average low temperature is August (74.8°F).
The coldest month (with the lowest average low temperature) is January (37.9°F).
Average pressure in December
Cool, 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 (29.89"Hg).
Average wind speed in December
Cool, TX
- Average wind speed in December: 9.1mph
The windiest month (with the highest average wind speed) is April (11.1mph).
The calmest month (with the lowest average wind speed) is September (7.2mph).
Average humidity in December
Cool, TX
- Average humidity in December: 65%
The month with the highest relative humidity is May (71%).
The month with the lowest relative humidity is August (54%).
Average rainfall in December
Cool, TX
- Average rainfall in December: 1.18"
The wettest month (with the highest rainfall) is October (3.03").
The driest months (with the least rainfall) are January and December (1.18").
Average rainfall days in December
Cool, TX
- Average rainfall days in December: 7 days
The month with the highest number of rainy days is May (12.7 days).
The month with the least rainy days is January (5.5 days).
Average snowfall in December
Cool, TX
- Average snowfall in December: 0.35"
The month with the highest snowfall is February (1.06").
The months with the least snowfall are April, May, June, July, August, September and October (0").
Average snowfall days in December
Cool, TX
- Average snowfall days in December: 0.6 days
The month with the highest number of snowfall days is February (1.3 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
Cool, TX
- Average daylight in December: 10h and 0min
The month with the longest days is June (Average daylight: 14h and 18min).
The month with the shortest days is December (Average daylight: 10h and 0min).
- Average sunshine in December: 6h and 0min
The month with the most sunshine is July (Average sunshine: 11h and 12min).
The month with the least sunshine is December (Average sunshine: 6h and 0min).
Average sunshine days in December
Cool, TX
- Average sunshine days in December: 21.6 days
The month with the most sunshine days is January (24.4 days).
The month with the least sunshine days is May (16 days).
Average UV index in December
Cool, 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
Cool, TX
- Average cloud cover in December: 32
The month with the most cloud cover is March (Cloud cover 34).
The month with the least cloud cover is August (Cloud cover 18).
Average visibility in December
Cool, 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).
Cool, Texas, USA
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