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 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
December reveals a small adjustment in temperature, transitioning from an average high of a moderately hot 75.7°F (24.3°C) in November to a comfortable 67.6°F (19.8°C). During the month of December, the temperature falls to an average of 51.6°F (10.9°C).Humidity
December is the most humid month in Callaghan, Texas, with an average relative humidity of 62%.Rainfall
In Callaghan, in December, it is raining for 6.7 days, with typically 0.55" (14mm) of accumulated precipitation. Throughout the year, in Callaghan, there are 91.9 rainfall days, and 10.55" (268mm) of precipitation is accumulated.Snowfall
January, February and December are months with snowfall. December is the first month it typically snows. Throughout December, there are 0.1 snowfall days. Throughout the year, there are 0.4 snowfall days.Daylight
The month with the shortest days is December, with an average of 10h and 24min of daylight.On the first day of the month, sunrise is at 7:11 am and sunset at 5:41 pm. On the last day of December, sunrise is at 7:28 am and sunset at 5:53 pm CST.
Sunshine
With an average of 5.7h of sunshine, December has the least sunshine of the year in Callaghan.UV index
The months with the lowest UV index are January and December, with an average maximum UV index of 4. A UV Index of 3 to 5 symbolizes a moderate health risk from unsafe exposure to UV radiation for the average person.Note: An average maximum UV index of 4 in December leads to these recommendations:
Adopt protective measures - Requirement to safeguard skin and eyes from harm exists. During midday, the Sun's radiation is strongest, and it's advisable to reduce direct exposure. For effective sun eye protection, rely on sunglasses certified for UVA and UVB resistance. Watch out! The Sun's UV radiation can be nearly magnified twofold due to snow reflection.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What are the temperatures in Callaghan in December?
What is the most humid month in Callaghan?
What is the average humidity in December in Callaghan?
How many days does it rain in December in Callaghan?
When does it start to snow in Callaghan?
What is the month with the shortest days in Callaghan?
How many hours of daylight does Callaghan have in December?
What time are sunrise and sunset in December in Callaghan?
What is the month with the least sunshine in Callaghan?
How many hours of sunshine does Callaghan have in December?
When is the lowest UV index in Callaghan?
How high is the UV index in December in Callaghan?
Average temperature in December
Callaghan, TX
- Average high temperature in December: 67.6°F
The warmest month (with the highest average high temperature) is August (100°F).
The month with the lowest average high temperature is January (66.9°F).
- Average low temperature in December: 51.6°F
The month with the highest average low temperature is August (79.9°F).
The coldest month (with the lowest average low temperature) is January (50.2°F).
Average pressure in December
Callaghan, TX
- Average pressure in December: 30.09"Hg
The month with the highest atmospheric pressure is January (30.14"Hg).
The months with the lowest atmospheric pressure are May and June (29.86"Hg).
Average wind speed in December
Callaghan, TX
- Average wind speed in December: 8.9mph
The windiest month (with the highest average wind speed) is July (13.5mph).
The calmest month (with the lowest average wind speed) is December (8.9mph).
Average humidity in December
Callaghan, TX
- Average humidity in December: 62%
The month with the highest relative humidity is December (62%).
The month with the lowest relative humidity is August (49%).
Average rainfall in December
Callaghan, TX
- Average rainfall in December: 0.55"
The wettest month (with the highest rainfall) is September (2.17").
The driest month (with the least rainfall) is February (0.43").
Average rainfall days in December
Callaghan, TX
- Average rainfall days in December: 6.7 days
The month with the highest number of rainy days is September (12.9 days).
The month with the least rainy days is November (5.5 days).
Average snowfall days in December
Callaghan, TX
- Average snowfall days in December: 0.1 days
The month with the highest number of snowfall days is January (0.2 days).
The months with the least snowfall days are March, April, May, June, July, August, September, October and November (0 days).
Average daylight in December /
Average sunshine in December
Callaghan, TX
- Average daylight in December: 10h and 2min
The month with the longest days is June (Average daylight: 13h and 54min).
The month with the shortest days is December (Average daylight: 10h and 24min).
- Average sunshine in December: 5h and 4min
The month with the most sunshine is July (Average sunshine: 11h and 12min).
The month with the least sunshine is December (Average sunshine: 5h and 42min).
Average sunshine days in December
Callaghan, TX
- Average sunshine days in December: 22.7 days
The month with the most sunshine days is January (23.3 days).
The month with the least sunshine days is September (15.1 days).
Average UV index in December
Callaghan, TX
- Average UV index in December: 4
The months with the highest UV index are July and August (UV index 8).
The months with the lowest UV index are January and December (UV index 4).
Average cloud cover in December
Callaghan, TX
- Average cloud cover in December: 36
The month with the most cloud cover is December (Cloud cover 36).
The month with the least cloud cover is August (Cloud cover 17).
Average visibility in December
Callaghan, 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).
Callaghan, Texas, USA
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