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 arrival of December signals a subtle shift in temperature, down from a pleasant 73°F (22.8°C) in November to an enjoyable 65.5°F (18.6°C). In the month of December, the temperature generally rests at an average low of 51.3°F (10.7°C).Humidity
In December, the average relative humidity is 73%.Rainfall
In Mathis, during December, the rain falls for 11.8 days and regularly aggregates up to 1.38" (35mm) of precipitation. In Mathis, during the entire year, the rain falls for 139.6 days and collects up to 17.4" (442mm) of precipitation.Snowfall
In Mathis, snow does not fall in February through December.Daylight
December has the shortest days of the year, with an average of 10h and 24min of daylight.On the first day of December in Mathis, sunrise is at 7:06 am and sunset at 5:35 pm. On the last day of the month, sunrise is at 7:22 am and sunset at 5:46 pm CST.
Sunshine
With an average of 4.9h of sunshine, December has the least sunshine of the year in Mathis.UV index
The month with the lowest UV index is December, with an average maximum UV index of 3. A UV Index estimate of 3 to 5 represents a medium health hazard from exposure to the Sun's UV rays for the average person.Note: The maximum UV index of 3 during December translates into these guidelines:
Act with care - The need to guard against sun damage is communicated. Minimize direct exposure to the Sun during midday when its radiation is at its peak. Always opt for UVA and UVB-resistant sunglasses on radiant days.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What are the temperatures in December?
What is the average humidity in December?
How many days does it rain in December?
When it does not snow?
Does it snow in December?
What is the month with the shortest days?
How many hours of daylight does Mathis have in December?
When is the sunrise / sunset in December?
What is the month with the least sunshine?
How many hours of sunshine does Mathis have in December?
When is the lowest UV index?
How high is the UV index in December?
Average temperature in December
Mathis, TX
- Average high temperature in December: 65.5°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 (64.4°F).
- Average low temperature in December: 51.3°F
The month with the highest average low temperature is August (78.1°F).
The coldest month (with the lowest average low temperature) is January (48.7°F).
Average pressure in December
Mathis, TX
- Average pressure in December: 30.09"Hg
The month with the highest atmospheric pressure is January (30.14"Hg).
The month with the lowest atmospheric pressure is June (29.88"Hg).
Average wind speed in December
Mathis, TX
- Average wind speed in December: 8.5mph
The windiest month (with the highest average wind speed) is May (10.7mph).
The calmest month (with the lowest average wind speed) is September (8mph).
Average humidity in December
Mathis, TX
- Average humidity in December: 73%
The month with the highest relative humidity is May (75%).
The month with the lowest relative humidity is August (65%).
Average rainfall in December
Mathis, TX
- Average rainfall in December: 1.38"
The wettest month (with the highest rainfall) is September (2.48").
The driest month (with the least rainfall) is February (0.75").
Average rainfall days in December
Mathis, TX
- Average rainfall days in December: 11.8 days
The month with the highest number of rainy days is September (17.1 days).
The months with the least rainy days are July and August (8.3 days).
Average snowfall in December
Mathis, TX
- Average snowfall in December: 0"
The month with the highest snowfall is January (0.04").
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
Mathis, TX
- Average snowfall days in December: 0 days
The months with the highest number of snowfall days are January and February (0.1 days).
The months with the least snowfall days are March, April, May, June, July, August, September, October, November and December (0 days).
Average daylight in December /
Average sunshine in December
Mathis, 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: 4h and 5min
The month with the most sunshine is July (Average sunshine: 11h and 0min).
The month with the least sunshine is December (Average sunshine: 4h and 54min).
Average sunshine days in December
Mathis, TX
- Average sunshine days in December: 16.2 days
The month with the most sunshine days is July (20.9 days).
The month with the least sunshine days is September (10.9 days).
Average UV index in December
Mathis, 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
Mathis, TX
- Average cloud cover in December: 46
The months with the most cloud cover are February and December (Cloud cover 46).
The month with the least cloud cover is August (Cloud cover 20).
Average visibility in December
Mathis, 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).
Mathis, Texas, USA
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