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
The commencement of December indicates a gentle shift in the average high-temperature, receding from November's warm 75.7°F (24.3°C) to a comfortable 67.6°F (19.8°C). During December, Santo Tomas observes a consistent average nighttime temperature of 51.6°F (10.9°C).Humidity
December is the most humid month, with an average relative humidity of 62%.Rainfall
In December, the rain falls for 6.7 days. Throughout December, 0.55" (14mm) of precipitation is accumulated. In Santo Tomas, during the entire year, the rain falls for 91.9 days and collects up to 10.55" (268mm) of precipitation.Snowfall
Months with snowfall are January, February and December. December is the first month it typically snows in Santo Tomas. Throughout December, there are 0.1 snowfall days. Throughout the year, there are 0.4 snowfall days.Daylight
December has the shortest days of the year in Santo Tomas, with an average of 10h and 24min of daylight.On the first day of December in Santo Tomas, sunrise is at 7:13 am and sunset at 5:43 pm. On the last day of the month, sunrise is at 7:29 am and sunset at 5:55 pm CST.
Sunshine
With an average of 5.7h of sunshine, December has the least sunshine of the year.UV index
The months with the lowest UV index in Santo Tomas are January and December, with an average maximum UV index of 4. A UV Index value of 3 to 5 symbolizes a moderate health risk from unprotected exposure to Sun's UV rays for average individuals.Note: A daily high UV index of 4 in December leads to these guidelines:
Put precautions into practice - Guidance to elude sunburn is provided. Exposing oneself to the midday Sun can be harmful due to the strong UV radiation; limit your time outside. Counter UV radiation's ill effects with clothing designed for sun safety and UV-resistant eyewear. Take heed! Reflection from the snow can almost amplify the Sun's UV radiation by double.
Frequently asked questions
What is the temperature in December in Santo Tomas?
What is the most humid month in Santo Tomas?
What is the average humidity in December in Santo Tomas?
How much does it rain in Santo Tomas in December?
When does it start snowing in Santo Tomas?
What is the month with the shortest days in Santo Tomas?
How many hours of daylight does Santo Tomas have in December?
When is the sunrise / sunset in December in Santo Tomas?
What is the month with the least sunshine in Santo Tomas?
How many hours of sunshine does Santo Tomas have in December?
When is the lowest UV index in Santo Tomas?
How high is the UV index in December in Santo Tomas?
Average temperature in December
Santo Tomas, 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
Santo Tomas, 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
Santo Tomas, 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
Santo Tomas, 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
Santo Tomas, 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
Santo Tomas, 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
Santo Tomas, 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
Santo Tomas, 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
Santo Tomas, 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
Santo Tomas, 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
Santo Tomas, 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
Santo Tomas, 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).
Santo Tomas, Texas, USA
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