December weather forecastSinton, TX
December
Weather in December
December, the first month of the winter in Sinton, is still a refreshing month, with temperature in the range of an average low of 52.2°F (11.2°C) and an average high of 65.5°F (18.6°C).Temperature
December's arrival subtly correlates with a reduction in the average high-temperature, down from an agreeable 72.7°F (22.6°C) in November to a comfortable 65.5°F (18.6°C). Sinton reports a consistent average low-temperature of 52.2°F (11.2°C) throughout December nights.Humidity
The average relative humidity in December is 74%.Rainfall
In December, the rain falls for 9.5 days. Throughout December, 0.91" (23mm) of precipitation is accumulated. In Sinton, Texas, during the entire year, the rain falls for 109.6 days and collects up to 11.73" (298mm) of precipitation.Snowfall
In Sinton, snow does not fall in January, March through December.Daylight
With an average of 10h and 24min of daylight, December has the shortest days of the year.On the first day of the month, sunrise is at 7:04 am and sunset at 5:34 pm. On the last day of December, sunrise is at 7:21 am and sunset at 5:45 pm CST.
Sunshine
December has the least sunshine of the year, with an average of 4.7h of sunshine.UV index
The months with the lowest UV index are January and December, with an average maximum UV index of 4. A UV Index value of 3 to 5 symbolizes a medium health hazard from unprotected exposure to Sun's UV rays for the average person.Note: A typical high UV index of 4 in December suggests the following recommendations:
Preventative actions are necessary - Suggestions to safeguard against sun damage are in order. Solar radiation peaks around mid-day, so it's wise to limit exposure to the Sun at this time. For a sun-safe wardrobe, go for clothes that are tightly woven and generously sized.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Sinton, TX
- Average high temperature in December: 65.5°F
The warmest month (with the highest average high temperature) is August (94.8°F).
The month with the lowest average high temperature is January (64°F).
- Average low temperature in December: 52.2°F
The month with the highest average low temperature is August (79°F).
The coldest month (with the lowest average low temperature) is January (49.6°F).
Average pressure in December
Sinton, 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
Sinton, TX
- Average wind speed in December: 8.9mph
The windiest month (with the highest average wind speed) is May (11.1mph).
The calmest month (with the lowest average wind speed) is September (8.2mph).
Average humidity in December
Sinton, TX
- Average humidity in December: 74%
The month with the highest relative humidity is May (76%).
The month with the lowest relative humidity is August (67%).
Average rainfall in December
Sinton, TX
- Average rainfall in December: 0.91"
The wettest months (with the highest rainfall) are September and October (1.5").
The driest month (with the least rainfall) is August (0.51").
Average rainfall days in December
Sinton, TX
- Average rainfall days in December: 9.5 days
The month with the highest number of rainy days is September (12.4 days).
The month with the least rainy days is August (4.6 days).
Average snowfall in December
Sinton, TX
- Average snowfall in December: 0"
The month with the highest snowfall is February (0.04").
The months with the least snowfall are January, March, April, May, June, July, August, September, October, November and December (0").
Average snowfall days in December
Sinton, TX
- Average snowfall days in December: 0 days
The month with the highest number of snowfall days is February (0.2 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
Sinton, TX
- Average daylight in December: 10h and 24min
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 42min
The month with the most sunshine is July (Average sunshine: 10h and 54min).
The month with the least sunshine is December (Average sunshine: 4h and 42min).
Average sunshine days in December
Sinton, TX
- Average sunshine days in December: 19.8 days
The month with the most sunshine days is August (25.1 days).
The month with the least sunshine days is April (15.6 days).
Average UV index in December
Sinton, TX
- Average UV index in December: 4
The month with the highest UV index is July (UV index 8).
The months with the lowest UV index are January and December (UV index 4).
Average cloud cover in December
Sinton, TX
- Average cloud cover in December: 48
The month with the most cloud cover is February (Cloud cover 49).
The month with the least cloud cover is August (Cloud cover 22).
Average visibility in December
Sinton, 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).
