December weather forecastPetrolia, TX
December
Weather in December
December, the first month of the winter in Petrolia, is also a fresh month, with temperature in the range of an average low of 37.4°F (3°C) and an average high of 53.6°F (12°C).Temperature
December is the coldest month of the year, registering average temperatures as high as 53.6°F (12°C) and as low as 37.4°F (3°C).Humidity
In Petrolia, the average relative humidity in December is 64%.Rainfall
In Petrolia, in December, during 6 rainfall days, 1.14" (29mm) of precipitation is typically accumulated. In Petrolia, during the entire year, the rain falls for 110.7 days and collects up to 21.22" (539mm) of precipitation.Snowfall
Months with snowfall are January through March, November and December. In Petrolia, in December, snow falls for 1 days, with typically accumulated 0.31" (8mm) of snow. Throughout the year, there are 4.7 snowfall days, and 1.54" (39mm) of snow is accumulated.Daylight
The month with the shortest days is December, with an average of 9h and 54min of daylight.On the first day of December, sunrise is at 7:20 am and sunset at 5:23 pm. On the last day of the month, sunrise is at 7:38 am and sunset at 5:34 pm CST.
Sunshine
With an average of 6.2h of sunshine, December has the least sunshine of the year.UV index
With an average maximum UV index of 2, December is the month with the lowest UV index. A UV Index of 2, and less, symbolizes a low threat to health from exposure to the Sun's UV rays for the average person.Note: The maximum UV index, 2 during December, leads to the following recommendations:
Extended sunlight exposure does not pose significant problems for most people, except for children, infants, and people with fair skin who always need shielding. Solar radiation is at its peak intensity during midday, so it's advisable to stay indoors or in the shade. Fend off the sun's harsh rays with appropriate clothing, a wide-brim hat, and UV-protective sunglasses. Bear in mind! The Sun's UV radiation can nearly double in intensity due to the reflective quality of snow.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Petrolia, TX
- Average high temperature in December: 53.6°F
The warmest month (with the highest average high temperature) is August (96.6°F).
The month with the lowest average high temperature is December (53.6°F).
- Average low temperature in December: 37.4°F
The months with the highest average low temperature are July and August (75.4°F).
The coldest month (with the lowest average low temperature) is January (36.1°F).
Average pressure in December
Petrolia, TX
- Average pressure in December: 30.13"Hg
The month with the highest atmospheric pressure is January (30.16"Hg).
The month with the lowest atmospheric pressure is June (29.88"Hg).
Average wind speed in December
Petrolia, TX
- Average wind speed in December: 9.1mph
The windiest month (with the highest average wind speed) is April (11.3mph).
The calmest month (with the lowest average wind speed) is September (7.9mph).
Average humidity in December
Petrolia, TX
- Average humidity in December: 64%
The month with the highest relative humidity is May (70%).
The month with the lowest relative humidity is August (52%).
Average rainfall in December
Petrolia, TX
- Average rainfall in December: 1.14"
The wettest month (with the highest rainfall) is May (3.31").
The driest month (with the least rainfall) is February (0.94").
Average rainfall days in December
Petrolia, TX
- Average rainfall days in December: 6 days
The month with the highest number of rainy days is May (13.4 days).
The month with the least rainy days is January (5.6 days).
Average snowfall in December
Petrolia, TX
- Average snowfall in December: 0.31"
The month with the highest snowfall is February (0.87").
The months with the least snowfall are April, May, June, July, August, September and October (0").
Average snowfall days in December
Petrolia, TX
- Average snowfall days in December: 1 days
The month with the highest number of snowfall days is February (2 days).
The months with the least snowfall days are May, June, July, August, September and October (0 days).
Average daylight in December /
Average sunshine in December
Petrolia, TX
- Average daylight in December: 9h and 54min
The month with the longest days is June (Average daylight: 14h and 24min).
The month with the shortest days is December (Average daylight: 9h and 54min).
- Average sunshine in December: 6h and 12min
The month with the most sunshine is July (Average sunshine: 11h and 24min).
The month with the least sunshine is December (Average sunshine: 6h and 12min).
Average sunshine days in December
Petrolia, TX
- Average sunshine days in December: 23.2 days
The month with the most sunshine days is January (24.5 days).
The month with the least sunshine days is May (15.1 days).
Average UV index in December
Petrolia, TX
- Average UV index in December: 2
The month with the highest UV index is July (UV index 8).
The month with the lowest UV index is December (UV index 2).
Average cloud cover in December
Petrolia, TX
- Average cloud cover in December: 29
The month with the most cloud cover is March (Cloud cover 32).
The month with the least cloud cover is August (Cloud cover 18).
Average visibility in December
Petrolia, 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).





