December weather forecastPetronila, TX
December
Weather in December
December, the first month of the winter in Petronila, is also an enjoyable month, with an average temperature fluctuating between 65.7°F (18.7°C) and 52.7°F (11.5°C).Temperature
As November transitions into December, Petronila sees a gentle drop in the average high-temperature, transitioning from an agreeable 73°F (22.8°C) to a comfortable 65.7°F (18.7°C). The nighttime temperature dips to a cool 52.7°F (11.5°C) on average during December.Humidity
The average relative humidity in December is 74%.Rainfall
In Petronila, during December, the rain falls for 12.3 days and regularly aggregates up to 1.3" (33mm) of precipitation. In Petronila, during the entire year, the rain falls for 135.9 days and collects up to 16.65" (423mm) of precipitation.Snowfall
In Petronila, 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 in Petronila.On the first day of the month, sunrise is at 7:04 am and sunset at 5:35 pm. On the last day of December, sunrise is at 7:21 am and sunset at 5:46 pm CST.
Sunshine
The month with the least sunshine is December, with an average of 4.8h 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 of 3 to 5 symbolizes a medium health hazard from exposure to the Sun's UV rays for ordinary individuals.Note: The UV index of 4 in December translates into these instructions:
Adopt protective measures - It is advised to guard against sun damage. Around midday, solar radiation is most harmful; hence, exposure should be limited. Enhance your sun protection with tightly woven, yet airy clothing.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Petronila, TX
- Average high temperature in December: 65.7°F
The warmest month (with the highest average high temperature) is August (95°F).
The month with the lowest average high temperature is January (64.9°F).
- Average low temperature in December: 52.7°F
The month with the highest average low temperature is August (79°F).
The coldest month (with the lowest average low temperature) is January (50.4°F).
Average pressure in December
Petronila, 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 (29.88"Hg).
Average wind speed in December
Petronila, TX
- Average wind speed in December: 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 (8.3mph).
Average humidity in December
Petronila, TX
- Average humidity in December: 74%
The month with the highest relative humidity is May (75%).
The month with the lowest relative humidity is August (66%).
Average rainfall in December
Petronila, TX
- Average rainfall in December: 1.3"
The wettest month (with the highest rainfall) is September (2.48").
The driest month (with the least rainfall) is August (0.71").
Average rainfall days in December
Petronila, TX
- Average rainfall days in December: 12.3 days
The month with the highest number of rainy days is September (16.5 days).
The month with the least rainy days is August (7.1 days).
Average snowfall days in December
Petronila, TX
- Average snowfall days in December: 0 days
The month with the highest number of snowfall days is February (0.1 days).
The months with the least snowfall days are January, March, April, May, June, July, August, September, October, November and December (0 days).
Average daylight in December /
Average sunshine in December
Petronila, 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 48min
The month with the most sunshine is July (Average sunshine: 11h and 12min).
The month with the least sunshine is December (Average sunshine: 4h and 48min).
Average sunshine days in December
Petronila, TX
- Average sunshine days in December: 15.3 days
The month with the most sunshine days is July (21.6 days).
The month with the least sunshine days is September (11.3 days).
Average UV index in December
Petronila, 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
Petronila, 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 19).
Average visibility in December
Petronila, 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).





