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
December heralds a minor drop in average high-temperature, sliding from November's pleasant 72.1°F (22.3°C) to a refreshing 65.3°F (18.5°C). Rosita South records a consistent low-temperature of 48.6°F (9.2°C) during December nights.Humidity
The average relative humidity in December is 59%.Rainfall
In Rosita South, in December, during 5.2 rainfall days, 0.43" (11mm) of precipitation is typically accumulated. In Rosita South, during the entire year, the rain falls for 89.7 days and collects up to 13.43" (341mm) of precipitation.Snowfall
The only month with snowfall is December. December is the month with the most snowfall in Rosita South. Snow falls for 0.1 days and accumulates 0.04" (1mm) of snow.Daylight
The month with the shortest days is December, with an average of 10h and 24min of daylight.On the first day of the month, sunrise is at 7:17 am and sunset at 5:44 pm. On the last day of December, in Rosita South, sunrise is at 7:34 am and sunset at 5:55 pm CST.
Sunshine
In December, the average sunshine is 6.1h.UV index
The months with the lowest UV index are January and December, with an average maximum UV index of 4. A UV Index estimate of 3 to 5 represents a moderate health risk from exposure to the Sun's UV radiation for average individuals.Note: The maximum daily UV index of 4 during December translates into the following directions:
Heed the precautions - Protecting the skin and eyes from damage is compulsory. When the Sun is at its strongest around midday, find shade and limit exposure. For a sun-safe wardrobe, go for clothes that are tightly woven and generously sized. Foresee this! The reflection from snow can nearly double the intensity of UV radiation from the Sun.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the average December temperature?
What is the average humidity in December?
How much does it rain in December?
When does it snow the most?
When does it start snowing?
What is the month with the shortest days in Rosita South?
What is the average length of the day in December?
When is the sunrise / sunset in December?
How long on average sun shines in December?
When is the lowest UV index?
How high is the UV index in December?
Average temperature in December
Rosita South, TX
- Average high temperature in December: 65.3°F
The warmest month (with the highest average high temperature) is August (99°F).
The month with the lowest average high temperature is January (64.9°F).
- Average low temperature in December: 48.6°F
The month with the highest average low temperature is August (79.3°F).
The coldest month (with the lowest average low temperature) is January (46.9°F).
Average pressure in December
Rosita South, TX
- Average pressure in December: 30.1"Hg
The month with the highest atmospheric pressure is January (30.14"Hg).
The month with the lowest atmospheric pressure is May (29.87"Hg).
Average wind speed in December
Rosita South, TX
- Average wind speed in December: 7.7mph
The windiest month (with the highest average wind speed) is June (11.7mph).
The calmest month (with the lowest average wind speed) is December (7.7mph).
Average humidity in December
Rosita South, TX
- Average humidity in December: 59%
The month with the highest relative humidity is November (60%).
The month with the lowest relative humidity is August (47%).
Average rainfall in December
Rosita South, TX
- Average rainfall in December: 0.43"
The wettest month (with the highest rainfall) is May (2.95").
The driest months (with the least rainfall) are January and February (0.31").
Average rainfall days in December
Rosita South, TX
- Average rainfall days in December: 5.2 days
The month with the highest number of rainy days is September (13.8 days).
The month with the least rainy days is January (4.3 days).
Average snowfall in December
Rosita South, TX
- Average snowfall in December: 0.04"
The month with the highest snowfall is December (0.04").
The months with the least snowfall are January, February, March, April, May, June, July, August, September, October and November (0").
Average snowfall days in December
Rosita South, TX
- Average snowfall days in December: 0.1 days
The months with the highest number of snowfall days are January, February and December (0.1 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
Rosita South, 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: 6h and 1min
The month with the most sunshine is June (Average sunshine: 11h and 6min).
The month with the least sunshine is November (Average sunshine: 6h and 0min).
Average sunshine days in December
Rosita South, TX
- Average sunshine days in December: 24.4 days
The month with the most sunshine days is January (25.6 days).
The month with the least sunshine days is September (14.7 days).
Average UV index in December
Rosita South, TX
- Average UV index in December: 4
The months with the highest UV index are June, 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
Rosita South, TX
- Average cloud cover in December: 29
The month with the most cloud cover is May (Cloud cover 32).
The month with the least cloud cover is August (Cloud cover 16).
Average visibility in December
Rosita South, 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).
Rosita South, Texas, USA
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