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
Transitioning from November to December involves a subtle drop in average high-temperatures, descending from a refreshing 64.6°F (18.1°C) to a moderate 56.1°F (13.4°C). During the nights in December, the temperature averages to a wintry 41.7°F (5.4°C).Humidity
In December, the average relative humidity is 73%.Rainfall
In December, the rain falls for 10.5 days. Throughout December, 2.32" (59mm) of precipitation is accumulated. Throughout the year, there are 143.5 rainfall days, and 32.24" (819mm) of precipitation is accumulated.Snowfall
March through December are months without snowfall.Daylight
The month with the shortest days is December, with an average of 10h and 6min of daylight.On the first day of the month, sunrise is at 7:10 am and sunset at 5:20 pm. On the last day of December, sunrise is at 7:27 am and sunset at 5:31 pm CST.
Sunshine
The month with the least sunshine is December, with an average of 5.4h of sunshine.UV index
January and December, with an average maximum UV index of 3, are months with the lowest UV index. A UV Index reading of 3 to 5 represents a moderate health risk from unprotected exposure to Sun's UV rays for the average person.Note: An average UV index of 3 in December transforms into this advice:
Prioritize safety - The need to safeguard skin and eyes from harm is emphasized. Sun's radiation is most powerful around mid-day, so it's best to limit outdoor activities during this time. Shield yourself from the harmful effects of UV radiation with sun-protective attire, a hat, and quality sunglasses. Be cautious! The UV radiation from the Sun can be magnified almost twofold by snow reflection.
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 many days does it rain in December?
When it does not snow?
Does it snow in December?
What is the month with the shortest days?
What is the average length of the day in December?
When are sunrise and sunset in December?
What is the month with the least sunshine?
How many hours of sunshine does Rosser have in December?
When is the lowest UV index?
How high is the UV index in December?
Average temperature in December
Rosser, TX
- Average high temperature in December: 56.1°F
The warmest month (with the highest average high temperature) is August (95°F).
The month with the lowest average high temperature is January (55°F).
- Average low temperature in December: 41.7°F
The months with the highest average low temperature are July and August (74.7°F).
The coldest month (with the lowest average low temperature) is January (39.2°F).
Average pressure in December
Rosser, 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 (29.91"Hg).
Average wind speed in December
Rosser, TX
- Average wind speed in December: 8.1mph
The windiest month (with the highest average wind speed) is March (9.3mph).
The calmest month (with the lowest average wind speed) is September (6.2mph).
Average humidity in December
Rosser, TX
- Average humidity in December: 73%
The month with the highest relative humidity is May (78%).
The month with the lowest relative humidity is August (61%).
Average rainfall in December
Rosser, TX
- Average rainfall in December: 2.32"
The wettest month (with the highest rainfall) is October (4.49").
The driest month (with the least rainfall) is January (1.77").
Average rainfall days in December
Rosser, TX
- Average rainfall days in December: 10.5 days
The month with the highest number of rainy days is May (14.8 days).
The month with the least rainy days is January (8 days).
Average snowfall in December
Rosser, TX
- Average snowfall in December: 0"
The month with the highest snowfall is February (0.91").
The months with the least snowfall are March, April, May, June, July, August, September, October, November and December (0").
Average snowfall days in December
Rosser, TX
- Average snowfall days in December: 0.1 days
The month with the highest number of snowfall days is February (1.4 days).
The months with the least snowfall days are April, May, June, July, August, September, October and November (0 days).
Average daylight in December /
Average sunshine in December
Rosser, TX
- Average daylight in December: 10h and 1min
The month with the longest days is June (Average daylight: 14h and 12min).
The month with the shortest days is December (Average daylight: 10h and 6min).
- Average sunshine in December: 5h and 2min
The month with the most sunshine is August (Average sunshine: 11h and 6min).
The month with the least sunshine is December (Average sunshine: 5h and 24min).
Average sunshine days in December
Rosser, TX
- Average sunshine days in December: 18.5 days
The month with the most sunshine days is January (21.6 days).
The month with the least sunshine days is September (13.6 days).
Average UV index in December
Rosser, TX
- Average UV index in December: 3
The months with the highest UV index are June, July and August (UV index 7).
The months with the lowest UV index are January and December (UV index 3).
Average cloud cover in December
Rosser, TX
- Average cloud cover in December: 41
The month with the most cloud cover is February (Cloud cover 44).
The month with the least cloud cover is August (Cloud cover 22).
Average visibility in December
Rosser, 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).
Rosser, Texas, USA
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