December weather forecastRosenberg, TX
December
Weather in December
December, the first month of the winter in Rosenberg, is still a refreshing month, with temperature in the range of an average high of 63°F (17.2°C) and an average low of 48.7°F (9.3°C).Temperature
December brings a slight decrease in the average high-temperature, shifting from a pleasant 70.3°F (21.3°C) in November to a refreshing 63°F (17.2°C). Throughout December, an average low-temperature of 48.7°F (9.3°C) is expected.Humidity
The average relative humidity in December is 77%.Rainfall
In Rosenberg, during December, the rain falls for 6.4 days and regularly aggregates up to 0.63" (16mm) of precipitation. In Rosenberg, Texas, during the entire year, the rain falls for 120.1 days and collects up to 12.01" (305mm) of precipitation.Snowfall
March through December are months without snowfall.Daylight
With an average of 10h and 18min of daylight, December has the shortest days of the year.On the first day of December in Rosenberg, sunrise is at 7:01 am and sunset at 5:24 pm. On the last day of the month, sunrise is at 7:17 am and sunset at 5:35 pm CST.
Sunshine
With an average of 4.8h of sunshine, December has the least sunshine of the year.UV index
The months with the lowest UV index are January, February, November 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 radiation for the ordinary person.Note: In December, an average UV index of 4 transforms into the following instructions:
Adopt protective measures - Suggestions to resist sunburn are offered. Sun's radiation is most powerful around mid-day, so it's best to limit outdoor activities during this time. Wearing a wide-brim hat can block approximately 50% of UV radiation, protecting the eyes.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Rosenberg, TX
- Average high temperature in December: 63°F
The warmest month (with the highest average high temperature) is August (93.7°F).
The month with the lowest average high temperature is January (61.3°F).
- Average low temperature in December: 48.7°F
The month with the highest average low temperature is August (75.7°F).
The coldest month (with the lowest average low temperature) is January (45.5°F).
Average pressure in December
Rosenberg, TX
- Average pressure in December: 30.11"Hg
The month with the highest atmospheric pressure is January (30.16"Hg).
The month with the lowest atmospheric pressure is June (29.93"Hg).
Average wind speed in December
Rosenberg, TX
- Average wind speed in December: 7.9mph
The windiest month (with the highest average wind speed) is April (8.6mph).
The calmest month (with the lowest average wind speed) is September (5.7mph).
Average humidity in December
Rosenberg, TX
- Average humidity in December: 77%
The months with the highest relative humidity are February and March (79%).
The month with the lowest relative humidity is October (72%).
Average rainfall in December
Rosenberg, TX
- Average rainfall in December: 0.63"
The wettest month (with the highest rainfall) is August (1.57").
The driest month (with the least rainfall) is February (0.43").
Average rainfall days in December
Rosenberg, TX
- Average rainfall days in December: 6.4 days
The month with the highest number of rainy days is August (14.8 days).
The month with the least rainy days is December (6.4 days).
Average snowfall days in December
Rosenberg, TX
- Average snowfall days in December: 0 days
The month with the highest number of snowfall days is January (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
Rosenberg, TX
- Average daylight in December: 10h and 18min
The month with the longest days is June (Average daylight: 14h and 0min).
The month with the shortest days is December (Average daylight: 10h and 18min).
- Average sunshine in December: 4h and 48min
The month with the most sunshine is August (Average sunshine: 10h and 0min).
The month with the least sunshine is December (Average sunshine: 4h and 48min).
Average sunshine days in December
Rosenberg, TX
- Average sunshine days in December: 21.3 days
The month with the most sunshine days is January (22.2 days).
The month with the least sunshine days is September (12.6 days).
Average UV index in December
Rosenberg, TX
- Average UV index in December: 4
The months with the highest UV index are May, June, July and August (UV index 7).
The months with the lowest UV index are January, February, November and December (UV index 4).
Average cloud cover in December
Rosenberg, TX
- Average cloud cover in December: 49
The month with the most cloud cover is February (Cloud cover 52).
The months with the least cloud cover are August and October (Cloud cover 30).
Average visibility in December
Rosenberg, TX
- Average visibility in December: 6mi
The months with the highest visibility are January, February, March, April, May, June, August, September, October, November and December (6mi).
The month with the lowest visibility is July (5mi).
