December weather forecastTomball, TX
December
Weather in December
The first month of the winter, December, is still a refreshing month in Tomball, Texas, with an average temperature fluctuating between 62.1°F (16.7°C) and 47.3°F (8.5°C).Temperature
December implies a soft temperature shift, with average high-temperatures reducing from November's agreeable 69.6°F (20.9°C) to a comfortable 62.1°F (16.7°C). An average low-temperature of 47.3°F (8.5°C) is noted during the nights in December in Tomball.Humidity
In December, the average relative humidity in Tomball is 76%.Rainfall
In Tomball, in December, during 13.5 rainfall days, 2.83" (72mm) of precipitation is typically accumulated. In Tomball, during the entire year, the rain falls for 175.4 days and collects up to 34.57" (878mm) of precipitation.Snowfall
Months with snowfall are January and December. December is the first month it typically snows in Tomball. Throughout December, in the average 0.1 snowfall days, it receives 0.08" (2mm) of snow. In Tomball, Texas, during the entire year, snow falls for 0.4 days and aggregates up to 0.2" (5mm) of snow.Daylight
December has the shortest days of the year in Tomball, with an average of 10h and 12min of daylight.On the first day of December in Tomball, sunrise is at 7:01 am and sunset at 5:22 pm. On the last day of the month, sunrise is at 7:18 am and sunset at 5:33 pm CST.
Sunshine
The month with the least sunshine in Tomball is December, with an average of 4.8h of sunshine.UV index
December is the month with the lowest UV index, with an average maximum UV index of 3. A UV Index reading of 3 to 5 represents a medium health hazard from unprotected exposure to Sun's UV rays for ordinary individuals.Note: The maximum daily UV index of 3 during December translates into the following directions:
Make use of precautions - Shielding skin and eyes from injury is a requirement. To avoid the Sun's strongest rays, limit exposure around the mid-day period. In bright sunlight, prioritize sunglasses that grant protection from UVA and UVB radiation. Consider this! The reflection from snow can almost double the intensity of the Sun's UV radiation.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Tomball, TX
- Average high temperature in December: 62.1°F
The warmest month (with the highest average high temperature) is August (96.1°F).
The month with the lowest average high temperature is January (60.4°F).
- Average low temperature in December: 47.3°F
The month with the highest average low temperature is August (76.8°F).
The coldest month (with the lowest average low temperature) is January (44.2°F).
Average pressure in December
Tomball, TX
- Average pressure in December: 30.12"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
Tomball, TX
- Average wind speed in December: 7mph
The windiest month (with the highest average wind speed) is April (8mph).
The calmest month (with the lowest average wind speed) is September (5.6mph).
Average humidity in December
Tomball, TX
- Average humidity in December: 76%
The month with the highest relative humidity is February (78%).
The month with the lowest relative humidity is August (67%).
Average rainfall in December
Tomball, TX
- Average rainfall in December: 2.83"
The wettest month (with the highest rainfall) is May (4.72").
The driest month (with the least rainfall) is November (1.97").
Average rainfall days in December
Tomball, TX
- Average rainfall days in December: 13.5 days
The month with the highest number of rainy days is September (18.8 days).
The month with the least rainy days is January (11.7 days).
Average snowfall in December
Tomball, TX
- Average snowfall in December: 0.08"
The month with the highest snowfall is January (0.12").
The months with the least snowfall are February, March, April, May, June, July, August, September, October and November (0").
Average snowfall days in December
Tomball, TX
- Average snowfall days in December: 0.1 days
The month with the highest number of snowfall days is January (0.3 days).
The months with the least snowfall days are February, March, April, May, June, July, August, September, October and November (0 days).
Average daylight in December /
Average sunshine in December
Tomball, TX
- Average daylight in December: 10h and 12min
The month with the longest days is June (Average daylight: 14h and 6min).
The month with the shortest days is December (Average daylight: 10h and 12min).
- Average sunshine in December: 4h and 48min
The month with the most sunshine is August (Average sunshine: 10h and 6min).
The month with the least sunshine is December (Average sunshine: 4h and 48min).
Average sunshine days in December
Tomball, TX
- Average sunshine days in December: 15 days
The month with the most sunshine days is October (17.1 days).
The month with the least sunshine days is September (9.2 days).
Average UV index in December
Tomball, TX
- Average UV index in December: 3
The months with the highest UV index are May, June, July and August (UV index 7).
The month with the lowest UV index is December (UV index 3).
Average cloud cover in December
Tomball, TX
- Average cloud cover in December: 49
The month with the most cloud cover is February (Cloud cover 53).
The month with the least cloud cover is August (Cloud cover 31).
Average visibility in December
Tomball, TX
- Average visibility in December: 6mi
The months with the highest visibility are January, February, May, June, August, September, October, November and December (6mi).
The months with the lowest visibility are March, April and July (5mi).
