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 brings a minor shift in the average high-temperature, adjusting from a pleasant 69.4°F (20.8°C) in November to an enjoyable 62.1°F (16.7°C). In the month of December, Mont Belvieu experiences an average low-temperature of 49.3°F (9.6°C).Humidity
In December, the average relative humidity is 79%.Rainfall
In Mont Belvieu, in December, it is raining for 13.6 days, with typically 2.44" (62mm) of accumulated precipitation. In Mont Belvieu, Texas, during the entire year, the rain falls for 178.7 days and collects up to 37.6" (955mm) of precipitation.Snowfall
January and December are months with snowfall. December is the first month it typically snows. Throughout December, in the average 0.1 snowfall days, it receives 0.04" (1mm) of snow. In Mont Belvieu, during the entire year, snow falls for 0.6 days and aggregates up to 0.12" (3mm) of snow.Daylight
December has the shortest days of the year, with an average of 10h and 18min of daylight.On the first day of December, sunrise is at 6:58 am and sunset at 5:19 pm. On the last day of the month, sunrise is at 7:14 am and sunset at 5:30 pm CST.
Sunshine
The month with the least sunshine is December, with an average of 4.9h of sunshine.UV index
The month with the lowest UV index is December, with an average maximum UV index of 3. A UV Index of 3 to 5 symbolizes a moderate threat to health from exposure to the Sun's UV rays for the average person.Note: The maximum daily UV index, 3 in December, converts into the following recommendations:
Undertake protective steps - Recommendations to avoid sunburn are issued. To avoid the Sun's strongest rays, limit exposure around the mid-day period. Consider a wide-brim hat essential for effective sun defense covering your face, neck, and eyes. Be mindful! The reflection from snow can increase the Sun's UV radiation nearly twice.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What are the temperatures in Mont Belvieu in December?
What is the average humidity in December?
How much does it rain in Mont Belvieu in December?
When does it start to snow?
What is the month with the shortest days in Mont Belvieu?
How many hours of daylight does Mont Belvieu have in December?
When is the sunrise / sunset in December?
What is the month with the least sunshine?
How many hours of sunshine does Mont Belvieu have in December?
When is the lowest UV index?
What is the UV index reading in December?
Average temperature in December
Mont Belvieu, TX
- Average high temperature in December: 62.1°F
The warmest month (with the highest average high temperature) is August (92.5°F).
The month with the lowest average high temperature is January (60.1°F).
- Average low temperature in December: 49.3°F
The month with the highest average low temperature is August (77.4°F).
The coldest month (with the lowest average low temperature) is January (46°F).
Average pressure in December
Mont Belvieu, 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
Mont Belvieu, TX
- Average wind speed in December: 7.8mph
The windiest month (with the highest average wind speed) is April (8.8mph).
The calmest month (with the lowest average wind speed) is September (6.2mph).
Average humidity in December
Mont Belvieu, TX
- Average humidity in December: 79%
The month with the highest relative humidity is February (81%).
The month with the lowest relative humidity is October (72%).
Average rainfall in December
Mont Belvieu, TX
- Average rainfall in December: 2.44"
The wettest month (with the highest rainfall) is September (5.16").
The driest month (with the least rainfall) is February (1.69").
Average rainfall days in December
Mont Belvieu, TX
- Average rainfall days in December: 13.6 days
The month with the highest number of rainy days is August (20.1 days).
The month with the least rainy days is January (11.3 days).
Average snowfall in December
Mont Belvieu, TX
- Average snowfall in December: 0.04"
The month with the highest snowfall is January (0.08").
The months with the least snowfall are February, March, April, May, June, July, August, September, October and November (0").
Average snowfall days in December
Mont Belvieu, 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 March, April, May, June, July, August, September, October and November (0 days).
Average daylight in December /
Average sunshine in December
Mont Belvieu, TX
- Average daylight in December: 10h and 2min
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 5min
The months with the most sunshine are July and August (Average sunshine: 10h and 48min).
The month with the least sunshine is December (Average sunshine: 4h and 54min).
Average sunshine days in December
Mont Belvieu, TX
- Average sunshine days in December: 15.1 days
The month with the most sunshine days is January (17.8 days).
The month with the least sunshine days is September (8.5 days).
Average UV index in December
Mont Belvieu, 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
Mont Belvieu, TX
- Average cloud cover in December: 47
The month with the most cloud cover is February (Cloud cover 51).
The months with the least cloud cover are July, August and October (Cloud cover 27).
Average visibility in December
Mont Belvieu, 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).
Mont Belvieu, Texas, USA
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