December weather forecastAlvin, TX
December
Weather in December
The first month of the winter, December, is still a refreshing month in Alvin, Texas, with an average temperature varying between 63.1°F (17.3°C) and 52°F (11.1°C).Temperature
The onset of December is marked by a minor decrease in temperature, transitioning from an agreeable 70.2°F (21.2°C) in November to a comfortable 63.1°F (17.3°C). Alvin's December nights cool down to an average low-temperature of 52°F (11.1°C).Humidity
The average relative humidity in December is 78%.Rainfall
In Alvin, in December, it is raining for 14.4 days, with typically 2.48" (63mm) of accumulated precipitation. Throughout the year, there are 180.4 rainfall days, and 38.39" (975mm) of precipitation is accumulated.Snowfall
In Alvin, snow does not fall in February through December.Daylight
With an average of 10h and 18min of daylight, December has the shortest days of the year.On the first day of the month, sunrise is at 6:58 am and sunset at 5:22 pm. On the last day of December, in Alvin, sunrise is at 7:15 am and sunset at 5:33 pm CST.
Sunshine
The month with the least sunshine in Alvin is December, with an average of 4.8h of sunshine.UV index
January, November and December, with an average maximum UV index of 4, are months with the lowest UV index in Alvin. A UV Index of 3 to 5 symbolizes a moderate health risk from unsafe exposure to UV radiation for the ordinary person.Note: A daily high UV index of 4 in December leads to these guidelines:
Put precautions into practice - Ensuring skin and eye safety is a necessity. To guard against the harmful effects of the Sun, minimize exposure during midday. On sunny days, it's ideal to wear sunglasses that filter out UVA and UVB rays.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Alvin, TX
- Average high temperature in December: 63.1°F
The warmest month (with the highest average high temperature) is August (90.9°F).
The month with the lowest average high temperature is January (60.8°F).
- Average low temperature in December: 52°F
The month with the highest average low temperature is August (78.6°F).
The coldest month (with the lowest average low temperature) is January (48.2°F).
Average pressure in December
Alvin, 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
Alvin, TX
- Average wind speed in December: 9.2mph
The windiest month (with the highest average wind speed) is April (10.1mph).
The calmest month (with the lowest average wind speed) is August (7.1mph).
Average humidity in December
Alvin, TX
- Average humidity in December: 78%
The month with the highest relative humidity is February (80%).
The month with the lowest relative humidity is October (72%).
Average rainfall in December
Alvin, TX
- Average rainfall in December: 2.48"
The wettest month (with the highest rainfall) is September (5.94").
The driest month (with the least rainfall) is February (1.81").
Average rainfall days in December
Alvin, TX
- Average rainfall days in December: 14.4 days
The month with the highest number of rainy days is September (20.2 days).
The month with the least rainy days is January (12.4 days).
Average snowfall in December
Alvin, TX
- Average snowfall in December: 0"
The month with the highest snowfall is January (0.04").
The months with the least snowfall are February, March, April, May, June, July, August, September, October, November and December (0").
Average snowfall days in December
Alvin, TX
- Average snowfall days in December: 0 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, October, November and December (0 days).
Average daylight in December /
Average sunshine in December
Alvin, 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 48min).
The month with the least sunshine is December (Average sunshine: 4h and 48min).
Average sunshine days in December
Alvin, TX
- Average sunshine days in December: 13.7 days
The month with the most sunshine days is January (16.8 days).
The month with the least sunshine days is September (8.3 days).
Average UV index in December
Alvin, 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, November and December (UV index 4).
Average cloud cover in December
Alvin, TX
- Average cloud cover in December: 49
The month with the most cloud cover is February (Cloud cover 50).
The month with the least cloud cover is August (Cloud cover 26).
Average visibility in December
Alvin, 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).





