December weather forecastAlvin, CO
December
Weather in December
December, the first month of the winter in Alvin, is still a cold month, with temperature in the range of an average high of 39.2°F (4°C) and an average low of 23.2°F (-4.9°C).Temperature
Alvin notes the coldest temperatures in December, with a high average of 39.2°F (4°C) and a low of 23.2°F (-4.9°C).Humidity
The average relative humidity in December is 65%.Rainfall
In Alvin, in December, it is raining for 4.2 days, with typically 0.59" (15mm) of accumulated precipitation. In Alvin, during the entire year, the rain falls for 119.5 days and collects up to 16.14" (410mm) of precipitation.Snowfall
Months with snowfall in Alvin are January through May, October through December. In December, it is snowing for 6.8 days. Throughout December, 2.13" (54mm) of snow is accumulated. Throughout the year, there are 37.9 snowfall days, and 15.55" (395mm) of snow is accumulated.Daylight
December has the shortest days of the year in Alvin, with an average of 9h and 24min of daylight.On the first day of the month, sunrise is at 6:52 am and sunset at 4:22 pm. On the last day of December, in Alvin, sunrise is at 7:10 am and sunset at 4:32 pm MST.
Sunshine
February and December, with an average of 6.2h of sunshine, are months with the least sunshine.UV index
The months with the lowest UV index in Alvin are January, February, November and December, with an average maximum UV index of 2. A UV Index of 2, and less, symbolizes a minimal health hazard from exposure to the Sun's UV radiation for average individuals.Note: An average UV index of 2 in December transforms into this advice:
In contrast to children, who must always be shielded from the sun, most people can tolerate up to an hour of sun exposure without any burns. UV radiation from the Sun is most dangerous during midday; take precautions and seek shade. Tightly woven clothing, when worn loosely, shields effectively against the Sun. Be attentive! The reflective property of snow can nearly double the Sun's UV radiation.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Alvin, CO
- Average high temperature in December: 39.2°F
The warmest month (with the highest average high temperature) is July (88.7°F).
The month with the lowest average high temperature is December (39.2°F).
- Average low temperature in December: 23.2°F
The month with the highest average low temperature is July (66°F).
The coldest month (with the lowest average low temperature) is December (23.2°F).
Average pressure in December
Alvin, CO
- Average pressure in December: 30.11"Hg
The months with the highest atmospheric pressure are January and December (30.11"Hg).
The month with the lowest atmospheric pressure is June (29.82"Hg).
Average wind speed in December
Alvin, CO
- Average wind speed in December: 10.6mph
The windiest month (with the highest average wind speed) is April (12.4mph).
The calmest month (with the lowest average wind speed) is August (9.4mph).
Average humidity in December
Alvin, CO
- Average humidity in December: 65%
The months with the highest relative humidity are January and February (66%).
The month with the lowest relative humidity is September (51%).
Average rainfall in December
Alvin, CO
- Average rainfall in December: 0.59"
The wettest month (with the highest rainfall) is May (2.99").
The driest month (with the least rainfall) is January (0.43").
Average rainfall days in December
Alvin, CO
- Average rainfall days in December: 4.2 days
The month with the highest number of rainy days is May (17.8 days).
The months with the least rainy days are November and December (4.2 days).
Average snowfall in December
Alvin, CO
- Average snowfall in December: 2.13"
The month with the highest snowfall is February (3.23").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in December
Alvin, CO
- Average snowfall days in December: 6.8 days
The months with the highest number of snowfall days are January and February (8 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Alvin, CO
- Average daylight in December: 9h and 24min
The month with the longest days is June (Average daylight: 15h and 0min).
The month with the shortest days is December (Average daylight: 9h and 24min).
- Average sunshine in December: 6h and 12min
The months with the most sunshine are July and August (Average sunshine: 11h and 30min).
The months with the least sunshine are February and December (Average sunshine: 6h and 12min).
Average sunshine days in December
Alvin, CO
- Average sunshine days in December: 22.1 days
The month with the most sunshine days is November (22.7 days).
The month with the least sunshine days is May (10.6 days).
Average UV index in December
Alvin, CO
- Average UV index in December: 2
The month with the highest UV index is July (UV index 7).
The months with the lowest UV index are January, February, November and December (UV index 2).
Average cloud cover in December
Alvin, CO
- Average cloud cover in December: 31
The month with the most cloud cover is February (Cloud cover 35).
The month with the least cloud cover is August (Cloud cover 19).
Average visibility in December
Alvin, CO
- 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).





