December weather forecastCost, TX
December
Weather in December
The first month of the winter, December, is still a comfortable month in Cost, Texas, with temperature in the range of an average high of 61.7°F (16.5°C) and an average low of 46.9°F (8.3°C).Temperature
As November makes way for December, Cost's average high-temperature eases from a pleasant 69.6°F (20.9°C) to a comfortable 61.7°F (16.5°C). In December, Cost encounters an average low-temperature of 46.9°F (8.3°C) during the night.Humidity
The average relative humidity in December in Cost, Texas, is 74%.Rainfall
In Cost, during December, the rain falls for 10.4 days and regularly aggregates up to 1.22" (31mm) of precipitation. Throughout the year, there are 146.3 rainfall days, and 21.34" (542mm) of precipitation is accumulated.Snowfall
January, February and December are months with snowfall in Cost. December is the first month it typically snows. Throughout December, in the average 0.3 snowfall days, it receives 0.08" (2mm) of snow. In Cost, during the entire year, snow falls for 0.9 days and aggregates up to 0.24" (6mm) 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 the month, sunrise is at 7:07 am and sunset at 5:31 pm. On the last day of December, in Cost, sunrise is at 7:24 am and sunset at 5:42 pm CST.
Sunshine
December has the least sunshine of the year in Cost, 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 moderate health risk from exposure to the Sun's UV radiation for the average person.Note: The average daily UV index of 3 in December transforms into the following instructions:
Act with care - The suggestion to avoid sunburn is emphasized. The most potent solar radiation is around mid-day, so one should minimize exposure to direct sunlight during this period. On sunny days, it's ideal to wear sunglasses that filter out UVA and UVB rays. Mark this! Snow reflection can nearly double the UV radiation intensity from the Sun.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Cost, TX
- Average high temperature in December: 61.7°F
The warmest month (with the highest average high temperature) is August (97°F).
The month with the lowest average high temperature is January (60.8°F).
- Average low temperature in December: 46.9°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 (44.2°F).
Average pressure in December
Cost, TX
- Average pressure in December: 30.11"Hg
The month with the highest atmospheric pressure is January (30.15"Hg).
The month with the lowest atmospheric pressure is June (29.91"Hg).
Average wind speed in December
Cost, TX
- Average wind speed in December: 7.4mph
The windiest months (with the highest average wind speed) are February, March, April and May (8.3mph).
The calmest month (with the lowest average wind speed) is September (6mph).
Average humidity in December
Cost, TX
- Average humidity in December: 74%
The month with the highest relative humidity is March (78%).
The month with the lowest relative humidity is August (64%).
Average rainfall in December
Cost, TX
- Average rainfall in December: 1.22"
The wettest month (with the highest rainfall) is May (3.7").
The driest month (with the least rainfall) is February (0.71").
Average rainfall days in December
Cost, TX
- Average rainfall days in December: 10.4 days
The month with the highest number of rainy days is September (16.4 days).
The month with the least rainy days is January (9.1 days).
Average snowfall in December
Cost, TX
- Average snowfall in December: 0.08"
The month with the highest snowfall is January (0.12").
The months with the least snowfall are March, April, May, June, July, August, September, October and November (0").
Average snowfall days in December
Cost, TX
- Average snowfall days in December: 0.3 days
The months with the highest number of snowfall days are January, February and December (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
Cost, 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: 9h and 48min).
The month with the least sunshine is December (Average sunshine: 4h and 48min).
Average sunshine days in December
Cost, TX
- Average sunshine days in December: 17.7 days
The month with the most sunshine days is January (20.3 days).
The month with the least sunshine days is June (11.1 days).
Average UV index in December
Cost, TX
- Average UV index in December: 3
The months with the highest UV index are June, July and August (UV index 7).
The month with the lowest UV index is December (UV index 3).
Average cloud cover in December
Cost, TX
- Average cloud cover in December: 48
The month with the most cloud cover is March (Cloud cover 51).
The month with the least cloud cover is August (Cloud cover 28).
Average visibility in December
Cost, TX
- Average visibility in December: 6mi
The months with the highest visibility are January, February, August, September, October, November and December (6mi).
The months with the lowest visibility are March, April, May, June and July (5mi).
