December weather forecastCumby, TX
December
Weather in December
December, the first month of the winter in Cumby, is still a cool month, with an average temperature ranging between max 54.5°F (12.5°C) and min 40.5°F (4.7°C).Temperature
The onset of December is marked by a minor decrease in temperature, transitioning from an enjoyable 63.3°F (17.4°C) in November to a fresh 54.5°F (12.5°C). An average nighttime temperature of 40.5°F (4.7°C) is noted during the month of December.Humidity
In December, the average relative humidity is 74%.Rainfall
In Cumby, in December, it is raining for 10.5 days, with typically 2.44" (62mm) of accumulated precipitation. Throughout the year, there are 143.9 rainfall days, and 32.24" (819mm) of precipitation is accumulated.Snowfall
In Cumby, snow does not fall in April through October and December.Daylight
December has the shortest days of the year, with an average of 10h and 0min of daylight.On the first day of the month, sunrise is at 7:09 am and sunset at 5:16 pm. On the last day of December, sunrise is at 7:26 am and sunset at 5:26 pm CST.
Sunshine
December has the least sunshine of the year, with an average of 5.4h of sunshine.UV index
The months with the lowest UV index are January, February, November and December, with an average maximum UV index of 3. A UV Index value of 3 to 5 symbolizes a moderate health risk from exposure to the Sun's UV radiation for the ordinary person.Note: In December, the maximum UV index of 3 suggests these recommendations:
Be cautious. Those with fair skin can be subjected to burns in fewer than 30 minutes. To avoid the Sun's strongest rays, limit exposure around the mid-day period. To cut down UV radiation exposure by about half, sport a wide-brim hat. Attention! Nearly twice the Sun's UV radiation can be reflected by snow.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Cumby, TX
- Average high temperature in December: 54.5°F
The warmest month (with the highest average high temperature) is August (94.1°F).
The month with the lowest average high temperature is January (53.1°F).
- Average low temperature in December: 40.5°F
The month with the highest average low temperature is July (73.8°F).
The coldest month (with the lowest average low temperature) is January (37°F).
Average pressure in December
Cumby, TX
- Average pressure in December: 30.13"Hg
The month with the highest atmospheric pressure is January (30.16"Hg).
The month with the lowest atmospheric pressure is June (29.91"Hg).
Average wind speed in December
Cumby, TX
- Average wind speed in December: 8.3mph
The windiest month (with the highest average wind speed) is March (9.4mph).
The calmest month (with the lowest average wind speed) is September (6.4mph).
Average humidity in December
Cumby, TX
- Average humidity in December: 74%
The month with the highest relative humidity is May (79%).
The month with the lowest relative humidity is August (63%).
Average rainfall in December
Cumby, TX
- Average rainfall in December: 2.44"
The wettest month (with the highest rainfall) is October (3.86").
The driest month (with the least rainfall) is January (1.69").
Average rainfall days in December
Cumby, TX
- Average rainfall days in December: 10.5 days
The month with the highest number of rainy days is May (15 days).
The month with the least rainy days is January (8.5 days).
Average snowfall in December
Cumby, TX
- Average snowfall in December: 0"
The month with the highest snowfall is February (0.91").
The months with the least snowfall are April, May, June, July, August, September, October and December (0").
Average snowfall days in December
Cumby, TX
- Average snowfall days in December: 0.2 days
The month with the highest number of snowfall days is February (1.3 days).
The months with the least snowfall days are April, May, June, July, August, September and October (0 days).
Average daylight in December /
Average sunshine in December
Cumby, TX
- Average daylight in December: 10h and 0min
The month with the longest days is June (Average daylight: 14h and 18min).
The month with the shortest days is December (Average daylight: 10h and 0min).
- Average sunshine in December: 5h and 24min
The month with the most sunshine is August (Average sunshine: 11h and 6min).
The month with the least sunshine is December (Average sunshine: 5h and 24min).
Average sunshine days in December
Cumby, TX
- Average sunshine days in December: 18.5 days
The month with the most sunshine days is January (20.8 days).
The months with the least sunshine days are April and May (14.2 days).
Average UV index in December
Cumby, TX
- Average UV index in December: 3
The months with the highest UV index are June, July and August (UV index 7).
The months with the lowest UV index are January, February, November and December (UV index 3).
Average cloud cover in December
Cumby, TX
- Average cloud cover in December: 40
The month with the most cloud cover is February (Cloud cover 44).
The month with the least cloud cover is August (Cloud cover 21).
Average visibility in December
Cumby, 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).
