December weather forecastWaco, TX
December
Weather in December
Waco, Texas, concludes the year with a tranquil winter. December days are much shorter, addressing the entry of winter. The city sees a decrease in temperature, and experiences the shortest daylight hours of the year at 10.1. A typical December day sees a mix of cold temperatures and plentiful sunshine making it a festive month to wrap up the year.Temperature
Transitioning from November to December in Waco involves a subtle drop in average high-temperatures, descending from a comfortable 65.8°F (18.8°C) to a still refreshing 57.7°F (14.3°C). During December, Waco records a consistent average nighttime temperature of 42.8°F (6°C).Humidity
In December, the average relative humidity is 71%.Rainfall
In Waco, in December, it is raining for 9.7 days, with typically 1.81" (46mm) of accumulated precipitation. In Waco, during the entire year, the rain falls for 133.5 days and collects up to 26.65" (677mm) of precipitation.Snowfall
March through December are months without snowfall in Waco.Daylight
December has the shortest days of the year, with an average of 10h and 6min of daylight.On the first day of the month, sunrise is at 7:10 am and sunset at 5:25 pm. On the last day of December, sunrise is at 7:27 am and sunset at 5:35 pm CST.
Sunshine
December has the least sunshine of the year, with an average of 5.3h of sunshine.UV index
The months with the lowest UV index are January and December, with an average maximum UV index of 3. A UV Index of 3 to 5 symbolizes a moderate health risk from exposure to the Sun's UV rays for ordinary individuals.Note: A typical high UV index of 3 in December suggests the following recommendations:
Make use of precautions - It is urged to ward off sun damage. The Sun's UV radiation is especially harmful around midday, so reduce exposure and stay safe. To cut down UV radiation exposure by about half, sport a wide-brim hat. Mind this! Nearly twice the UV radiation from the Sun can be reflected by the snow.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Waco, TX
- Average high temperature in December: 57.7°F
The warmest month (with the highest average high temperature) is August (96.4°F).
The month with the lowest average high temperature is January (56.8°F).
- Average low temperature in December: 42.8°F
The month with the highest average low temperature is August (76.1°F).
The coldest month (with the lowest average low temperature) is January (40.5°F).
Average pressure in December
Waco, TX
- Average pressure in December: 30.12"Hg
The month with the highest atmospheric pressure is January (30.16"Hg).
The month with the lowest atmospheric pressure is June (29.92"Hg).
Average wind speed in December
Waco, TX
- Average wind speed in December: 9.1mph
The windiest month (with the highest average wind speed) is March (10.5mph).
The calmest month (with the lowest average wind speed) is September (6.9mph).
Average humidity in December
Waco, TX
- Average humidity in December: 71%
The month with the highest relative humidity is May (76%).
The month with the lowest relative humidity is August (57%).
Average rainfall in December
Waco, TX
- Average rainfall in December: 1.81"
The wettest month (with the highest rainfall) is October (3.82").
The driest month (with the least rainfall) is November (1.42").
Average rainfall days in December
Waco, TX
- Average rainfall days in December: 9.7 days
The month with the highest number of rainy days is May (14.5 days).
The month with the least rainy days is January (6.8 days).
Average snowfall in December
Waco, TX
- Average snowfall in December: 0"
The month with the highest snowfall is February (0.39").
The months with the least snowfall are March, April, May, June, July, August, September, October, November and December (0").
Average snowfall days in December
Waco, TX
- Average snowfall days in December: 0.3 days
The month with the highest number of snowfall days is February (0.9 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
Waco, TX
- Average daylight in December: 10h and 6min
The month with the longest days is June (Average daylight: 14h and 12min).
The month with the shortest days is December (Average daylight: 10h and 6min).
- Average sunshine in December: 5h and 18min
The month with the most sunshine is July (Average sunshine: 10h and 54min).
The month with the least sunshine is December (Average sunshine: 5h and 18min).
Average sunshine days in December
Waco, TX
- Average sunshine days in December: 19.1 days
The month with the most sunshine days is January (22.3 days).
The month with the least sunshine days is September (13.5 days).
Average UV index in December
Waco, TX
- Average UV index in December: 3
The month with the highest UV index is July (UV index 8).
The months with the lowest UV index are January and December (UV index 3).
Average cloud cover in December
Waco, TX
- Average cloud cover in December: 40
The month with the most cloud cover is March (Cloud cover 42).
The month with the least cloud cover is August (Cloud cover 22).
Average visibility in December
Waco, 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).
