December weather forecastGeorgetown, TX
December
Weather in December
The first month of the winter, December, is also a moderate month in Georgetown, Texas, with an average temperature varying between 44.1°F (6.7°C) and 59°F (15°C).Temperature
With the arrival of December, Georgetown experiences a modest decline in average high-temperatures, transitioning from 67.1°F (19.5°C) in November to a still refreshing 59°F (15°C). Georgetown's nighttime temperature in December falls to an average of 44.1°F (6.7°C).Humidity
In December, the average relative humidity is 70%.Rainfall
In Georgetown, Texas, during December, the rain falls for 9.3 days and regularly aggregates up to 1.34" (34mm) of precipitation. In Georgetown, Texas, during the entire year, the rain falls for 139.3 days and collects up to 21.93" (557mm) of precipitation.Snowfall
March through December are months without snowfall.Daylight
The month with the shortest days is December, with an average of 10h and 12min of daylight.On the first day of December in Georgetown, sunrise is at 7:10 am and sunset at 5:29 pm. On the last day of the month, sunrise is at 7:27 am and sunset at 5:40 pm CST.
Sunshine
December has the least sunshine of the year, with an average of 5.4h of sunshine.UV index
The month with the lowest UV index is December, with an average maximum UV index of 3. A UV Index of 3 to 5 symbolizes a moderate threat to health from exposure to the Sun's UV radiation for average individuals.Note: During December, 3 as the daily maximum UV index converts into the following advice:
Proceed with care. Light skin individuals may be exposed to burns in fewer than 30 minutes. Direct exposure to the Sun's intense radiation around midday should be avoided for health reasons. Your best bet for sun defense on the face, eyes, and neck is a hat with a wide brim. Watch out! The Sun's UV radiation can be nearly magnified twofold due to snow reflection.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Georgetown, TX
- Average high temperature in December: 59°F
The warmest month (with the highest average high temperature) is August (95.9°F).
The month with the lowest average high temperature is January (58.5°F).
- Average low temperature in December: 44.1°F
The month with the highest average low temperature is August (75.6°F).
The coldest month (with the lowest average low temperature) is January (41.9°F).
Average pressure in December
Georgetown, 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 (29.91"Hg).
Average wind speed in December
Georgetown, TX
- Average wind speed in December: 8.8mph
The windiest month (with the highest average wind speed) is March (10.1mph).
The calmest month (with the lowest average wind speed) is September (6.7mph).
Average humidity in December
Georgetown, TX
- Average humidity in December: 70%
The month with the highest relative humidity is May (75%).
The month with the lowest relative humidity is August (58%).
Average rainfall in December
Georgetown, TX
- Average rainfall in December: 1.34"
The wettest month (with the highest rainfall) is May (3.46").
The driest month (with the least rainfall) is February (0.87").
Average rainfall days in December
Georgetown, TX
- Average rainfall days in December: 9.3 days
The month with the highest number of rainy days is May (15.2 days).
The month with the least rainy days is January (7.7 days).
Average snowfall in December
Georgetown, TX
- Average snowfall in December: 0"
The month with the highest snowfall is February (0.2").
The months with the least snowfall are March, April, May, June, July, August, September, October, November and December (0").
Average snowfall days in December
Georgetown, TX
- Average snowfall days in December: 0.3 days
The months with the highest number of snowfall days are January and February (0.5 days).
The months with the least snowfall days are March, April, May, June, July, August, September and October (0 days).
Average daylight in December /
Average sunshine in December
Georgetown, TX
- Average daylight in December: 10h and 12min
The month with the longest days is June (Average daylight: 14h and 6min).
The month with the shortest days is December (Average daylight: 10h and 12min).
- Average sunshine in December: 5h and 24min
The month with the most sunshine is July (Average sunshine: 10h and 36min).
The month with the least sunshine is December (Average sunshine: 5h and 24min).
Average sunshine days in December
Georgetown, TX
- Average sunshine days in December: 18.1 days
The month with the most sunshine days is January (21.2 days).
The month with the least sunshine days is September (12.4 days).
Average UV index in December
Georgetown, 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
Georgetown, TX
- Average cloud cover in December: 40
The month with the most cloud cover is March (Cloud cover 44).
The month with the least cloud cover is August (Cloud cover 22).
Average visibility in December
Georgetown, 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).
