Contents
- Weather in December
- Frequently asked questions
- Average temperature in December
- Average pressure in December
- Average wind speed in December
- Average humidity in December
- Average rainfall in December
- Average rainfall days in December
- Average snowfall in December
- Average snowfall days in December
- Average daylight in December
- Average sunshine in December
- Average sunshine days in December
- Average UV index in December
- Average cloud cover in December
- Average visibility in December
Weather in December
Temperature
The transition into December subtly indicates a reduction in the average high-temperature, down to a moderate 56.1°F (13.4°C) from November's enjoyable 64.6°F (18.1°C). Throughout the month of December, Lillian observes an average nighttime temperature of 41.5°F (5.3°C).Humidity
In December, the average relative humidity is 69%.Rainfall
In Lillian, during December, the rain falls for 7.4 days and regularly aggregates up to 0.75" (19mm) of precipitation. In Lillian, during the entire year, the rain falls for 111.5 days and collects up to 12.8" (325mm) of precipitation.Snowfall
February, November and December are months with snowfall in Lillian. December is the last month it regularly snows. During 0.1 snowfall days, in December, Lillian aggregates 0.04" (1mm) of snow. Throughout the year, there are 1.7 snowfall days, and 0.31" (8mm) of snow is accumulated.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 7:13 am and sunset at 5:23 pm. On the last day of December, in Lillian, sunrise is at 7:30 am and sunset at 5:33 pm CST.
Sunshine
The month with the least sunshine is December, with an average of 5.6h 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 value of 3 to 5 symbolizes a medium vulnerability from unsafe exposure to UV radiation for ordinary individuals.Note: The maximum UV index of 3 during December translates into these guidelines:
Adopt protective measures - It is advised to guard against sun damage. For health reasons, it's advisable to reduce direct sun exposure during peak hours around midday. Arm yourself against UV rays' harm with protective apparel and UV-filtering shades. Mind you! Snow reflection can increase the intensity of the Sun's UV radiation nearly twofold.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What are the temperatures in December?
What is the average humidity in December?
How much does it rain in December?
What is the last month it snows?
What is the month with the shortest days?
How many hours of daylight does Lillian have in December?
When is the sunrise / sunset in December?
What is the month with the least sunshine?
How many hours of sunshine does Lillian have in December?
What are the months with the lowest UV index?
How high is the UV index in December in Lillian?
Average temperature in December
Lillian, TX
- Average high temperature in December: 56.1°F
The warmest month (with the highest average high temperature) is August (95.5°F).
The month with the lowest average high temperature is January (55.2°F).
- Average low temperature in December: 41.5°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 (38.8°F).
Average pressure in December
Lillian, 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
Lillian, TX
- Average wind speed in December: 8.7mph
The windiest months (with the highest average wind speed) are March and April (10.3mph).
The calmest month (with the lowest average wind speed) is September (6.7mph).
Average humidity in December
Lillian, TX
- Average humidity in December: 69%
The month with the highest relative humidity is May (74%).
The month with the lowest relative humidity is August (57%).
Average rainfall in December
Lillian, TX
- Average rainfall in December: 0.75"
The wettest month (with the highest rainfall) is May (1.77").
The driest month (with the least rainfall) is February (0.51").
Average rainfall days in December
Lillian, TX
- Average rainfall days in December: 7.4 days
The month with the highest number of rainy days is September (12.6 days).
The month with the least rainy days is January (4.8 days).
Average snowfall in December
Lillian, TX
- Average snowfall in December: 0.04"
The month with the highest snowfall is February (0.24").
The months with the least snowfall are January, March, April, May, June, July, August, September and October (0").
Average snowfall days in December
Lillian, TX
- Average snowfall days in December: 0.1 days
The month with the highest number of snowfall days is February (1.2 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
Lillian, TX
- Average daylight in December: 10h and 1min
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 6min).
- Average sunshine in December: 5h and 4min
The month with the most sunshine is July (Average sunshine: 11h and 0min).
The month with the least sunshine is December (Average sunshine: 5h and 36min).
Average sunshine days in December
Lillian, TX
- Average sunshine days in December: 21.9 days
The month with the most sunshine days is January (23.9 days).
The month with the least sunshine days is September (14.8 days).
Average UV index in December
Lillian, 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 and December (UV index 3).
Average cloud cover in December
Lillian, TX
- Average cloud cover in December: 37
The month with the most cloud cover is March (Cloud cover 40).
The month with the least cloud cover is August (Cloud cover 21).
Average visibility in December
Lillian, 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).
Lillian, Texas, USA
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