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
A modest decline in the average high-temperature is seen during December, decreasing from a comfortable 67.5°F (19.7°C) in November to a moderate 59.7°F (15.4°C). During December nights, Lyons records an average temperature of 44.8°F (7.1°C).Humidity
In Lyons, the average relative humidity in December is 75%.Rainfall
In Lyons, in December, during 8.5 rainfall days, 1.22" (31mm) of precipitation is typically accumulated. Throughout the year, there are 126.1 rainfall days, and 16.14" (410mm) of precipitation is accumulated.Snowfall
January, February and December are months with snowfall. December is the first month it typically snows in Lyons. Throughout December, in the average 0.2 snowfall days, it receives 0.04" (1mm) of snow. In Lyons, during the entire year, snow falls for 1 days and aggregates up to 0.16" (4mm) of snow.Daylight
December has the shortest days of the year, with an average of 10h and 12min of daylight.On the first day of December, sunrise is at 7:05 am and sunset at 5:25 pm. On the last day of the month, sunrise is at 7:22 am and sunset at 5:36 pm CST.
Sunshine
The month with the least sunshine is December, with an average of 5h of sunshine.UV index
December is the month with the lowest UV index, with an average maximum UV index of 3. A UV Index value of 3 to 5 symbolizes a medium health hazard from exposure to the Sun's UV radiation for the ordinary person.Note: In December, a daily UV index of 3 turns into the following recommendations:
Make use of precautions - Shielding skin and eyes from injury is a requirement. The solar radiation around mid-day is intense; avoid the Sun and stay safe. During bright days, sunglasses that offer UVA and UVB defense are recommended. Consider carefully! The reflective quality of snow can almost double the intensity of the Sun's UV radiation.
Frequently asked questions
What are the temperatures in Lyons in December?
What is the average humidity in December in Lyons?
How much does it rain in Lyons in December?
When does it start to snow in Lyons?
What is the month with the shortest days in Lyons?
What is the average length of the day in December in Lyons?
When are sunrise and sunset in December in Lyons?
What is the month with the least sunshine in Lyons?
How many hours of sunshine does Lyons have in December?
What is the month with the lowest UV index in Lyons?
What is the UV index reading in December in Lyons?
Average temperature in December
Lyons, TX
- Average high temperature in December: 59.7°F
The warmest month (with the highest average high temperature) is August (95.7°F).
The month with the lowest average high temperature is January (58.5°F).
- Average low temperature in December: 44.8°F
The month with the highest average low temperature is August (74.8°F).
The coldest month (with the lowest average low temperature) is January (42.4°F).
Average pressure in December
Lyons, TX
- Average pressure in December: 30.12"Hg
The month with the highest atmospheric pressure is January (30.16"Hg).
The months with the lowest atmospheric pressure are May and June (29.93"Hg).
Average wind speed in December
Lyons, TX
- Average wind speed in December: 8mph
The windiest months (with the highest average wind speed) are February and March (8.8mph).
The calmest month (with the lowest average wind speed) is September (5.9mph).
Average humidity in December
Lyons, TX
- Average humidity in December: 75%
The month with the highest relative humidity is May (79%).
The month with the lowest relative humidity is August (65%).
Average rainfall in December
Lyons, TX
- Average rainfall in December: 1.22"
The wettest month (with the highest rainfall) is May (2.56").
The driest months (with the least rainfall) are January and February (0.71").
Average rainfall days in December
Lyons, TX
- Average rainfall days in December: 8.5 days
The month with the highest number of rainy days is September (13.5 days).
The month with the least rainy days is January (7.9 days).
Average snowfall in December
Lyons, TX
- Average snowfall in December: 0.04"
The month with the highest snowfall is January (0.08").
The months with the least snowfall are March, April, May, June, July, August, September, October and November (0").
Average snowfall days in December
Lyons, TX
- Average snowfall days in December: 0.2 days
The months with the highest number of snowfall days are January and February (0.3 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
Lyons, TX
- Average daylight in December: 10h and 1min
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 0min
The month with the most sunshine is August (Average sunshine: 10h and 12min).
The month with the least sunshine is December (Average sunshine: 5h and 0min).
Average sunshine days in December
Lyons, TX
- Average sunshine days in December: 18.5 days
The month with the most sunshine days is October (20.4 days).
The month with the least sunshine days is September (13.8 days).
Average UV index in December
Lyons, 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
Lyons, TX
- Average cloud cover in December: 45
The months with the most cloud cover are February and March (Cloud cover 48).
The month with the least cloud cover is August (Cloud cover 26).
Average visibility in December
Lyons, 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).
Lyons, Texas, USA
Weather forecast for your location
2. Allow the app to use your location
