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 onset of December entails a subtle temperature shift, as the average high-temperature eases from an enjoyable 66°F (18.9°C) in November to a mild 60.3°F (15.7°C). Lyons usually reports an average low-temperature of 45°F (7.2°C) during the month of December.Humidity
The months with the highest humidity in Lyons are August, September and December, with an average relative humidity of 76%.Rainfall
In Lyons, during December, the rain falls for 11.8 days and regularly aggregates up to 3.31" (84mm) of precipitation. In Lyons, during the entire year, the rain falls for 176.8 days and collects up to 33.98" (863mm) of precipitation.Snowfall
March through December are months without snowfall.Daylight
With an average of 10h and 6min of daylight, December has the shortest days of the year.On the first day of the month, sunrise is at 7:12 am and sunset at 5:24 pm. On the last day of December, in Lyons, sunrise is at 7:30 am and sunset at 5:35 pm EST.
Sunshine
The month with the least sunshine is December, 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 medium vulnerability from unsafe exposure to UV radiation for the ordinary person.Note: In December, the maximum UV index of 3 translates into these guidelines:
Act with care - The suggestion to avoid sunburn is emphasized. Avoid the Sun's strongest UV rays by seeking shade and limiting exposure during midday. Counter UV radiation's ill effects with clothing designed for sun safety and UV-resistant eyewear. Remember to consider! The UV radiation from the Sun can be intensified nearly twice by the reflection of snow.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What are the temperatures in Lyons in December?
What are the most humid months in Lyons?
What is the average humidity in December in Lyons?
How much does it rain in Lyons in December?
When it does not snow in Lyons?
Does it snow in Lyons in December?
What is the month with the shortest days in Lyons?
How many hours of daylight does Lyons have in December?
What time 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 are the months with the lowest UV index in Lyons?
What is the UV index intensity in December in Lyons?
Average temperature in December
Lyons, GA
- Average high temperature in December: 60.3°F
The warmest month (with the highest average high temperature) is July (90.5°F).
The month with the lowest average high temperature is January (56.8°F).
- Average low temperature in December: 45°F
The month with the highest average low temperature is July (73.4°F).
The coldest month (with the lowest average low temperature) is January (40.6°F).
Average pressure in December
Lyons, GA
- Average pressure in December: 30.13"Hg
The month with the highest atmospheric pressure is January (30.15"Hg).
The months with the lowest atmospheric pressure are June and August (29.98"Hg).
Average wind speed in December
Lyons, GA
- Average wind speed in December: 7.3mph
The windiest month (with the highest average wind speed) is March (8mph).
The calmest month (with the lowest average wind speed) is August (5.6mph).
Average humidity in December
Lyons, GA
- Average humidity in December: 76%
The months with the highest relative humidity are August, September and December (76%).
The months with the lowest relative humidity are January and November (71%).
Average rainfall in December
Lyons, GA
- Average rainfall in December: 3.31"
The wettest month (with the highest rainfall) is August (3.94").
The driest month (with the least rainfall) is November (1.69").
Average rainfall days in December
Lyons, GA
- Average rainfall days in December: 11.8 days
The month with the highest number of rainy days is July (23.1 days).
The month with the least rainy days is November (8.2 days).
Average snowfall in December
Lyons, GA
- Average snowfall in December: 0"
The months with the highest snowfall are January and February (0.08").
The months with the least snowfall are March, April, May, June, July, August, September, October, November and December (0").
Average snowfall days in December
Lyons, GA
- Average snowfall days in December: 0.1 days
The month with the highest number of snowfall days is February (0.3 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
Lyons, GA
- Average daylight in December: 10h and 1min
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 2min
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
Lyons, GA
- Average sunshine days in December: 17.4 days
The month with the most sunshine days is November (19.7 days).
The month with the least sunshine days is August (5.6 days).
Average UV index in December
Lyons, GA
- 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
Lyons, GA
- Average cloud cover in December: 41
The month with the most cloud cover is December (Cloud cover 41).
The month with the least cloud cover is October (Cloud cover 28).
Average visibility in December
Lyons, GA
- 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, Georgia, USA
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