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
During Lomax's transition into December, the average high-temperature lessens, moving from a frosty 48.6°F (9.2°C) in November to an icy 36.3°F (2.4°C). In Lomax, the December nights cool down to an average low of 25°F (-3.9°C).Humidity
In Lomax, the average relative humidity in December is 79%.Rainfall
The month with the least rainfall is December, when the rain falls for 7.2 days and typically collects 1.3" (33mm) of precipitation.Snowfall
Months with snowfall are January through April, October through December. In Lomax, in December, during 5.9 snowfall days, 1.38" (35mm) of snow is typically accumulated. Throughout the year, there are 29.5 snowfall days, and 11.77" (299mm) of snow is accumulated.Daylight
The month with the shortest days is December, with an average of 9h and 18min of daylight.On the first day of the month, sunrise is at 7:09 am and sunset at 4:37 pm. On the last day of December, in Lomax, sunrise is at 7:28 am and sunset at 4:47 pm CST.
Sunshine
In Lomax, the average sunshine in December is 4.7h.UV index
The average daily maximum UV index in December is 2. A UV Index of 2, and less, symbolizes a minimal health vulnerability from exposure to the Sun's UV rays for the ordinary person.Note: The daily high UV index of 2 in December translates into this advice:
The majority are not significantly affected by prolonged sun exposure. Infants, children, and those with fair skin must always have protection. To protect against the Sun's most potent rays, avoid direct exposure around midday. A hat with a generous brim can prevent nearly 50% of UV rays from reaching your eyes. Notice! The UV radiation of the Sun can be intensified nearly twofold due to the reflective quality of snow.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
How cold is it in December?
What is the average humidity in December?
What is the driest month?
How much does it rain in December?
How many days does it snow in December?
What is the month with the shortest days?
What is the average length of the day in December?
When is the sunrise / sunset in December?
How long on average sun shines in December?
What is the UV index reading in December?
Average temperature in December
Lomax, IL
- Average high temperature in December: 36.3°F
The warmest month (with the highest average high temperature) is July (82.4°F).
The month with the lowest average high temperature is January (30°F).
- Average low temperature in December: 25°F
The month with the highest average low temperature is July (65.7°F).
The coldest month (with the lowest average low temperature) is January (18°F).
Average pressure in December
Lomax, IL
- Average pressure in December: 30.11"Hg
The month with the highest atmospheric pressure is January (30.14"Hg).
The month with the lowest atmospheric pressure is June (29.9"Hg).
Average wind speed in December
Lomax, IL
- Average wind speed in December: 10mph
The windiest month (with the highest average wind speed) is January (10.6mph).
The calmest months (with the lowest average wind speed) are July and August (6.7mph).
Average humidity in December
Lomax, IL
- Average humidity in December: 79%
The month with the highest relative humidity is July (83%).
The month with the lowest relative humidity is October (70%).
Average rainfall in December
Lomax, IL
- Average rainfall in December: 1.3"
The wettest month (with the highest rainfall) is May (3.94").
The driest month (with the least rainfall) is December (1.3").
Average rainfall days in December
Lomax, IL
- Average rainfall days in December: 7.2 days
The month with the highest number of rainy days is May (17.8 days).
The month with the least rainy days is February (5.2 days).
Average snowfall in December
Lomax, IL
- Average snowfall in December: 1.38"
The month with the highest snowfall is January (4.25").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in December
Lomax, IL
- Average snowfall days in December: 5.9 days
The month with the highest number of snowfall days is January (9.8 days).
The months with the least snowfall days are May, June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Lomax, IL
- Average daylight in December: 9h and 2min
The month with the longest days is June (Average daylight: 15h and 0min).
The month with the shortest days is December (Average daylight: 9h and 18min).
- Average sunshine in December: 4h and 4min
The months with the most sunshine are June and July (Average sunshine: 10h and 18min).
The month with the least sunshine is January (Average sunshine: 4h and 12min).
Average sunshine days in December
Lomax, IL
- Average sunshine days in December: 19 days
The months with the most sunshine days are October and November (19.3 days).
The month with the least sunshine days is June (10.3 days).
Average UV index in December
Lomax, IL
- Average UV index in December: 2
The months with the highest UV index are June and July (UV index 6).
The month with the lowest UV index is January (UV index 1).
Average cloud cover in December
Lomax, IL
- Average cloud cover in December: 51
The month with the most cloud cover is January (Cloud cover 54).
The months with the least cloud cover are July, August and September (Cloud cover 29).
Average visibility in December
Lomax, IL
- 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).
Lomax, Illinois, USA
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