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
December's arrival coincides with a drop in the average high-temperature, decreasing from November's fresh 54.5°F (12.5°C) to a frosty 45.1°F (7.3°C). An average low-temperature of 33.3°F (0.7°C) is observed during December nights in Saline Landing.Humidity
In Saline Landing, Illinois, the average relative humidity in December is 78%.Rainfall
In Saline Landing, in December, during 9.5 rainfall days, 1.57" (40mm) of precipitation is typically accumulated. In Saline Landing, during the entire year, the rain falls for 136.4 days and collects up to 20" (508mm) of precipitation.Snowfall
Months with snowfall are January through April, November and December. In Saline Landing, in December, during 3.5 snowfall days, 0.28" (7mm) of snow is typically accumulated. In Saline Landing, during the entire year, snow falls for 15.2 days and aggregates up to 3.03" (77mm) of snow.Daylight
With an average of 9h and 36min of daylight, December has the shortest days of the year in Saline Landing.On the first day of December in Saline Landing, sunrise is at 6:49 am and sunset at 4:34 pm. On the last day of the month, sunrise is at 7:07 am and sunset at 4:44 pm CST.
Sunshine
The average sunshine in December is 4.7h.UV index
The months with the lowest UV index in Saline Landing are January, February and December, with an average maximum UV index of 2. A UV Index value of 2, and less, symbolizes a low health risk from unprotected exposure to Sun's UV rays for ordinary individuals.Note: The UV index of 2 in December translates into these instructions:
Apart from children, who require continuous protection, most can endure sun exposure for up to an hour without experiencing burns. The solar radiation is most powerful near the mid-day, so the exposure to the direct Sun should be reduced accordingly. Combat UV radiation's detrimental effects with sun-safe clothing and UV-blocking eyewear. Pay attention! The reflection of snow can enhance the Sun's UV radiation almost double.
Frequently asked questions
What are December temperatures in Saline Landing?
What is the average humidity in December in Saline Landing?
How much does it rain in Saline Landing in December?
How many days does it snow in December in Saline Landing?
What is the month with the shortest days in Saline Landing?
How many hours of daylight does Saline Landing have in December?
When are sunrise and sunset in December in Saline Landing?
How long on average sun shines in December in Saline Landing?
What is the month with the lowest UV index in Saline Landing?
How high is the UV index in December in Saline Landing?
Average temperature in December
Saline Landing, IL
- Average high temperature in December: 45.1°F
The warmest month (with the highest average high temperature) is July (86.2°F).
The month with the lowest average high temperature is January (40.1°F).
- Average low temperature in December: 33.3°F
The month with the highest average low temperature is July (68.4°F).
The coldest month (with the lowest average low temperature) is January (27.5°F).
Average pressure in December
Saline Landing, IL
- Average pressure in December: 30.14"Hg
The month with the highest atmospheric pressure is January (30.16"Hg).
The month with the lowest atmospheric pressure is June (29.95"Hg).
Average wind speed in December
Saline Landing, IL
- Average wind speed in December: 9.1mph
The windiest month (with the highest average wind speed) is February (9.9mph).
The calmest month (with the lowest average wind speed) is July (5.8mph).
Average humidity in December
Saline Landing, IL
- Average humidity in December: 78%
The month with the highest relative humidity is May (80%).
The month with the lowest relative humidity is October (71%).
Average rainfall in December
Saline Landing, IL
- Average rainfall in December: 1.57"
The wettest month (with the highest rainfall) is April (2.2").
The driest month (with the least rainfall) is September (0.91").
Average rainfall days in December
Saline Landing, IL
- Average rainfall days in December: 9.5 days
The month with the highest number of rainy days is July (14.8 days).
The month with the least rainy days is January (8.2 days).
Average snowfall in December
Saline Landing, IL
- Average snowfall in December: 0.28"
The month with the highest snowfall is January (0.79").
The months with the least snowfall are May, June, July, August, September and October (0").
Average snowfall days in December
Saline Landing, IL
- Average snowfall days in December: 3.5 days
The month with the highest number of snowfall days is January (4.4 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
Saline Landing, IL
- Average daylight in December: 9h and 4min
The month with the longest days is June (Average daylight: 14h and 42min).
The month with the shortest days is December (Average daylight: 9h and 36min).
- Average sunshine in December: 4h and 4min
The month with the most sunshine is June (Average sunshine: 10h and 30min).
The month with the least sunshine is January (Average sunshine: 4h and 30min).
Average sunshine days in December
Saline Landing, IL
- Average sunshine days in December: 17.8 days
The month with the most sunshine days is October (20.7 days).
The month with the least sunshine days is July (13.1 days).
Average UV index in December
Saline Landing, IL
- Average UV index in December: 2
The months with the highest UV index are May, June, July and August (UV index 6).
The months with the lowest UV index are January, February and December (UV index 2).
Average cloud cover in December
Saline Landing, IL
- Average cloud cover in December: 50
The month with the most cloud cover is January (Cloud cover 52).
The month with the least cloud cover is June (Cloud cover 28).
Average visibility in December
Saline Landing, 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).
Saline Landing, Illinois, USA
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