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
In December, the meteorological conditions alter, with the average high-temperature shifting from a cool 54.1°F (12.3°C) in November to a frosty 44.6°F (7°C). During December, Ridgway consistently records a temperature low averaging an icy 32.9°F (0.5°C).Humidity
In Ridgway, the average relative humidity in December is 78%.Rainfall
In Ridgway, during December, the rain falls for 10.4 days and regularly aggregates up to 2.05" (52mm) of precipitation. Throughout the year, there are 146.3 rainfall days, and 24.96" (634mm) of precipitation is accumulated.Snowfall
January through April, November and December are months with snowfall. In Ridgway, Illinois, during December, snow falls for 3.5 days and regularly aggregates up to 0.63" (16mm) of snow. Throughout the year, in Ridgway, Illinois, there are 15.9 snowfall days, and 3.58" (91mm) of snow is accumulated.Daylight
The month with the shortest days is December, with an average of 9h and 36min of daylight.On the first day of December, sunrise is at 6:50 am and sunset at 4:34 pm. On the last day of the month, sunrise is at 7:08 am and sunset at 4:44 pm CST.
Sunshine
The average sunshine in December is 4.7h.UV index
January, February and December, with an average maximum UV index of 2, are months with the lowest UV index in Ridgway. A UV Index reading of 2, and below, represents a low threat to health from exposure to the Sun's UV rays for ordinary individuals.Note: A maximum high UV index of 2 in December translates into the following recommendations:
Protection from prolonged sun exposure is necessary for babies, children, and individuals with sensitive skin. Considering the harmful UV rays from the Sun during midday, it's essential to reduce exposure. Sunglasses that ward off UVA and UVB rays play a pivotal role in reducing solar eye damage. Beware! The strength of the UV rays is increased nearly double-fold by the reflection of the snow.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Is it cold in Ridgway during December?
What is the average humidity in December in Ridgway?
How much does it rain in Ridgway in December?
How much does it snow in Ridgway in December?
What is the month with the shortest days in Ridgway?
How many hours of daylight does Ridgway have in December?
When is the sunrise / sunset in December in Ridgway?
How long on average sun shines in December in Ridgway?
What is the month with the lowest UV index in Ridgway?
What is the UV index intensity in December in Ridgway?
Average temperature in December
Ridgway, IL
- Average high temperature in December: 44.6°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 (39.7°F).
- Average low temperature in December: 32.9°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 (26.8°F).
Average pressure in December
Ridgway, 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
Ridgway, IL
- Average wind speed in December: 9.1mph
The windiest month (with the highest average wind speed) is February (9.8mph).
The calmest months (with the lowest average wind speed) are July and August (5.8mph).
Average humidity in December
Ridgway, 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 (70%).
Average rainfall in December
Ridgway, IL
- Average rainfall in December: 2.05"
The wettest month (with the highest rainfall) is April (3.27").
The driest month (with the least rainfall) is September (1.14").
Average rainfall days in December
Ridgway, IL
- Average rainfall days in December: 10.4 days
The month with the highest number of rainy days is May (16.7 days).
The month with the least rainy days is November (9 days).
Average snowfall in December
Ridgway, IL
- Average snowfall in December: 0.63"
The month with the highest snowfall is February (0.87").
The months with the least snowfall are May, June, July, August, September and October (0").
Average snowfall days in December
Ridgway, IL
- Average snowfall days in December: 3.5 days
The month with the highest number of snowfall days is January (4.8 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
Ridgway, 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 July (Average sunshine: 10h and 36min).
The month with the least sunshine is January (Average sunshine: 4h and 30min).
Average sunshine days in December
Ridgway, IL
- Average sunshine days in December: 17.2 days
The month with the most sunshine days is October (20.5 days).
The month with the least sunshine days is May (11.2 days).
Average UV index in December
Ridgway, 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
Ridgway, IL
- Average cloud cover in December: 50
The month with the most cloud cover is January (Cloud cover 51).
The month with the least cloud cover is June (Cloud cover 27).
Average visibility in December
Ridgway, 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).
Ridgway, Illinois, USA
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