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 moderate decline in the average high-temperature is seen during December, decreasing from a fresh 51.8°F (11°C) in November to a wintry 41.5°F (5.3°C). In Old Ripley, December's nights observe an average temperature dip to a subzero cold 29.8°F (-1.2°C).Humidity
In December, the average relative humidity in Old Ripley is 78%.Rainfall
In Old Ripley, in December, it is raining for 7.2 days, with typically 1.61" (41mm) of accumulated precipitation. In Old Ripley, during the entire year, the rain falls for 137.9 days and collects up to 24.88" (632mm) of precipitation.Snowfall
Months with snowfall are January through March, November and December. The month with the most snowfall is December, when snow falls for 4.1 days and typically aggregates up to 1.89" (48mm) of snow.Daylight
The month with the shortest days in Old Ripley, Illinois, is December, with an average of 9h and 30min of daylight.On the first day of the month, sunrise is at 6:58 am and sunset at 4:36 pm. On the last day of December, in Old Ripley, Illinois, sunrise is at 7:16 am and sunset at 4:46 pm CST.
Sunshine
In December, the average sunshine is 4.7h.UV index
The months with the lowest UV index in Old Ripley are January, February, November and December, with an average maximum UV index of 2. A UV Index value of 2, and less, symbolizes a low health risk from unsafe exposure to UV radiation for the ordinary person.Note: The UV index of 2 during December translates into the following guidance:
Babies, children, and individuals with sensitive skin should always have protection against extended sun exposure. Midday is the peak time for the Sun's radiation; stay in the shade and protect yourself. A wide-brim hat offers excellent sun protection for the eyes, ears, face, and neck. Sunglasses with UVA and UVB protection significantly reduce eye damage from sun exposure. 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
Is it cold in Old Ripley during December?
What is the average humidity in December in Old Ripley?
How much does it rain in Old Ripley in December?
What is the snowiest month in Old Ripley?
How much does it snow in Old Ripley in December?
What is the month with the shortest days in Old Ripley?
What is the average length of the day in December in Old Ripley?
What time are sunrise and sunset in December in Old Ripley?
How many hours of sunshine does Old Ripley have in December?
What is the month with the lowest UV index in Old Ripley?
How high is the UV index in December in Old Ripley?
Average temperature in December
Old Ripley, IL
- Average high temperature in December: 41.5°F
The warmest month (with the highest average high temperature) is July (84.4°F).
The month with the lowest average high temperature is January (36.1°F).
- Average low temperature in December: 29.8°F
The month with the highest average low temperature is July (67.5°F).
The coldest month (with the lowest average low temperature) is January (23.4°F).
Average pressure in December
Old Ripley, IL
- Average pressure in December: 30.13"Hg
The month with the highest atmospheric pressure is January (30.16"Hg).
The month with the lowest atmospheric pressure is June (29.92"Hg).
Average wind speed in December
Old Ripley, IL
- Average wind speed in December: 9.2mph
The windiest month (with the highest average wind speed) is January (10mph).
The calmest month (with the lowest average wind speed) is July (5.8mph).
Average humidity in December
Old Ripley, IL
- Average humidity in December: 78%
The month with the highest relative humidity is July (81%).
The month with the lowest relative humidity is October (71%).
Average rainfall in December
Old Ripley, IL
- Average rainfall in December: 1.61"
The wettest month (with the highest rainfall) is June (3.43").
The driest month (with the least rainfall) is February (1.26").
Average rainfall days in December
Old Ripley, IL
- Average rainfall days in December: 7.2 days
The month with the highest number of rainy days is May (17.2 days).
The month with the least rainy days is January (6.3 days).
Average snowfall in December
Old Ripley, IL
- Average snowfall in December: 1.89"
The month with the highest snowfall is December (1.89").
The months with the least snowfall are April, May, June, July, August, September and October (0").
Average snowfall days in December
Old Ripley, IL
- Average snowfall days in December: 4.1 days
The month with the highest number of snowfall days is January (5.8 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
Old Ripley, IL
- Average daylight in December: 9h and 3min
The month with the longest days is June (Average daylight: 14h and 54min).
The month with the shortest days is December (Average daylight: 9h and 30min).
- Average sunshine in December: 4h and 4min
The month with the most sunshine is June (Average sunshine: 10h and 24min).
The months with the least sunshine are January and February (Average sunshine: 4h and 30min).
Average sunshine days in December
Old Ripley, IL
- Average sunshine days in December: 20 days
The month with the most sunshine days is December (20 days).
The month with the least sunshine days is May (11.8 days).
Average UV index in December
Old Ripley, IL
- Average UV index in December: 2
The months with the highest UV index are June, July and August (UV index 6).
The months with the lowest UV index are January, February, November and December (UV index 2).
Average cloud cover in December
Old Ripley, IL
- Average cloud cover in December: 50
The month with the most cloud cover is January (Cloud cover 52).
The months with the least cloud cover are June, July, August and September (Cloud cover 29).
Average visibility in December
Old Ripley, 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).
Old Ripley, Illinois, USA
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