Contents
- Weather in January
- Frequently asked questions
- Average temperature in January
- Average pressure in January
- Average wind speed in January
- Average humidity in January
- Average rainfall in January
- Average rainfall days in January
- Average snowfall in January
- Average snowfall days in January
- Average daylight in January
- Average sunshine in January
- Average sunshine days in January
- Average UV index in January
- Average cloud cover in January
- Average visibility in January
Weather in January
Temperature
In Oakley, the month of January registers the lowest temperatures, averaging 32.5°F (0.3°C) at the peak and 20.8°F (-6.2°C) at the lowest.Humidity
In Oakley, Illinois, the average relative humidity in January is 80%.Rainfall
In Oakley, during January, the rain falls for 7 days and regularly aggregates up to 1.61" (41mm) of precipitation. Throughout the year, in Oakley, Illinois, there are 147.7 rainfall days, and 24.61" (625mm) of precipitation is accumulated.Snowfall
January through April, November and December are months with snowfall in Oakley. January is the month with the most snowfall in Oakley. Snow falls for 9.3 days and accumulates 2.72" (69mm) of snow.Daylight
In Oakley, Illinois, the average length of the day in January is 9h and 44min.On the first day of the month, sunrise is at 7:16 am and sunset at 4:40 pm. On the last day of January, sunrise is at 7:04 am and sunset at 5:12 pm CST.
Sunshine
The month with the least sunshine in Oakley, Illinois, is January, with an average of 4.1h of sunshine.UV index
The months with the lowest UV index are January, February, November and December, with an average maximum UV index of 2. A UV Index of 2, and less, symbolizes a minimal health vulnerability from unprotected exposure to Sun's UV rays for average individuals.Note: A maximum daily UV index of 2 during January morphs into the following directions:
Sun exposure does not present considerable issues for many, yet infants, fair-skinned people, and children necessitate constant protection. Avoiding direct sunlight during midday hours helps reduce the risk from intense UV radiation. For effective sun eye protection, rely on sunglasses certified for UVA and UVB resistance. Be prepared! The intensity of the Sun's UV radiation can be amplified nearly double due to snow reflection.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the coldest time of year in Oakley?
How cold is January in Oakley?
What is the average humidity in January in Oakley?
How much does it rain in Oakley in January?
What is the snowiest month in Oakley?
How many days does it snow in January in Oakley?
How many hours of daylight does Oakley have in January?
What time are sunrise and sunset in January in Oakley?
What is the month with the least sunshine in Oakley?
How many hours of sunshine does Oakley have in January?
What is the month with the lowest UV index in Oakley?
What is the UV index reading in January in Oakley?
Average temperature in January
Oakley, IL
- Average high temperature in January: 32.5°F
The warmest month (with the highest average high temperature) is July (82°F).
The month with the lowest average high temperature is January (32.5°F).
- Average low temperature in January: 20.8°F
The month with the highest average low temperature is July (65.5°F).
The coldest month (with the lowest average low temperature) is January (20.8°F).
Average pressure in January
Oakley, IL
- Average pressure in January: 30.15"Hg
The month with the highest atmospheric pressure is January (30.15"Hg).
The month with the lowest atmospheric pressure is June (29.92"Hg).
Average wind speed in January
Oakley, IL
- Average wind speed in January: 10.8mph
The windiest month (with the highest average wind speed) is January (10.8mph).
The calmest months (with the lowest average wind speed) are July and August (6.3mph).
Average humidity in January
Oakley, IL
- Average humidity in January: 80%
The month with the highest relative humidity is July (84%).
The month with the lowest relative humidity is October (70%).
Average rainfall in January
Oakley, IL
- Average rainfall in January: 1.61"
The wettest month (with the highest rainfall) is April (2.95").
The driest month (with the least rainfall) is December (1.38").
Average rainfall days in January
Oakley, IL
- Average rainfall days in January: 7 days
The month with the highest number of rainy days is May (17.5 days).
The month with the least rainy days is January (7 days).
Average snowfall in January
Oakley, IL
- Average snowfall in January: 2.72"
The month with the highest snowfall is January (2.72").
The months with the least snowfall are May, June, July, August, September and October (0").
Average snowfall days in January
Oakley, IL
- Average snowfall days in January: 9.3 days
The month with the highest number of snowfall days is January (9.3 days).
The months with the least snowfall days are May, June, July, August and September (0 days).
Average daylight in January /
Average sunshine in January
Oakley, IL
- Average daylight in January: 9h and 4min
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 24min).
- Average sunshine in January: 4h and 1min
The month with the most sunshine is June (Average sunshine: 10h and 24min).
The month with the least sunshine is January (Average sunshine: 4h and 6min).
Average sunshine days in January
Oakley, IL
- Average sunshine days in January: 16.2 days
The month with the most sunshine days is November (18.6 days).
The month with the least sunshine days is July (10.3 days).
Average UV index in January
Oakley, IL
- Average UV index in January: 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 January
Oakley, IL
- Average cloud cover in January: 56
The month with the most cloud cover is January (Cloud cover 56).
The months with the least cloud cover are June and September (Cloud cover 30).
Average visibility in January
Oakley, IL
- Average visibility in January: 6mi
The months with the highest visibility are January, February, March, April, May, June, September, October, November and December (6mi).
The months with the lowest visibility are July and August (5mi).
Oakley, Illinois, USA
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