January weather forecastOkawville, IL
January
Weather in January
January, the same as December, is another cold winter month in Okawville, Illinois, with an average temperature fluctuating between 37.9°F (3.3°C) and 25°F (-3.9°C).Temperature
January, noted for its average high-temperature of 37.9°F (3.3°C) and an average low-temperature of 25°F (-3.9°C), is considered the coldest month.Humidity
In January, the average relative humidity is 76%.Rainfall
In Okawville, in January, it is raining for 9.4 days, with typically 2.4" (61mm) of accumulated precipitation. In Okawville, during the entire year, the rain falls for 166.8 days and collects up to 37.83" (961mm) of precipitation.Snowfall
January through April, September, November and December are months with snowfall. The month with the most snowfall is January, when snow falls for 7.3 days and typically aggregates up to 2.4" (61mm) of snow.Daylight
The average length of the day in January is 9h and 51min.On the first day of January, sunrise is at 7:15 am and sunset at 4:47 pm. On the last day of the month, sunrise is at 7:04 am and sunset at 5:18 pm CST.
Sunshine
With an average of 4.6h of sunshine, January has the least sunshine of the year.UV index
The months with the lowest UV index are January, February and December, with an average maximum UV index of 2. A UV Index estimate of 2, and below, represents a low health risk from exposure to the Sun's UV rays for ordinary individuals.Note: The UV index of 2 during January translates into the following guidance:
Infants, children, and people with sensitive skin should always have protection against lengthy periods of sun exposure. Around midday, solar radiation is most harmful; hence, exposure should be limited. A wide-brimmed hat is a staple for defending the face, eyes, ears, and neck from the Sun. Guard yourself! Snow reflection can almost double the UV radiation from the Sun.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in January
Okawville, IL
- Average high temperature in January: 37.9°F
The warmest month (with the highest average high temperature) is July (86°F).
The month with the lowest average high temperature is January (37.9°F).
- Average low temperature in January: 25°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 (25°F).
Average pressure in January
Okawville, IL
- Average pressure in January: 30.16"Hg
The month with the highest atmospheric pressure is January (30.16"Hg).
The month with the lowest atmospheric pressure is June (29.93"Hg).
Average wind speed in January
Okawville, IL
- Average wind speed in January: 9.7mph
The windiest month (with the highest average wind speed) is January (9.7mph).
The calmest month (with the lowest average wind speed) is July (5.7mph).
Average humidity in January
Okawville, IL
- Average humidity in January: 76%
The month with the highest relative humidity is May (80%).
The month with the lowest relative humidity is October (71%).
Average rainfall in January
Okawville, IL
- Average rainfall in January: 2.4"
The wettest month (with the highest rainfall) is April (4.45").
The driest month (with the least rainfall) is February (2.01").
Average rainfall days in January
Okawville, IL
- Average rainfall days in January: 9.4 days
The month with the highest number of rainy days is May (19.3 days).
The month with the least rainy days is December (9.2 days).
Average snowfall in January
Okawville, IL
- Average snowfall in January: 2.4"
The month with the highest snowfall is January (2.4").
The months with the least snowfall are May, June, July, August and October (0").
Average snowfall days in January
Okawville, IL
- Average snowfall days in January: 7.3 days
The month with the highest number of snowfall days is January (7.3 days).
The months with the least snowfall days are May, June, July and August (0 days).
Average daylight in January /
Average sunshine in January
Okawville, IL
- Average daylight in January: 9h and 48min
The month with the longest days is June (Average daylight: 14h and 48min).
The month with the shortest days is December (Average daylight: 9h and 30min).
- Average sunshine in January: 4h and 36min
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 36min).
Average sunshine days in January
Okawville, IL
- Average sunshine days in January: 15.9 days
The months with the most sunshine days are October and November (17.5 days).
The month with the least sunshine days is May (9.3 days).
Average UV index in January
Okawville, IL
- Average UV index in January: 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 January
Okawville, IL
- Average cloud cover in January: 50
The month with the most cloud cover is January (Cloud cover 50).
The month with the least cloud cover is June (Cloud cover 28).
Average visibility in January
Okawville, IL
- Average visibility in January: 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).





