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
The coldest time of the year is January, with temperatures averaging a high of 0.5°C (32.9°F) and a low of -6°C (21.2°F).Humidity
In Oreana, Illinois, the average relative humidity in January is 79%.Rainfall
In Oreana, in January, during 6.3 rainfall days, 27mm (1.06") of precipitation is typically accumulated. In Oreana, during the entire year, the rain falls for 130.2 days and collects up to 415mm (16.34") of precipitation.Snowfall
January through April, November and December are months with snowfall. January is the month with the most snowfall in Oreana. Snow falls for 7.2 days and accumulates 47mm (1.85") of snow.Daylight
The average length of the day in January in Oreana is 9h and 43min.On the first day of January, sunrise is at 7:17 am and sunset at 4:40 pm. On the last day of the month, sunrise is at 7:04 am and sunset at 5:12 pm CST.
Sunshine
January has the least sunshine of the year, 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 estimate of 2, and below, represents a minimal health vulnerability from exposure to the Sun's UV rays for the ordinary person.Note: A maximum UV index of 2 in January translates into the following recommendations:
Extended time in the sun generally does not harm most, but those with sensitive skin, infants, and children should always be protected. The Sun is most powerful around mid-day, so it's a good practice to reduce direct exposure. On bright days sunglasses that block both UVA and UVB rays should be worn. A hat with a wide brim is extremely helpful, as it can prevent roughly 50% of UV radiation from reaching the eyes. Note well! The intensity of the Sun's UV rays can be nearly doubled by snow reflection.
Frequently asked questions
What part of the year is the coldest in Oreana?
How cold is it in Oreana in January?
What is the average humidity in January in Oreana?
How much does it rain in Oreana in January?
What is the snowiest month in Oreana?
How many days does it snow in January in Oreana?
How many hours of daylight does Oreana have in January?
What time are sunrise and sunset in January in Oreana?
What is the month with the least sunshine in Oreana?
How long on average sun shines in January in Oreana?
What are the months with the lowest UV index in Oreana?
What is the UV index intensity in January in Oreana?
Average temperature in January
Oreana, IL
- Average high temperature in January: 0.5°C
The warmest month (with the highest average high temperature) is July (27.8°C).
The month with the lowest average high temperature is January (0.5°C).
- Average low temperature in January: -6°C
The month with the highest average low temperature is July (18.7°C).
The coldest month (with the lowest average low temperature) is January (-6°C).
Average pressure in January
Oreana, IL
- Average pressure in January: 1020.9mbar
The month with the highest atmospheric pressure is January (1020.9mbar).
The month with the lowest atmospheric pressure is June (1013.2mbar).
Average wind speed in January
Oreana, IL
- Average wind speed in January: 17.3km/h
The windiest month (with the highest average wind speed) is January (17.3km/h).
The calmest months (with the lowest average wind speed) are July and August (10.1km/h).
Average humidity in January
Oreana, IL
- Average humidity in January: 79%
The month with the highest relative humidity is July (84%).
The month with the lowest relative humidity is October (70%).
Average rainfall in January
Oreana, IL
- Average rainfall in January: 27mm
The wettest month (with the highest rainfall) is May (51mm).
The driest months (with the least rainfall) are February and December (22mm).
Average rainfall days in January
Oreana, IL
- Average rainfall days in January: 6.3 days
The month with the highest number of rainy days is May (17 days).
The month with the least rainy days is February (5.8 days).
Average snowfall in January
Oreana, IL
- Average snowfall in January: 47mm
The month with the highest snowfall is January (47mm).
The months with the least snowfall are May, June, July, August, September and October (0mm).
Average snowfall days in January
Oreana, IL
- Average snowfall days in January: 7.2 days
The month with the highest number of snowfall days is January (7.2 days).
The months with the least snowfall days are May, June, July, August, September and October (0 days).
Average daylight in January /
Average sunshine in January
Oreana, 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
Oreana, IL
- Average sunshine days in January: 19.5 days
The month with the most sunshine days is October (19.8 days).
The month with the least sunshine days is May (11.5 days).
Average UV index in January
Oreana, 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
Oreana, IL
- Average cloud cover in January: 56
The month with the most cloud cover is January (Cloud cover 56).
The month with the least cloud cover is September (Cloud cover 29).
Average visibility in January
Oreana, IL
- Average visibility in January: 9km
The month with the highest visibility is October (10km).
The months with the lowest visibility are July and August (8km).
Oreana, Illinois, USA
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