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 Sidell, Illinois, the lowest average temperatures are observed in January, with a high of 33.8°F (1°C) and a low of 21.7°F (-5.7°C).Humidity
In Sidell, the average relative humidity in January is 80%.Rainfall
In Sidell, during January, the rain falls for 6.9 days and regularly aggregates up to 1.34" (34mm) of precipitation. Throughout the year, there are 133.4 rainfall days, and 19.49" (495mm) of precipitation is accumulated.Snowfall
Months with snowfall in Sidell, Illinois, are January through April, November and December. In Sidell, during January, snow falls for 6.9 days and regularly aggregates up to 1.18" (30mm) of snow. In Sidell, during the entire year, snow falls for 23.7 days and aggregates up to 5.2" (132mm) of snow.Daylight
In Sidell, the average length of the day in January is 9h and 43min.On the first day of the month, sunrise is at 7:12 am and sunset at 4:36 pm. On the last day of January, in Sidell, sunrise is at 7:00 am and sunset at 5:08 pm CST.
Sunshine
The month with the least sunshine is January, with an average of 4h of sunshine.UV index
January, February, November and December, with an average maximum UV index of 2, are months with the lowest UV index in Sidell. A UV Index value of 2, and less, symbolizes a minimal health hazard from exposure to the Sun's UV radiation for the average person.Note: A maximum daily UV index of 2 during January morphs into the following directions:
While extended sun exposure does not significantly affect most people, those with sensitive skin, children, and infants should always be protected. Avoiding direct sun during mid-day hours can prevent harmful UV radiation exposure. In the presence of strong sunlight, it's crucial to wear sunglasses that ward off UVA and UVB rays. Keep in mind! Snow's reflective quality can nearly double the intensity of the Sun's UV radiation.
Frequently asked questions
What time of the year is the coldest in Sidell?
How cold is January in Sidell?
What is the average humidity in January in Sidell?
How many days does it rain in January in Sidell?
How many days does it snow in January in Sidell?
What is the average length of the day in January in Sidell?
When is the sunrise / sunset in January in Sidell?
What is the month with the least sunshine in Sidell?
How long on average sun shines in January in Sidell?
When is the lowest UV index in Sidell?
What is the UV index reading in January in Sidell?
Average temperature in January
Sidell, IL
- Average high temperature in January: 33.8°F
The warmest month (with the highest average high temperature) is July (82.4°F).
The month with the lowest average high temperature is January (33.8°F).
- Average low temperature in January: 21.7°F
The month with the highest average low temperature is July (65.8°F).
The coldest month (with the lowest average low temperature) is January (21.7°F).
Average pressure in January
Sidell, 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 (29.93"Hg).
Average wind speed in January
Sidell, IL
- Average wind speed in January: 10.3mph
The windiest months (with the highest average wind speed) are January and February (10.3mph).
The calmest months (with the lowest average wind speed) are July and August (6.1mph).
Average humidity in January
Sidell, IL
- Average humidity in January: 80%
The month with the highest relative humidity is July (83%).
The month with the lowest relative humidity is October (71%).
Average rainfall in January
Sidell, IL
- Average rainfall in January: 1.34"
The wettest month (with the highest rainfall) is April (2.76").
The driest month (with the least rainfall) is February (0.94").
Average rainfall days in January
Sidell, IL
- Average rainfall days in January: 6.9 days
The month with the highest number of rainy days is May (16.8 days).
The month with the least rainy days is February (6.3 days).
Average snowfall in January
Sidell, IL
- Average snowfall in January: 1.18"
The month with the highest snowfall is December (1.61").
The months with the least snowfall are May, June, July, August, September and October (0").
Average snowfall days in January
Sidell, IL
- Average snowfall days in January: 6.9 days
The month with the highest number of snowfall days is January (6.9 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
Sidell, 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 0min
The month with the most sunshine is June (Average sunshine: 10h and 18min).
The month with the least sunshine is January (Average sunshine: 4h and 0min).
Average sunshine days in January
Sidell, IL
- Average sunshine days in January: 18.1 days
The month with the most sunshine days is November (20 days).
The month with the least sunshine days is May (11.3 days).
Average UV index in January
Sidell, IL
- Average UV index in January: 2
The months with the highest UV index are June and July (UV index 6).
The months with the lowest UV index are January, February, November and December (UV index 2).
Average cloud cover in January
Sidell, 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, August and September (Cloud cover 31).
Average visibility in January
Sidell, 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).
Sidell, Illinois, USA
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