January weather forecastArthur, IL
January
Weather in January
January, like December, in Arthur, Illinois, is a wintry winter month, with an average temperature ranging between min 21.6°F (-5.8°C) and max 33.4°F (0.8°C).Temperature
The coldest temperatures occur during January, when averages reach a peak of 33.4°F (0.8°C) and a low of 21.6°F (-5.8°C).Humidity
In Arthur, the average relative humidity in January is 79%.Rainfall
In Arthur, during January, the rain falls for 7.3 days and regularly aggregates up to 1.54" (39mm) of precipitation. Throughout the year, there are 144.2 rainfall days, and 22.4" (569mm) of precipitation is accumulated.Snowfall
Months with snowfall are January through April, November and December. In Arthur, during January, snow falls for 8.2 days and regularly aggregates up to 1.73" (44mm) of snow. Throughout the year, in Arthur, there are 25.8 snowfall days, and 6.38" (162mm) of snow is accumulated.Daylight
The average length of the day in January is 9h and 44min.On the first day of the month, sunrise is at 7:14 am and sunset at 4:39 pm. On the last day of January, sunrise is at 7:02 am and sunset at 5:11 pm CST.
Sunshine
With an average of 4.1h of sunshine, January has the least sunshine of the year.UV index
January, February, November and December, with an average maximum UV index of 2, are months with the lowest UV index. A UV Index value of 2, and less, symbolizes a low threat to health from exposure to the Sun's UV rays for ordinary individuals.Note: In January, an average UV index of 2 transforms into the following instructions:
While most individuals can withstand prolonged sun exposure, it is imperative that babies, children, and those with sensitive skin always be shielded. Limiting exposure to the direct Sun during midday hours can help prevent harmful UV radiation effects. Sunglasses that guard against UVA and UVB rays are pivotal in minimizing sun-induced ocular damage. 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
Average temperature in January
Arthur, IL
- Average high temperature in January: 33.4°F
The warmest month (with the highest average high temperature) is July (82°F).
The month with the lowest average high temperature is January (33.4°F).
- Average low temperature in January: 21.6°F
The month with the highest average low temperature is July (65.7°F).
The coldest month (with the lowest average low temperature) is January (21.6°F).
Average pressure in January
Arthur, 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
Arthur, 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
Arthur, 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
Arthur, IL
- Average rainfall in January: 1.54"
The wettest month (with the highest rainfall) is April (2.72").
The driest months (with the least rainfall) are February and September (1.26").
Average rainfall days in January
Arthur, IL
- Average rainfall days in January: 7.3 days
The months with the highest number of rainy days are May and July (16.8 days).
The month with the least rainy days is January (7.3 days).
Average snowfall in January
Arthur, IL
- Average snowfall in January: 1.73"
The month with the highest snowfall is February (1.89").
The months with the least snowfall are May, June, July, August, September and October (0").
Average snowfall days in January
Arthur, IL
- Average snowfall days in January: 8.2 days
The month with the highest number of snowfall days is January (8.2 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
Arthur, IL
- Average daylight in January: 9h and 42min
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 24min).
- Average sunshine in January: 4h and 6min
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
Arthur, IL
- Average sunshine days in January: 17.3 days
The month with the most sunshine days is October (19 days).
The month with the least sunshine days is July (10.8 days).
Average UV index in January
Arthur, 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
Arthur, 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 June (Cloud cover 30).
Average visibility in January
Arthur, 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).
