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
During the coldest month, January, temperatures average a high 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, in January, it is raining for 7.3 days, with typically 1.54" (39mm) of accumulated precipitation. In Arthur, during the entire year, the rain falls for 144.2 days and collects up to 22.4" (569mm) of precipitation.Snowfall
Months with snowfall in Arthur are January through April, November and December. In January, it is snowing for 8.2 days. Throughout January, 1.73" (44mm) of snow is accumulated. 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 in Arthur is 9h and 44min.On the first day of January in Arthur, sunrise is at 7:14 am and sunset at 4:39 pm. On the last day of the month, sunrise is at 7:02 am and sunset at 5:11 pm CST.
Sunshine
The month with the least sunshine is January, with an average of 4.1h 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 Arthur, Illinois. A UV Index value of 2, and less, symbolizes a low health risk from unsafe exposure to UV radiation for the average person.Note: In January, a regular UV index of 2 translates into these guidelines:
Most individuals face no major issues with lengthy exposure to the sun, but children, infants, and individuals with fair skin always require protection. Avoiding direct sun during mid-day hours can prevent harmful UV radiation exposure. During bright days, sunglasses that offer UVA and UVB defense are recommended. Be prepared! The intensity of the Sun's UV radiation can be amplified nearly double due to snow reflection.
Frequently asked questions
What is the coldest month in Arthur?
How cold is it in Arthur in January?
What is the average humidity in January in Arthur?
How much does it rain in Arthur in January?
How many days does it snow in January in Arthur?
What is the average length of the day in January in Arthur?
When are sunrise and sunset in January in Arthur?
What is the month with the least sunshine in Arthur?
How many hours of sunshine does Arthur have in January?
When is the lowest UV index in Arthur?
How high is the UV index in January in Arthur?
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 4min
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 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
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).
Arthur, Illinois, USA
Weather forecast for your location
2. Allow the app to use your location
