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
January proves to be the coldest month, recording an average maximum temperature of 39.7°F (4.3°C) and a minimum temperature of 26.8°F (-2.9°C).Humidity
In January, the average relative humidity is 76%.Rainfall
In Ullin, during January, the rain falls for 8.4 days and regularly aggregates up to 1.57" (40mm) of precipitation. In Ullin, during the entire year, the rain falls for 143 days and collects up to 27.44" (697mm) of precipitation.Snowfall
Months with snowfall in Ullin are January through April, October through December. In Ullin, in January, snow falls for 4.6 days, with typically accumulated 1.22" (31mm) of snow. In Ullin, during the entire year, snow falls for 14.9 days and aggregates up to 6.06" (154mm) of snow.Daylight
In January, the average length of the day in Ullin is 9h and 56min.On the first day of January in Ullin, sunrise is at 7:10 am and sunset at 4:49 pm. On the last day of the month, sunrise is at 7:00 am and sunset at 5:19 pm CST.
Sunshine
January and February, with an average of 4.6h of sunshine, are months with the least sunshine in Ullin, Illinois.UV index
January, February and December, with an average maximum UV index of 2, are months with the lowest UV index in Ullin. A UV Index value of 2, and less, symbolizes a minimal health vulnerability from unsafe exposure to UV radiation for ordinary individuals.Note: In January, the maximum UV index of 2 transforms into these recommendations:
Extended time in the sun generally does not harm most, but those with sensitive skin, infants, and children should always be protected. Solar radiation is at its peak intensity during midday, so it's advisable to stay indoors or in the shade. Limit sun-induced ocular harm with sunglasses that feature UVA and UVB filtration. Heads up! The UV radiation from the Sun can almost be doubled by snow reflection.
Frequently asked questions
What is the coldest time of year in Ullin?
How cold is it in Ullin in January?
What is the average humidity in January in Ullin?
How much does it rain in Ullin in January?
How much does it snow in Ullin in January?
What is the average length of the day in January in Ullin?
What time are sunrise and sunset in January in Ullin?
What is the month with the least sunshine in Ullin?
How long on average sun shines in January in Ullin?
What are the months with the lowest UV index in Ullin?
How high is the UV index in January in Ullin?
Average temperature in January
Ullin, IL
- Average high temperature in January: 39.7°F
The warmest month (with the highest average high temperature) is July (88.3°F).
The month with the lowest average high temperature is January (39.7°F).
- Average low temperature in January: 26.8°F
The month with the highest average low temperature is July (69.1°F).
The coldest month (with the lowest average low temperature) is January (26.8°F).
Average pressure in January
Ullin, 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 (29.94"Hg).
Average wind speed in January
Ullin, IL
- Average wind speed in January: 9mph
The windiest month (with the highest average wind speed) is January (9mph).
The calmest month (with the lowest average wind speed) is August (5.6mph).
Average humidity in January
Ullin, IL
- Average humidity in January: 76%
The month with the highest relative humidity is May (79%).
The month with the lowest relative humidity is October (71%).
Average rainfall in January
Ullin, IL
- Average rainfall in January: 1.57"
The wettest month (with the highest rainfall) is April (3.31").
The driest month (with the least rainfall) is September (1.3").
Average rainfall days in January
Ullin, IL
- Average rainfall days in January: 8.4 days
The month with the highest number of rainy days is July (15.9 days).
The month with the least rainy days is January (8.4 days).
Average snowfall in January
Ullin, IL
- Average snowfall in January: 1.22"
The month with the highest snowfall is February (1.89").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in January
Ullin, IL
- Average snowfall days in January: 4.6 days
The month with the highest number of snowfall days is January (4.6 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
Ullin, IL
- Average daylight in January: 9h and 5min
The month with the longest days is June (Average daylight: 14h and 42min).
The month with the shortest days is December (Average daylight: 9h and 36min).
- Average sunshine in January: 4h and 4min
The month with the most sunshine is July (Average sunshine: 10h and 24min).
The months with the least sunshine are January and February (Average sunshine: 4h and 36min).
Average sunshine days in January
Ullin, IL
- Average sunshine days in January: 18.6 days
The month with the most sunshine days is October (21 days).
The month with the least sunshine days is July (12.8 days).
Average UV index in January
Ullin, 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
Ullin, IL
- Average cloud cover in January: 50
The month with the most cloud cover is February (Cloud cover 51).
The month with the least cloud cover is September (Cloud cover 28).
Average visibility in January
Ullin, 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).
Ullin, Illinois, USA
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