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
Temperature records mark January as the coldest month, with highs averaging 39.7°F (4.3°C) and lows at 26.8°F (-2.9°C).Humidity
In January, the average relative humidity is 76%.Rainfall
In January, the rain falls for 8.4 days. Throughout January, 1.57" (40mm) of precipitation is accumulated. Throughout the year, in Mill Creek, there are 143 rainfall days, and 27.44" (697mm) of precipitation is accumulated.Snowfall
January through April, October through December are months with snowfall in Mill Creek. In Mill Creek, Illinois, during January, snow falls for 4.6 days and regularly aggregates up to 1.22" (31mm) of snow. In Mill Creek, during the entire year, snow falls for 14.9 days and aggregates up to 6.06" (154mm) of snow.Daylight
The average length of the day in January in Mill Creek, Illinois, is 9h and 56min.On the first day of January, sunrise is at 7:11 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
The months with the least sunshine are January and February, with an average of 4.6h of sunshine.UV index
January, February and December, with an average maximum UV index of 2, are months with the lowest UV index in Mill Creek, Illinois. A UV Index estimate of 2, and below, represents a low health risk from exposure to the Sun's UV radiation for ordinary individuals.Note: The UV index of 2 during January leads to these advisories:
Many can withstand an hour in the sun without burning, yet children must always have protection against sunlight. Minimize direct exposure to the Sun during midday when its radiation is at its peak. Tightly woven clothing, when worn loosely, shields effectively against the Sun. Heads up! The UV radiation from the Sun can almost be doubled by snow reflection.
Frequently asked questions
What part of the year is the coldest in Mill Creek?
How cold is it in Mill Creek in January?
What is the average humidity in January in Mill Creek?
How many days does it rain in January in Mill Creek?
How many days does it snow in January in Mill Creek?
What is the average length of the day in January in Mill Creek?
What time are sunrise and sunset in January in Mill Creek?
What are the months with the least sunshine in Mill Creek?
How long on average sun shines in January in Mill Creek?
What are the months with the lowest UV index in Mill Creek?
What is the UV index intensity in January in Mill Creek?
Average temperature in January
Mill Creek, 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
Mill Creek, 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
Mill Creek, 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
Mill Creek, 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
Mill Creek, 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
Mill Creek, 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
Mill Creek, 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
Mill Creek, 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
Mill Creek, 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
Mill Creek, 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
Mill Creek, 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
Mill Creek, 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
Mill Creek, 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).
Mill Creek, Illinois, USA
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