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
Holcomb's coldest weather arrives in January, when temperatures average a high of 27°F (-2.8°C) and a low of 14.7°F (-9.6°C).Humidity
January and July, with an average relative humidity of 85%, are the most humid months.Rainfall
In Holcomb, during January, the rain falls for 4.4 days and regularly aggregates up to 0.63" (16mm) of precipitation. Throughout the year, there are 124.5 rainfall days, and 14.49" (368mm) of precipitation is accumulated.Snowfall
Months with snowfall are January through April, October through December. The month with the most snowfall is January, when snow falls for 10.3 days and typically aggregates up to 2.2" (56mm) of snow.Daylight
In Holcomb, the average length of the day in January is 9h and 32min.On the first day of the month, sunrise is at 7:24 am and sunset at 4:35 pm. On the last day of January, sunrise is at 7:10 am and sunset at 5:09 pm CST.
Sunshine
With an average of 3.6h of sunshine, January has the least sunshine of the year.UV index
January and December, with an average maximum UV index of 1, are months with the lowest UV index. A UV Index value of 2, and less, symbolizes a minimal health vulnerability from exposure to the Sun's UV radiation for the average person.Note: A daily high UV index of 1 in January leads to these guidelines:
Babies, children, and those with sensitive skin should always avoid extended periods in the sun. Solar radiation is at its peak intensity during midday, so it's advisable to stay indoors or in the shade. For optimum UV protection, wear sun-resistant attire complemented with a hat and quality shades. Note well! The intensity of the Sun's UV rays can be nearly doubled by snow reflection.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What are the coldest months?
How cold is it in Holcomb in January?
What is the most humid month?
What is the average humidity in January?
How much does it rain in January?
When does it snow the most?
How much does it snow in Holcomb in January?
How many hours of daylight does Holcomb have in January?
When is the sunrise / sunset in January in Holcomb?
What is the month with the least sunshine?
How long on average sun shines in January?
When is the lowest UV index?
What is the UV index intensity in January?
Average temperature in January
Holcomb, IL
- Average high temperature in January: 27°F
The warmest month (with the highest average high temperature) is July (79.9°F).
The month with the lowest average high temperature is January (27°F).
- Average low temperature in January: 14.7°F
The month with the highest average low temperature is July (63.1°F).
The coldest month (with the lowest average low temperature) is January (14.7°F).
Average pressure in January
Holcomb, IL
- Average pressure in January: 30.12"Hg
The month with the highest atmospheric pressure is January (30.12"Hg).
The month with the lowest atmospheric pressure is June (29.91"Hg).
Average wind speed in January
Holcomb, IL
- Average wind speed in January: 10mph
The windiest month (with the highest average wind speed) is April (10.3mph).
The calmest month (with the lowest average wind speed) is August (6.3mph).
Average humidity in January
Holcomb, IL
- Average humidity in January: 85%
The months with the highest relative humidity are January and July (85%).
The month with the lowest relative humidity is October (74%).
Average rainfall in January
Holcomb, IL
- Average rainfall in January: 0.63"
The wettest month (with the highest rainfall) is June (2.13").
The driest month (with the least rainfall) is February (0.55").
Average rainfall days in January
Holcomb, IL
- Average rainfall days in January: 4.4 days
The month with the highest number of rainy days is June (16 days).
The month with the least rainy days is February (3.8 days).
Average snowfall in January
Holcomb, IL
- Average snowfall in January: 2.2"
The month with the highest snowfall is January (2.2").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in January
Holcomb, IL
- Average snowfall days in January: 10.3 days
The month with the highest number of snowfall days is January (10.3 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
Holcomb, IL
- Average daylight in January: 9h and 3min
The month with the longest days is June (Average daylight: 15h and 12min).
The month with the shortest days is December (Average daylight: 9h and 12min).
- Average sunshine in January: 3h and 4min
The month with the most sunshine is June (Average sunshine: 9h and 30min).
The month with the least sunshine is January (Average sunshine: 3h and 36min).
Average sunshine days in January
Holcomb, IL
- Average sunshine days in January: 17.4 days
The month with the most sunshine days is November (19.3 days).
The month with the least sunshine days is June (10.9 days).
Average UV index in January
Holcomb, IL
- Average UV index in January: 1
The months with the highest UV index are May, June, July and August (UV index 5).
The months with the lowest UV index are January and December (UV index 1).
Average cloud cover in January
Holcomb, IL
- Average cloud cover in January: 63
The month with the most cloud cover is January (Cloud cover 63).
The month with the least cloud cover is September (Cloud cover 34).
Average visibility in January
Holcomb, IL
- Average visibility in January: 5mi
The months with the highest visibility are February, March, April, May, June, September, October, November and December (6mi).
The months with the lowest visibility are January, July and August (5mi).
Holcomb, Illinois, USA
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