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 is the month when Mount Prospect sees the lowest average temperatures, with a high of 28.2°F (-2.1°C) and a low of 18°F (-7.8°C).Humidity
January and February, with an average relative humidity of 82%, are the most humid months.Rainfall
In Mount Prospect, Illinois, in January, it is raining for 7 days, with typically 1.65" (42mm) of accumulated precipitation. In Mount Prospect, during the entire year, the rain falls for 153.3 days and collects up to 30.12" (765mm) of precipitation.Snowfall
Months with snowfall in Mount Prospect are January through May, October through December. January is the month with the most snowfall in Mount Prospect. Snow falls for 11.8 days and accumulates 4.96" (126mm) of snow.Daylight
The average length of the day in January in Mount Prospect is 9h and 32min.On the first day of the month, sunrise is at 7:19 am and sunset at 4:30 pm. On the last day of January, in Mount Prospect, sunrise is at 7:05 am and sunset at 5:04 pm CST.
Sunshine
January has the least sunshine of the year in Mount Prospect, with an average of 3.7h of sunshine.UV index
In Mount Prospect, the average daily maximum UV index in January is 2. A UV Index estimate of 2, and below, represents a low threat to health from unsafe exposure to UV radiation for the ordinary person.Note: During January, 2 as the daily maximum UV index converts into the following advice:
Prolonged sun exposure should always be prevented in babies, children, and those with sensitive skin. The Sun's most intense and consequently most harmful UV radiation during midday hours should be decreased by minimizing exposure and seeking shade. Opt for tightly woven and loose clothing to enhance protection from the Sun. Remember this! The UV radiation of the Sun can be nearly doubled by the reflective properties of snow.
Frequently asked questions
What is the coldest month in Mount Prospect?
How cold is January in Mount Prospect?
What are the most humid months in Mount Prospect?
What is the average humidity in January in Mount Prospect?
How many days does it rain in January in Mount Prospect?
When does it snow the most in Mount Prospect?
How many days does it snow in January in Mount Prospect?
How many hours of daylight does Mount Prospect have in January?
What time are sunrise and sunset in January in Mount Prospect?
What is the month with the least sunshine in Mount Prospect?
How many hours of sunshine does Mount Prospect have in January?
What is the UV index intensity in January in Mount Prospect?
Average temperature in January
Mount Prospect, IL
- Average high temperature in January: 28.2°F
The warmest month (with the highest average high temperature) is July (81.1°F).
The month with the lowest average high temperature is January (28.2°F).
- Average low temperature in January: 18°F
The month with the highest average low temperature is July (66.4°F).
The coldest month (with the lowest average low temperature) is January (18°F).
Average pressure in January
Mount Prospect, IL
- Average pressure in January: 30.11"Hg
The month with the highest atmospheric pressure is January (30.11"Hg).
The month with the lowest atmospheric pressure is June (29.92"Hg).
Average wind speed in January
Mount Prospect, IL
- Average wind speed in January: 10.4mph
The windiest month (with the highest average wind speed) is January (10.4mph).
The calmest month (with the lowest average wind speed) is August (6.5mph).
Average humidity in January
Mount Prospect, IL
- Average humidity in January: 82%
The months with the highest relative humidity are January and February (82%).
The month with the lowest relative humidity is October (72%).
Average rainfall in January
Mount Prospect, IL
- Average rainfall in January: 1.65"
The wettest month (with the highest rainfall) is May (3.9").
The driest month (with the least rainfall) is December (1.46").
Average rainfall days in January
Mount Prospect, IL
- Average rainfall days in January: 7 days
The month with the highest number of rainy days is May (18 days).
The month with the least rainy days is February (5.6 days).
Average snowfall in January
Mount Prospect, IL
- Average snowfall in January: 4.96"
The month with the highest snowfall is January (4.96").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in January
Mount Prospect, IL
- Average snowfall days in January: 11.8 days
The month with the highest number of snowfall days is January (11.8 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in January /
Average sunshine in January
Mount Prospect, 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 July (Average sunshine: 10h and 12min).
The month with the least sunshine is January (Average sunshine: 3h and 42min).
Average sunshine days in January
Mount Prospect, IL
- Average sunshine days in January: 13.6 days
The month with the most sunshine days is November (16.3 days).
The month with the least sunshine days is June (10.7 days).
Average UV index in January
Mount Prospect, IL
- Average UV index in January: 2
The months with the highest UV index are June, July and August (UV index 6).
The month with the lowest UV index is December (UV index 1).
Average cloud cover in January
Mount Prospect, IL
- Average cloud cover in January: 61
The month with the most cloud cover is January (Cloud cover 61).
The month with the least cloud cover is August (Cloud cover 29).
Average visibility in January
Mount Prospect, 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).
Mount Prospect, Illinois, USA
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