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, on average, is the coldest month, registering a high temperature of 27°F (-2.8°C) and a low of 15.3°F (-9.3°C).Humidity
The months with the highest humidity in Island Lake are January and February, with an average relative humidity of 84%.Rainfall
In January, in Island Lake, the rain falls for 5.3 days. Throughout January, 1.3" (33mm) of precipitation is accumulated. In Island Lake, Illinois, during the entire year, the rain falls for 151.2 days and collects up to 24.17" (614mm) of precipitation.Snowfall
January through May, October through December are months with snowfall. January is the month with the most snowfall in Island Lake, Illinois. Snow falls for 13.2 days and accumulates 3.82" (97mm) of snow.Daylight
In Island Lake, the average length of the day in January is 9h and 31min.On the first day of the month, sunrise is at 7:21 am and sunset at 4:30 pm. On the last day of January, sunrise is at 7:07 am and sunset at 5:05 pm CST.
Sunshine
With an average of 3.6h of sunshine, January has the least sunshine of the year in Island Lake.UV index
The months with the lowest UV index are January and December, with an average maximum UV index of 1. A UV Index reading of 2, and below, represents a minimal health vulnerability from unsafe exposure to UV radiation for the average person.Note: The UV index of 1 during January translates into the following guidance:
Unlike children, who always need sun protection, most individuals can remain in the sun for up to an hour without getting burnt. Being exposed to the midday Sun can have harmful effects due to strong UV radiation; always take precautions. For holistic sun protection encompassing the eyes, ears, face, and neck, a wide-brim hat is key. Mind you! Snow reflection can increase the intensity of the Sun's UV radiation nearly twofold.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the coldest time of year in Island Lake?
How cold is it in Island Lake in January?
What is the most humid month in Island Lake?
What is the average humidity in January in Island Lake?
How much does it rain in Island Lake in January?
When does it snow the most in Island Lake?
How much does it snow in Island Lake in January?
What is the average length of the day in January in Island Lake?
When are sunrise and sunset in January in Island Lake?
What is the month with the least sunshine in Island Lake?
How long on average sun shines in January in Island Lake?
What is the month with the lowest UV index in Island Lake?
What is the UV index intensity in January in Island Lake?
Average temperature in January
Island Lake, 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: 15.3°F
The month with the highest average low temperature is July (63.5°F).
The coldest month (with the lowest average low temperature) is January (15.3°F).
Average pressure in January
Island Lake, 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
Island Lake, IL
- Average wind speed in January: 10mph
The windiest month (with the highest average wind speed) is January (10mph).
The calmest month (with the lowest average wind speed) is August (6.2mph).
Average humidity in January
Island Lake, IL
- Average humidity in January: 84%
The months with the highest relative humidity are January and February (84%).
The month with the lowest relative humidity is October (75%).
Average rainfall in January
Island Lake, IL
- Average rainfall in January: 1.3"
The wettest month (with the highest rainfall) is June (3.15").
The driest month (with the least rainfall) is December (1.1").
Average rainfall days in January
Island Lake, IL
- Average rainfall days in January: 5.3 days
The month with the highest number of rainy days is July (18.8 days).
The months with the least rainy days are January and February (5.3 days).
Average snowfall in January
Island Lake, IL
- Average snowfall in January: 3.82"
The month with the highest snowfall is January (3.82").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in January
Island Lake, IL
- Average snowfall days in January: 13.2 days
The month with the highest number of snowfall days is January (13.2 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in January /
Average sunshine in January
Island Lake, 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 6min).
- Average sunshine in January: 3h and 4min
The month with the most sunshine is July (Average sunshine: 10h and 0min).
The month with the least sunshine is January (Average sunshine: 3h and 36min).
Average sunshine days in January
Island Lake, IL
- Average sunshine days in January: 13.7 days
The month with the most sunshine days is November (16.2 days).
The month with the least sunshine days is June (10 days).
Average UV index in January
Island Lake, IL
- Average UV index in January: 1
The month with the highest UV index is August (UV index 6).
The months with the lowest UV index are January and December (UV index 1).
Average cloud cover in January
Island Lake, IL
- Average cloud cover in January: 62
The month with the most cloud cover is January (Cloud cover 62).
The months with the least cloud cover are August and September (Cloud cover 31).
Average visibility in January
Island Lake, IL
- Average visibility in January: 5mi
The months with the highest visibility are March, April, May, June, July, August, September, October, November and December (6mi).
The months with the lowest visibility are January and February (5mi).
Island Lake, Illinois, USA
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