February weather forecastRound Lake Heights, IL
February
Weather in February
The last month of the winter, February, is another freezing cold month in Round Lake Heights, Illinois, with an average temperature varying between 18.7°F (-7.4°C) and 30.6°F (-0.8°C).Temperature
The advent of February reveals an average high-temperature of a still subzero cold 30.6°F (-0.8°C), showing minimal difference from the prior month. Throughout February nights, Round Lake Heights experiences a consistent temperature average of 18.7°F (-7.4°C).Humidity
The months with the highest humidity are January and February, with an average relative humidity of 83%.Rainfall
In Round Lake Heights, in February, during 5 rainfall days, 1.22" (31mm) of precipitation is typically accumulated. Throughout the year, in Round Lake Heights, there are 142.3 rainfall days, and 21.97" (558mm) of precipitation is accumulated.Snowfall
January through May, October through December are months with snowfall in Round Lake Heights, Illinois. In February, it is snowing for 10.7 days. Throughout February, 3.54" (90mm) of snow is accumulated. Throughout the year, in Round Lake Heights, there are 49.5 snowfall days, and 13.54" (344mm) of snow is accumulated.Daylight
In Round Lake Heights, the average length of the day in February is 10h and 35min.On the first day of the month, sunrise is at 7:06 am and sunset at 5:05 pm. On the last day of February, in Round Lake Heights, sunrise is at 6:27 am and sunset at 5:41 pm CST.
Sunshine
In Round Lake Heights, the average sunshine in February is 3.8h.UV index
In February, the average daily maximum UV index in Round Lake Heights, Illinois, is 2. A UV Index of 2, and less, symbolizes a low threat to health from unsafe exposure to UV radiation for the average person.Note: A daily maximum UV index of 2 in February translates into the following instructions:
Although prolonged sun exposure does not typically bother most people, children, babies, and those with sensitive skin should always have protection. Solar radiation is at its peak intensity during midday, so it's advisable to stay indoors or in the shade. On sunny days, it's ideal to wear sunglasses that filter out UVA and UVB rays. Beware! The strength of the UV rays is increased nearly double-fold by the reflection of the snow.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in February
Round Lake Heights, IL
- Average high temperature in February: 30.6°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 (27.5°F).
- Average low temperature in February: 18.7°F
The month with the highest average low temperature is July (64.4°F).
The coldest month (with the lowest average low temperature) is January (16.5°F).
Average pressure in February
Round Lake Heights, IL
- Average pressure in February: 30.1"Hg
The months with the highest atmospheric pressure are January and February (30.1"Hg).
The month with the lowest atmospheric pressure is June (29.92"Hg).
Average wind speed in February
Round Lake Heights, IL
- Average wind speed in February: 10.3mph
The windiest month (with the highest average wind speed) is January (10.4mph).
The calmest month (with the lowest average wind speed) is August (6.4mph).
Average humidity in February
Round Lake Heights, IL
- Average humidity in February: 83%
The months with the highest relative humidity are January and February (83%).
The month with the lowest relative humidity is October (74%).
Average rainfall in February
Round Lake Heights, IL
- Average rainfall in February: 1.22"
The wettest month (with the highest rainfall) is April (2.72").
The driest month (with the least rainfall) is December (0.98").
Average rainfall days in February
Round Lake Heights, IL
- Average rainfall days in February: 5 days
The month with the highest number of rainy days is July (17.5 days).
The month with the least rainy days is February (5 days).
Average snowfall in February
Round Lake Heights, IL
- Average snowfall in February: 3.54"
The month with the highest snowfall is January (3.58").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in February
Round Lake Heights, IL
- Average snowfall days in February: 10.7 days
The month with the highest number of snowfall days is January (13.7 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in February /
Average sunshine in February
Round Lake Heights, IL
- Average daylight in February: 10h and 36min
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 February: 3h and 48min
The month with the most sunshine is August (Average sunshine: 10h and 12min).
The month with the least sunshine is January (Average sunshine: 3h and 42min).
Average sunshine days in February
Round Lake Heights, IL
- Average sunshine days in February: 12.3 days
The month with the most sunshine days is November (17.1 days).
The month with the least sunshine days is May (10.8 days).
Average UV index in February
Round Lake Heights, IL
- Average UV index in February: 2
The months with the highest UV index are July and August (UV index 6).
The months with the lowest UV index are January and December (UV index 1).
Average cloud cover in February
Round Lake Heights, IL
- Average cloud cover in February: 59
The month with the most cloud cover is January (Cloud cover 61).
The months with the least cloud cover are July, August and September (Cloud cover 30).
Average visibility in February
Round Lake Heights, IL
- Average visibility in February: 6mi
The months with the highest visibility are February, March, April, May, June, July, August, September, October, November and December (6mi).
The month with the lowest visibility is January (5mi).





