February weather forecastJoliet, IL
February
Weather in February
The transition to February doesn't denote a significant departure from the winter chill, but a slight increase in temperature is noticeable. February weather reveals average high temperature of 33.4°F (0.8°C), slightly higher than January’s 29.3°F (-1.5°C), yet its 3.7" (94mm) of snowfall is generally lesser. Longer periods of daylight start to unfold and the relatively lower cloud percentage likewise permits more sunlight. Nonetheless, the windy weather prevails and visibility conditions can still be challenging due to moderate fog and mist.Temperature
Joliet's average high-temperature in February is a cold 33.4°F (0.8°C), indicating a subtle variation from January. In Joliet, the expected average low-temperature for February is a freezing cold 20.7°F (-6.3°C).Humidity
The most humid month is February, with an average relative humidity of 83%.Rainfall
February is the month with the least rainfall. Rain falls for 5.7 days and accumulates 1.61" (41mm) of precipitation.Snowfall
Months with snowfall are January through April, November and December. In Joliet, in February, snow falls for 9.5 days, with typically accumulated 3.7" (94mm) of snow. In Joliet, during the entire year, snow falls for 38.2 days and aggregates up to 14.61" (371mm) of snow.Daylight
The average length of the day in February is 10h and 38min.On the first day of February, sunrise is at 7:04 am and sunset at 5:07 pm. On the last day of the month, sunrise is at 6:27 am and sunset at 5:42 pm CST.
Sunshine
In Joliet, the average sunshine in February is 3.9h.UV index
The average daily maximum UV index in February is 2. A UV Index value of 2, and less, symbolizes a minimal health hazard from exposure to the Sun's UV radiation for average individuals.Note: In February, the maximum UV index of 2 transforms into these recommendations:
Sun exposure does not present considerable issues for many, yet infants, fair-skinned people, and children necessitate constant protection. The midday Sun can be dangerous due to its intense radiation; always find shade and reduce exposure. Opt for tightly woven and loose clothing to enhance protection from the Sun. Take heed! Reflection from the snow can almost amplify the Sun's UV radiation by double.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in February
Joliet, IL
- Average high temperature in February: 33.4°F
The warmest month (with the highest average high temperature) is July (81.3°F).
The month with the lowest average high temperature is January (29.3°F).
- Average low temperature in February: 20.7°F
The month with the highest average low temperature is July (64.8°F).
The coldest month (with the lowest average low temperature) is January (17.4°F).
Average pressure in February
Joliet, IL
- Average pressure in February: 30.1"Hg
The month with the highest atmospheric pressure is January (30.12"Hg).
The month with the lowest atmospheric pressure is June (29.92"Hg).
Average wind speed in February
Joliet, IL
- Average wind speed in February: 9.4mph
The windiest month (with the highest average wind speed) is April (9.7mph).
The calmest month (with the lowest average wind speed) is August (5.9mph).
Average humidity in February
Joliet, IL
- Average humidity in February: 83%
The month with the highest relative humidity is February (83%).
The month with the lowest relative humidity is October (73%).
Average rainfall in February
Joliet, IL
- Average rainfall in February: 1.61"
The wettest month (with the highest rainfall) is May (4.41").
The driest month (with the least rainfall) is February (1.61").
Average rainfall days in February
Joliet, IL
- Average rainfall days in February: 5.7 days
The month with the highest number of rainy days is July (17.9 days).
The month with the least rainy days is February (5.7 days).
Average snowfall in February
Joliet, IL
- Average snowfall in February: 3.7"
The month with the highest snowfall is January (4.33").
The months with the least snowfall are May, June, July, August, September and October (0").
Average snowfall days in February
Joliet, IL
- Average snowfall days in February: 9.5 days
The month with the highest number of snowfall days is January (11.9 days).
The months with the least snowfall days are May, June, July, August and September (0 days).
Average daylight in February /
Average sunshine in February
Joliet, IL
- Average daylight in February: 10h and 36min
The month with the longest days is June (Average daylight: 15h and 6min).
The month with the shortest days is December (Average daylight: 9h and 12min).
- Average sunshine in February: 3h and 54min
The month with the most sunshine is August (Average sunshine: 9h and 42min).
The month with the least sunshine is January (Average sunshine: 3h and 42min).
Average sunshine days in February
Joliet, IL
- Average sunshine days in February: 13.8 days
The month with the most sunshine days is November (18.1 days).
The month with the least sunshine days is June (10.4 days).
Average UV index in February
Joliet, IL
- Average UV index in February: 2
The months with the highest UV index are June and July (UV index 6).
The months with the lowest UV index are January and December (UV index 1).
Average cloud cover in February
Joliet, IL
- Average cloud cover in February: 59
The month with the most cloud cover is January (Cloud cover 60).
The months with the least cloud cover are August and September (Cloud cover 34).
Average visibility in February
Joliet, IL
- Average visibility in February: 5mi
The months with the highest visibility are March, April, May, June, September, October, November and December (6mi).
The months with the lowest visibility are January, February, July and August (5mi).
