May weather forecastHomer Glen, IL
May
Weather in May
The last month of the spring, May, is a pleasant month in Homer Glen, Illinois, with an average temperature ranging between min 52.7°F (11.5°C) and max 69.8°F (21°C).Temperature
May's arrival is marked by an increase in the average high-temperature, moving from a mild 57.6°F (14.2°C) in April to a pleasant 69.8°F (21°C). During May, Homer Glen consistently records a temperature low averaging a cool 52.7°F (11.5°C).Humidity
In Homer Glen, the average relative humidity in May is 76%.Rainfall
May is the month with the most rainfall. Rain falls for 11.6 days and accumulates 1.38" (35mm) of precipitation.Snowfall
In Homer Glen, snow does not fall in May through October.Daylight
The average length of the day in May is 14h and 33min.On the first day of the month, sunrise is at 5:47 am and sunset at 7:50 pm. On the last day of May, sunrise is at 5:19 am and sunset at 8:19 pm CDT.
Sunshine
The average sunshine in May is 8.7h.UV index
In May, the average daily maximum UV index is 5. A UV Index value of 3 to 5 symbolizes a medium health hazard from exposure to the Sun's UV radiation for the average person.Note: In May, a daily maximum UV index of 5 leads to the following instructions:
Exercise caution. Those with pale skin may experience burns in less than half an hour. The intensity of the Sun's UV radiation during midday suggests reducing time spent outdoors. A wide-brimmed hat is a shield, deflecting up to 50% of harmful UV radiation from eyes.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in May
Homer Glen, IL
- Average high temperature in May: 69.8°F
The warmest month (with the highest average high temperature) is July (82°F).
The month with the lowest average high temperature is January (29.1°F).
- Average low temperature in May: 52.7°F
The month with the highest average low temperature is July (65.3°F).
The coldest month (with the lowest average low temperature) is January (17.6°F).
Average pressure in May
Homer Glen, IL
- Average pressure in May: 29.96"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 May
Homer Glen, IL
- Average wind speed in May: 8.1mph
The windiest month (with the highest average wind speed) is January (9.7mph).
The calmest month (with the lowest average wind speed) is August (6mph).
Average humidity in May
Homer Glen, IL
- Average humidity in May: 76%
The months with the highest relative humidity are January and February (83%).
The month with the lowest relative humidity is October (73%).
Average rainfall in May
Homer Glen, IL
- Average rainfall in May: 1.38"
The wettest month (with the highest rainfall) is May (1.38").
The driest month (with the least rainfall) is February (0.47").
Average rainfall days in May
Homer Glen, IL
- Average rainfall days in May: 11.6 days
The month with the highest number of rainy days is July (12.8 days).
The month with the least rainy days is February (3.7 days).
Average snowfall in May
Homer Glen, IL
- Average snowfall in May: 0"
The month with the highest snowfall is January (1.14").
The months with the least snowfall are May, June, July, August, September and October (0").
Average snowfall days in May
Homer Glen, IL
- Average snowfall days in May: 0 days
The month with the highest number of snowfall days is January (9 days).
The months with the least snowfall days are May, June, July, August and September (0 days).
Average daylight in May /
Average sunshine in May
Homer Glen, IL
- Average daylight in May: 14h and 30min
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 May: 8h and 42min
The month with the most sunshine is August (Average sunshine: 9h and 54min).
The month with the least sunshine is January (Average sunshine: 3h and 42min).
Average sunshine days in May
Homer Glen, IL
- Average sunshine days in May: 16.1 days
The month with the most sunshine days is December (22.3 days).
The month with the least sunshine days is July (13.8 days).
Average UV index in May
Homer Glen, IL
- Average UV index in May: 5
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 May
Homer Glen, IL
- Average cloud cover in May: 43
The month with the most cloud cover is January (Cloud cover 61).
The month with the least cloud cover is August (Cloud cover 32).
Average visibility in May
Homer Glen, IL
- Average visibility in May: 6mi
The months with the highest visibility are January, February, March, April, May, June, August, September, October, November and December (6mi).
The month with the lowest visibility is July (5mi).





