May weather forecastWillow Springs, IL
May
Weather in May
May, the last month of the spring in Willow Springs, is an enjoyable month, with an average temperature ranging between max 67.6°F (19.8°C) and min 52°F (11.1°C).Temperature
May's arrival coincides with a temperature rise, moving from April's moderate 55.9°F (13.3°C) to a comfortable 67.6°F (19.8°C). Willow Springs throughout May, records an average low-temperature of 52°F (11.1°C).Humidity
In May, the average relative humidity in Willow Springs is 75%.Rainfall
May is the month with the most rainfall in Willow Springs. Rain falls for 19.2 days and accumulates 4.61" (117mm) of precipitation.Snowfall
May through September are months without snowfall.Daylight
In May, the average length of the day in Willow Springs, Illinois, is 14h and 34min.On the first day of May, sunrise is at 5:46 am and sunset at 7:50 pm. On the last day of the month, sunrise is at 5:19 am and sunset at 8:19 pm CDT.
Sunshine
In Willow Springs, the average sunshine in May is 8.7h.UV index
In Willow Springs, the average daily maximum UV index in May is 5. A UV Index reading of 3 to 5 represents a medium health hazard from unprotected exposure to Sun's UV rays for the average person.Note: The average daily UV index of 5 in May transforms into the following instructions:
Be vigilant - Suggestions to stave off sun damage are provided. To guard against the harmful effects of the Sun, minimize exposure during midday. Outfit yourself in sun-safe attire, like long sleeves, pants, a hat, and UV-blocking sunglasses.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in May
Willow Springs, IL
- Average high temperature in May: 67.6°F
The warmest month (with the highest average high temperature) is July (81.9°F).
The month with the lowest average high temperature is January (28.9°F).
- Average low temperature in May: 52°F
The month with the highest average low temperature is July (66.6°F).
The coldest month (with the lowest average low temperature) is January (18.3°F).
Average pressure in May
Willow Springs, 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
Willow Springs, IL
- Average wind speed in May: 8.2mph
The windiest month (with the highest average wind speed) is January (10.2mph).
The calmest month (with the lowest average wind speed) is August (6.3mph).
Average humidity in May
Willow Springs, IL
- Average humidity in May: 75%
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 May
Willow Springs, IL
- Average rainfall in May: 4.61"
The wettest month (with the highest rainfall) is May (4.61").
The driest months (with the least rainfall) are November and December (1.77").
Average rainfall days in May
Willow Springs, IL
- Average rainfall days in May: 19.2 days
The month with the highest number of rainy days is June (19.4 days).
The month with the least rainy days is February (5.9 days).
Average snowfall in May
Willow Springs, IL
- Average snowfall in May: 0"
The month with the highest snowfall is February (5.28").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in May
Willow Springs, IL
- Average snowfall days in May: 0 days
The month with the highest number of snowfall days is January (13.3 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
Willow Springs, IL
- Average daylight in May: 14h 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 12min).
- Average sunshine in May: 8h and 42min
The month with the most sunshine is August (Average sunshine: 10h and 18min).
The month with the least sunshine is January (Average sunshine: 3h and 42min).
Average sunshine days in May
Willow Springs, IL
- Average sunshine days in May: 9.5 days
The month with the most sunshine days is November (16.1 days).
The month with the least sunshine days is June (8.2 days).
Average UV index in May
Willow Springs, IL
- Average UV index in May: 5
The months with the highest UV index are July and August (UV index 6).
The month with the lowest UV index is December (UV index 1).
Average cloud cover in May
Willow Springs, IL
- Average cloud cover in May: 42
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 May
Willow Springs, IL
- Average visibility in May: 6mi
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).
