May weather forecastMadison, IL
May
Weather in May
May, the last month of the spring in Madison, is a warm month, with an average temperature fluctuating between 74.7°F (23.7°C) and 57.7°F (14.3°C).Temperature
In Madison, stepping into May brings a temperature increase, moving up from April's refreshing 65.1°F (18.4°C) to a moderately hot 74.7°F (23.7°C). Madison registers a consistent average low-temperature of 57.7°F (14.3°C) during May.Humidity
The most humid month is May, with an average relative humidity of 78%.Rainfall
The month with the most rainfall is May, when the rain falls for 17.8 days and typically aggregates up to 4.21" (107mm) of precipitation.Snowfall
In Madison, snow does not fall in April through October.Daylight
In Madison, the average length of the day in May is 14h and 18min.On the first day of May, sunrise is at 6:02 am and sunset at 7:53 pm. On the last day of the month, sunrise is at 5:37 am and sunset at 8:19 pm CDT.
Sunshine
In Madison, the average sunshine in May is 9.5h.UV index
The months with the highest UV index in Madison, Illinois, are May through August, with an average maximum UV index of 6. A UV Index value of 6 to 7 symbolizes a high health risk from exposure to the Sun's UV radiation for ordinary individuals.Note: The daily high UV index of 6 in May translates into this advice:
Ward off overexposure. Defence against solar harm is crucial. The Sun's UV radiation is most powerful between 10 a.m. and 4 p.m. To the extent possible, limit exposure to the direct sun during these hours. Using UVA and UVB-protective sunglasses and sun-protective clothing is effective against UV radiation.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in May
Madison, IL
- Average high temperature in May: 74.7°F
The warmest month (with the highest average high temperature) is July (86.2°F).
The month with the lowest average high temperature is January (37.2°F).
- Average low temperature in May: 57.7°F
The month with the highest average low temperature is July (68.5°F).
The coldest month (with the lowest average low temperature) is January (24.3°F).
Average pressure in May
Madison, IL
- Average pressure in May: 29.96"Hg
The month with the highest atmospheric pressure is January (30.16"Hg).
The month with the lowest atmospheric pressure is June (29.92"Hg).
Average wind speed in May
Madison, IL
- Average wind speed in May: 7.3mph
The windiest month (with the highest average wind speed) is January (9.4mph).
The calmest month (with the lowest average wind speed) is July (5.5mph).
Average humidity in May
Madison, IL
- Average humidity in May: 78%
The month with the highest relative humidity is May (78%).
The month with the lowest relative humidity is October (71%).
Average rainfall in May
Madison, IL
- Average rainfall in May: 4.21"
The wettest month (with the highest rainfall) is May (4.21").
The driest month (with the least rainfall) is February (1.93").
Average rainfall days in May
Madison, IL
- Average rainfall days in May: 17.8 days
The months with the highest number of rainy days are May and July (17.8 days).
The month with the least rainy days is January (8.4 days).
Average snowfall in May
Madison, IL
- Average snowfall in May: 0"
The month with the highest snowfall is February (2.4").
The months with the least snowfall are April, May, June, July, August, September and October (0").
Average snowfall days in May
Madison, IL
- Average snowfall days in May: 0 days
The month with the highest number of snowfall days is January (6.3 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
Madison, IL
- Average daylight in May: 14h and 18min
The month with the longest days is June (Average daylight: 14h and 48min).
The month with the shortest days is December (Average daylight: 9h and 30min).
- Average sunshine in May: 9h and 30min
The month with the most sunshine is June (Average sunshine: 10h and 30min).
The month with the least sunshine is January (Average sunshine: 4h and 36min).
Average sunshine days in May
Madison, IL
- Average sunshine days in May: 10.7 days
The month with the most sunshine days is December (18 days).
The month with the least sunshine days is June (10.1 days).
Average UV index in May
Madison, IL
- Average UV index in May: 6
The months with the highest UV index are May, June, July and August (UV index 6).
The months with the lowest UV index are January, February, November and December (UV index 2).
Average cloud cover in May
Madison, IL
- Average cloud cover in May: 37
The month with the most cloud cover is January (Cloud cover 50).
The months with the least cloud cover are June and August (Cloud cover 28).
Average visibility in May
Madison, IL
- Average visibility in May: 6mi
The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
