May weather forecastShady Grove, IL
May
Weather in May
The last month of the spring, May, is a moderately hot month in Shady Grove, Illinois, with temperature in the range of an average low of 59°F (15°C) and an average high of 76.6°F (24.8°C).Temperature
May's arrival signals a subtle increase in average high-temperatures, moving from April's enjoyable 67.8°F (19.9°C) to a moderately hot 76.6°F (24.8°C). During May nights, Shady Grove witnesses a consistent average temperature of 59°F (15°C).Humidity
The months with the highest humidity are March and May, with an average relative humidity of 79%.Rainfall
May is the month with the most rainfall in Shady Grove, Illinois. Rain falls for 14.7 days and accumulates 1.93" (49mm) of precipitation.Snowfall
In Shady Grove, snow does not fall in April through October.Daylight
In Shady Grove, the average length of the day in May is 14h and 10min.On the first day of the month, sunrise is at 5:58 am and sunset at 7:43 pm. On the last day of May, sunrise is at 5:35 am and sunset at 8:08 pm CDT.
Sunshine
In May, the average sunshine is 9.2h.UV index
The months with the highest UV index are May through August, with an average maximum UV index of 6. A UV Index reading of 6 to 7 represents a high health hazard from exposure to the Sun's UV radiation for average individuals.Note: A maximum high UV index of 6 in May translates into the following recommendations:
Implement preventive steps and embrace sun safety standards. Protection from skin and eye distress is compulsory. Try to minimize direct Sun exposure between 10 a.m. and 4 p.m., the peak period for UV radiation. Also note that objects like parasols or canopies might not provide complete sun protection. 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
Shady Grove, IL
- Average high temperature in May: 76.6°F
The warmest month (with the highest average high temperature) is July (88.7°F).
The month with the lowest average high temperature is January (41.5°F).
- Average low temperature in May: 59°F
The month with the highest average low temperature is July (69.4°F).
The coldest month (with the lowest average low temperature) is January (28.6°F).
Average pressure in May
Shady Grove, IL
- Average pressure in May: 29.98"Hg
The month with the highest atmospheric pressure is January (30.17"Hg).
The month with the lowest atmospheric pressure is June (29.95"Hg).
Average wind speed in May
Shady Grove, IL
- Average wind speed in May: 7.5mph
The windiest month (with the highest average wind speed) is April (9mph).
The calmest months (with the lowest average wind speed) are July and August (5.7mph).
Average humidity in May
Shady Grove, IL
- Average humidity in May: 79%
The months with the highest relative humidity are March and May (79%).
The month with the lowest relative humidity is October (70%).
Average rainfall in May
Shady Grove, IL
- Average rainfall in May: 1.93"
The wettest month (with the highest rainfall) is May (1.93").
The driest month (with the least rainfall) is September (0.63").
Average rainfall days in May
Shady Grove, IL
- Average rainfall days in May: 14.7 days
The month with the highest number of rainy days is May (14.7 days).
The month with the least rainy days is October (7.6 days).
Average snowfall in May
Shady Grove, IL
- Average snowfall in May: 0"
The month with the highest snowfall is February (0.71").
The months with the least snowfall are April, May, June, July, August, September and October (0").
Average snowfall days in May
Shady Grove, IL
- Average snowfall days in May: 0 days
The month with the highest number of snowfall days is February (3.3 days).
The months with the least snowfall days are May, June, July, August, September and October (0 days).
Average daylight in May /
Average sunshine in May
Shady Grove, IL
- Average daylight in May: 14h and 12min
The month with the longest days is June (Average daylight: 14h and 42min).
The month with the shortest days is December (Average daylight: 9h and 42min).
- Average sunshine in May: 9h and 12min
The months with the most sunshine are June and July (Average sunshine: 10h and 30min).
The month with the least sunshine is February (Average sunshine: 4h and 36min).
Average sunshine days in May
Shady Grove, IL
- Average sunshine days in May: 14.5 days
The month with the most sunshine days is October (22.3 days).
The month with the least sunshine days is July (14.2 days).
Average UV index in May
Shady Grove, 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 and December (UV index 2).
Average cloud cover in May
Shady Grove, IL
- Average cloud cover in May: 39
The month with the most cloud cover is February (Cloud cover 51).
The months with the least cloud cover are June and September (Cloud cover 28).
Average visibility in May
Shady Grove, 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).
