May weather forecastSugar Grove, IL
May
Weather in May
May, the last month of the spring in Sugar Grove, is a pleasant month, with an average temperature varying between 69.1°F (20.6°C) and 51.8°F (11°C).Temperature
A shift in the average high-temperature is noticeable in May, changing from a mild 57°F (13.9°C) in April to a pleasant 69.1°F (20.6°C). The average low-temperature of 51.8°F (11°C) is witnessed during May.Humidity
In Sugar Grove, the average relative humidity in May is 78%.Rainfall
The month with the most rainfall in Sugar Grove, Illinois, is May, when the rain falls for 18 days and typically aggregates up to 4.33" (110mm) of precipitation.Snowfall
January through May, October through December are months with snowfall in Sugar Grove. May is the last month it regularly snows. During 0.2 snowfall days, in May, Sugar Grove aggregates 0.04" (1mm) of snow. Throughout the year, there are 44.6 snowfall days, and 15.2" (386mm) of snow is accumulated.Daylight
The average length of the day in May in Sugar Grove is 14h and 34min.On the first day of May, sunrise is at 5:49 am and sunset at 7:52 pm. On the last day of the month, sunrise is at 5:21 am and sunset at 8:21 pm CDT.
Sunshine
The average sunshine in May is 8.5h.UV index
The average daily maximum UV index in May in Sugar Grove is 5. A UV Index reading of 3 to 5 represents a moderate threat to health from exposure to the Sun's UV radiation for the average person.Note: In May, the maximum UV index of 5 suggests this advice:
Exercise caution. Those with pale skin may experience burns in less than half an hour. Sun exposure should be minimized, especially during midday, to avoid harmful UV radiation. Clothes that are both tight-knit and comfortably loose are prime choices for sun protection. Be advised! The UV radiation from the Sun can be almost doubled due to the reflective properties of snow.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in May
Sugar Grove, IL
- Average high temperature in May: 69.1°F
The warmest month (with the highest average high temperature) is July (80.6°F).
The month with the lowest average high temperature is January (27.9°F).
- Average low temperature in May: 51.8°F
The month with the highest average low temperature is July (63.3°F).
The coldest month (with the lowest average low temperature) is January (15.8°F).
Average pressure in May
Sugar Grove, 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
Sugar Grove, IL
- Average wind speed in May: 8.3mph
The windiest months (with the highest average wind speed) are January, February and April (9.8mph).
The calmest month (with the lowest average wind speed) is August (6mph).
Average humidity in May
Sugar Grove, IL
- Average humidity in May: 78%
The months with the highest relative humidity are January, July and August (84%).
The month with the lowest relative humidity is October (74%).
Average rainfall in May
Sugar Grove, IL
- Average rainfall in May: 4.33"
The wettest month (with the highest rainfall) is May (4.33").
The driest month (with the least rainfall) is December (1.57").
Average rainfall days in May
Sugar Grove, IL
- Average rainfall days in May: 18 days
The month with the highest number of rainy days is July (18.2 days).
The month with the least rainy days is February (6 days).
Average snowfall in May
Sugar Grove, IL
- Average snowfall in May: 0.04"
The month with the highest snowfall is January (4.65").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in May
Sugar Grove, IL
- Average snowfall days in May: 0.2 days
The month with the highest number of snowfall days is January (13.1 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in May /
Average sunshine in May
Sugar Grove, 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 30min
The month with the most sunshine is August (Average sunshine: 9h and 36min).
The month with the least sunshine is January (Average sunshine: 3h and 42min).
Average sunshine days in May
Sugar Grove, IL
- Average sunshine days in May: 11.5 days
The month with the most sunshine days is November (16.4 days).
The month with the least sunshine days is April (10.3 days).
Average UV index in May
Sugar Grove, IL
- Average UV index in May: 5
The months with the highest UV index are June, July and August (UV index 6).
The months with the lowest UV index are January and December (UV index 1).
Average cloud cover in May
Sugar Grove, IL
- Average cloud cover in May: 43
The month with the most cloud cover is January (Cloud cover 61).
The months with the least cloud cover are August and September (Cloud cover 34).
Average visibility in May
Sugar Grove, IL
- Average visibility in May: 6mi
The months with the highest visibility are March, April, May, June, October, November and December (6mi).
The months with the lowest visibility are January, February, July, August and September (5mi).
