May weather forecastJoy, IL
May
Weather in May
May, the last month of the spring in Joy, is a pleasant month, with temperature in the range of an average low of 53.8°F (12.1°C) and an average high of 70.7°F (21.5°C).Temperature
In Joy, stepping into May brings a temperature increase, moving up from April's mild 59.5°F (15.3°C) to a pleasant 70.7°F (21.5°C). Throughout May, an average low-temperature of 53.8°F (12.1°C) is experienced in Joy.Humidity
In May, the average relative humidity in Joy, Illinois, is 78%.Rainfall
May is the month with the most rainfall in Joy, Illinois. Rain falls for 16.8 days and accumulates 2.76" (70mm) of precipitation.Snowfall
May through September are months without snowfall in Joy.Daylight
The average length of the day in May in Joy is 14h and 31min.On the first day of the month, sunrise is at 5:59 am and sunset at 8:01 pm. On the last day of May, sunrise is at 5:33 am and sunset at 8:29 pm CDT.
Sunshine
In Joy, Illinois, the average sunshine in May is 8.9h.UV index
The average daily maximum UV index in May in Joy, Illinois, is 5. A UV Index reading of 3 to 5 represents a medium vulnerability from unsafe exposure to UV radiation for ordinary individuals.Note: The daily high UV index of 5 in May translates into this advice:
Take precautions. Light skin individuals may get burned in less than 30 minutes. Protect yourself from the midday Sun's peak UV radiation by minimizing exposure. Loose clothes with a tight weave are optimal for safeguarding yourself against the Sun's rays.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in May
Joy, IL
- Average high temperature in May: 70.7°F
The warmest month (with the highest average high temperature) is July (81.5°F).
The month with the lowest average high temperature is January (28.8°F).
- Average low temperature in May: 53.8°F
The month with the highest average low temperature is July (64.9°F).
The coldest month (with the lowest average low temperature) is January (16.9°F).
Average pressure in May
Joy, IL
- Average pressure in May: 29.94"Hg
The month with the highest atmospheric pressure is January (30.14"Hg).
The month with the lowest atmospheric pressure is June (29.9"Hg).
Average wind speed in May
Joy, IL
- Average wind speed in May: 9mph
The windiest month (with the highest average wind speed) is April (10.6mph).
The calmest months (with the lowest average wind speed) are July and August (6.8mph).
Average humidity in May
Joy, IL
- Average humidity in May: 78%
The month with the highest relative humidity is July (84%).
The month with the lowest relative humidity is October (71%).
Average rainfall in May
Joy, IL
- Average rainfall in May: 2.76"
The wettest month (with the highest rainfall) is May (2.76").
The driest month (with the least rainfall) is December (0.67").
Average rainfall days in May
Joy, IL
- Average rainfall days in May: 16.8 days
The month with the highest number of rainy days is May (16.8 days).
The month with the least rainy days is January (4.1 days).
Average snowfall in May
Joy, IL
- Average snowfall in May: 0"
The month with the highest snowfall is January (2.4").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in May
Joy, IL
- Average snowfall days in May: 0 days
The month with the highest number of snowfall days is January (7.8 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
Joy, 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 18min).
- Average sunshine in May: 8h and 54min
The month with the most sunshine is July (Average sunshine: 10h and 18min).
The month with the least sunshine is January (Average sunshine: 4h and 12min).
Average sunshine days in May
Joy, IL
- Average sunshine days in May: 12.1 days
The month with the most sunshine days is January (20.3 days).
The month with the least sunshine days is May (12.1 days).
Average UV index in May
Joy, IL
- Average UV index in May: 5
The months with the highest UV index are June and July (UV index 6).
The month with the lowest UV index is January (UV index 1).
Average cloud cover in May
Joy, IL
- Average cloud cover in May: 41
The month with the most cloud cover is January (Cloud cover 56).
The months with the least cloud cover are August and September (Cloud cover 29).
Average visibility in May
Joy, 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).
