May weather forecastAtlanta, IL
May
Weather in May
The last month of the spring, May, is an agreeable month in Atlanta, Illinois, with temperature in the range of an average low of 55.8°F (13.2°C) and an average high of 72.1°F (22.3°C).Temperature
The commencement of May sees a shift in the average high-temperature, moving from an enjoyable 61.3°F (16.3°C) in April to an agreeable 72.1°F (22.3°C). Atlanta's nighttime temperature in May drops to an average of 55.8°F (13.2°C).Humidity
The average relative humidity in May is 77%.Rainfall
May is the month with the most rainfall. Rain falls for 16.5 days and accumulates 2.2" (56mm) of precipitation.Snowfall
May through October are months without snowfall.Daylight
In May, the average length of the day is 14h and 26min.On the first day of May, sunrise is at 5:55 am and sunset at 7:52 pm. On the last day of the month, sunrise is at 5:29 am and sunset at 8:20 pm CDT.
Sunshine
The average sunshine in May is 9.3h.UV index
In Atlanta, the average daily maximum UV index in May is 5. A UV Index reading of 3 to 5 represents a medium vulnerability from exposure to the Sun's UV radiation for the average person.Note: An average maximum UV index of 5 in May leads to these recommendations:
Undertake precautions - Obligation exists to protect against skin and eye damage. The most potent solar radiation is around mid-day, so one should minimize exposure to direct sunlight during this period. Boost your sun resistance with garments that are densely woven yet spacious.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in May
Atlanta, IL
- Average high temperature in May: 72.1°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 (31.6°F).
- Average low temperature in May: 55.8°F
The month with the highest average low temperature is July (65.1°F).
The coldest month (with the lowest average low temperature) is January (19.8°F).
Average pressure in May
Atlanta, IL
- Average pressure in May: 29.95"Hg
The month with the highest atmospheric pressure is January (30.14"Hg).
The month with the lowest atmospheric pressure is June (29.92"Hg).
Average wind speed in May
Atlanta, IL
- Average wind speed in May: 8.9mph
The windiest month (with the highest average wind speed) is April (10.6mph).
The calmest month (with the lowest average wind speed) is August (6.3mph).
Average humidity in May
Atlanta, IL
- Average humidity in May: 77%
The month with the highest relative humidity is July (85%).
The month with the lowest relative humidity is October (70%).
Average rainfall in May
Atlanta, IL
- Average rainfall in May: 2.2"
The wettest month (with the highest rainfall) is May (2.2").
The driest month (with the least rainfall) is December (0.87").
Average rainfall days in May
Atlanta, IL
- Average rainfall days in May: 16.5 days
The month with the highest number of rainy days is May (16.5 days).
The month with the least rainy days is February (5.9 days).
Average snowfall in May
Atlanta, IL
- Average snowfall in May: 0"
The month with the highest snowfall is January (2.2").
The months with the least snowfall are May, June, July, August, September and October (0").
Average snowfall days in May
Atlanta, IL
- Average snowfall days in May: 0 days
The month with the highest number of snowfall days is January (9.5 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
Atlanta, IL
- Average daylight in May: 14h and 24min
The month with the longest days is June (Average daylight: 15h and 0min).
The month with the shortest days is December (Average daylight: 9h and 24min).
- Average sunshine in May: 9h and 18min
The month with the most sunshine is June (Average sunshine: 10h and 18min).
The month with the least sunshine is January (Average sunshine: 4h and 0min).
Average sunshine days in May
Atlanta, IL
- Average sunshine days in May: 11.6 days
The months with the most sunshine days are November and December (20 days).
The month with the least sunshine days is May (11.6 days).
Average UV index in May
Atlanta, 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, February, November and December (UV index 2).
Average cloud cover in May
Atlanta, IL
- Average cloud cover in May: 39
The month with the most cloud cover is January (Cloud cover 57).
The month with the least cloud cover is September (Cloud cover 30).
Average visibility in May
Atlanta, IL
- Average visibility in May: 6mi
The months with the highest visibility are January, February, March, April, May, June, September, October, November and December (6mi).
The months with the lowest visibility are July and August (5mi).
