May weather forecastCalumet City, IL
May
Weather in May
The last month of the spring, May, is a refreshing month in Calumet City, Illinois, with an average temperature varying between 65.7°F (18.7°C) and 51.8°F (11°C).Temperature
Calumet City in May shows a temperature shift, moving from an average high of a fresh 54.9°F (12.7°C) in April to an enjoyable 65.7°F (18.7°C). Calumet City's average low-temperature during May nights is observed to be a cool 51.8°F (11°C).Humidity
In Calumet City, the average relative humidity in May is 77%.Rainfall
The months with the most rainfall are May and June, with an average 1.38" (35mm) of precipitation.Snowfall
In Calumet City, snow does not fall in May through September.Daylight
The average length of the day in May is 14h and 33min.On the first day of May, sunrise is at 5:45 am and sunset at 7:48 pm. On the last day of the month, sunrise is at 5:18 am and sunset at 8:17 pm CDT.
Sunshine
In May, the average sunshine is 8.7h.UV index
In Calumet City, the average daily maximum UV index in May is 5. A UV Index of 3 to 5 symbolizes a moderate threat to health from exposure to the Sun's UV radiation for average individuals.Note: In May, an average UV index of 5 transforms into the following instructions:
Be careful. Light complexion individuals might get burns in fewer than 30 minutes. It's crucial to reduce time in the direct Sun around mid-day due to the intense solar radiation. Prioritize a wide-brim hat for comprehensive sun defense for your face, neck, eyes, and ears.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in May
Calumet City, IL
- Average high temperature in May: 65.7°F
The warmest month (with the highest average high temperature) is July (80.1°F).
The month with the lowest average high temperature is January (29.8°F).
- Average low temperature in May: 51.8°F
The month with the highest average low temperature is July (66.9°F).
The coldest month (with the lowest average low temperature) is January (19.6°F).
Average pressure in May
Calumet City, IL
- Average pressure in May: 29.97"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
Calumet City, IL
- Average wind speed in May: 8.6mph
The windiest month (with the highest average wind speed) is January (11mph).
The calmest months (with the lowest average wind speed) are July and August (6.8mph).
Average humidity in May
Calumet City, IL
- Average humidity in May: 77%
The months with the highest relative humidity are January and February (82%).
The month with the lowest relative humidity is October (72%).
Average rainfall in May
Calumet City, IL
- Average rainfall in May: 1.38"
The wettest months (with the highest rainfall) are May and June (1.38").
The driest months (with the least rainfall) are February and December (0.47").
Average rainfall days in May
Calumet City, IL
- Average rainfall days in May: 13.1 days
The month with the highest number of rainy days is July (14 days).
The month with the least rainy days is February (4.1 days).
Average snowfall in May
Calumet City, IL
- Average snowfall in May: 0"
The month with the highest snowfall is January (1.1").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in May
Calumet City, IL
- Average snowfall days in May: 0 days
The month with the highest number of snowfall days is January (9.3 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
Calumet City, 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 12min).
- Average sunshine in May: 8h and 42min
The month with the most sunshine is August (Average sunshine: 10h and 24min).
The month with the least sunshine is January (Average sunshine: 3h and 36min).
Average sunshine days in May
Calumet City, IL
- Average sunshine days in May: 14.3 days
The month with the most sunshine days is December (19.8 days).
The month with the least sunshine days is June (13.1 days).
Average UV index in May
Calumet City, IL
- Average UV index in May: 5
The months with the highest UV index are June, July and August (UV index 6).
The month with the lowest UV index is December (UV index 1).
Average cloud cover in May
Calumet City, IL
- Average cloud cover in May: 42
The month with the most cloud cover is January (Cloud cover 62).
The month with the least cloud cover is August (Cloud cover 28).
Average visibility in May
Calumet City, 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).
