Contents
- Weather in May
- Frequently asked questions
- Average temperature in May
- Average pressure in May
- Average wind speed in May
- Average humidity in May
- Average rainfall in May
- Average rainfall days in May
- Average snowfall in May
- Average snowfall days in May
- Average daylight in May
- Average sunshine in May
- Average sunshine days in May
- Average UV index in May
- Average cloud cover in May
- Average visibility in May
Weather in May
Temperature
May's arrival signals an increase in average high-temperatures, moving from April's refreshing 58.8°F (14.9°C) to an agreeable 70.7°F (21.5°C). Coal City encounters a steady low-temperature average of 54°F (12.2°C) throughout the month of May.Humidity
The average relative humidity in May is 76%.Rainfall
The month with the most rainfall in Coal City is May, when the rain falls for 19.2 days and typically aggregates up to 4.57" (116mm) of precipitation.Snowfall
May through September are months without snowfall.Daylight
In May, the average length of the day in Coal City is 14h and 31min.On the first day of the month, sunrise is at 5:49 am and sunset at 7:50 pm. On the last day of May, in Coal City, sunrise is at 5:22 am and sunset at 8:19 pm CDT.
Sunshine
The average sunshine in May in Coal City is 8.8h.UV index
The average daily maximum UV index in May in Coal City is 5. A UV Index of 3 to 5 symbolizes a moderate threat to health from unsafe exposure to UV radiation for average individuals.Note: The daily high UV index of 5 during May translates into the following recommendations:
Be vigilant - A duty to shield skin and eyes from injury exists. Midday Sun has the strongest UV rays, making it crucial to limit exposure and find shade. Outfit yourself in sun-safe attire, like long sleeves, pants, a hat, and UV-blocking sunglasses.
Frequently asked questions
What are May temperatures in Coal City?
What is the average humidity in May in Coal City?
What is the wettest month in Coal City?
How much does it rain in Coal City in May?
When it does not snow in Coal City?
Does it snow in Coal City in May?
What is the average length of the day in May in Coal City?
When are sunrise and sunset in May in Coal City?
How long on average sun shines in May in Coal City?
How high is the UV index in May in Coal City?
Average temperature in May
Coal City, IL
- Average high temperature in May: 70.7°F
The warmest month (with the highest average high temperature) is July (81.1°F).
The month with the lowest average high temperature is January (29.7°F).
- Average low temperature in May: 54°F
The month with the highest average low temperature is July (64.6°F).
The coldest month (with the lowest average low temperature) is January (17.8°F).
Average pressure in May
Coal City, IL
- Average pressure in May: 29.96"Hg
The month with the highest atmospheric pressure is January (30.12"Hg).
The month with the lowest atmospheric pressure is June (29.92"Hg).
Average wind speed in May
Coal City, IL
- Average wind speed in May: 8.5mph
The windiest months (with the highest average wind speed) are January and April (9.9mph).
The calmest month (with the lowest average wind speed) is August (6mph).
Average humidity in May
Coal City, IL
- Average humidity in May: 76%
The month with the highest relative humidity is July (84%).
The month with the lowest relative humidity is October (72%).
Average rainfall in May
Coal City, IL
- Average rainfall in May: 4.57"
The wettest month (with the highest rainfall) is May (4.57").
The driest months (with the least rainfall) are February and November (1.69").
Average rainfall days in May
Coal City, IL
- Average rainfall days in May: 19.2 days
The month with the highest number of rainy days is May (19.2 days).
The month with the least rainy days is January (5.8 days).
Average snowfall in May
Coal City, IL
- Average snowfall in May: 0"
The month with the highest snowfall is February (4.29").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in May
Coal City, IL
- Average snowfall days in May: 0 days
The month with the highest number of snowfall days is January (10.6 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
Coal City, IL
- Average daylight in May: 14h and 3min
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 5min
The months with the most sunshine are June, July and August (Average sunshine: 9h and 48min).
The month with the least sunshine is January (Average sunshine: 3h and 54min).
Average sunshine days in May
Coal City, IL
- Average sunshine days in May: 9.4 days
The month with the most sunshine days is November (17.2 days).
The month with the least sunshine days is July (8.6 days).
Average UV index in May
Coal City, 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 December (UV index 1).
Average cloud cover in May
Coal City, IL
- Average cloud cover in May: 42
The month with the most cloud cover is January (Cloud cover 60).
The months with the least cloud cover are August and September (Cloud cover 33).
Average visibility in May
Coal City, IL
- Average visibility in May: 6mi
The months with the highest visibility are January, March, April, May, June, September, October, November and December (6mi).
The months with the lowest visibility are February, July and August (5mi).
Coal City, Illinois, USA
Weather forecast for your location
2. Allow the app to use your location
