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
With the onset of May, Wheeling's average high-temperature sees a rise, moving from April's cool 54.1°F (12.3°C) to a comfortable 65.8°F (18.8°C). Wheeling records an average nighttime low-temperature of 50.5°F (10.3°C) throughout May.Humidity
In Wheeling, the average relative humidity in May is 77%.Rainfall
May is the month with the most rainfall in Wheeling. Rain falls for 17.6 days and accumulates 3.66" (93mm) of precipitation.Snowfall
Months with snowfall in Wheeling are January through May, October through December. May is the last month it regularly snows. During 0.1 snowfall days, in May, Wheeling aggregates 0.08" (2mm) of snow. In Wheeling, during the entire year, snow falls for 45.4 days and aggregates up to 16.85" (428mm) of snow.Daylight
In Wheeling, the average length of the day in May is 14h and 36min.On the first day of the month, sunrise is at 5:46 am and sunset at 7:51 pm. On the last day of May, sunrise is at 5:18 am and sunset at 8:20 pm CDT.
Sunshine
In Wheeling, the average sunshine in May is 8.6h.UV index
The average daily maximum UV index in May in Wheeling 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: The average daily UV index of 5 in May transforms into the following instructions:
Ensure safety - Sun damage prevention is strongly urged. The mid-day Sun emits the most powerful UV radiation, so seek shade and minimize exposure. On sunny days, it's ideal to wear sunglasses that filter out UVA and UVB rays. Mind you! Snow reflection can increase the intensity of the Sun's UV radiation nearly twofold.
Frequently asked questions
What is the average May temperature in Wheeling?
What is the average humidity in May in Wheeling?
What is the wettest month in Wheeling?
How much does it rain in Wheeling in May?
What is the last month it snows in Wheeling?
How many hours of daylight does Wheeling have in May?
When are sunrise and sunset in May in Wheeling?
How many hours of sunshine does Wheeling have in May?
What is the UV index reading in May in Wheeling?
Average temperature in May
Wheeling, IL
- Average high temperature in May: 65.8°F
The warmest month (with the highest average high temperature) is July (81°F).
The month with the lowest average high temperature is January (28°F).
- Average low temperature in May: 50.5°F
The month with the highest average low temperature is July (65.8°F).
The coldest month (with the lowest average low temperature) is January (17.6°F).
Average pressure in May
Wheeling, 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
Wheeling, IL
- Average wind speed in May: 8.4mph
The windiest month (with the highest average wind speed) is January (10.4mph).
The calmest month (with the lowest average wind speed) is August (6.5mph).
Average humidity in May
Wheeling, IL
- Average humidity in May: 77%
The month with the highest relative humidity is January (83%).
The month with the lowest relative humidity is October (73%).
Average rainfall in May
Wheeling, IL
- Average rainfall in May: 3.66"
The wettest month (with the highest rainfall) is May (3.66").
The driest month (with the least rainfall) is December (1.34").
Average rainfall days in May
Wheeling, IL
- Average rainfall days in May: 17.6 days
The month with the highest number of rainy days is May (17.6 days).
The month with the least rainy days is February (5.9 days).
Average snowfall in May
Wheeling, IL
- Average snowfall in May: 0.08"
The month with the highest snowfall is January (4.8").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in May
Wheeling, IL
- Average snowfall days in May: 0.1 days
The month with the highest number of snowfall days is January (12.5 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in May /
Average sunshine in May
Wheeling, IL
- Average daylight in May: 14h and 4min
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 4min
The month with the most sunshine is August (Average sunshine: 10h and 18min).
The month with the least sunshine is January (Average sunshine: 3h and 42min).
Average sunshine days in May
Wheeling, IL
- Average sunshine days in May: 11.4 days
The month with the most sunshine days is November (15.7 days).
The month with the least sunshine days is April (10.3 days).
Average UV index in May
Wheeling, 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
Wheeling, IL
- Average cloud cover in May: 42
The month with the most cloud cover is January (Cloud cover 61).
The month with the least cloud cover is August (Cloud cover 29).
Average visibility in May
Wheeling, 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).
Wheeling, Illinois, USA
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