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
Des Plaines's May weather shows an increase in high-temperatures, moving from April's fresh 53.2°F (11.8°C) to a refreshing 64.6°F (18.1°C). The low-temperature in Des Plaines, Illinois, averages to a cool 50.7°F (10.4°C) during the nights of May.Humidity
In May, the average relative humidity is 77%.Rainfall
The month with the most rainfall in Des Plaines is May, when the rain falls for 18.5 days and typically aggregates up to 4.21" (107mm) of precipitation.Snowfall
Months with snowfall are January through May, October through December. May is the last month it regularly snows. During 0.1 snowfall days, in May, Des Plaines aggregates 0.08" (2mm) of snow. In Des Plaines, Illinois, during the entire year, snow falls for 41.4 days and aggregates up to 17.52" (445mm) of snow.Daylight
The average length of the day in May is 14h and 35min.On the first day of May, sunrise is at 5:46 am and sunset at 7:50 pm. On the last day of the month, sunrise is at 5:18 am and sunset at 8:20 pm CDT.
Sunshine
The average sunshine in May in Des Plaines is 8.5h.UV index
In Des Plaines, the average daily maximum UV index in May is 5. A UV Index estimate of 3 to 5 represents a moderate health risk from exposure to the Sun's UV rays for ordinary individuals.Note: In May, a regular UV index of 5 translates into these guidelines:
Undertake protective steps - Recommendations to avoid sunburn are issued. When the Sun is at its strongest around midday, find shade and limit exposure. By wearing a generously brimmed hat, you can cut UV radiation exposure significantly. Take into account! The reflection from snow can nearly double the Sun's UV radiation intensity.
Frequently asked questions
What are the temperatures in Des Plaines in May?
What is the average humidity in May in Des Plaines?
What is the wettest month in Des Plaines?
How much does it rain in Des Plaines in May?
What is the last month it snows in Des Plaines?
How many hours of daylight does Des Plaines have in May?
When is the sunrise / sunset in May in Des Plaines?
How long on average sun shines in May in Des Plaines?
What is the UV index reading in May in Des Plaines?
Average temperature in May
Des Plaines, IL
- Average high temperature in May: 64.6°F
The warmest month (with the highest average high temperature) is July (80.6°F).
The month with the lowest average high temperature is January (28.8°F).
- Average low temperature in May: 50.7°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 (18.1°F).
Average pressure in May
Des Plaines, 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
Des Plaines, IL
- Average wind speed in May: 8.6mph
The windiest month (with the highest average wind speed) is January (10.8mph).
The calmest month (with the lowest average wind speed) is August (6.8mph).
Average humidity in May
Des Plaines, 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
Des Plaines, IL
- Average rainfall in May: 4.21"
The wettest month (with the highest rainfall) is May (4.21").
The driest month (with the least rainfall) is December (1.5").
Average rainfall days in May
Des Plaines, IL
- Average rainfall days in May: 18.5 days
The month with the highest number of rainy days is May (18.5 days).
The month with the least rainy days is February (5.3 days).
Average snowfall in May
Des Plaines, IL
- Average snowfall in May: 0.08"
The month with the highest snowfall is February (4.84").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in May
Des Plaines, IL
- Average snowfall days in May: 0.1 days
The month with the highest number of snowfall days is January (10.6 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in May /
Average sunshine in May
Des Plaines, 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 3min
The months with the most sunshine are July and August (Average sunshine: 10h and 18min).
The month with the least sunshine is January (Average sunshine: 3h and 42min).
Average sunshine days in May
Des Plaines, IL
- Average sunshine days in May: 10.5 days
The months with the most sunshine days are November and December (16.9 days).
The month with the least sunshine days is April (10.4 days).
Average UV index in May
Des Plaines, 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
Des Plaines, IL
- Average cloud cover in May: 43
The month with the most cloud cover is January (Cloud cover 62).
The months with the least cloud cover are July and August (Cloud cover 29).
Average visibility in May
Des Plaines, 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).
Des Plaines, Illinois, USA
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