May weather forecastPalos Heights, IL
May
Weather in May
May, the last month of the spring in Palos Heights, is a comfortable month, with an average temperature ranging between max 66.4°F (19.1°C) and min 51.8°F (11°C).Temperature
May's arrival signals a temperature shift, moving from a fresh 55.2°F (12.9°C) in April to an enjoyable 66.4°F (19.1°C). Throughout the nights in May, Palos Heights experiences an average low-temperature of 51.8°F (11°C).Humidity
In May, the average relative humidity in Palos Heights is 76%.Rainfall
The month with the most rainfall in Palos Heights is May, when the rain falls for 17.7 days and typically aggregates up to 3.07" (78mm) of precipitation.Snowfall
May through September are months without snowfall.Daylight
In May, the average length of the day in Palos Heights is 14h and 33min.On the first day of the month, sunrise is at 5:46 am and sunset at 7:49 pm. On the last day of May, in Palos Heights, sunrise is at 5:19 am and sunset at 8:18 pm CDT.
Sunshine
In May, the average sunshine in Palos Heights is 8.9h.UV index
The average daily maximum UV index in May is 5. A UV Index value of 3 to 5 symbolizes a moderate health risk from exposure to the Sun's UV rays for the average person.Note: A maximum daily UV index of 5 during May morphs into the following directions:
Prioritize safety - Recommendations to avert sunburn are shared. To prevent harmful UV exposure, minimize direct contact with the Sun around midday. A wide-brimmed hat is a staple for defending the face, eyes, ears, and neck from the Sun.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in May
Palos Heights, IL
- Average high temperature in May: 66.4°F
The warmest month (with the highest average high temperature) is July (81°F).
The month with the lowest average high temperature is January (29.5°F).
- Average low temperature in May: 51.8°F
The month with the highest average low temperature is July (66.6°F).
The coldest month (with the lowest average low temperature) is January (18.9°F).
Average pressure in May
Palos Heights, 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
Palos Heights, IL
- Average wind speed in May: 8.4mph
The windiest month (with the highest average wind speed) is January (10.6mph).
The calmest month (with the lowest average wind speed) is August (6.5mph).
Average humidity in May
Palos Heights, IL
- Average humidity in May: 76%
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
Palos Heights, IL
- Average rainfall in May: 3.07"
The wettest month (with the highest rainfall) is May (3.07").
The driest month (with the least rainfall) is December (1.02").
Average rainfall days in May
Palos Heights, IL
- Average rainfall days in May: 17.7 days
The month with the highest number of rainy days is July (18 days).
The month with the least rainy days is February (4.9 days).
Average snowfall in May
Palos Heights, IL
- Average snowfall in May: 0"
The month with the highest snowfall is February (3.07").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in May
Palos Heights, IL
- Average snowfall days in May: 0 days
The month with the highest number of snowfall days is January (11.8 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
Palos Heights, IL
- Average daylight in May: 14h and 36min
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 54min
The month with the most sunshine is August (Average sunshine: 10h and 30min).
The month with the least sunshine is January (Average sunshine: 3h and 42min).
Average sunshine days in May
Palos Heights, IL
- Average sunshine days in May: 10.8 days
The month with the most sunshine days is November (17.5 days).
The month with the least sunshine days is July (9.8 days).
Average UV index in May
Palos Heights, 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
Palos Heights, IL
- Average cloud cover in May: 41
The month with the most cloud cover is January (Cloud cover 60).
The month with the least cloud cover is August (Cloud cover 28).
Average visibility in May
Palos Heights, 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).
