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
In May, the meteorological conditions change with the average high-temperature moving from a cool 53.6°F (12°C) in April to a refreshing 65.3°F (18.5°C). In May, Grandwood Park records an average nighttime temperature of 49.6°F (9.8°C).Humidity
In Grandwood Park, the average relative humidity in May is 78%.Rainfall
In Grandwood Park, in May, during 17 rainfall days, 2.44" (62mm) of precipitation is typically accumulated. Throughout the year, in Grandwood Park, Illinois, there are 142.3 rainfall days, and 21.97" (558mm) of precipitation is accumulated.Snowfall
January through May, October through December are months with snowfall in Grandwood Park. May is the last month it regularly snows in Grandwood Park, Illinois. During 0.2 snowfall days, in May, Grandwood Park aggregates 0.04" (1mm) of snow. In Grandwood Park, during the entire year, snow falls for 49.5 days and aggregates up to 13.54" (344mm) of snow.Daylight
The average length of the day in May in Grandwood Park is 14h and 37min.On the first day of May, sunrise is at 5:45 am and sunset at 7:52 pm. On the last day of the month, sunrise is at 5:17 am and sunset at 8:21 pm CDT.
Sunshine
In May, the average sunshine in Grandwood Park is 8.5h.UV index
The average daily maximum UV index in May is 5. A UV Index value of 3 to 5 symbolizes a medium vulnerability from unsafe exposure to UV radiation for the average person.Note: The daily high UV index of 5 in May translates into this advice:
Put precautions into practice - Ensuring skin and eye safety is a necessity. To protect against the Sun's most potent rays, avoid direct exposure around midday. A wide-brim hat offers excellent sun protection for the eyes, ears, face, and neck. Sunglasses with UVA and UVB protection significantly reduce eye damage from sun exposure. Attention! Nearly twice the Sun's UV radiation can be reflected by snow.
Frequently asked questions
What is the temperature in May in Grandwood Park?
What is the average humidity in May in Grandwood Park?
How many days does it rain in May in Grandwood Park?
What is the last month it snows in Grandwood Park?
How many hours of daylight does Grandwood Park have in May?
When is the sunrise / sunset in May in Grandwood Park?
How many hours of sunshine does Grandwood Park have in May?
What is the UV index reading in May in Grandwood Park?
Average temperature in May
Grandwood Park, IL
- Average high temperature in May: 65.3°F
The warmest month (with the highest average high temperature) is July (79.9°F).
The month with the lowest average high temperature is January (27.5°F).
- Average low temperature in May: 49.6°F
The month with the highest average low temperature is July (64.4°F).
The coldest month (with the lowest average low temperature) is January (16.5°F).
Average pressure in May
Grandwood Park, IL
- Average pressure in May: 29.96"Hg
The months with the highest atmospheric pressure are January and February (30.1"Hg).
The month with the lowest atmospheric pressure is June (29.92"Hg).
Average wind speed in May
Grandwood Park, 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 (6.4mph).
Average humidity in May
Grandwood Park, IL
- Average humidity in May: 78%
The months with the highest relative humidity are January and February (83%).
The month with the lowest relative humidity is October (74%).
Average rainfall in May
Grandwood Park, IL
- Average rainfall in May: 2.44"
The wettest month (with the highest rainfall) is April (2.72").
The driest month (with the least rainfall) is December (0.98").
Average rainfall days in May
Grandwood Park, IL
- Average rainfall days in May: 17 days
The month with the highest number of rainy days is July (17.5 days).
The month with the least rainy days is February (5 days).
Average snowfall in May
Grandwood Park, IL
- Average snowfall in May: 0.04"
The month with the highest snowfall is January (3.58").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in May
Grandwood Park, IL
- Average snowfall days in May: 0.2 days
The month with the highest number of snowfall days is January (13.7 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in May /
Average sunshine in May
Grandwood Park, 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 6min).
- Average sunshine in May: 8h and 3min
The month with the most sunshine is August (Average sunshine: 10h and 12min).
The month with the least sunshine is January (Average sunshine: 3h and 42min).
Average sunshine days in May
Grandwood Park, IL
- Average sunshine days in May: 10.8 days
The month with the most sunshine days is November (17.1 days).
The month with the least sunshine days is May (10.8 days).
Average UV index in May
Grandwood Park, IL
- Average UV index in May: 5
The months with the highest UV index are July and August (UV index 6).
The months with the lowest UV index are January and December (UV index 1).
Average cloud cover in May
Grandwood Park, IL
- Average cloud cover in May: 43
The month with the most cloud cover is January (Cloud cover 61).
The months with the least cloud cover are July, August and September (Cloud cover 30).
Average visibility in May
Grandwood Park, IL
- Average visibility in May: 6mi
The months with the highest visibility are February, March, April, May, June, July, August, September, October, November and December (6mi).
The month with the lowest visibility is January (5mi).
Grandwood Park, Illinois, USA
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