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
Oakley sees an increase in the average high-temperature with the arrival of May, moving from April's refreshing 61.5°F (16.4°C) to an agreeable 72.9°F (22.7°C). Throughout May, Oakley records an average temperature of 56.7°F (13.7°C) at night.Humidity
In May, the average relative humidity in Oakley, Illinois, is 77%.Rainfall
In May, the rain falls for 17.5 days. Throughout May, 2.91" (74mm) of precipitation is accumulated. In Oakley, during the entire year, the rain falls for 147.7 days and collects up to 24.61" (625mm) of precipitation.Snowfall
In Oakley, Illinois, snow does not fall in May through October.Daylight
The average length of the day in May is 14h and 24min.On the first day of May in Oakley, sunrise is at 5:54 am and sunset at 7:50 pm. On the last day of the month, sunrise is at 5:28 am and sunset at 8:17 pm CDT.
Sunshine
In May, the average sunshine in Oakley is 9.2h.UV index
In May, the average daily maximum UV index is 5. A UV Index reading of 3 to 5 represents a moderate health risk from exposure to the Sun's UV radiation for the average person.Note: In May, the maximum UV index of 5 suggests this advice:
Take heed. Individuals of lighter complexion can be burned in less than half an hour. Considering the Sun's intensity during midday, it's wise to minimize direct exposure. Using UVA and UVB-protective sunglasses and sun-protective clothing is effective against UV radiation.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the temperature in May in Oakley?
What is the average humidity in May in Oakley?
How much does it rain in Oakley in May?
When it does not snow in Oakley?
Does it snow in Oakley in May?
What is the average length of the day in May in Oakley?
When is the sunrise / sunset in May in Oakley?
How many hours of sunshine does Oakley have in May?
What is the UV index reading in May in Oakley?
Average temperature in May
Oakley, IL
- Average high temperature in May: 72.9°F
The warmest month (with the highest average high temperature) is July (82°F).
The month with the lowest average high temperature is January (32.5°F).
- Average low temperature in May: 56.7°F
The month with the highest average low temperature is July (65.5°F).
The coldest month (with the lowest average low temperature) is January (20.8°F).
Average pressure in May
Oakley, IL
- Average pressure in May: 29.96"Hg
The month with the highest atmospheric pressure is January (30.15"Hg).
The month with the lowest atmospheric pressure is June (29.92"Hg).
Average wind speed in May
Oakley, IL
- Average wind speed in May: 8.9mph
The windiest month (with the highest average wind speed) is January (10.8mph).
The calmest months (with the lowest average wind speed) are July and August (6.3mph).
Average humidity in May
Oakley, IL
- Average humidity in May: 77%
The month with the highest relative humidity is July (84%).
The month with the lowest relative humidity is October (70%).
Average rainfall in May
Oakley, IL
- Average rainfall in May: 2.91"
The wettest month (with the highest rainfall) is April (2.95").
The driest month (with the least rainfall) is December (1.38").
Average rainfall days in May
Oakley, IL
- Average rainfall days in May: 17.5 days
The month with the highest number of rainy days is May (17.5 days).
The month with the least rainy days is January (7 days).
Average snowfall in May
Oakley, IL
- Average snowfall in May: 0"
The month with the highest snowfall is January (2.72").
The months with the least snowfall are May, June, July, August, September and October (0").
Average snowfall days in May
Oakley, IL
- Average snowfall days in May: 0 days
The month with the highest number of snowfall days is January (9.3 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
Oakley, IL
- Average daylight in May: 14h and 2min
The month with the longest days is June (Average daylight: 15h and 0min).
The month with the shortest days is December (Average daylight: 9h and 24min).
- Average sunshine in May: 9h and 1min
The month with the most sunshine is June (Average sunshine: 10h and 24min).
The month with the least sunshine is January (Average sunshine: 4h and 6min).
Average sunshine days in May
Oakley, IL
- Average sunshine days in May: 10.9 days
The month with the most sunshine days is November (18.6 days).
The month with the least sunshine days is July (10.3 days).
Average UV index in May
Oakley, IL
- Average UV index in May: 5
The months with the highest UV index are June, July and August (UV index 6).
The months with the lowest UV index are January, February, November and December (UV index 2).
Average cloud cover in May
Oakley, IL
- Average cloud cover in May: 39
The month with the most cloud cover is January (Cloud cover 56).
The months with the least cloud cover are June and September (Cloud cover 30).
Average visibility in May
Oakley, IL
- Average visibility in May: 6mi
The months with the highest visibility are January, February, March, April, May, June, September, October, November and December (6mi).
The months with the lowest visibility are July and August (5mi).
Oakley, Illinois, USA
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