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, Oregon sees a temperature rise, with the average high-temperature moving from April's refreshing 56.7°F (13.7°C) to an agreeable 68.7°F (20.4°C). Throughout the month of May, Oregon reports a steady low-temperature average of 52°F (11.1°C).Humidity
In Oregon, Illinois, the average relative humidity in May is 78%.Rainfall
In Oregon, in May, it is raining for 17.7 days, with typically 2.76" (70mm) of accumulated precipitation. Throughout the year, there are 141.2 rainfall days, and 20.31" (516mm) of precipitation is accumulated.Snowfall
May through September are months without snowfall in Oregon.Daylight
In Oregon, the average length of the day in May is 14h and 35min.On the first day of May, sunrise is at 5:52 am and sunset at 7:56 pm. On the last day of the month, sunrise is at 5:24 am and sunset at 8:26 pm CDT.
Sunshine
In May, the average sunshine in Oregon is 8.3h.UV index
May through August, with an average maximum UV index of 5, are months with the highest UV index. A UV Index of 3 to 5 symbolizes a moderate health risk from exposure to the Sun's UV rays for ordinary individuals.Note: In May, a daily UV index of 5 turns into the following recommendations:
Undertake protective steps - Preventing sun damage is advised. The Sun's most harmful UV rays are emitted around midday; avoid staying outdoors for long during this time. Using UVA and UVB-protective sunglasses and sun-protective clothing is effective against UV radiation.
Frequently asked questions
What is the usual temperature for Oregon in May?
What is the average humidity in May in Oregon?
How many days does it rain in May in Oregon?
When it does not snow in Oregon?
Does it snow in Oregon in May?
What is the average length of the day in May in Oregon?
When are sunrise and sunset in May in Oregon?
How many hours of sunshine does Oregon have in May?
When is the highest UV index in Oregon?
What is the UV index intensity in May in Oregon?
Average temperature in May
Oregon, IL
- Average high temperature in May: 68.7°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 (26.8°F).
- Average low temperature in May: 52°F
The month with the highest average low temperature is July (63°F).
The coldest month (with the lowest average low temperature) is January (14.2°F).
Average pressure in May
Oregon, IL
- Average pressure in May: 29.96"Hg
The month with the highest atmospheric pressure is January (30.12"Hg).
The month with the lowest atmospheric pressure is June (29.91"Hg).
Average wind speed in May
Oregon, IL
- Average wind speed in May: 8.8mph
The windiest month (with the highest average wind speed) is April (10.3mph).
The calmest month (with the lowest average wind speed) is August (6.4mph).
Average humidity in May
Oregon, IL
- Average humidity in May: 78%
The month with the highest relative humidity is January (86%).
The month with the lowest relative humidity is October (74%).
Average rainfall in May
Oregon, IL
- Average rainfall in May: 2.76"
The wettest month (with the highest rainfall) is June (2.91").
The driest months (with the least rainfall) are January and February (0.94").
Average rainfall days in May
Oregon, IL
- Average rainfall days in May: 17.7 days
The month with the highest number of rainy days is May (17.7 days).
The month with the least rainy days is February (4.6 days).
Average snowfall in May
Oregon, IL
- Average snowfall in May: 0"
The month with the highest snowfall is January (2.48").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in May
Oregon, IL
- Average snowfall days in May: 0 days
The month with the highest number of snowfall days is January (12.2 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
Oregon, 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 2min
The month with the most sunshine is July (Average sunshine: 9h and 30min).
The month with the least sunshine is January (Average sunshine: 3h and 36min).
Average sunshine days in May
Oregon, IL
- Average sunshine days in May: 10.9 days
The month with the most sunshine days is November (17.6 days).
The month with the least sunshine days is June (10.4 days).
Average UV index in May
Oregon, IL
- Average UV index in May: 5
The months with the highest UV index are May, June, July and August (UV index 5).
The months with the lowest UV index are January and December (UV index 1).
Average cloud cover in May
Oregon, IL
- Average cloud cover in May: 45
The month with the most cloud cover is January (Cloud cover 63).
The month with the least cloud cover is September (Cloud cover 34).
Average visibility in May
Oregon, IL
- Average visibility in May: 6mi
The months with the highest visibility are March, April, May, June, September, October, November and December (6mi).
The months with the lowest visibility are January, February, July and August (5mi).
Oregon, Illinois, USA
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