May weather forecastEast Peoria, IL
May
Weather in May
The last month of the spring, May, is a pleasant month in East Peoria, Illinois, with an average temperature fluctuating between 71.6°F (22°C) and 55°F (12.8°C).Temperature
The beginning of May marks a shift in the average high-temperature, moving from April's comfortable 60.8°F (16°C) to a pleasant 71.6°F (22°C). East Peoria registers a consistent average low-temperature of 55°F (12.8°C) during May.Humidity
The average relative humidity in May is 78%.Rainfall
May is the month with the most rainfall. Rain falls for 16.8 days and accumulates 2.64" (67mm) of precipitation.Snowfall
In East Peoria, Illinois, snow does not fall in May through September.Daylight
The average length of the day in May is 14h and 28min.On the first day of May, sunrise is at 5:55 am and sunset at 7:54 pm. On the last day of the month, sunrise is at 5:29 am and sunset at 8:22 pm CDT.
Sunshine
In East Peoria, the average sunshine in May is 9.1h.UV index
The average daily maximum UV index in May is 5. A UV Index estimate of 3 to 5 represents a moderate health risk from unprotected exposure to Sun's UV rays for ordinary individuals.Note: An average maximum UV index of 5 in May leads to these recommendations:
Take precautions - Protection against skin and eye damage is obliged. The Sun is most powerful around mid-day, so it's a good practice to reduce direct exposure. Combat UV radiation's detrimental effects with sun-safe clothing and UV-blocking eyewear.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in May
East Peoria, IL
- Average high temperature in May: 71.6°F
The warmest month (with the highest average high temperature) is July (82°F).
The month with the lowest average high temperature is January (30.7°F).
- Average low temperature in May: 55°F
The month with the highest average low temperature is July (65.3°F).
The coldest month (with the lowest average low temperature) is January (18.9°F).
Average pressure in May
East Peoria, IL
- Average pressure in May: 29.95"Hg
The month with the highest atmospheric pressure is January (30.14"Hg).
The month with the lowest atmospheric pressure is June (29.91"Hg).
Average wind speed in May
East Peoria, IL
- Average wind speed in May: 8.8mph
The windiest month (with the highest average wind speed) is April (10.6mph).
The calmest month (with the lowest average wind speed) is August (6.5mph).
Average humidity in May
East Peoria, IL
- Average humidity in May: 78%
The month with the highest relative humidity is July (84%).
The month with the lowest relative humidity is October (71%).
Average rainfall in May
East Peoria, IL
- Average rainfall in May: 2.64"
The wettest month (with the highest rainfall) is May (2.64").
The driest month (with the least rainfall) is January (0.75").
Average rainfall days in May
East Peoria, IL
- Average rainfall days in May: 16.8 days
The month with the highest number of rainy days is May (16.8 days).
The month with the least rainy days is February (4.6 days).
Average snowfall in May
East Peoria, IL
- Average snowfall in May: 0"
The month with the highest snowfall is January (2.36").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in May
East Peoria, IL
- Average snowfall days in May: 0 days
The month with the highest number of snowfall days is January (9 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
East Peoria, IL
- Average daylight in May: 14h and 30min
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 18min).
- Average sunshine in May: 9h and 6min
The month with the most sunshine is June (Average sunshine: 10h and 18min).
The month with the least sunshine is January (Average sunshine: 4h and 0min).
Average sunshine days in May
East Peoria, IL
- Average sunshine days in May: 11.3 days
The month with the most sunshine days is November (19.8 days).
The month with the least sunshine days is May (11.3 days).
Average UV index in May
East Peoria, 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
East Peoria, IL
- Average cloud cover in May: 39
The month with the most cloud cover is January (Cloud cover 57).
The month with the least cloud cover is September (Cloud cover 29).
Average visibility in May
East Peoria, 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).





