May weather forecast
East Peoria, IL

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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.
Updated: Jun 28, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What is the average May temperature?

The high-temperature during May is 71.6°F (22°C) and the low-temperature is 55°F (12.8°C).

What is the average humidity in May?

In East Peoria, the average relative humidity in May is 78%.

What is the wettest month?

The month with the most rainfall is May, when the rain falls for 16.8 days and typically aggregates up to 2.64" (67mm) of precipitation.

How much does it rain in May?

In East Peoria, in May, it is raining for 16.8 days, with typically 2.64" (67mm) of accumulated precipitation.

When it does not snow?

May through September are months without snowfall.

Does it snow in May?

In May, it doesn't snow. April is the latest month when it typically snows.

What is the average length of the day in May?

In May, the average day length is 14h and 28min.

When are sunrise and sunset in May in East Peoria?

In May, on the first day of the month, 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.

How long on average sun shines in May?

In May, the average sunshine duration is 9.1h.

What is the UV index reading in May in East Peoria?

In May, the average daily maximum UV index is 5. A UV Index of 3 to 5 symbolizes a medium health risk from unprotected exposure to UV radiation.
Average humidity
Average rainfall days
Average snowfall
Average snowfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in May
East Peoria, IL

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 - 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 - 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 - 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 - 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 - 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 - 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 - 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 / Average sunshine in May - East Peoria, IL
  • Average daylight in May: 14h and 3min

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 1min

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 - 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 - 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 - 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 - 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).

East Peoria, Illinois, USA

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