May weather - Spring 2024

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

Street lights and tall buildings in the city of Peoria, Illinois, as well as the night sky reflected in the waterfront

Weather in May

As May arrives, Peoria fully embraces the spring season, transitioning effortlessly into the early inklings of summer. With the consistency of warmer air and extended sunshine hours, plants deluge the city with a profusion of colors. Quite noticeably, this month witnesses the highest rainfall amount for the year, further nurturing the thriving vegetation. Despite the persistent rains, humid conditions are not particularly burdensome owing to the prevalent warm, sunlit weather. The beauty of the city in full bloom tempered with the beginning of summery warmth makes May an appealing time for local festivities and outdoor events.

Temperature

Peoria's weather in May shows a rise in the average high-temperature, moving up from April's comfortable 60.8°F (16°C) to an agreeable 71.6°F (22°C). Throughout May, an average low-temperature of 55°F (12.8°C) is experienced in Peoria, Illinois.

Humidity

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

Rainfall

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.

Snowfall

In Peoria, snow does not fall in May through September.

Daylight

In May, the average length of the day in Peoria is 14h and 28min.
On the first day of May in Peoria, 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

The average sunshine in May is 9.1h.

UV index

The average daily maximum UV index in May is 5. A UV Index value of 3 to 5 symbolizes a moderate health risk from unprotected exposure to Sun's UV rays for ordinary individuals.
Note: An average UV index of 5 in May transforms into this advice:
Take precautions - Protection against skin and eye damage is obliged. The most potent solar radiation is around mid-day, so one should minimize exposure to direct sunlight during this period. On days when the sun blazes, arm yourself with sunglasses that block UVA and UVB radiation.

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Frequently asked questions

What is the average May temperature in Peoria?

The high-temperature, in May, in Peoria, is 71.6°F (22°C), while the low-temperature averages to 55°F (12.8°C).

What is the average humidity in May in Peoria?

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

What is the rainiest month in Peoria?

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 Peoria in May?

In May, in Peoria, the rain falls for 16.8 days. Throughout May, 2.64" (67mm) of precipitation is accumulated.

When it does not snow in Peoria?

May through September are months without snowfall in Peoria, Illinois.

Does it snow in Peoria in May?

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

How many hours of daylight does Peoria have in May?

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

When is the sunrise / sunset in May in Peoria?

On the first day of May in Peoria, 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 many hours of sunshine does Peoria have in May?

In Peoria, Illinois, the average sunshine duration in May is 9.1h.

What is the UV index intensity in May in Peoria?

In Peoria, Illinois, the average daily maximum UV index in May is 5. A UV Index value of 3 to 5 symbolizes a medium hazard to health from unsafe exposure to Sun's UV rays.

Today

Tomorrow

Long-term

Year J F M A May J J A S O N D

Apr

May

Jun

Average high temperature

60.8°F 16°C

71.6°F 22°C

79.9°F 26.6°C

Average low temperature

Average pressure

Average wind speed

Average max. wind speed

11.4mph 18.3km/h

9.5mph 15.3km/h

8.3mph 13.4km/h

Average wind speed gusts

Average humidity

Average rainfall

Average rainfall days

Average snowfall

Average snowfall days

Average daylight

Average sunshine

Average sunshine days

14.8

11.3

11.6

Average UV index

Average cloud cover

Average visibility

Average temperature in May
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).

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Average pressure in May
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).

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Average wind speed in May
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).

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Average humidity in May
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%).

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Average rainfall in May
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").

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Average rainfall days in May
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).

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Average snowfall in May
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").

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Average snowfall days in May
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).

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Average daylight in May /
Average sunshine in May
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).

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Average sunshine days in May
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).

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Average UV index in May
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).

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Average cloud cover in May
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).

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Average visibility in May
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).

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May weather forecast
Peoria, IL

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