May weather forecast
Kankakee, IL

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Weather in May

The last month of the spring, May, is a pleasant month in Kankakee, Illinois, with temperature in the range of an average high of 71.1°F (21.7°C) and an average low of 54.1°F (12.3°C).

Temperature

The transition from April to May brings a temperature rise, with average high-temperatures increasing from a refreshing 59°F (15°C) to a pleasant 71.1°F (21.7°C). Throughout May, Kankakee witnesses a nighttime temperature average of 54.1°F (12.3°C).

Humidity

In Kankakee, the average relative humidity in May is 76%.

Rainfall

May is the month with the most rainfall in Kankakee. Rain falls for 11.4 days and accumulates 1.06" (27mm) of precipitation.

Snowfall

May through October are months without snowfall.

Daylight

In May, the average length of the day is 14h and 30min.
On the first day of the month, sunrise is at 5:48 am and sunset at 7:48 pm. On the last day of May, in Kankakee, sunrise is at 5:21 am and sunset at 8:17 pm CDT.

Sunshine

In May, the average sunshine is 8.8h.

UV index

In Kankakee, the average daily maximum UV index in May is 5. A UV Index of 3 to 5 symbolizes a medium health hazard from unsafe exposure to UV radiation for average individuals.
Note: The daily high UV index of 5 during May translates into the following recommendations:
Take precautions - Protection against sun damage is advised. For skin protection, it's recommended to minimize Sun exposure during its peak hours around midday. A wide-brim hat offers excellent sun protection for the eyes, ears, face, and neck. Sunglasses with UVA and UVB protection significantly reduce eye damage from sun exposure.
Updated: Aug 18, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What are May temperatures?

The average high-temperature, in May, in Kankakee, is 71.1°F (21.7°C), while the average low-temperature is 54.1°F (12.3°C).

What is the average humidity in May?

In Kankakee, the average relative humidity in May is 76%.

What is the rainiest month?

The month with the most rainfall is May, when the rain falls for 11.4 days and typically aggregates up to 1.06" (27mm) of precipitation.

How much does it rain in May?

In Kankakee, during May, the rain falls for 11.4 days and regularly aggregates up to 1.06" (27mm) of precipitation.

When it does not snow?

May through October are months without snowfall.

Does it snow in May?

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

How many hours of daylight does Kankakee have in May?

The average day length in May is 14h and 30min.

When are sunrise and sunset in May?

In May, on the first day of the month, sunrise is at 5:48 am and sunset at 7:48 pm. On the last day of the month, sunrise is at 5:21 am and sunset at 8:17 pm CDT.

How many hours of sunshine does Kankakee have in May?

In May, the average sunshine duration in Kankakee is 8.8h.

What is the UV index reading in May?

In Kankakee, the average daily maximum UV index in May is 5. A UV Index reading of 3 to 5 represents a moderate health threat from exposure to Sun's UV rays.
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
Kankakee, IL

Average temperature in May - Kankakee, IL
  • Average high temperature in May: 71.1°F

The warmest month (with the highest average high temperature) is July (81.1°F).
The month with the lowest average high temperature is January (30°F).

  • Average low temperature in May: 54.1°F

The month with the highest average low temperature is July (64.2°F).
The coldest month (with the lowest average low temperature) is January (18.3°F).

Average pressure in May
Kankakee, IL

Average pressure in May - Kankakee, 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 (29.92"Hg).

Average wind speed in May
Kankakee, IL

Average wind speed in May - Kankakee, IL
  • Average wind speed in May: 8.6mph

The windiest month (with the highest average wind speed) is January (10.1mph).
The calmest months (with the lowest average wind speed) are July and August (6.2mph).

Average humidity in May
Kankakee, IL

Average humidity in May - Kankakee, IL
  • Average humidity in May: 76%

The month with the highest relative humidity is July (84%).
The month with the lowest relative humidity is October (72%).

Average rainfall in May
Kankakee, IL

Average rainfall in May - Kankakee, IL
  • Average rainfall in May: 1.06"

The wettest month (with the highest rainfall) is May (1.06").
The driest month (with the least rainfall) is November (0.28").

Average rainfall days in May
Kankakee, IL

Average rainfall days in May - Kankakee, IL
  • Average rainfall days in May: 11.4 days

The month with the highest number of rainy days is May (11.4 days).
The month with the least rainy days is January (2.3 days).

Average snowfall in May
Kankakee, IL

Average snowfall in May - Kankakee, IL
  • Average snowfall in May: 0"

The month with the highest snowfall is January (0.75").
The months with the least snowfall are May, June, July, August, September and October (0").

Average snowfall days in May
Kankakee, IL

Average snowfall days in May - Kankakee, IL
  • Average snowfall days in May: 0 days

The month with the highest number of snowfall days is January (5.8 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
Kankakee, IL

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

The month with the longest days is June (Average daylight: 15h and 6min).
The month with the shortest days is December (Average daylight: 9h and 18min).

  • Average sunshine in May: 8h and 5min

The month with the most sunshine is August (Average sunshine: 9h and 54min).
The month with the least sunshine is January (Average sunshine: 3h and 48min).

Average sunshine days in May
Kankakee, IL

Average sunshine days in May - Kankakee, IL
  • Average sunshine days in May: 16.8 days

The month with the most sunshine days is January (24.8 days).
The month with the least sunshine days is June (15.7 days).

Average UV index in May
Kankakee, IL

Average UV index in May - Kankakee, IL
  • Average UV index in May: 5

The months with the highest UV index are June and July (UV index 6).
The months with the lowest UV index are January and December (UV index 1).

Average cloud cover in May
Kankakee, IL

Average cloud cover in May - Kankakee, IL
  • Average cloud cover in May: 41

The month with the most cloud cover is January (Cloud cover 60).
The months with the least cloud cover are August and September (Cloud cover 33).

Average visibility in May
Kankakee, IL

Average visibility in May - Kankakee, 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).

Kankakee, Illinois, USA

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