May weather forecastWenona, IL

May

Weather in May

May, the last month of the spring in Wenona, is an agreeable month, with an average temperature varying between 71.4°F (21.9°C) and 54.5°F (12.5°C).

Temperature

Wenona's transition into May brings a rise in the average high-temperature, moving from a refreshing 59.7°F (15.4°C) in April to an agreeable 71.4°F (21.9°C). Wenona, during the nights of May, experiences an average temperature drop to a cool 54.5°F (12.5°C).

Humidity

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

Rainfall

The month with the most rainfall in Wenona, Illinois, is May, when the rain falls for 15.1 days and typically aggregates up to 2.05" (52mm) of precipitation.

Snowfall

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

Daylight

The average length of the day in May is 14h and 30min.
On the first day of May, sunrise is at 5:52 am and sunset at 7:53 pm. On the last day of the month, sunrise is at 5:26 am and sunset at 8:21 pm CDT.

Sunshine

The average sunshine in May in Wenona is 8.9h.

UV index

The average daily maximum UV index in May in Wenona, Illinois, is 5. A UV Index reading of 3 to 5 represents a moderate threat to health from exposure to the Sun's UV radiation for average individuals.
Note: The maximum UV index of 5 during May translates into these guidelines:
Be vigilant - Suggestions to stave off sun damage are provided. Sun's radiation is most powerful around mid-day, so it's best to limit outdoor activities during this time. Safeguard your eyes, ears, and face from sun rays with the aid of a wide-brim hat.
Updated: Feb 12, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

The high-temperature, in May, in Wenona, records 71.4°F (21.9°C), while the low-temperature is 54.5°F (12.5°C).

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

May is the month with the most rainfall in Wenona. Rain falls for 15.1 days and accumulates 2.05" (52mm) of precipitation.

In Wenona, Illinois, during May, the rain falls for 15.1 days and regularly aggregates up to 2.05" (52mm) of precipitation.

May through September are months without snowfall.

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

In May, the average day length in Wenona, Illinois, is 14h and 30min.

In May, on the first day of the month, sunrise is at 5:52 am and sunset at 7:53 pm. On the last day of the month, in Wenona, Illinois, sunrise is at 5:26 am and sunset at 8:21 pm CDT.

In May, the average sunshine duration in Wenona is 8.9h.

In Wenona, Illinois, the average daily maximum UV index in May is 5. A UV Index reading of 3 to 5 represents a moderate vulnerability from exposure to Sun's UV rays.
Average high temperature
Average low temperature
Average pressure
Average wind speed
Average max. wind speed
Average wind speed gusts
Average humidity
Average rainfall
Average rainfall days
Average snowfall
Average snowfall days
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in May
Wenona, IL

  • Average high temperature in May: 71.4°F

The warmest month (with the highest average high temperature) is July (81°F).
The month with the lowest average high temperature is January (29.7°F).

  • Average low temperature in May: 54.5°F

The month with the highest average low temperature is July (64.6°F).
The coldest month (with the lowest average low temperature) is January (18.3°F).

Average pressure in May
Wenona, IL

  • Average pressure in May: 29.96"Hg

The month with the highest atmospheric pressure is January (30.13"Hg).
The month with the lowest atmospheric pressure is June (29.91"Hg).

Average wind speed in May
Wenona, IL

  • Average wind speed in May: 9mph

The windiest month (with the highest average wind speed) is April (10.7mph).
The calmest month (with the lowest average wind speed) is August (6.5mph).

Average humidity in May
Wenona, IL

  • Average humidity in May: 76%

The month with the highest relative humidity is July (85%).
The month with the lowest relative humidity is October (71%).

Average rainfall in May
Wenona, IL

  • Average rainfall in May: 2.05"

The wettest month (with the highest rainfall) is May (2.05").
The driest month (with the least rainfall) is November (0.71").

Average rainfall days in May
Wenona, IL

  • Average rainfall days in May: 15.1 days

The month with the highest number of rainy days is May (15.1 days).
The month with the least rainy days is February (4.7 days).

Average snowfall in May
Wenona, IL

  • Average snowfall in May: 0"

The month with the highest snowfall is February (1.65").
The months with the least snowfall are May, June, July, August and September (0").

Average snowfall days in May
Wenona, IL

  • Average snowfall days in May: 0 days

The month with the highest number of snowfall days is January (10.3 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
Wenona, IL

  • Average daylight in May: 14h and 30min

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 54min

The month with the most sunshine is June (Average sunshine: 10h and 0min).
The month with the least sunshine is January (Average sunshine: 3h and 48min).

Average sunshine days in May
Wenona, IL

  • Average sunshine days in May: 12.8 days

The month with the most sunshine days is November (20.4 days).
The month with the least sunshine days is July (10.3 days).

Average UV index in May
Wenona, IL

  • Average UV index in May: 5

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

Average cloud cover in May
Wenona, IL

  • Average cloud cover in May: 40

The month with the most cloud cover is January (Cloud cover 59).
The month with the least cloud cover is September (Cloud cover 31).

Average visibility in May
Wenona, 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).