May weather forecast
De Soto, IL

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Weather in May

The last month of the spring, May, is a warm month in De Soto, Illinois, with an average temperature ranging between max 75.7°F (24.3°C) and min 58.3°F (14.6°C).

Temperature

As De Soto welcomes May, the average high-temperature sees a rise, transitioning from a comfortable 66.2°F (19°C) in April to a moderately hot 75.7°F (24.3°C). The temperature lowers to an average of 58.3°F (14.6°C) during May nights.

Humidity

May is the most humid month, with an average relative humidity of 79%.

Rainfall

In De Soto, in May, it is raining for 17.1 days, with typically 3.82" (97mm) of accumulated precipitation. In De Soto, during the entire year, the rain falls for 158.6 days and collects up to 34.69" (881mm) of precipitation.

Snowfall

May through September are months without snowfall in De Soto.

Daylight

In May, the average length of the day in De Soto, Illinois, is 14h and 14min.
On the first day of the month, sunrise is at 6:00 am and sunset at 7:47 pm. On the last day of May, sunrise is at 5:36 am and sunset at 8:12 pm CDT.

Sunshine

In May, the average sunshine is 9.3h.

UV index

May through August, with an average maximum UV index of 6, are months with the highest UV index. A UV Index value of 6 to 7 symbolizes a high health hazard from unprotected exposure to Sun's UV rays for the ordinary person.
Note: The maximum UV index of 6 during May leads to these instructions:
Embrace precautions and observe sun safety norms. Evasion of sunburn is a necessity. The Sun's UV radiation is most intense from 10 a.m. to 4 p.m. Try to avoid direct sun exposure during these hours. A wide-brimmed hat is a shield, deflecting up to 50% of harmful UV radiation from eyes.
Updated: Feb 12, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What is the average May temperature in De Soto?

In May, the average high-temperature and low-temperature in De Soto are 75.7°F (24.3°C) and 58.3°F (14.6°C) respectively.

What is the most humid month in De Soto?

The most humid month is May, with an average relative humidity of 79%.

What is the average humidity in May in De Soto?

In De Soto, the average relative humidity in May is 79%.

How many days does it rain in May in De Soto?

In De Soto, Illinois, in May, it is raining for 17.1 days, with typically 3.82" (97mm) of accumulated precipitation.

When it does not snow in De Soto?

In De Soto, Illinois, snow does not fall in May through September.

Does it snow in De Soto in May?

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

What is the average length of the day in May in De Soto?

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

When are sunrise and sunset in May in De Soto?

On the first day of May in De Soto, sunrise is at 6:00 am and sunset at 7:47 pm. On the last day of the month, sunrise is at 5:36 am and sunset at 8:12 pm CDT.

How many hours of sunshine does De Soto have in May?

In De Soto, the average sunshine duration in May is 9.3h.

What are the months with the highest UV index in De Soto?

The months with the highest UV index in De Soto are May through August, with an average maximum UV index of 6.

What is the UV index reading in May in De Soto?

In De Soto, Illinois, the average daily maximum UV index in May is 6. A UV Index reading of 6 to 7 represents a high health threat from unsafe 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
De Soto, IL

Average temperature in May - De Soto, IL
  • Average high temperature in May: 75.7°F

The warmest month (with the highest average high temperature) is July (87.4°F).
The month with the lowest average high temperature is January (39.6°F).

  • Average low temperature in May: 58.3°F

The month with the highest average low temperature is July (68.7°F).
The coldest month (with the lowest average low temperature) is January (26.2°F).

Average pressure in May
De Soto, IL

Average pressure in May - De Soto, IL
  • Average pressure in May: 29.97"Hg

The month with the highest atmospheric pressure is January (30.16"Hg).
The month with the lowest atmospheric pressure is June (29.93"Hg).

Average wind speed in May
De Soto, IL

Average wind speed in May - De Soto, IL
  • Average wind speed in May: 7.5mph

The windiest month (with the highest average wind speed) is January (9.4mph).
The calmest month (with the lowest average wind speed) is August (5.6mph).

Average humidity in May
De Soto, IL

Average humidity in May - De Soto, IL
  • Average humidity in May: 79%

The month with the highest relative humidity is May (79%).
The month with the lowest relative humidity is October (71%).

Average rainfall in May
De Soto, IL

Average rainfall in May - De Soto, IL
  • Average rainfall in May: 3.82"

The wettest month (with the highest rainfall) is April (4.49").
The driest month (with the least rainfall) is September (1.85").

Average rainfall days in May
De Soto, IL

Average rainfall days in May - De Soto, IL
  • Average rainfall days in May: 17.1 days

The month with the highest number of rainy days is May (17.1 days).
The month with the least rainy days is January (9.4 days).

Average snowfall in May
De Soto, IL

Average snowfall in May - De Soto, IL
  • Average snowfall in May: 0"

The month with the highest snowfall is February (1.73").
The months with the least snowfall are May, June, July, August and September (0").

Average snowfall days in May
De Soto, IL

Average snowfall days in May - De Soto, IL
  • Average snowfall days in May: 0 days

The months with the highest number of snowfall days are January and February (4.8 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
De Soto, IL

Average daylight in May / Average sunshine in May - De Soto, IL
  • Average daylight in May: 14h and 1min

The month with the longest days is June (Average daylight: 14h and 42min).
The month with the shortest days is December (Average daylight: 9h and 36min).

  • Average sunshine in May: 9h and 2min

The month with the most sunshine is June (Average sunshine: 10h and 36min).
The month with the least sunshine is January (Average sunshine: 4h and 42min).

Average sunshine days in May
De Soto, IL

Average sunshine days in May - De Soto, IL
  • Average sunshine days in May: 11.3 days

The month with the most sunshine days is October (18.5 days).
The month with the least sunshine days is May (11.3 days).

Average UV index in May
De Soto, IL

Average UV index in May - De Soto, IL
  • Average UV index in May: 6

The months with the highest UV index are May, 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
De Soto, IL

Average cloud cover in May - De Soto, IL
  • Average cloud cover in May: 38

The month with the most cloud cover is February (Cloud cover 50).
The months with the least cloud cover are June and August (Cloud cover 27).

Average visibility in May
De Soto, IL

Average visibility in May - De Soto, IL
  • Average visibility in May: 6mi

The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).

De Soto, Illinois, USA

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