May weather forecast
Wolf Lake, IL

Share

Weather in May

The last month of the spring, May, is a warm month in Wolf Lake, Illinois, with temperature in the range of an average low of 58.1°F (14.5°C) and an average high of 75.7°F (24.3°C).

Temperature

The arrival of May brings a change in Wolf Lake's weather, with average high-temperatures moving from April's refreshing 66.6°F (19.2°C) to a moderately hot 75.7°F (24.3°C). An average low-temperature of 58.1°F (14.5°C) is expected during May.

Humidity

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

Rainfall

In Wolf Lake, in May, during 14.9 rainfall days, 2.95" (75mm) of precipitation is typically accumulated. Throughout the year, there are 143 rainfall days, and 27.44" (697mm) of precipitation is accumulated.

Snowfall

May through September are months without snowfall.

Daylight

In May, the average length of the day is 14h and 12min.
On the first day of the month, sunrise is at 6:01 am and sunset at 7:48 pm. On the last day of May, in Wolf Lake, sunrise is at 5:38 am and sunset at 8:12 pm CDT.

Sunshine

In Wolf Lake, the average sunshine in May is 9.1h.

UV index

The months with the highest UV index are May through August, with an average maximum UV index of 6. A UV Index reading of 6 to 7 represents a high health hazard from unprotected exposure to Sun's UV rays for ordinary individuals.
Note: In May, the maximum UV index of 6 translates into these guidelines:
Implement preventive steps and embrace sun safety standards. Protection from skin and eye distress is compulsory. Make an effort to avoid direct sun exposure between 10 a.m. and 4 p.m., the peak period for UV radiation, and note that objects like parasols or canopies might not offer full sun protection. Wearing sunglasses with both UVA and UVB protection effectively reduces sun-induced eye damage.
Updated: Aug 11, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What is the temperature in May?

The average high-temperature and low-temperature during May are 75.7°F (24.3°C) and 58.1°F (14.5°C) respectively.

What is the most humid month?

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

What is the average humidity in May?

In May, the average relative humidity is 79%.

How many days does it rain in May?

In May, the rain falls for 14.9 days. Throughout May, 2.95" (75mm) of precipitation is accumulated.

When it does not snow?

In Wolf Lake, Illinois, snow does not fall in May through September.

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 Wolf Lake have in May?

In Wolf Lake, the average day length in May is 14h and 12min.

When is the sunrise / sunset in May?

In May, on the first day of the month, sunrise is at 6:01 am and sunset at 7:48 pm. On the last day of the month, sunrise is at 5:38 am and sunset at 8:12 pm CDT.

How long on average sun shines in May?

In Wolf Lake, the average sunshine duration in May is 9.1h.

When is the highest UV index?

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

What is the UV index intensity in May?

In Wolf Lake, Illinois, the average daily maximum UV index in May is 6. A UV Index of 6 to 7 symbolizes a high health vulnerability from exposure to the Sun's 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
Wolf Lake, IL

Average temperature in May - Wolf Lake, IL
  • Average high temperature in May: 75.7°F

The warmest month (with the highest average high temperature) is July (88.3°F).
The month with the lowest average high temperature is January (39.7°F).

  • Average low temperature in May: 58.1°F

The month with the highest average low temperature is July (69.1°F).
The coldest month (with the lowest average low temperature) is January (26.8°F).

Average pressure in May
Wolf Lake, IL

Average pressure in May - Wolf Lake, 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 (29.94"Hg).

Average wind speed in May
Wolf Lake, IL

Average wind speed in May - Wolf Lake, IL
  • Average wind speed in May: 7.3mph

The windiest month (with the highest average wind speed) is January (9mph).
The calmest month (with the lowest average wind speed) is August (5.6mph).

Average humidity in May
Wolf Lake, IL

Average humidity in May - Wolf Lake, 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
Wolf Lake, IL

Average rainfall in May - Wolf Lake, IL
  • Average rainfall in May: 2.95"

The wettest month (with the highest rainfall) is April (3.31").
The driest month (with the least rainfall) is September (1.3").

Average rainfall days in May
Wolf Lake, IL

Average rainfall days in May - Wolf Lake, IL
  • Average rainfall days in May: 14.9 days

The month with the highest number of rainy days is July (15.9 days).
The month with the least rainy days is January (8.4 days).

Average snowfall in May
Wolf Lake, IL

Average snowfall in May - Wolf Lake, IL
  • Average snowfall in May: 0"

The month with the highest snowfall is February (1.89").
The months with the least snowfall are May, June, July, August and September (0").

Average snowfall days in May
Wolf Lake, IL

Average snowfall days in May - Wolf Lake, IL
  • Average snowfall days in May: 0 days

The month with the highest number of snowfall days is January (4.6 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
Wolf Lake, IL

Average daylight in May / Average sunshine in May - Wolf Lake, 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 1min

The month with the most sunshine is July (Average sunshine: 10h and 24min).
The months with the least sunshine are January and February (Average sunshine: 4h and 36min).

Average sunshine days in May
Wolf Lake, IL

Average sunshine days in May - Wolf Lake, IL
  • Average sunshine days in May: 13.8 days

The month with the most sunshine days is October (21 days).
The month with the least sunshine days is July (12.8 days).

Average UV index in May
Wolf Lake, IL

Average UV index in May - Wolf Lake, 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 and December (UV index 2).

Average cloud cover in May
Wolf Lake, IL

Average cloud cover in May - Wolf Lake, IL
  • Average cloud cover in May: 40

The month with the most cloud cover is February (Cloud cover 51).
The month with the least cloud cover is September (Cloud cover 28).

Average visibility in May
Wolf Lake, IL

Average visibility in May - Wolf Lake, 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).

Wolf Lake, Illinois, USA

Weather forecast for your location

1. Click Locate me button
2. Allow the app to use your location