May weather forecast
Goreville, IL

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Weather in May

The last month of the spring, May, is a warm month in Goreville, Illinois, with an average temperature varying between 57.9°F (14.4°C) and 75.7°F (24.3°C).

Temperature

In Goreville, stepping into May brings a temperature increase, moving up from April's comfortable 66.6°F (19.2°C) to a moderately hot 75.7°F (24.3°C). Throughout the May nights, Goreville encounters a low-temperature of 57.9°F (14.4°C).

Humidity

March and May, with an average relative humidity of 79%, are the most humid months.

Rainfall

In Goreville, in May, during 12.7 rainfall days, 1.34" (34mm) of precipitation is typically accumulated. Throughout the year, there are 118.3 rainfall days, and 13.03" (331mm) of precipitation is accumulated.

Snowfall

April through October are months without snowfall in Goreville.

Daylight

In May, the average length of the day is 14h and 13min.
On the first day of the month, sunrise is at 5:59 am and sunset at 7:46 pm. On the last day of May, sunrise is at 5:36 am and sunset at 8:11 pm CDT.

Sunshine

In May, the average sunshine is 9.1h.

UV index

May through August, with an average maximum UV index of 6, are months with the highest UV index in Goreville. A UV Index of 6 to 7 symbolizes a high health hazard from exposure to the Sun's UV radiation for average individuals.
Note: An average UV index of 6 in May transforms into this advice:
Incorporate safeguards and honour sun safety principles. Protection from skin and eye damage is obligatory. Between 10 a.m. and 4 p.m., UV radiation is strongest. Make an effort to avoid direct sunlight during this time, remembering that shade structures may not provide full sun protection. In bright sunlight, prioritize sunglasses that grant protection from UVA and UVB radiation.
Updated: Jun 11, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What are May temperatures?

The average high-temperature and low-temperature during May are 75.7°F (24.3°C) and 57.9°F (14.4°C) respectively.

What is the most humid month?

The months with the highest humidity are March and May, with an average relative humidity of 79%.

What is the average humidity in May?

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

How many days does it rain in May?

In Goreville, in May, it is raining for 12.7 days, with typically 1.34" (34mm) of accumulated precipitation.

When it does not snow?

April through October are months without snowfall.

What is the average length of the day in May in Goreville?

The average day length in May is 14h and 13min.

When is the sunrise / sunset in May?

On the first day of May, sunrise is at 5:59 am and sunset at 7:46 pm. On the last day of the month, sunrise is at 5:36 am and sunset at 8:11 pm CDT.

How long on average sun shines in May?

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.

How high is the UV index in May?

The average daily maximum UV index in May is 6. A UV Index of 6 to 7 symbolizes a high health risk 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
Goreville, IL

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

The warmest month (with the highest average high temperature) is July (88°F).
The month with the lowest average high temperature is January (40.1°F).

  • Average low temperature in May: 57.9°F

The month with the highest average low temperature is July (68.5°F).
The coldest month (with the lowest average low temperature) is January (27°F).

Average pressure in May
Goreville, IL

Average pressure in May - Goreville, 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
Goreville, IL

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

The windiest months (with the highest average wind speed) are January and February (9mph).
The calmest months (with the lowest average wind speed) are July and August (5.7mph).

Average humidity in May
Goreville, IL

Average humidity in May - Goreville, IL
  • Average humidity in May: 79%

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

Average rainfall in May
Goreville, IL

Average rainfall in May - Goreville, IL
  • Average rainfall in May: 1.34"

The wettest month (with the highest rainfall) is June (1.5").
The driest month (with the least rainfall) is September (0.47").

Average rainfall days in May
Goreville, IL

Average rainfall days in May - Goreville, IL
  • Average rainfall days in May: 12.7 days

The month with the highest number of rainy days is July (13.1 days).
The months with the least rainy days are January, February and December (7.3 days).

Average snowfall in May
Goreville, IL

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

The month with the highest snowfall is February (0.67").
The months with the least snowfall are April, May, June, July, August, September and October (0").

Average snowfall days in May
Goreville, IL

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

The month with the highest number of snowfall days is January (3.3 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
Goreville, IL

Average daylight in May / Average sunshine in May - Goreville, 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 months with the most sunshine are June and 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
Goreville, IL

Average sunshine days in May - Goreville, IL
  • Average sunshine days in May: 15.3 days

The month with the most sunshine days is October (21.5 days).
The month with the least sunshine days is June (14.8 days).

Average UV index in May
Goreville, IL

Average UV index in May - Goreville, 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
Goreville, IL

Average cloud cover in May - Goreville, IL
  • Average cloud cover in May: 40

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

Average visibility in May
Goreville, IL

Average visibility in May - Goreville, 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).

Goreville, Illinois, USA

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