May weather forecast
Steeleville, IL

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Weather in May

The last month of the spring, May, is a moderately hot month in Steeleville, Illinois, with temperature in the range of an average low of 57.9°F (14.4°C) and an average high of 75.7°F (24.3°C).

Temperature

May's onset witnesses a shift in the average high-temperature, moving from an enjoyable 66°F (18.9°C) in April to a warm 75.7°F (24.3°C). The low-temperature average for Steeleville during May stands at a mild 57.9°F (14.4°C).

Humidity

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

Rainfall

The month with the most rainfall is May, when the rain falls for 18.3 days and typically aggregates up to 4.49" (114mm) of precipitation.

Snowfall

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

Daylight

In Steeleville, the average length of the day in May is 14h and 14min.
On the first day of the month, sunrise is at 6:01 am and sunset at 7:49 pm. On the last day of May, sunrise is at 5:37 am and sunset at 8:15 pm CDT.

Sunshine

In May, the average sunshine is 9.2h.

UV index

In May, the average daily maximum UV index in Steeleville is 5. A UV Index of 3 to 5 symbolizes a moderate threat to health from exposure to the Sun's UV rays for ordinary individuals.
Note: The maximum daily UV index of 5 during May translates into the following directions:
Ensure safety - Recommendations to avert sunburn are presented. The most potent solar radiation is around mid-day, so one should minimize exposure to direct sunlight during this period. Select sunglasses that boast both UVA and UVB protection to limit the adverse effects of the sun on the eyes.
Updated: Aug 13, 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 Steeleville, is 75.7°F (24.3°C), while the average low-temperature is 57.9°F (14.4°C).

What is the most humid month?

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

What is the average humidity in May?

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

What is the wettest month?

May is the month with the most rainfall. Rain falls for 18.3 days and accumulates 4.49" (114mm) of precipitation.

How much does it rain in May?

In May, in Steeleville, the rain falls for 18.3 days. Throughout May, 4.49" (114mm) of precipitation is accumulated.

When it does not snow?

May through September are months without snowfall.

Does it snow in Steeleville in May?

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

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

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

When is the sunrise / sunset in May in Steeleville?

In May, on the first day of the month, sunrise is at 6:01 am and sunset at 7:49 pm. On the last day of the month, sunrise is at 5:37 am and sunset at 8:15 pm CDT.

How many hours of sunshine does Steeleville have in May?

The average sunshine duration in May is 9.2h.

What is the UV index reading in May?

The average daily maximum UV index in May is 5. A UV Index estimate of 3 to 5 represents a medium hazard to health 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
Steeleville, IL

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

The warmest month (with the highest average high temperature) is July (87.3°F).
The month with the lowest average high temperature is January (39°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 (25.7°F).

Average pressure in May
Steeleville, IL

Average pressure in May - Steeleville, IL
  • Average pressure in May: 29.96"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
Steeleville, IL

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

The windiest month (with the highest average wind speed) is January (9.5mph).
The calmest months (with the lowest average wind speed) are July and August (5.7mph).

Average humidity in May
Steeleville, IL

Average humidity in May - Steeleville, 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
Steeleville, IL

Average rainfall in May - Steeleville, IL
  • Average rainfall in May: 4.49"

The wettest month (with the highest rainfall) is May (4.49").
The driest months (with the least rainfall) are February and September (2.13").

Average rainfall days in May
Steeleville, IL

Average rainfall days in May - Steeleville, IL
  • Average rainfall days in May: 18.3 days

The month with the highest number of rainy days is May (18.3 days).
The month with the least rainy days is January (8.3 days).

Average snowfall in May
Steeleville, IL

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

The month with the highest snowfall is January (2.64").
The months with the least snowfall are May, June, July, August and September (0").

Average snowfall days in May
Steeleville, IL

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

The month with the highest number of snowfall days is January (7.1 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
Steeleville, IL

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

The month with the longest days is June (Average daylight: 14h and 48min).
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 June (Average sunshine: 10h and 30min).
The month with the least sunshine is January (Average sunshine: 4h and 36min).

Average sunshine days in May
Steeleville, IL

Average sunshine days in May - Steeleville, IL
  • Average sunshine days in May: 10.4 days

The month with the most sunshine days is December (18.2 days).
The month with the least sunshine days is May (10.4 days).

Average UV index in May
Steeleville, IL

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

The months with the highest UV index are 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
Steeleville, IL

Average cloud cover in May - Steeleville, IL
  • Average cloud cover in May: 38

The month with the most cloud cover is February (Cloud cover 50).
The month with the least cloud cover is June (Cloud cover 28).

Average visibility in May
Steeleville, IL

Average visibility in May - Steeleville, 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).

Steeleville, Illinois, USA

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