May weather forecast
Shady Grove, IL

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Weather in May

The last month of the spring, May, is a warm month in Shady Grove, Illinois, with an average temperature fluctuating between 76.6°F (24.8°C) and 59°F (15°C).

Temperature

With the onset of May, Shady Grove's average high-temperature experiences a slight rise, moving from April's comfortable 67.8°F (19.9°C) to a moderately hot 76.6°F (24.8°C). In May, the average low-temperature is a refreshing 59°F (15°C).

Humidity

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

Rainfall

May is the month with the most rainfall in Shady Grove. Rain falls for 14.7 days and accumulates 1.93" (49mm) of precipitation.

Snowfall

April through October are months without snowfall.

Daylight

In Shady Grove, the average length of the day in May is 14h and 10min.
On the first day of the month, sunrise is at 5:58 am and sunset at 7:43 pm. On the last day of May, in Shady Grove, sunrise is at 5:35 am and sunset at 8:08 pm CDT.

Sunshine

In May, the average sunshine in Shady Grove is 9.2h.

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 risk from exposure to the Sun's UV radiation for average individuals.
Note: A maximum high UV index of 6 in May translates into the following recommendations:
Escape overexposure. People with light skin may incur burns in fewer than 20 minutes. 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. To best shield against UV radiation, choose sun-safe garments and dependable sunglasses.
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Frequently asked questions

What are May temperatures in Shady Grove?

The high-temperature in Shady Grove during May is 76.6°F (24.8°C) and the low-temperature is 59°F (15°C).

What are the most humid months in Shady Grove?

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

What is the average humidity in May in Shady Grove?

The average relative humidity in May is 79%.

What is the rainiest month in Shady Grove?

The month with the most rainfall in Shady Grove, Illinois, is May, when the rain falls for 14.7 days and typically aggregates up to 1.93" (49mm) of precipitation.

How much does it rain in Shady Grove in May?

In Shady Grove, during May, the rain falls for 14.7 days and regularly aggregates up to 1.93" (49mm) of precipitation.

When it does not snow in Shady Grove?

In Shady Grove, Illinois, snow does not fall in April through October.

What is the average length of the day in May in Shady Grove?

The average day length in May in Shady Grove, Illinois, is 14h and 10min.

What time are sunrise and sunset in May in Shady Grove?

In May, on the first day of the month, sunrise is at 5:58 am and sunset at 7:43 pm. On the last day of the month, in Shady Grove, sunrise is at 5:35 am and sunset at 8:08 pm CDT.

How long on average sun shines in May in Shady Grove?

The average sunshine duration in May in Shady Grove, Illinois, is 9.2h.

What are the months with the highest UV index in Shady Grove?

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

What is the UV index reading in May in Shady Grove?

In May, the average daily maximum UV index is 6. A UV Index reading of 6 to 7 represents a high 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
Shady Grove, IL

Average temperature in May - Shady Grove, IL
  • Average high temperature in May: 76.6°F

The warmest month (with the highest average high temperature) is July (88.7°F).
The month with the lowest average high temperature is January (41.5°F).

  • Average low temperature in May: 59°F

The month with the highest average low temperature is July (69.4°F).
The coldest month (with the lowest average low temperature) is January (28.6°F).

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Average pressure in May
Shady Grove, IL

Average pressure in May - Shady Grove, IL
  • Average pressure in May: 29.98"Hg

The month with the highest atmospheric pressure is January (30.17"Hg).
The month with the lowest atmospheric pressure is June (29.95"Hg).

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Average wind speed in May
Shady Grove, IL

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

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

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Average humidity in May
Shady Grove, IL

Average humidity in May - Shady Grove, 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 (70%).

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Average rainfall in May
Shady Grove, IL

Average rainfall in May - Shady Grove, IL
  • Average rainfall in May: 1.93"

The wettest month (with the highest rainfall) is May (1.93").
The driest month (with the least rainfall) is September (0.63").

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Average rainfall days in May
Shady Grove, IL

Average rainfall days in May - Shady Grove, IL
  • Average rainfall days in May: 14.7 days

The month with the highest number of rainy days is May (14.7 days).
The month with the least rainy days is October (7.6 days).

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Average snowfall in May
Shady Grove, IL

Average snowfall in May - Shady Grove, IL
  • Average snowfall in May: 0"

The month with the highest snowfall is February (0.71").
The months with the least snowfall are April, May, June, July, August, September and October (0").

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Average snowfall days in May
Shady Grove, IL

Average snowfall days in May - Shady Grove, IL
  • Average snowfall days in May: 0 days

The month with the highest number of snowfall days is February (3.3 days).
The months with the least snowfall days are May, June, July, August, September and October (0 days).

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Average daylight in May /
Average sunshine in May
Shady Grove, IL

Average daylight in May / Average sunshine in May - Shady Grove, 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 42min).

  • Average sunshine in May: 9h and 1min

The months with the most sunshine are June and July (Average sunshine: 10h and 30min).
The month with the least sunshine is February (Average sunshine: 4h and 36min).

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Average sunshine days in May
Shady Grove, IL

Average sunshine days in May - Shady Grove, IL
  • Average sunshine days in May: 14.5 days

The month with the most sunshine days is October (22.3 days).
The month with the least sunshine days is July (14.2 days).

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Average UV index in May
Shady Grove, IL

Average UV index in May - Shady Grove, 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 and December (UV index 2).

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Average cloud cover in May
Shady Grove, IL

Average cloud cover in May - Shady Grove, IL
  • Average cloud cover in May: 39

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

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Average visibility in May
Shady Grove, IL

Average visibility in May - Shady Grove, 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).

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Shady Grove, Illinois, USA

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