May weather forecast
Scales Mound, IL

Weather in May

May, the last month of the spring in Scales Mound, is a comfortable month, with an average temperature fluctuating between 50.2°F (10.1°C) and 67.6°F (19.8°C).

Temperature

In May, the average high-temperature rises from a mild 56.1°F (13.4°C) in April to a comfortable 67.6°F (19.8°C). In Scales Mound, the average low-temperature is 50.2°F (10.1°C).

Humidity

In Scales Mound, Illinois, the average relative humidity in May is 81%.

Rainfall

In Scales Mound, it is raining for 20 days, with typically 4.09" (104mm) of accumulated precipitation. Throughout the year, there are 153.1 rainfall days, and 30.75" (781mm) of precipitation is accumulated.

Snowfall

May through September are months without snowfall.

Daylight

The average length of the day in May is 14h and 38min.
On the first day of the month, sunrise is at 5:55 am and sunset at 8:00 pm. On the last day of May, sunrise is at 5:26 am and sunset at 8:30 pm CDT.

Sunshine

In Scales Mound, the average sunshine in May is 8.4h.

UV index

The average daily maximum UV index in May is 5. A UV Index reading of 3 to 5 represents a moderate health risk from exposure to the Sun's UV radiation for ordinary individuals.
Note: The average daily UV index of 5 in May transform into the following instructions:
Take precautions. Light skin individuals may get burned in less than 30 minutes. The solar radiation is most powerful near the mid-day, so the exposure to the direct Sun should be reduced accordingly. On bright days sunglasses that block both UVA and UVB rays should be worn. A hat with a wide brim is extremely helpful, as it can prevent roughly 50% of UV radiation from reaching the eyes.
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FAQ

What is the average humidity in May in Scales Mound?

The average relative humidity in May is 81%.

How much does it rain in Scales Mound in May?

In Scales Mound, Illinois, during May, the rain falls for 20 days and regularly aggregates up to 4.09" (104mm) of precipitation.

When it does not snow in Scales Mound?

In Scales Mound, snow does not fall in May through September.

Does it snow in Scales Mound in May?

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

How many hours of daylight does Scales Mound have in May?

In May, the average day length in Scales Mound is 14h and 38min.

What time are sunrise and sunset in May in Scales Mound?

In May, on the first day of the month, sunrise is at 5:55 am and sunset at 8:00 pm. On the last day of the month, in Scales Mound, Illinois, sunrise is at 5:26 am and sunset at 8:30 pm CDT.

How many hours of sunshine does Scales Mound have in May?

The average sunshine duration in May in Scales Mound, Illinois, is 8.4h.

What is the UV index reading in May in Scales Mound?

In May, the average daily maximum UV index in Scales Mound, Illinois, is 5. A UV Index estimate of 3 to 5 represents a medium health risk from unprotected exposure to UV radiation.

Average temperature in May
Scales Mound, IL

Average temperature in May - Scales Mound, IL
  • Average high temperature in May: 67.6°F

The warmest month (with the highest average high temperature) is July (79.7°F).
The month with the lowest average high temperature is January (25°F).

  • Average low temperature in May: 50.2°F

The month with the highest average low temperature is July (63°F).
The coldest month (with the lowest average low temperature) is January (12.4°F).

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Average pressure in May
Scales Mound, IL

Average pressure in May - Scales Mound, IL
  • Average pressure in May: 29.95"Hg

The month with the highest atmospheric pressure is January (30.12"Hg).
The month with the lowest atmospheric pressure is June (29.9"Hg).

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Average wind speed in May
Scales Mound, IL

Average wind speed in May - Scales Mound, IL
  • Average wind speed in May: 8.8mph

The windiest month (with the highest average wind speed) is April (10.4mph).
The calmest month (with the lowest average wind speed) is August (6.6mph).

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Average humidity in May
Scales Mound, IL

Average humidity in May - Scales Mound, IL
  • Average humidity in May: 81%

The month with the highest relative humidity is January (87%).
The months with the lowest relative humidity are April and October (76%).

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Average rainfall in May
Scales Mound, IL

Average rainfall in May - Scales Mound, IL
  • Average rainfall in May: 4.09"

The wettest month (with the highest rainfall) is June (4.29").
The driest month (with the least rainfall) is January (1.26").

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Average rainfall days in May
Scales Mound, IL

Average rainfall days in May - Scales Mound, IL
  • Average rainfall days in May: 20 days

The month with the highest number of rainy days is May (20 days).
The month with the least rainy days is February (4.8 days).

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Average snowfall in May
Scales Mound, IL

Average snowfall in May - Scales Mound, IL
  • Average snowfall in May: 0"

The month with the highest snowfall is January (5.12").
The months with the least snowfall are May, June, July, August and September (0").

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Average snowfall days in May
Scales Mound, IL

Average snowfall days in May - Scales Mound, IL
  • Average snowfall days in May: 0 days

The month with the highest number of snowfall days is January (13.2 days).
The months with the least snowfall days are May, June, July, August and September (0 days).

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Average daylight in May /
Average sunshine in May
Scales Mound, IL

Average daylight in May / Average sunshine in May - Scales Mound, IL
  • Average daylight in May: 14h and 38min

The month with the longest days is June (Average daylight: 15h and 15min).
The month with the shortest days is December (Average daylight: 9h and 8min).

  • Average sunshine in May: 8.4h

The month with the most sunshine is August (Average sunshine: 9.8h).
The month with the least sunshine is January (Average sunshine: 3.7h).

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Average sunshine days in May
Scales Mound, IL

Average sunshine days in May - Scales Mound, IL
  • Average sunshine days in May: 8.8 days

The month with the most sunshine days is November (17.1 days).
The month with the least sunshine days is June (7.9 days).

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Average UV index in May
Scales Mound, IL

Average UV index in May - Scales Mound, IL
  • Average UV index in May: 5

The months with the highest UV index are June and July (UV index 6).
The months with the lowest UV index are January and December (UV index 1).

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Average cloud cover in May
Scales Mound, IL

Average cloud cover in May - Scales Mound, IL
  • Average cloud cover in May: 43

The month with the most cloud cover is January (Cloud cover 62).
The month with the least cloud cover is September (Cloud cover 32).

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Average visibility in May
Scales Mound, IL

Average visibility in May - Scales Mound, IL
  • Average visibility in May: 6mi

The months with the highest visibility are March, April, May, June, August, September, October, November and December (6mi).
The months with the lowest visibility are January, February and July (5mi).

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