May weather forecast
Clarke City, IL

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Weather in May

The last month of the spring, May, is an agreeable month in Clarke City, Illinois, with an average temperature varying between 70.9°F (21.6°C) and 54.1°F (12.3°C).

Temperature

May brings a rise in Clarke City's average high-temperature, moving from a refreshing 58.8°F (14.9°C) in April to an agreeable 70.9°F (21.6°C). The average low-temperature during May nights is a cool 54.1°F (12.3°C).

Humidity

The average relative humidity in May is 76%.

Rainfall

May is the month with the most rainfall. Rain falls for 17.1 days and accumulates 2.91" (74mm) of precipitation.

Snowfall

In Clarke City, snow does not fall in May through September.

Daylight

In May, the average length of the day in Clarke City is 14h and 31min.
On the first day of the month, sunrise is at 5:49 am and sunset at 7:50 pm. On the last day of May, sunrise is at 5:22 am and sunset at 8:18 pm CDT.

Sunshine

In Clarke City, the average sunshine in May is 8.9h.

UV index

In May, the average daily maximum UV index is 5. A UV Index of 3 to 5 symbolizes a medium health hazard from exposure to the Sun's UV rays for the ordinary person.
Note: The daily high UV index of 5 during May translates into the following recommendations:
Be careful. Light complexion individuals might get burns in fewer than 30 minutes. For skin protection, it's recommended to minimize Sun exposure during its peak hours around midday. Sun-related eye harm can be minimized with proper sunglasses offering UVA and UVB coverage.
Updated: Jul 20, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What is the average May temperature?

The high-temperature, in May, in Clarke City, records 70.9°F (21.6°C), while the low-temperature is 54.1°F (12.3°C).

What is the average humidity in May?

In May, the average relative humidity is 76%.

What is the rainiest month?

The month with the most rainfall is May, when the rain falls for 17.1 days and typically aggregates up to 2.91" (74mm) of precipitation.

How many days does it rain in May?

In Clarke City, during May, the rain falls for 17.1 days and regularly aggregates up to 2.91" (74mm) of precipitation.

When it does not snow?

In Clarke City, 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.

What is the average length of the day in May?

In May, the average day length is 14h and 31min.

When are sunrise and sunset in May?

On the first day of May, sunrise is at 5:49 am and sunset at 7:50 pm. On the last day of the month, sunrise is at 5:22 am and sunset at 8:18 pm CDT.

How long on average sun shines in May?

In May, the average sunshine duration is 8.9h.

How high is the UV index in May?

In Clarke City, the average daily maximum UV index in May is 5. A UV Index of 3 to 5 symbolizes a medium health risk from unsafe 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
Clarke City, IL

Average temperature in May - Clarke City, IL
  • Average high temperature in May: 70.9°F

The warmest month (with the highest average high temperature) is July (81.1°F).
The month with the lowest average high temperature is January (29.8°F).

  • Average low temperature in May: 54.1°F

The month with the highest average low temperature is July (64.4°F).
The coldest month (with the lowest average low temperature) is January (18°F).

Average pressure in May
Clarke City, IL

Average pressure in May - Clarke City, IL
  • Average pressure in May: 29.96"Hg

The month with the highest atmospheric pressure is January (30.12"Hg).
The month with the lowest atmospheric pressure is June (29.92"Hg).

Average wind speed in May
Clarke City, IL

Average wind speed in May - Clarke City, IL
  • Average wind speed in May: 8.6mph

The windiest months (with the highest average wind speed) are January and April (10.1mph).
The calmest month (with the lowest average wind speed) is August (6mph).

Average humidity in May
Clarke City, IL

Average humidity in May - Clarke City, IL
  • Average humidity in May: 76%

The month with the highest relative humidity is July (84%).
The month with the lowest relative humidity is October (72%).

Average rainfall in May
Clarke City, IL

Average rainfall in May - Clarke City, IL
  • Average rainfall in May: 2.91"

The wettest month (with the highest rainfall) is May (2.91").
The driest month (with the least rainfall) is February (0.98").

Average rainfall days in May
Clarke City, IL

Average rainfall days in May - Clarke City, IL
  • Average rainfall days in May: 17.1 days

The month with the highest number of rainy days is July (17.3 days).
The month with the least rainy days is February (5.1 days).

Average snowfall in May
Clarke City, IL

Average snowfall in May - Clarke City, IL
  • Average snowfall in May: 0"

The month with the highest snowfall is February (2.52").
The months with the least snowfall are May, June, July, August and September (0").

Average snowfall days in May
Clarke City, IL

Average snowfall days in May - Clarke City, IL
  • Average snowfall days in May: 0 days

The month with the highest number of snowfall days is January (11.5 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
Clarke City, IL

Average daylight in May / Average sunshine in May - Clarke City, IL
  • Average daylight in May: 14h and 3min

The month with the longest days is June (Average daylight: 15h and 6min).
The month with the shortest days is December (Average daylight: 9h and 18min).

  • Average sunshine in May: 8h and 5min

The month with the most sunshine is June (Average sunshine: 9h and 54min).
The month with the least sunshine is January (Average sunshine: 3h and 54min).

Average sunshine days in May
Clarke City, IL

Average sunshine days in May - Clarke City, IL
  • Average sunshine days in May: 11 days

The month with the most sunshine days is November (19.3 days).
The month with the least sunshine days is July (9.5 days).

Average UV index in May
Clarke City, IL

Average UV index in May - Clarke City, 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).

Average cloud cover in May
Clarke City, IL

Average cloud cover in May - Clarke City, IL
  • Average cloud cover in May: 41

The month with the most cloud cover is January (Cloud cover 59).
The months with the least cloud cover are August and September (Cloud cover 33).

Average visibility in May
Clarke City, IL

Average visibility in May - Clarke City, IL
  • Average visibility in May: 6mi

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

Clarke City, Illinois, USA

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