May weather forecast
Calumet City, IL

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Weather in May

The last month of the spring, May, is an enjoyable month in Calumet City, Illinois, with an average temperature ranging between min 51.8°F (11°C) and max 65.7°F (18.7°C).

Temperature

Calumet City in May shows a temperature shift, moving from an average high of a fresh 54.9°F (12.7°C) in April to a refreshing 65.7°F (18.7°C). Calumet City reports an average nighttime low-temperature of 51.8°F (11°C) in May.

Humidity

In May, the average relative humidity in Calumet City is 77%.

Rainfall

The months with the most rainfall are May and June, with an average 1.38" (35mm) of precipitation.

Snowfall

May through September are months without snowfall.

Daylight

In Calumet City, Illinois, the average length of the day in May is 14h and 33min.
On the first day of the month, sunrise is at 5:45 am and sunset at 7:48 pm. On the last day of May, sunrise is at 5:18 am and sunset at 8:17 pm CDT.

Sunshine

In May, the average sunshine in Calumet City is 8.7h.

UV index

The average daily maximum UV index in May is 5. A UV Index value of 3 to 5 symbolizes a moderate threat to health from unprotected exposure to Sun's UV rays for average individuals.
Note: The daily high UV index of 5 in May translates into this advice:
Be careful. Light complexion individuals might get burns in fewer than 30 minutes. To protect against the Sun's most potent rays, avoid direct exposure around midday. A wide-brimmed hat is a shield, deflecting up to 50% of harmful UV radiation from eyes.
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Frequently asked questions

What is the temperature in May in Calumet City?

The average high-temperature, in May, in Calumet City, is 65.7°F (18.7°C), while the average low-temperature is 51.8°F (11°C).

What is the average humidity in May in Calumet City?

In Calumet City, Illinois, the average relative humidity in May is 77%.

What is the wettest month in Calumet City?

The wettest months in Calumet City, Illinois, are May and June, with an average 1.38" (35mm) of rainfall.

How much does it rain in Calumet City in May?

In Calumet City, in May, it is raining for 13.1 days, with typically 1.38" (35mm) of accumulated precipitation.

When it does not snow in Calumet City?

May through September are months without snowfall in Calumet City.

Does it snow in Calumet City in May?

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

What is the average length of the day in May in Calumet City?

The average day length in May is 14h and 33min.

When is the sunrise / sunset in May in Calumet City?

In May, on the first day of the month, sunrise is at 5:45 am and sunset at 7:48 pm. On the last day of the month, in Calumet City, Illinois, sunrise is at 5:18 am and sunset at 8:17 pm CDT.

How many hours of sunshine does Calumet City have in May?

In Calumet City, the average sunshine duration in May is 8.7h.

What is the UV index intensity in May in Calumet City?

In Calumet City, Illinois, the average daily maximum UV index in May is 5. A UV Index reading 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
Calumet City, IL

Average temperature in May - Calumet City, IL
  • Average high temperature in May: 65.7°F

The warmest month (with the highest average high temperature) is July (80.1°F).
The month with the lowest average high temperature is January (29.8°F).

  • Average low temperature in May: 51.8°F

The month with the highest average low temperature is July (66.9°F).
The coldest month (with the lowest average low temperature) is January (19.6°F).

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Average pressure in May
Calumet City, IL

Average pressure in May - Calumet City, IL
  • Average pressure in May: 29.97"Hg

The month with the highest atmospheric pressure is January (30.11"Hg).
The month with the lowest atmospheric pressure is June (29.92"Hg).

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Average wind speed in May
Calumet City, IL

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

The windiest month (with the highest average wind speed) is January (11mph).
The calmest months (with the lowest average wind speed) are July and August (6.8mph).

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Average humidity in May
Calumet City, IL

Average humidity in May - Calumet City, IL
  • Average humidity in May: 77%

The months with the highest relative humidity are January and February (82%).
The month with the lowest relative humidity is October (72%).

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Average rainfall in May
Calumet City, IL

Average rainfall in May - Calumet City, IL
  • Average rainfall in May: 1.38"

The wettest months (with the highest rainfall) are May and June (1.38").
The driest months (with the least rainfall) are February and December (0.47").

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Average rainfall days in May
Calumet City, IL

Average rainfall days in May - Calumet City, IL
  • Average rainfall days in May: 13.1 days

The month with the highest number of rainy days is July (14 days).
The month with the least rainy days is February (4.1 days).

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Average snowfall in May
Calumet City, IL

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

The month with the highest snowfall is January (1.1").
The months with the least snowfall are May, June, July, August and September (0").

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Average snowfall days in May
Calumet City, IL

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

The month with the highest number of snowfall days is January (9.3 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
Calumet City, IL

Average daylight in May / Average sunshine in May - Calumet 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 12min).

  • Average sunshine in May: 8h and 4min

The month with the most sunshine is August (Average sunshine: 10h and 24min).
The month with the least sunshine is January (Average sunshine: 3h and 36min).

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Average sunshine days in May
Calumet City, IL

Average sunshine days in May - Calumet City, IL
  • Average sunshine days in May: 14.3 days

The month with the most sunshine days is December (19.8 days).
The month with the least sunshine days is June (13.1 days).

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Average UV index in May
Calumet City, IL

Average UV index in May - Calumet City, IL
  • Average UV index in May: 5

The months with the highest UV index are June, July and August (UV index 6).
The month with the lowest UV index is December (UV index 1).

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Average cloud cover in May
Calumet City, IL

Average cloud cover in May - Calumet City, IL
  • Average cloud cover in May: 42

The month with the most cloud cover is January (Cloud cover 62).
The month with the least cloud cover is August (Cloud cover 28).

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Average visibility in May
Calumet City, IL

Average visibility in May - Calumet City, 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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Calumet City, Illinois, USA

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