May weather forecast
Manteno, IL

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Weather in May

The last month of the spring, May, is a pleasant month in Manteno, Illinois, with an average temperature varying between 53.2°F (11.8°C) and 70.3°F (21.3°C).

Temperature

With the transition into May, Manteno experiences an increase in average high-temperatures, moving up from a mild 58.3°F (14.6°C) in April to a pleasant 70.3°F (21.3°C). An average nighttime temperature of 53.2°F (11.8°C) is witnessed throughout May.

Humidity

The average relative humidity in May in Manteno, Illinois, is 76%.

Rainfall

The month with the most rainfall in Manteno is May, when the rain falls for 14.2 days and typically aggregates up to 1.77" (45mm) of precipitation.

Snowfall

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

Daylight

In May, the average length of the day is 14h and 31min.
On the first day of May in Manteno, Illinois, sunrise is at 5:47 am and sunset at 7:49 pm. On the last day of the month, sunrise is at 5:20 am and sunset at 8:17 pm CDT.

Sunshine

In Manteno, the average sunshine in May is 8.8h.

UV index

In Manteno, the average daily maximum UV index in May is 5. A UV Index value of 3 to 5 symbolizes a moderate health risk from exposure to the Sun's UV rays for average individuals.
Note: A maximum high UV index of 5 in May translates into the following recommendations:
Be mindful. Individuals with a lighter skin tone may suffer burns in less than 30 minutes. When the Sun is at its strongest around midday, find shade and limit exposure. Combat UV radiation's detrimental effects with sun-safe clothing and UV-blocking eyewear.
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Frequently asked questions

What is the usual temperature for Manteno in May?

During May, Manteno experiences an average high-temperature of 70.3°F (21.3°C) and a low-temperature of 53.2°F (11.8°C).

What is the average humidity in May in Manteno?

The average relative humidity in May is 76%.

What is the rainiest month in Manteno?

May is the month with the most rainfall in Manteno, Illinois. Rain falls for 14.2 days and accumulates 1.77" (45mm) of precipitation.

How much does it rain in Manteno in May?

In May, in Manteno, Illinois, the rain falls for 14.2 days. Throughout May, 1.77" (45mm) of precipitation is accumulated.

When it does not snow in Manteno?

May through September are months without snowfall in Manteno.

Does it snow in Manteno in May?

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

How many hours of daylight does Manteno have in May?

The average day length in May in Manteno, Illinois, is 14h and 31min.

What time are sunrise and sunset in May in Manteno?

In May, on the first day of the month, sunrise is at 5:47 am and sunset at 7:49 pm. On the last day of the month, in Manteno, sunrise is at 5:20 am and sunset at 8:17 pm CDT.

How many hours of sunshine does Manteno have in May?

In May, the average sunshine duration is 8.8h.

How high is the UV index in May in Manteno?

In Manteno, Illinois, the average daily maximum UV index in May is 5. A UV Index reading of 3 to 5 represents a moderate vulnerability 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
Manteno, IL

Average temperature in May - Manteno, IL
  • Average high temperature in May: 70.3°F

The warmest month (with the highest average high temperature) is July (81.3°F).
The month with the lowest average high temperature is January (29.7°F).

  • Average low temperature in May: 53.2°F

The month with the highest average low temperature is July (64.8°F).
The coldest month (with the lowest average low temperature) is January (18.3°F).

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Average pressure in May
Manteno, IL

Average pressure in May - Manteno, 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).

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Average wind speed in May
Manteno, IL

Average wind speed in May - Manteno, IL
  • Average wind speed in May: 8.3mph

The windiest month (with the highest average wind speed) is January (9.9mph).
The calmest month (with the lowest average wind speed) is August (6mph).

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Average humidity in May
Manteno, IL

Average humidity in May - Manteno, IL
  • Average humidity in May: 76%

The month with the highest relative humidity is February (83%).
The month with the lowest relative humidity is October (73%).

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Average rainfall in May
Manteno, IL

Average rainfall in May - Manteno, IL
  • Average rainfall in May: 1.77"

The wettest month (with the highest rainfall) is May (1.77").
The driest month (with the least rainfall) is February (0.55").

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Average rainfall days in May
Manteno, IL

Average rainfall days in May - Manteno, IL
  • Average rainfall days in May: 14.2 days

The month with the highest number of rainy days is May (14.2 days).
The month with the least rainy days is February (4.4 days).

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Average snowfall in May
Manteno, IL

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

The month with the highest snowfall is January (1.34").
The months with the least snowfall are May, June, July, August and September (0").

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Average snowfall days in May
Manteno, IL

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

The month with the highest number of snowfall days is January (10.2 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
Manteno, IL

Average daylight in May / Average sunshine in May - Manteno, 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 August (Average sunshine: 9h and 54min).
The month with the least sunshine is January (Average sunshine: 3h and 42min).

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Average sunshine days in May
Manteno, IL

Average sunshine days in May - Manteno, IL
  • Average sunshine days in May: 13.3 days

The month with the most sunshine days is November (20.8 days).
The months with the least sunshine days are June and July (12.2 days).

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Average UV index in May
Manteno, IL

Average UV index in May - Manteno, 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
Manteno, IL

Average cloud cover in May - Manteno, IL
  • Average cloud cover in May: 41

The month with the most cloud cover is January (Cloud cover 60).
The month with the least cloud cover is August (Cloud cover 32).

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Average visibility in May
Manteno, IL

Average visibility in May - Manteno, IL
  • Average visibility in May: 6mi

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

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Manteno, Illinois, USA

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