May weather forecast
Morton, IL

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Weather in May

The last month of the spring, May, is an agreeable month in Morton, Illinois, with temperature in the range of an average low of 55.2°F (12.9°C) and an average high of 71.8°F (22.1°C).

Temperature

As April transitions into May, Morton sees a rise in the average high-temperature, moving from a mild 60.6°F (15.9°C) to a pleasant 71.8°F (22.1°C). Morton experiences an average low-temperature reading of 55.2°F (12.9°C) throughout May.

Humidity

The average relative humidity in May is 77%.

Rainfall

May is the month with the most rainfall. Rain falls for 17.2 days and accumulates 2.48" (63mm) of precipitation.

Snowfall

In Morton, snow does not fall in May through October.

Daylight

The average length of the day in May in Morton is 14h and 28min.
On the first day of May in Morton, sunrise is at 5:55 am and sunset at 7:54 pm. On the last day of the month, sunrise is at 5:29 am and sunset at 8:22 pm CDT.

Sunshine

In Morton, the average sunshine in May is 9h.

UV index

In Morton, the average daily maximum UV index in May is 5. A UV Index reading of 3 to 5 represents a medium health hazard from unprotected exposure to Sun's UV rays for ordinary individuals.
Note: In May, the maximum UV index of 5 translates into these guidelines:
Take precautions. Light skin individuals may get burned in less than 30 minutes. Exposing oneself to the midday Sun can be harmful due to the strong UV radiation; limit your time outside. It's wise to wear UVA and UVB-blocking sunglasses when the sun shines brightly.
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Frequently asked questions

What are May temperatures in Morton?

An average high-temperature, in May, in Morton, is 71.8°F (22.1°C) and the average low-temperature is 55.2°F (12.9°C).

What is the average humidity in May in Morton?

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

What is the wettest month in Morton?

The month with the most rainfall in Morton, Illinois, is May, when the rain falls for 17.2 days and typically aggregates up to 2.48" (63mm) of precipitation.

How much does it rain in Morton in May?

In Morton, Illinois, in May, during 17.2 rainfall days, 2.48" (63mm) of precipitation is typically accumulated.

When it does not snow in Morton?

In Morton, snow does not fall in May through October.

Does it snow in Morton 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 Morton?

In Morton, Illinois, the average day length in May is 14h and 28min.

When are sunrise and sunset in May in Morton?

On the first day of May in Morton, Illinois, sunrise is at 5:55 am and sunset at 7:54 pm. On the last day of the month, sunrise is at 5:29 am and sunset at 8:22 pm CDT.

How many hours of sunshine does Morton have in May?

The average sunshine duration in May is 9h.

What is the UV index intensity in May in Morton?

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

Average temperature in May - Morton, IL
  • Average high temperature in May: 71.8°F

The warmest month (with the highest average high temperature) is July (81.9°F).
The month with the lowest average high temperature is January (31.1°F).

  • Average low temperature in May: 55.2°F

The month with the highest average low temperature is July (64.9°F).
The coldest month (with the lowest average low temperature) is January (18.9°F).

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Average pressure in May
Morton, IL

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

The month with the highest atmospheric pressure is January (30.14"Hg).
The month with the lowest atmospheric pressure is June (29.91"Hg).

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Average wind speed in May
Morton, IL

Average wind speed in May - Morton, IL
  • Average wind speed in May: 8.9mph

The windiest month (with the highest average wind speed) is April (10.6mph).
The calmest month (with the lowest average wind speed) is August (6.5mph).

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Average humidity in May
Morton, IL

Average humidity in May - Morton, IL
  • Average humidity in May: 77%

The month with the highest relative humidity is July (84%).
The month with the lowest relative humidity is October (71%).

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Average rainfall in May
Morton, IL

Average rainfall in May - Morton, IL
  • Average rainfall in May: 2.48"

The wettest month (with the highest rainfall) is May (2.48").
The driest months (with the least rainfall) are February and December (0.83").

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Average rainfall days in May
Morton, IL

Average rainfall days in May - Morton, IL
  • Average rainfall days in May: 17.2 days

The month with the highest number of rainy days is May (17.2 days).
The month with the least rainy days is February (4.8 days).

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Average snowfall in May
Morton, IL

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

The month with the highest snowfall is January (2.24").
The months with the least snowfall are May, June, July, August, September and October (0").

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Average snowfall days in May
Morton, IL

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

The month with the highest number of snowfall days is January (8.7 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
Morton, IL

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

The month with the longest days is June (Average daylight: 15h and 0min).
The month with the shortest days is December (Average daylight: 9h and 18min).

  • Average sunshine in May: 9h and 0min

The month with the most sunshine is June (Average sunshine: 10h and 6min).
The month with the least sunshine is January (Average sunshine: 3h and 54min).

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Average sunshine days in May
Morton, IL

Average sunshine days in May - Morton, IL
  • Average sunshine days in May: 11.4 days

The month with the most sunshine days is December (19.7 days).
The month with the least sunshine days is May (11.4 days).

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Average UV index in May
Morton, IL

Average UV index in May - Morton, 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, February, November and December (UV index 2).

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Average cloud cover in May
Morton, IL

Average cloud cover in May - Morton, IL
  • Average cloud cover in May: 40

The month with the most cloud cover is January (Cloud cover 58).
The month with the least cloud cover is September (Cloud cover 30).

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Average visibility in May
Morton, IL

Average visibility in May - Morton, 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).

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Morton, Illinois, USA

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