May weather forecast
Alorton, IL

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Weather in May

The last month of the spring, May, is a moderately hot month in Alorton, Illinois, with temperature in the range of an average high of 74.8°F (23.8°C) and an average low of 57.7°F (14.3°C).

Temperature

Alorton sees an increase in average high-temperatures during May, moving from a comfortable 65.5°F (18.6°C) in April to a warm 74.8°F (23.8°C). In the month of May, an average of 57.7°F (14.3°C) marks the low-temperature in Alorton.

Humidity

May and July, with an average relative humidity of 78%, are the most humid months.

Rainfall

May is the month with the most rainfall. Rain falls for 17.4 days and accumulates 4.53" (115mm) of precipitation.

Snowfall

In Alorton, snow does not fall in April through October.

Daylight

In May, the average length of the day is 14h and 17min.
On the first day of the month, sunrise is at 6:02 am and sunset at 7:52 pm. On the last day of May, in Alorton, sunrise is at 5:37 am and sunset at 8:18 pm CDT.

Sunshine

The average sunshine in May is 9.5h.

UV index

May through August, with an average maximum UV index of 6, are months with the highest UV index. A UV Index reading of 6 to 7 represents a high health vulnerability from unsafe exposure to UV radiation for average individuals.
Note: In May, the maximum UV index of 6 suggests these recommendations:
Inhibit overexposure. Warding off sun damage is of utmost importance. Avoid direct Sun exposure and seek shade from 10 a.m. to 4 p.m., the period of highest UV radiation. Remember, however, that not all shade structures offer full protection. A wide-brimmed hat provides unparalleled sun protection for sensitive areas like the eyes, ears, and neck.
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Frequently asked questions

What are May temperatures in Alorton?

In May, in Alorton, the average high-temperature is 74.8°F (23.8°C), and the average low-temperature is 57.7°F (14.3°C).

What is the most humid month in Alorton?

The months with the highest humidity are May and July, with an average relative humidity of 78%.

What is the average humidity in May in Alorton?

In May, the average relative humidity is 78%.

What is the rainiest month in Alorton?

May is the month with the most rainfall in Alorton. Rain falls for 17.4 days and accumulates 4.53" (115mm) of precipitation.

How much does it rain in Alorton in May?

In Alorton, Illinois, during May, the rain falls for 17.4 days and regularly aggregates up to 4.53" (115mm) of precipitation.

When it does not snow in Alorton?

In Alorton, Illinois, snow does not fall in April through October.

How many hours of daylight does Alorton have in May?

In Alorton, Illinois, the average day length in May is 14h and 17min.

When is the sunrise / sunset in May in Alorton?

In May, on the first day of the month, sunrise is at 6:02 am and sunset at 7:52 pm. On the last day of the month, in Alorton, sunrise is at 5:37 am and sunset at 8:18 pm CDT.

How many hours of sunshine does Alorton have in May?

In Alorton, the average sunshine duration in May is 9.5h.

What are the months with the highest UV index in Alorton?

May through August, with an average maximum UV index of 6, are months with the highest UV index in Alorton, Illinois.

What is the UV index intensity in May in Alorton?

The average daily maximum UV index in May in Alorton is 6. A UV Index value of 6 to 7 symbolizes a high health 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
Alorton, IL

Average temperature in May - Alorton, IL
  • Average high temperature in May: 74.8°F

The warmest month (with the highest average high temperature) is July (86.4°F).
The month with the lowest average high temperature is January (37.8°F).

  • Average low temperature in May: 57.7°F

The month with the highest average low temperature is July (68.5°F).
The coldest month (with the lowest average low temperature) is January (24.6°F).

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Average pressure in May
Alorton, IL

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

The month with the highest atmospheric pressure is January (30.16"Hg).
The month with the lowest atmospheric pressure is June (29.92"Hg).

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Average wind speed in May
Alorton, IL

Average wind speed in May - Alorton, IL
  • Average wind speed in May: 7.3mph

The windiest month (with the highest average wind speed) is January (9.3mph).
The calmest month (with the lowest average wind speed) is July (5.5mph).

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Average humidity in May
Alorton, IL

Average humidity in May - Alorton, IL
  • Average humidity in May: 78%

The months with the highest relative humidity are May and July (78%).
The month with the lowest relative humidity is October (71%).

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Average rainfall in May
Alorton, IL

Average rainfall in May - Alorton, IL
  • Average rainfall in May: 4.53"

The wettest month (with the highest rainfall) is May (4.53").
The driest month (with the least rainfall) is February (2.01").

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Average rainfall days in May
Alorton, IL

Average rainfall days in May - Alorton, IL
  • Average rainfall days in May: 17.4 days

The month with the highest number of rainy days is May (17.4 days).
The month with the least rainy days is January (7.7 days).

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Average snowfall in May
Alorton, IL

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

The month with the highest snowfall is February (2.44").
The months with the least snowfall are April, May, June, July, August, September and October (0").

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Average snowfall days in May
Alorton, IL

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

The month with the highest number of snowfall days is January (6.4 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
Alorton, IL

Average daylight in May / Average sunshine in May - Alorton, IL
  • Average daylight in May: 14h and 2min

The month with the longest days is June (Average daylight: 14h and 48min).
The month with the shortest days is December (Average daylight: 9h and 30min).

  • Average sunshine in May: 9h and 3min

The months with the most sunshine are June and July (Average sunshine: 10h and 24min).
The month with the least sunshine is January (Average sunshine: 4h and 36min).

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Average sunshine days in May
Alorton, IL

Average sunshine days in May - Alorton, IL
  • Average sunshine days in May: 10.7 days

The month with the most sunshine days is October (18.7 days).
The month with the least sunshine days is May (10.7 days).

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Average UV index in May
Alorton, IL

Average UV index in May - Alorton, IL
  • Average UV index in May: 6

The months with the highest UV index are May, June, July and August (UV index 6).
The months with the lowest UV index are January, February and December (UV index 2).

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Average cloud cover in May
Alorton, IL

Average cloud cover in May - Alorton, IL
  • Average cloud cover in May: 37

The month with the most cloud cover is January (Cloud cover 51).
The month with the least cloud cover is August (Cloud cover 28).

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Average visibility in May
Alorton, IL

Average visibility in May - Alorton, 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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Alorton, Illinois, USA

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