May weather forecast
Keensburg, IL

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Weather in May

May, the last month of the spring in Keensburg, is a moderately hot month, with an average temperature varying between 58.1°F (14.5°C) and 74.3°F (23.5°C).

Temperature

A rise in the average high-temperature is observed during May, moving from a comfortable 64.9°F (18.3°C) in April to a warm 74.3°F (23.5°C). Throughout the May nights, Keensburg encounters a low-temperature of 58.1°F (14.5°C).

Humidity

The months with the highest humidity in Keensburg are May and July, with an average relative humidity of 80%.

Rainfall

In May, the rain falls for 18.3 days. Throughout May, 3.5" (89mm) of precipitation is accumulated. Throughout the year, there are 155.6 rainfall days, and 34.65" (880mm) of precipitation is accumulated.

Snowfall

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

Daylight

In Keensburg, the average length of the day in May is 14h and 16min.
On the first day of May, sunrise is at 5:53 am and sunset at 7:43 pm. On the last day of the month, sunrise is at 5:29 am and sunset at 8:09 pm CDT.

Sunshine

In May, the average sunshine is 9.2h.

UV index

The months with the highest UV index in Keensburg are May through August, with an average maximum UV index of 6. A UV Index reading of 6 to 7 represents a high health vulnerability from exposure to the Sun's UV radiation for the ordinary person.
Note: The maximum UV index, 6 during May, leads to the following recommendations:
Apply measures and align with sun safety principles. Safeguarding against skin and eye injury is pivotal. The Sun's UV radiation is most intense from 10 a.m. to 4 p.m. Try to avoid direct sun exposure during these hours. Sunglasses that guard against UVA and UVB rays are pivotal in minimizing sun-induced ocular damage.
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Frequently asked questions

What is the temperature in May in Keensburg?

In Keensburg, 74.3°F (23.5°C) is the average high-temperature and 58.1°F (14.5°C) is the average low-temperature during May.

What is the most humid month in Keensburg?

May and July, with an average relative humidity of 80%, are most humid months.

What is the average humidity in May in Keensburg?

The average relative humidity in May in Keensburg is 80%.

How many days does it rain in May in Keensburg?

In Keensburg, during May, the rain falls for 18.3 days and regularly aggregates up to 3.5" (89mm) of precipitation.

When it does not snow in Keensburg?

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

Does it snow in Keensburg in May?

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

How many hours of daylight does Keensburg have in May?

In Keensburg, the average day length in May is 14h and 16min.

What time are sunrise and sunset in May in Keensburg?

In May, on the first day of the month, sunrise is at 5:53 am and sunset at 7:43 pm. On the last day of the month, sunrise is at 5:29 am and sunset at 8:09 pm CDT.

How long on average sun shines in May in Keensburg?

In May, the average sunshine duration in Keensburg is 9.2h.

What is the month with the highest UV index in Keensburg?

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

What is the UV index intensity in May in Keensburg?

The average daily maximum UV index in May is 6. A UV Index value of 6 to 7 symbolizes a high health vulnerability from unprotected exposure to UV radiation.
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
Keensburg, IL

Average temperature in May - Keensburg, IL
  • Average high temperature in May: 74.3°F

The warmest month (with the highest average high temperature) is July (84.7°F).
The month with the lowest average high temperature is January (37.9°F).

  • Average low temperature in May: 58.1°F

The month with the highest average low temperature is July (67.5°F).
The coldest month (with the lowest average low temperature) is January (24.8°F).

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Average pressure in May
Keensburg, IL

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

The month with the highest atmospheric pressure is January (30.16"Hg).
The month with the lowest atmospheric pressure is June (29.94"Hg).

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Average wind speed in May
Keensburg, IL

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

The windiest month (with the highest average wind speed) is February (10.1mph).
The calmest month (with the lowest average wind speed) is July (5.9mph).

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Average humidity in May
Keensburg, IL

Average humidity in May - Keensburg, IL
  • Average humidity in May: 80%

The months with the highest relative humidity are May and July (80%).
The month with the lowest relative humidity is October (70%).

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Average rainfall in May
Keensburg, IL

Average rainfall in May - Keensburg, IL
  • Average rainfall in May: 3.5"

The wettest month (with the highest rainfall) is April (4.72").
The driest month (with the least rainfall) is September (1.85").

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Average rainfall days in May
Keensburg, IL

Average rainfall days in May - Keensburg, IL
  • Average rainfall days in May: 18.3 days

The month with the highest number of rainy days is May (18.3 days).
The month with the least rainy days is January (9.4 days).

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Average snowfall in May
Keensburg, IL

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

The month with the highest snowfall is January (1.46").
The months with the least snowfall are May, June, July, August, September and October (0").

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Average snowfall days in May
Keensburg, IL

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

The month with the highest number of snowfall days is January (6.8 days).
The months with the least snowfall days are May, June, July, August, September and October (0 days).

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Average daylight in May /
Average sunshine in May
Keensburg, IL

Average daylight in May / Average sunshine in May - Keensburg, 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 1min

The month with the most sunshine is June (Average sunshine: 10h and 36min).
The month with the least sunshine is January (Average sunshine: 4h and 18min).

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Average sunshine days in May
Keensburg, IL

Average sunshine days in May - Keensburg, IL
  • Average sunshine days in May: 10.3 days

The month with the most sunshine days is October (18.5 days).
The month with the least sunshine days is May (10.3 days).

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Average UV index in May
Keensburg, IL

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

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Average cloud cover in May
Keensburg, IL

Average cloud cover in May - Keensburg, IL
  • Average cloud cover in May: 39

The month with the most cloud cover is January (Cloud cover 53).
The months with the least cloud cover are June and August (Cloud cover 28).

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Average visibility in May
Keensburg, IL

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

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