May weather forecast
Itasca, IL

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Weather in May

The last month of the spring, May, is an enjoyable month in Itasca, Illinois, with temperature in the range of an average low of 51.4°F (10.8°C) and an average high of 67.5°F (19.7°C).

Temperature

May brings a rise in Itasca's average high-temperature, moving from a mild 55.6°F (13.1°C) in April to a comfortable 67.5°F (19.7°C). May generally records an average low-temperature of 51.4°F (10.8°C).

Humidity

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

Rainfall

May is the month with the most rainfall in Itasca. Rain falls for 17.7 days and accumulates 3.11" (79mm) of precipitation.

Snowfall

January through May, October through December are months with snowfall in Itasca. May is the last month it regularly snows. During 0.1 snowfall days, in May, Itasca aggregates 0.04" (1mm) of snow. In Itasca, Illinois, during the entire year, snow falls for 48.9 days and aggregates up to 15.47" (393mm) of snow.

Daylight

The average length of the day in May is 14h and 35min.
On the first day of the month, sunrise is at 5:46 am and sunset at 7:51 pm. On the last day of May, sunrise is at 5:19 am and sunset at 8:20 pm CDT.

Sunshine

In May, the average sunshine is 8.3h.

UV index

In May, the average daily maximum UV index in Itasca, Illinois, is 5. A UV Index reading of 3 to 5 represents a moderate threat to health from unsafe exposure to UV radiation for ordinary individuals.
Note: In May, the average maximum UV index of 5 translates into the following recommendations:
Make use of precautions - Shielding skin and eyes from injury is a requirement. The Sun's UV radiation is especially harmful around midday, so reduce exposure and stay safe. Tightly woven clothing, when worn loosely, shields effectively against the Sun. Consider this! The reflection from snow can almost double the intensity of the Sun's UV radiation.
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Frequently asked questions

What is the average May temperature in Itasca?

Itasca in May has an average high-temperature of 67.5°F (19.7°C) and an average low-temperature of 51.4°F (10.8°C).

What is the average humidity in May in Itasca?

In Itasca, the average relative humidity in May is 76%.

What is the wettest month in Itasca?

May is the month with the most rainfall in Itasca, Illinois. Rain falls for 17.7 days and accumulates 3.11" (79mm) of precipitation.

How many days does it rain in May in Itasca?

In May, in Itasca, Illinois, the rain falls for 17.7 days. Throughout May, 3.11" (79mm) of precipitation is accumulated.

What is the last month it snows in Itasca?

May is the last month it regularly snows in Itasca, Illinois. During 0.1 snowfall days, in May, Itasca aggregates 0.04" (1mm) of snow.

What is the average length of the day in May in Itasca?

In May, the average day length in Itasca is 14h and 35min.

When are sunrise and sunset in May in Itasca?

On the first day of May, sunrise is at 5:46 am and sunset at 7:51 pm. On the last day of the month, sunrise is at 5:19 am and sunset at 8:20 pm CDT.

How long on average sun shines in May in Itasca?

The average sunshine duration in May in Itasca, Illinois, is 8.3h.

What is the UV index reading in May in Itasca?

In May, the average daily maximum UV index in Itasca is 5. A UV Index of 3 to 5 symbolizes a moderate vulnerability from unprotected exposure to UV radiation.
Average humidity
Average rainfall days
Average snowfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in May
Itasca, IL

Average temperature in May - Itasca, IL
  • Average high temperature in May: 67.5°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 (27.9°F).

  • Average low temperature in May: 51.4°F

The month with the highest average low temperature is July (65.7°F).
The coldest month (with the lowest average low temperature) is January (16.5°F).

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Average pressure in May
Itasca, IL

Average pressure in May - Itasca, IL
  • Average pressure in May: 29.96"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
Itasca, IL

Average wind speed in May - Itasca, IL
  • Average wind speed in May: 8.2mph

The windiest month (with the highest average wind speed) is January (9.9mph).
The calmest month (with the lowest average wind speed) is August (6.2mph).

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Average humidity in May
Itasca, IL

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

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

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Average rainfall in May
Itasca, IL

Average rainfall in May - Itasca, IL
  • Average rainfall in May: 3.11"

The wettest month (with the highest rainfall) is May (3.11").
The driest month (with the least rainfall) is December (1.14").

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Average rainfall days in May
Itasca, IL

Average rainfall days in May - Itasca, IL
  • Average rainfall days in May: 17.7 days

The month with the highest number of rainy days is July (17.8 days).
The month with the least rainy days is February (4.9 days).

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Average snowfall in May
Itasca, IL

Average snowfall in May - Itasca, IL
  • Average snowfall in May: 0.04"

The month with the highest snowfall is February (4.02").
The months with the least snowfall are June, July, August and September (0").

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Average snowfall days in May
Itasca, IL

Average snowfall days in May - Itasca, IL
  • Average snowfall days in May: 0.1 days

The month with the highest number of snowfall days is January (13.1 days).
The months with the least snowfall days are June, July, August and September (0 days).

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

Average daylight in May / Average sunshine in May - Itasca, IL
  • Average daylight in May: 14h and 4min

The month with the longest days is June (Average daylight: 15h and 12min).
The month with the shortest days is December (Average daylight: 9h and 12min).

  • Average sunshine in May: 8h and 2min

The month with the most sunshine is July (Average sunshine: 10h and 0min).
The month with the least sunshine is January (Average sunshine: 3h and 36min).

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Average sunshine days in May
Itasca, IL

Average sunshine days in May - Itasca, IL
  • Average sunshine days in May: 10.8 days

The month with the most sunshine days is November (17.2 days).
The month with the least sunshine days is July (10.2 days).

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Average UV index in May
Itasca, IL

Average UV index in May - Itasca, IL
  • Average UV index in May: 5

The months with the highest UV index are June, July and August (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
Itasca, IL

Average cloud cover in May - Itasca, IL
  • Average cloud cover in May: 44

The month with the most cloud cover is January (Cloud cover 62).
The months with the least cloud cover are July, August and September (Cloud cover 33).

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Average visibility in May
Itasca, IL

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

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

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Itasca, Illinois, USA

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