May weather forecast
Gurnee, IL

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Weather in May

May, the last month of the spring in Gurnee, is a refreshing month, with an average temperature ranging between max 61.3°F (16.3°C) and min 48.6°F (9.2°C).

Temperature

With the onset of May, Gurnee sees a temperature rise, with the average high-temperature moving from April's fresh 50.7°F (10.4°C) to a refreshing 61.3°F (16.3°C). Gurnee encounters a steady low-temperature average of 48.6°F (9.2°C) throughout the month of May.

Humidity

In May, the average relative humidity is 80%.

Rainfall

In May, the rain falls for 16 days. Throughout May, 2.48" (63mm) of precipitation is accumulated. In Gurnee, during the entire year, the rain falls for 142.5 days and collects up to 21.5" (546mm) of precipitation.

Snowfall

May through September are months without snowfall.

Daylight

The average length of the day in May in Gurnee is 14h and 37min.
On the first day of the month, sunrise is at 5:45 am and sunset at 7:51 pm. On the last day of May, sunrise is at 5:17 am and sunset at 8:21 pm CDT.

Sunshine

In May, the average sunshine in Gurnee is 8.7h.

UV index

In May, the average daily maximum UV index in Gurnee is 4. A UV Index value of 3 to 5 symbolizes a medium vulnerability from unprotected exposure to Sun's UV rays for average individuals.
Note: The maximum daily UV index, 4 in May, converts into the following recommendations:
Take precautions - Protection against sunburn is recommended. Avoid the Sun's strongest UV rays by seeking shade and limiting exposure during midday. Using UVA and UVB-protective sunglasses and sun-protective clothing is effective against UV radiation. Stay alert! Snow's reflective properties can almost double the UV radiation from the Sun.
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Frequently asked questions

What is the temperature in May in Gurnee?

In May, in Gurnee, the average high-temperature is 61.3°F (16.3°C), and the average low-temperature is 48.6°F (9.2°C).

What is the average humidity in May in Gurnee?

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

How many days does it rain in May in Gurnee?

In Gurnee, in May, it is raining for 16 days, with typically 2.48" (63mm) of accumulated precipitation.

When it does not snow in Gurnee?

May through September are months without snowfall in Gurnee.

Does it snow in Gurnee in May?

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

How many hours of daylight does Gurnee have in May?

In Gurnee, Illinois, the average day length in May is 14h and 37min.

What time are sunrise and sunset in May in Gurnee?

On the first day of May in Gurnee, sunrise is at 5:45 am and sunset at 7:51 pm. On the last day of the month, sunrise is at 5:17 am and sunset at 8:21 pm CDT.

How many hours of sunshine does Gurnee have in May?

In May, the average sunshine duration in Gurnee, Illinois, is 8.7h.

What is the UV index reading in May in Gurnee?

The average daily maximum UV index in May in Gurnee is 4. A UV Index of 3 to 5 symbolizes 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
Gurnee, IL

Average temperature in May - Gurnee, IL
  • Average high temperature in May: 61.3°F

The warmest month (with the highest average high temperature) is July (77.5°F).
The month with the lowest average high temperature is January (27.9°F).

  • Average low temperature in May: 48.6°F

The month with the highest average low temperature is July (65.3°F).
The coldest month (with the lowest average low temperature) is January (18.3°F).

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Average pressure in May
Gurnee, IL

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

The month with the highest atmospheric pressure is January (30.1"Hg).
The month with the lowest atmospheric pressure is June (29.92"Hg).

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Average wind speed in May
Gurnee, IL

Average wind speed in May - Gurnee, IL
  • Average wind speed in May: 9.2mph

The windiest month (with the highest average wind speed) is January (11.9mph).
The calmest month (with the lowest average wind speed) is August (7.3mph).

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Average humidity in May
Gurnee, IL

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

The month with the highest relative humidity is January (83%).
The months with the lowest relative humidity are October and November (75%).

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Average rainfall in May
Gurnee, IL

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

The wettest months (with the highest rainfall) are June and August (2.68").
The driest month (with the least rainfall) is December (0.91").

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Average rainfall days in May
Gurnee, IL

Average rainfall days in May - Gurnee, IL
  • Average rainfall days in May: 16 days

The month with the highest number of rainy days is July (17 days).
The month with the least rainy days is February (5.2 days).

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Average snowfall in May
Gurnee, IL

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

The month with the highest snowfall is February (2.6").
The months with the least snowfall are May, June, July, August and September (0").

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Average snowfall days in May
Gurnee, IL

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

The month with the highest number of snowfall days is January (12.4 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
Gurnee, IL

Average daylight in May / Average sunshine in May - Gurnee, 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 6min).

  • Average sunshine in May: 8h and 4min

The months with the most sunshine are July and August (Average sunshine: 10h and 30min).
The month with the least sunshine is January (Average sunshine: 3h and 42min).

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Average sunshine days in May
Gurnee, IL

Average sunshine days in May - Gurnee, IL
  • Average sunshine days in May: 12.2 days

The month with the most sunshine days is November (16.5 days).
The month with the least sunshine days is July (10.8 days).

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Average UV index in May
Gurnee, IL

Average UV index in May - Gurnee, IL
  • Average UV index in May: 4

The months with the highest UV index are 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
Gurnee, IL

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

The month with the most cloud cover is January (Cloud cover 61).
The month with the least cloud cover is August (Cloud cover 27).

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Average visibility in May
Gurnee, IL

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

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