May weather forecast
Lake Barrington, IL

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Weather in May

May, the last month of the spring in Lake Barrington, is a comfortable month, with an average temperature varying between 50.2°F (10.1°C) and 66.4°F (19.1°C).

Temperature

With the onset of May, the average high-temperature slightly shifts from April's cool 54.3°F (12.4°C) to a comfortable 66.4°F (19.1°C). During May, an average low-temperature of 50.2°F (10.1°C) is observed.

Humidity

In May, the average relative humidity in Lake Barrington is 77%.

Rainfall

In May, in Lake Barrington, the rain falls for 20 days. Throughout May, 4.06" (103mm) of precipitation is accumulated. Throughout the year, in Lake Barrington, there are 163.1 rainfall days, and 32.24" (819mm) of precipitation is accumulated.

Snowfall

January through May, October through December are months with snowfall in Lake Barrington. May is the last month it regularly snows. During 0.2 snowfall days, in May, Lake Barrington aggregates 0.08" (2mm) of snow. Throughout the year, there are 55.5 snowfall days, and 22.95" (583mm) of snow is accumulated.

Daylight

In Lake Barrington, the average length of the day in May is 14h and 36min.
On the first day of May, sunrise is at 5:46 am and sunset at 7:52 pm. On the last day of the month, sunrise is at 5:18 am and sunset at 8:22 pm CDT.

Sunshine

In May, the average sunshine in Lake Barrington, Illinois, is 8.5h.

UV index

In May, the average daily maximum UV index in Lake Barrington is 5. A UV Index value of 3 to 5 symbolizes a moderate health risk from exposure to the Sun's UV radiation for average individuals.
Note: The average daily UV index of 5 in May transforms into the following instructions:
Ensure safety - Imperative it is to shield skin and eyes from damage. It's recommended to limit sun exposure when its radiation is at its peak during midday. Sunglasses providing both UVA and UVB protection are non-negotiable on sunlit days. Take warning! The intensity of the Sun's UV radiation can be nearly amplified twice due to snow reflection.
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Frequently asked questions

What are the temperatures in Lake Barrington in May?

The high-temperature, in May, in Lake Barrington, is 66.4°F (19.1°C), while the low-temperature averages to 50.2°F (10.1°C).

What is the average humidity in May in Lake Barrington?

In Lake Barrington, the average relative humidity in May is 77%.

How much does it rain in Lake Barrington in May?

In Lake Barrington, during May, the rain falls for 20 days and regularly aggregates up to 4.06" (103mm) of precipitation.

What is the last month it snows in Lake Barrington?

May is the last month it regularly snows in Lake Barrington. During 0.2 snowfall days, in May, Lake Barrington aggregates 0.08" (2mm) of snow.

How many hours of daylight does Lake Barrington have in May?

The average day length in May in Lake Barrington, Illinois, is 14h and 36min.

What time are sunrise and sunset in May in Lake Barrington?

In May, on the first day of the month, sunrise is at 5:46 am and sunset at 7:52 pm. On the last day of the month, in Lake Barrington, sunrise is at 5:18 am and sunset at 8:22 pm CDT.

How long on average sun shines in May in Lake Barrington?

In May, the average sunshine duration in Lake Barrington is 8.5h.

What is the UV index reading in May in Lake Barrington?

The average daily maximum UV index in May is 5. A UV Index reading of 3 to 5 represents a medium hazard to health 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
Lake Barrington, IL

Average temperature in May - Lake Barrington, IL
  • Average high temperature in May: 66.4°F

The warmest month (with the highest average high temperature) is July (80.6°F).
The month with the lowest average high temperature is January (27.7°F).

  • Average low temperature in May: 50.2°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 (16.3°F).

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Average pressure in May
Lake Barrington, IL

Average pressure in May - Lake Barrington, 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
Lake Barrington, IL

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

The windiest month (with the highest average wind speed) is January (10.1mph).
The calmest month (with the lowest average wind speed) is August (6.2mph).

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Average humidity in May
Lake Barrington, IL

Average humidity in May - Lake Barrington, IL
  • Average humidity in May: 77%

The months with the highest relative humidity are January and February (83%).
The month with the lowest relative humidity is October (74%).

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Average rainfall in May
Lake Barrington, IL

Average rainfall in May - Lake Barrington, IL
  • Average rainfall in May: 4.06"

The wettest month (with the highest rainfall) is June (4.13").
The driest month (with the least rainfall) is November (1.61").

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Average rainfall days in May
Lake Barrington, IL

Average rainfall days in May - Lake Barrington, IL
  • Average rainfall days in May: 20 days

The month with the highest number of rainy days is May (20 days).
The month with the least rainy days is February (5.7 days).

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Average snowfall in May
Lake Barrington, IL

Average snowfall in May - Lake Barrington, IL
  • Average snowfall in May: 0.08"

The month with the highest snowfall is February (6.22").
The months with the least snowfall are June, July, August and September (0").

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Average snowfall days in May
Lake Barrington, IL

Average snowfall days in May - Lake Barrington, IL
  • Average snowfall days in May: 0.2 days

The month with the highest number of snowfall days is January (15.5 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
Lake Barrington, IL

Average daylight in May / Average sunshine in May - Lake Barrington, 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 3min

The months with the most sunshine are July and August (Average sunshine: 10h and 6min).
The month with the least sunshine is January (Average sunshine: 3h and 42min).

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Average sunshine days in May
Lake Barrington, IL

Average sunshine days in May - Lake Barrington, IL
  • Average sunshine days in May: 8.5 days

The month with the most sunshine days is November (15.5 days).
The month with the least sunshine days is June (8.4 days).

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Average UV index in May
Lake Barrington, IL

Average UV index in May - Lake Barrington, IL
  • Average UV index in May: 5

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
Lake Barrington, IL

Average cloud cover in May - Lake Barrington, IL
  • Average cloud cover in May: 43

The month with the most cloud cover is January (Cloud cover 61).
The months with the least cloud cover are July, August and September (Cloud cover 31).

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Average visibility in May
Lake Barrington, IL

Average visibility in May - Lake Barrington, 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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Lake Barrington, Illinois, USA

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