May weather forecast
Barrington Hills, IL

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Weather in May

May, the last month of the spring in Barrington Hills, is a refreshing month, with an average temperature ranging between max 67.1°F (19.5°C) and min 50°F (10°C).

Temperature

May's onset brings a temperature rise, moving from a cool 55°F (12.8°C) in April to a comfortable 67.1°F (19.5°C). Barrington Hills records an average low of 50°F (10°C) throughout the nights in May.

Humidity

The average relative humidity in May is 79%.

Rainfall

In Barrington Hills, in May, it is raining for 15 days, with typically 1.85" (47mm) of accumulated precipitation. In Barrington Hills, during the entire year, the rain falls for 132.8 days and collects up to 15.47" (393mm) of precipitation.

Snowfall

Months with snowfall are January through May, October through December. May is the last month it regularly snows. During 0.1 snowfall days, in May, Barrington Hills aggregates 0.08" (2mm) of snow. Throughout the year, in Barrington Hills, there are 43.2 snowfall days, and 7.4" (188mm) of snow is accumulated.

Daylight

In May, the average length of the day in Barrington Hills is 14h and 36min.
On the first day of May, sunrise is at 5:47 am and sunset at 7:52 pm. On the last day of the month, sunrise is at 5:19 am and sunset at 8:21 pm CDT.

Sunshine

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

UV index

In May, the average daily maximum UV index in Barrington Hills is 5. A UV Index of 3 to 5 symbolizes a medium vulnerability from exposure to the Sun's UV radiation for the average person.
Note: A daily maximum UV index of 5 in May translates into the following instructions:
Undertake protective steps - Recommendations to avoid sunburn are issued. The midday Sun can be harmful due to its potent UV radiation; seek shade and reduce exposure. Opt for tightly woven and loose clothing to enhance protection from the Sun. Be informed! The Sun's UV radiation can be nearly doubled due to the reflection from snow.
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Frequently asked questions

What are May temperatures in Barrington Hills?

An average high-temperature, in May, in Barrington Hills, is 67.1°F (19.5°C) and the average low-temperature is 50°F (10°C).

What is the average humidity in May in Barrington Hills?

In May, the average relative humidity is 79%.

How much does it rain in Barrington Hills in May?

In Barrington Hills, Illinois, in May, it is raining for 15 days, with typically 1.85" (47mm) of accumulated precipitation.

What is the last month it snows in Barrington Hills?

May is the last month it regularly snows in Barrington Hills, Illinois. During 0.1 snowfall days, in May, Barrington Hills aggregates 0.08" (2mm) of snow.

What is the average length of the day in May in Barrington Hills?

The average day length in May is 14h and 36min.

When are sunrise and sunset in May in Barrington Hills?

On the first day of May, sunrise is at 5:47 am and sunset at 7:52 pm. On the last day of the month, sunrise is at 5:19 am and sunset at 8:21 pm CDT.

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

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

What is the UV index intensity in May in Barrington Hills?

In May, the average daily maximum UV index in Barrington Hills, Illinois, is 5. A UV Index estimate of 3 to 5 represents a moderate vulnerability from exposure to the Sun's 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
Barrington Hills, IL

Average temperature in May - Barrington Hills, IL
  • Average high temperature in May: 67.1°F

The warmest month (with the highest average high temperature) is July (80.1°F).
The month with the lowest average high temperature is January (27°F).

  • Average low temperature in May: 50°F

The month with the highest average low temperature is July (63.7°F).
The coldest month (with the lowest average low temperature) is January (15.3°F).

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Average pressure in May
Barrington Hills, IL

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

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

The windiest months (with the highest average wind speed) are January and February (9.9mph).
The calmest month (with the lowest average wind speed) is August (6.1mph).

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Average humidity in May
Barrington Hills, IL

Average humidity in May - Barrington Hills, IL
  • Average humidity in May: 79%

The month with the highest relative humidity is January (85%).
The months with the lowest relative humidity are April and October (76%).

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Average rainfall in May
Barrington Hills, IL

Average rainfall in May - Barrington Hills, IL
  • Average rainfall in May: 1.85"

The wettest months (with the highest rainfall) are April and August (1.89").
The driest month (with the least rainfall) is December (0.67").

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Average rainfall days in May
Barrington Hills, IL

Average rainfall days in May - Barrington Hills, IL
  • Average rainfall days in May: 15 days

The month with the highest number of rainy days is July (17.3 days).
The month with the least rainy days is February (4.1 days).

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Average snowfall in May
Barrington Hills, IL

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

The month with the highest snowfall is January (2.01").
The months with the least snowfall are June, July, August and September (0").

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Average snowfall days in May
Barrington Hills, IL

Average snowfall days in May - Barrington Hills, IL
  • Average snowfall days in May: 0.1 days

The month with the highest number of snowfall days is January (12.2 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
Barrington Hills, IL

Average daylight in May / Average sunshine in May - Barrington Hills, 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 month with the most sunshine is July (Average sunshine: 10h and 0min).
The month with the least sunshine is January (Average sunshine: 3h and 42min).

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Average sunshine days in May
Barrington Hills, IL

Average sunshine days in May - Barrington Hills, IL
  • Average sunshine days in May: 12.8 days

The month with the most sunshine days is December (18.5 days).
The month with the least sunshine days is July (10.7 days).

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Average UV index in May
Barrington Hills, IL

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

The month with the highest UV index is July (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
Barrington Hills, IL

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

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 32).

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Average visibility in May
Barrington Hills, IL

Average visibility in May - Barrington Hills, IL
  • Average visibility in May: 6mi

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

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Barrington Hills, Illinois, USA

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