May weather forecast
Barrington, IL

Weather in May

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

Temperature

In May, the average high-temperature rises from a fresh 54.3°F (12.4°C) in April to a comfortable 66.4°F (19.1°C). The average low-temperature, in Barrington, is 50.2°F (10.1°C).

Humidity

The average relative humidity in May is 77%.

Rainfall

In Barrington, during May, the rain falls for 20 days and regularly aggregates up to 4.06" (103mm) of precipitation. Throughout the year, in 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 Barrington. May is the last month it regularly snows in Barrington, Illinois. During 0.2 snowfall days, Barrington aggregates 0.08" (2mm) of snow. In Barrington, during the entire year, snow falls for 55.5 days and aggregates up to 22.95" (583mm) of snow.

Daylight

The average length of the day in May is 14h and 36min.
On the first day of the month, sunrise is at 5:47 am and sunset at 7:51 pm. On the last day of May, in Barrington, sunrise is at 5:19 am and sunset at 8:21 pm CDT.

Sunshine

The average sunshine in May in Barrington is 8.5h.

UV index

The average daily maximum UV index in May is 5. A UV Index estimate of 3 to 5 represents a medium vulnerability from exposure to the Sun's UV rays for average individuals.
Note: In May, the average maximum UV index of 5 translate into the following recommendations:
Take precautions - Protection against sunburn is recommended. The solar radiation is most powerful near the mid-day, so the exposure to the direct Sun should be reduced accordingly. A wide-brim hat offers excellent sun protection for the eyes, ears, face, and neck. Sunglasses with UVA and UVB protection significantly reduce eye damage from sun exposure. Tightly woven, loose-fitting clothes provide additional protection from the Sun. Caution! The reflection of snow can nearly double the intensity of the Sun's UV radiation.
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FAQ

What is the average humidity in May in Barrington?

The average relative humidity in May in Barrington, Illinois, is 77%.

How many days does it rain in May in Barrington?

In May, in Barrington, Illinois, the rain falls for 20 days. Throughout May, 4.06" (103mm) of precipitation is accumulated.

What is the last month it snows in Barrington?

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

How many hours of daylight does Barrington have in May?

In May, the average day length in Barrington is 14h and 36min.

What time are sunrise and sunset in May in Barrington?

In May, on the first day of the month, sunrise is at 5:47 am and sunset at 7:51 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?

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

What is the UV index reading in May in Barrington?

In Barrington, the average daily maximum UV index in May is 5. A UV Index estimate of 3 to 5 represents a medium hazard to health from exposure to Sun's UV rays.
Average humidity
Average rainfall days
Average snowfall days
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in May
Barrington, IL

Average temperature in May - 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
Barrington, IL

Average pressure in May - 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
Barrington, IL

Average wind speed in May - 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
Barrington, IL

Average humidity in May - 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
Barrington, IL

Average rainfall in May - 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
Barrington, IL

Average rainfall days in May - 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
Barrington, IL

Average snowfall in May - 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
Barrington, IL

Average snowfall days in May - 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
Barrington, IL

Average daylight in May / Average sunshine in May - Barrington, IL
  • Average daylight in May: 14h and 36min

The month with the longest days is June (Average daylight: 15h and 13min).
The month with the shortest days is December (Average daylight: 9h and 10min).

  • Average sunshine in May: 8h and 30min

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
Barrington, IL

Average sunshine days in May - 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
Barrington, IL

Average UV index in May - 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
Barrington, IL

Average cloud cover in May - 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
Barrington, IL

Average visibility in May - 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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