Contents
- Weather in May
- Frequently asked questions
- Average temperature in May
- Average pressure in May
- Average wind speed in May
- Average humidity in May
- Average rainfall in May
- Average rainfall days in May
- Average snowfall in May
- Average snowfall days in May
- Average daylight in May
- Average sunshine in May
- Average sunshine days in May
- Average UV index in May
- Average cloud cover in May
- Average visibility in May
Weather in May
Temperature
The arrival of May brings an increase in high-temperatures, moving from a cool 55°F (12.8°C) in April to a comfortable 67.1°F (19.5°C). Barrington Hills usually reports an average low-temperature of 50°F (10°C) during the month of May.Humidity
The average relative humidity in May is 79%.Rainfall
In Barrington Hills, during May, the rain falls for 15 days and regularly aggregates up to 1.85" (47mm) of precipitation. Throughout the year, there are 132.8 rainfall days, and 15.47" (393mm) of precipitation is accumulated.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. In Barrington Hills, during the entire year, snow falls for 43.2 days and aggregates up to 7.4" (188mm) of snow.Daylight
In Barrington Hills, 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 7:52 pm. On the last day of May, 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 Barrington Hills, the average daily maximum UV index in May is 5. A UV Index estimate of 3 to 5 represents a moderate threat to health from exposure to the Sun's UV rays for the average person.Note: The maximum daily UV index of 5 in May interprets into the following recommendations:
Be vigilant - Suggestions to stave off sun damage are provided. UV radiation is strongest from the Sun during midday; protect yourself by staying in shaded areas. In bright sunlight, prioritize sunglasses that grant protection from UVA and UVB radiation. Take careful note! The UV radiation of the Sun can be nearly doubled by snow reflection.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the average May temperature?
What is the average humidity in May?
How many days does it rain in May?
What is the last month it snows?
What is the average length of the day in May?
What time are sunrise and sunset in May?
How long on average sun shines in May?
How high is the UV index in May?
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).
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).
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).
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%).
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").
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).
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").
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).
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).
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).
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).
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).
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).
Barrington Hills, Illinois, USA
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