May weather forecastLake Barrington, IL
May
Weather in May
The last month of the spring, May, is a refreshing month in Lake Barrington, Illinois, 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, Lake Barrington sees a temperature rise, with the average high-temperature moving from April's fresh 54.3°F (12.4°C) to a refreshing 66.4°F (19.1°C). An average low-temperature of 50.2°F (10.1°C) is noted during the month of May.Humidity
In Lake Barrington, the average relative humidity in May is 77%.Rainfall
In Lake Barrington, in May, it is raining for 20 days, with typically 4.06" (103mm) of accumulated precipitation. Throughout the year, there are 163.1 rainfall days, and 32.24" (819mm) of precipitation is accumulated.Snowfall
Months with snowfall in Lake Barrington are January through May, October through December. 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 May, the average length of the day is 14h and 36min.On the first day of the month, sunrise is at 5:46 am and sunset at 7:52 pm. On the last day of May, sunrise is at 5:18 am and sunset at 8:22 pm CDT.
Sunshine
The average sunshine in May is 8.5h.UV index
In May, the average daily maximum UV index is 5. A UV Index of 3 to 5 symbolizes a moderate threat to health from unsafe exposure to UV radiation for the ordinary person.Note: An average UV index of 5 in May transforms into this advice:
Act with care - The need to guard against sun damage is communicated. 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. Attention! Nearly twice the Sun's UV radiation can be reflected by snow.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
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).
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).
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).
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%).
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").
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).
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").
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).
Average daylight in May /
Average sunshine in May
Lake Barrington, IL
- Average daylight in May: 14h and 36min
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 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).
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).
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).
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).
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).
