May weather forecastBuffalo Grove, IL
May
Weather in May
May, the last month of the spring in Buffalo Grove, is a refreshing month, with an average temperature varying between 65.8°F (18.8°C) and 50.5°F (10.3°C).Temperature
As Buffalo Grove transitions into May, the average high-temperature shows a change, moving from a cool 54.1°F (12.3°C) in April to an enjoyable 65.8°F (18.8°C). Buffalo Grove, in the month of May, anticipates a consistent average low-temperature of 50.5°F (10.3°C).Humidity
In May, the average relative humidity in Buffalo Grove is 77%.Rainfall
The month with the most rainfall is May, when the rain falls for 17.6 days and typically aggregates up to 3.66" (93mm) 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, Buffalo Grove aggregates 0.08" (2mm) of snow. In Buffalo Grove, during the entire year, snow falls for 45.4 days and aggregates up to 16.85" (428mm) 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 5:46 am and sunset at 7:51 pm. On the last day of May, sunrise is at 5:18 am and sunset at 8:21 pm CDT.
Sunshine
In Buffalo Grove, the average sunshine in May is 8.6h.UV index
In Buffalo Grove, the average daily maximum UV index in May is 5. A UV Index value of 3 to 5 symbolizes a moderate health risk from exposure to the Sun's UV rays for the ordinary person.Note: The maximum daily UV index of 5 in May converts into the following recommendations:
Ensure safety - Recommendations to avert sunburn are presented. The Sun's harshest UV rays are around midday; it's wise to seek shade and limit time outdoors. For optimum UV protection, wear sun-resistant attire complemented with a hat and quality shades. Take note! UV radiation from the Sun can double in intensity due to snow reflection.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in May
Buffalo Grove, IL
- Average high temperature in May: 65.8°F
The warmest month (with the highest average high temperature) is July (81°F).
The month with the lowest average high temperature is January (28°F).
- Average low temperature in May: 50.5°F
The month with the highest average low temperature is July (65.8°F).
The coldest month (with the lowest average low temperature) is January (17.6°F).
Average pressure in May
Buffalo Grove, 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
Buffalo Grove, IL
- Average wind speed in May: 8.4mph
The windiest month (with the highest average wind speed) is January (10.4mph).
The calmest month (with the lowest average wind speed) is August (6.5mph).
Average humidity in May
Buffalo Grove, IL
- Average humidity in May: 77%
The month with the highest relative humidity is January (83%).
The month with the lowest relative humidity is October (73%).
Average rainfall in May
Buffalo Grove, IL
- Average rainfall in May: 3.66"
The wettest month (with the highest rainfall) is May (3.66").
The driest month (with the least rainfall) is December (1.34").
Average rainfall days in May
Buffalo Grove, IL
- Average rainfall days in May: 17.6 days
The month with the highest number of rainy days is May (17.6 days).
The month with the least rainy days is February (5.9 days).
Average snowfall in May
Buffalo Grove, IL
- Average snowfall in May: 0.08"
The month with the highest snowfall is January (4.8").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in May
Buffalo Grove, IL
- Average snowfall days in May: 0.1 days
The month with the highest number of snowfall days is January (12.5 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in May /
Average sunshine in May
Buffalo Grove, 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 36min
The month with the most sunshine is August (Average sunshine: 10h and 18min).
The month with the least sunshine is January (Average sunshine: 3h and 42min).
Average sunshine days in May
Buffalo Grove, IL
- Average sunshine days in May: 11.4 days
The month with the most sunshine days is November (15.7 days).
The month with the least sunshine days is April (10.3 days).
Average UV index in May
Buffalo Grove, IL
- Average UV index in May: 5
The months with the highest UV index are June, July and August (UV index 6).
The month with the lowest UV index is December (UV index 1).
Average cloud cover in May
Buffalo Grove, IL
- Average cloud cover in May: 42
The month with the most cloud cover is January (Cloud cover 61).
The month with the least cloud cover is August (Cloud cover 29).
Average visibility in May
Buffalo Grove, IL
- Average visibility in May: 6mi
The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
