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 start of May brings a shift in the average high-temperature, increasing from April's cool 55.2°F (12.9°C) to an enjoyable 67.3°F (19.6°C). Throughout the month of May, Berkeley witnesses an average low-temperature of 51.6°F (10.9°C).Humidity
In May, the average relative humidity in Berkeley is 75%.Rainfall
May is the month with the most rainfall in Berkeley. Rain falls for 17.3 days and accumulates 3.11" (79mm) of precipitation.Snowfall
January through May, October through December are months with snowfall. May is the last month it regularly snows in Berkeley. During 0.1 snowfall days, in May, Berkeley aggregates 0.04" (1mm) of snow. Throughout the year, in Berkeley, there are 45.8 snowfall days, and 14.25" (362mm) of snow is accumulated.Daylight
The average length of the day in May is 14h and 34min.On the first day of the month, sunrise is at 5:46 am and sunset at 7:50 pm. On the last day of May, in Berkeley, sunrise is at 5:18 am and sunset at 8:19 pm CDT.
Sunshine
The average sunshine in May in Berkeley is 8.6h.UV index
The average daily maximum UV index in May in Berkeley is 5. A UV Index estimate of 3 to 5 represents a moderate threat to health from exposure to the Sun's UV radiation for average individuals.Note: A daily high UV index of 5 in May leads to these guidelines:
Undertake protective steps - Preventing sun damage is advised. The Sun's harshest UV rays are around midday; it's wise to seek shade and limit time outdoors. Your best bet for sun defense on the face, eyes, and neck is a hat with a wide brim. Consider this! The reflection from snow can almost double the intensity of the Sun's UV radiation.
Frequently asked questions
What are the temperatures in Berkeley in May?
What is the average humidity in May in Berkeley?
What is the wettest month in Berkeley?
How much does it rain in Berkeley in May?
What is the last month it snows in Berkeley?
How many hours of daylight does Berkeley have in May?
When are sunrise and sunset in May in Berkeley?
How many hours of sunshine does Berkeley have in May?
What is the UV index intensity in May in Berkeley?
Average temperature in May
Berkeley, IL
- Average high temperature in May: 67.3°F
The warmest month (with the highest average high temperature) is July (81.9°F).
The month with the lowest average high temperature is January (28.8°F).
- Average low temperature in May: 51.6°F
The month with the highest average low temperature is July (66.6°F).
The coldest month (with the lowest average low temperature) is January (18°F).
Average pressure in May
Berkeley, 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
Berkeley, IL
- Average wind speed in May: 8.3mph
The windiest month (with the highest average wind speed) is January (10.2mph).
The calmest month (with the lowest average wind speed) is August (6.3mph).
Average humidity in May
Berkeley, IL
- Average humidity in May: 75%
The months with the highest relative humidity are January and February (82%).
The month with the lowest relative humidity is October (72%).
Average rainfall in May
Berkeley, IL
- Average rainfall in May: 3.11"
The wettest month (with the highest rainfall) is May (3.11").
The driest month (with the least rainfall) is December (1.14").
Average rainfall days in May
Berkeley, IL
- Average rainfall days in May: 17.3 days
The months with the highest number of rainy days are May and July (17.3 days).
The month with the least rainy days is February (5.1 days).
Average snowfall in May
Berkeley, IL
- Average snowfall in May: 0.04"
The month with the highest snowfall is February (3.86").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in May
Berkeley, IL
- Average snowfall days in May: 0.1 days
The month with the highest number of snowfall days is January (12.4 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in May /
Average sunshine in May
Berkeley, 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 4min
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
Berkeley, IL
- Average sunshine days in May: 10.8 days
The month with the most sunshine days is November (16.8 days).
The month with the least sunshine days is July (9.5 days).
Average UV index in May
Berkeley, IL
- Average UV index in May: 5
The months with the highest UV index are June, 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
Berkeley, IL
- Average cloud cover in May: 43
The month with the most cloud cover is January (Cloud cover 61).
The month with the least cloud cover is August (Cloud cover 30).
Average visibility in May
Berkeley, 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).
Berkeley, Illinois, USA
Weather forecast for your location
2. Allow the app to use your location
