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
Butler's transition into May is marked by a temperature shift, moving from an enjoyable 63.7°F (17.6°C) in April to a warm 73.6°F (23.1°C). In Butler, an average low-temperature of 56.8°F (13.8°C) is recorded during May nights.Humidity
In Butler, Illinois, the average relative humidity in May is 79%.Rainfall
In Butler, in May, during 16.8 rainfall days, 2.76" (70mm) of precipitation is typically accumulated. Throughout the year, in Butler, there are 138.5 rainfall days, and 24.33" (618mm) of precipitation is accumulated.Snowfall
In Butler, snow does not fall in April through October.Daylight
In May, the average length of the day is 14h and 20min.On the first day of the month, sunrise is at 5:58 am and sunset at 7:51 pm. On the last day of May, sunrise is at 5:33 am and sunset at 8:18 pm CDT.
Sunshine
The average sunshine in May is 9.2h.UV index
In May, the average daily maximum UV index is 5. A UV Index value of 3 to 5 symbolizes a moderate health risk from unprotected exposure to Sun's UV rays for average individuals.Note: The maximum UV index of 5 during May translates into these guidelines:
Be mindful. Individuals with a lighter skin tone may suffer burns in less than 30 minutes. Around midday, solar radiation is most harmful; hence, exposure should be limited. Stay sun-safe with clothing that is both closely woven and worn loosely.
Frequently asked questions
What is the average May temperature in Butler?
What is the average humidity in May in Butler?
How much does it rain in Butler in May?
When it does not snow in Butler?
What is the average length of the day in May in Butler?
When are sunrise and sunset in May in Butler?
How many hours of sunshine does Butler have in May?
What is the UV index intensity in May in Butler?
Average temperature in May
Butler, IL
- Average high temperature in May: 73.6°F
The warmest month (with the highest average high temperature) is July (83.8°F).
The month with the lowest average high temperature is January (35.4°F).
- Average low temperature in May: 56.8°F
The month with the highest average low temperature is July (67.1°F).
The coldest month (with the lowest average low temperature) is January (22.6°F).
Average pressure in May
Butler, IL
- Average pressure in May: 29.96"Hg
The month with the highest atmospheric pressure is January (30.16"Hg).
The month with the lowest atmospheric pressure is June (29.92"Hg).
Average wind speed in May
Butler, IL
- Average wind speed in May: 8.1mph
The windiest month (with the highest average wind speed) is January (10.3mph).
The calmest month (with the lowest average wind speed) is July (5.9mph).
Average humidity in May
Butler, IL
- Average humidity in May: 79%
The month with the highest relative humidity is July (82%).
The month with the lowest relative humidity is October (71%).
Average rainfall in May
Butler, IL
- Average rainfall in May: 2.76"
The wettest month (with the highest rainfall) is June (3.35").
The driest month (with the least rainfall) is February (1.34").
Average rainfall days in May
Butler, IL
- Average rainfall days in May: 16.8 days
The month with the highest number of rainy days is May (16.8 days).
The month with the least rainy days is January (7 days).
Average snowfall in May
Butler, IL
- Average snowfall in May: 0"
The month with the highest snowfall is February (1.81").
The months with the least snowfall are April, May, June, July, August, September and October (0").
Average snowfall days in May
Butler, IL
- Average snowfall days in May: 0 days
The month with the highest number of snowfall days is January (6.2 days).
The months with the least snowfall days are May, June, July, August and September (0 days).
Average daylight in May /
Average sunshine in May
Butler, IL
- Average daylight in May: 14h and 2min
The month with the longest days is June (Average daylight: 14h and 54min).
The month with the shortest days is December (Average daylight: 9h and 30min).
- Average sunshine in May: 9h and 1min
The month with the most sunshine is June (Average sunshine: 10h and 24min).
The month with the least sunshine is January (Average sunshine: 4h and 18min).
Average sunshine days in May
Butler, IL
- Average sunshine days in May: 11.8 days
The month with the most sunshine days is October (19.8 days).
The month with the least sunshine days is May (11.8 days).
Average UV index in May
Butler, 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, February, November and December (UV index 2).
Average cloud cover in May
Butler, IL
- Average cloud cover in May: 39
The month with the most cloud cover is January (Cloud cover 53).
The months with the least cloud cover are June and September (Cloud cover 29).
Average visibility in May
Butler, IL
- Average visibility in May: 6mi
The months with the highest visibility are January, February, March, April, May, June, July, September, October, November and December (6mi).
The month with the lowest visibility is August (5mi).
Butler, Illinois, USA
Weather forecast for your location
2. Allow the app to use your location
