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
May's arrival coincides with a rise in the average high-temperature, moving from April's refreshing 60.8°F (16°C) to an agreeable 71.6°F (22°C). During the month of May, the temperature in Bartonville generally drops to a low average of 55°F (12.8°C).Humidity
In Bartonville, the average relative humidity in May is 78%.Rainfall
May is the month with the most rainfall. Rain falls for 16.8 days and accumulates 2.64" (67mm) of precipitation.Snowfall
In Bartonville, snow does not fall in May through September.Daylight
In Bartonville, the average length of the day in May is 14h and 28min.On the first day of the month, sunrise is at 5:56 am and sunset at 7:55 pm. On the last day of May, sunrise is at 5:29 am and sunset at 8:23 pm CDT.
Sunshine
In Bartonville, the average sunshine in May is 9.1h.UV index
In May, the average daily maximum UV index is 5. A UV Index reading of 3 to 5 represents a moderate threat to health from unprotected exposure to Sun's UV rays for the ordinary person.Note: The maximum daily UV index of 5 during May translates into the following directions:
Act with care - The need to guard against sun damage is communicated. Being exposed to the midday Sun can have harmful effects due to strong UV radiation; always take precautions. Equip yourself with UVA and UVB-filtering sunglasses on clear, sunny days.
Frequently asked questions
What is the average May temperature in Bartonville?
What is the average humidity in May in Bartonville?
What is the wettest month in Bartonville?
How much does it rain in Bartonville in May?
When it does not snow in Bartonville?
Does it snow in Bartonville in May?
How many hours of daylight does Bartonville have in May?
When is the sunrise / sunset in May in Bartonville?
How many hours of sunshine does Bartonville have in May?
What is the UV index intensity in May in Bartonville?
Average temperature in May
Bartonville, IL
- Average high temperature in May: 71.6°F
The warmest month (with the highest average high temperature) is July (82°F).
The month with the lowest average high temperature is January (30.7°F).
- Average low temperature in May: 55°F
The month with the highest average low temperature is July (65.3°F).
The coldest month (with the lowest average low temperature) is January (18.9°F).
Average pressure in May
Bartonville, IL
- Average pressure in May: 29.95"Hg
The month with the highest atmospheric pressure is January (30.14"Hg).
The month with the lowest atmospheric pressure is June (29.91"Hg).
Average wind speed in May
Bartonville, IL
- Average wind speed in May: 8.8mph
The windiest month (with the highest average wind speed) is April (10.6mph).
The calmest month (with the lowest average wind speed) is August (6.5mph).
Average humidity in May
Bartonville, IL
- Average humidity in May: 78%
The month with the highest relative humidity is July (84%).
The month with the lowest relative humidity is October (71%).
Average rainfall in May
Bartonville, IL
- Average rainfall in May: 2.64"
The wettest month (with the highest rainfall) is May (2.64").
The driest month (with the least rainfall) is January (0.75").
Average rainfall days in May
Bartonville, 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 February (4.6 days).
Average snowfall in May
Bartonville, IL
- Average snowfall in May: 0"
The month with the highest snowfall is January (2.36").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in May
Bartonville, IL
- Average snowfall days in May: 0 days
The month with the highest number of snowfall days is January (9 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
Bartonville, IL
- Average daylight in May: 14h and 3min
The month with the longest days is June (Average daylight: 15h and 0min).
The month with the shortest days is December (Average daylight: 9h and 18min).
- Average sunshine in May: 9h and 1min
The month with the most sunshine is June (Average sunshine: 10h and 18min).
The month with the least sunshine is January (Average sunshine: 4h and 0min).
Average sunshine days in May
Bartonville, IL
- Average sunshine days in May: 11.3 days
The month with the most sunshine days is November (19.8 days).
The month with the least sunshine days is May (11.3 days).
Average UV index in May
Bartonville, 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
Bartonville, IL
- Average cloud cover in May: 39
The month with the most cloud cover is January (Cloud cover 57).
The month with the least cloud cover is September (Cloud cover 29).
Average visibility in May
Bartonville, IL
- Average visibility in May: 6mi
The months with the highest visibility are January, February, March, April, May, June, September, October, November and December (6mi).
The months with the lowest visibility are July and August (5mi).
Bartonville, Illinois, USA
Weather forecast for your location
2. Allow the app to use your location
