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
As May sets, the average high-temperature shows an increase, moving up from a cool 50.9°F (10.5°C) in April to a refreshing 64.2°F (17.9°C). Iola's temperature lowers to a mean of 46.6°F (8.1°C) during the nights in May.Humidity
In May, the average relative humidity in Iola is 78%.Rainfall
The month with the most rainfall is May, when the rain falls for 15.8 days and typically aggregates up to 3.19" (81mm) of precipitation.Snowfall
January through May, October through December are months with snowfall in Iola. May is the last month it regularly snows. During 0.2 snowfall days, in May, Iola aggregates 0.04" (1mm) of snow. Throughout the year, in Iola, there are 56.3 snowfall days, and 21.38" (543mm) of snow is accumulated.Daylight
In Iola, the average length of the day in May is 14h and 49min.On the first day of the month, sunrise is at 5:45 am and sunset at 8:01 pm. On the last day of May, sunrise is at 5:14 am and sunset at 8:33 pm CDT.
Sunshine
In May, the average sunshine in Iola is 8.7h.UV index
The months with the highest UV index in Iola are May through August, with an average maximum UV index of 5. A UV Index of 3 to 5 symbolizes a medium vulnerability from exposure to the Sun's UV rays for the average person.Note: In May, a regular UV index of 5 translates into these guidelines:
Exercise prudence. Persons with fair skin could be burned in under 30 minutes. Avoiding the Sun during its peak radiation time around midday is a healthy practice. For holistic sun protection encompassing the eyes, ears, face, and neck, a wide-brim hat is key. Be on the lookout! Nearly twofold UV radiation from the Sun can be reflected by snow.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the usual temperature for Iola in May?
What is the average humidity in May in Iola?
What is the wettest month in Iola?
How much does it rain in Iola in May?
What is the last month it snows in Iola?
How many hours of daylight does Iola have in May?
When are sunrise and sunset in May in Iola?
How many hours of sunshine does Iola have in May?
When is the highest UV index in Iola?
What is the UV index intensity in May in Iola?
Average temperature in May
Iola, WI
- Average high temperature in May: 64.2°F
The warmest month (with the highest average high temperature) is July (78.3°F).
The month with the lowest average high temperature is January (21.4°F).
- Average low temperature in May: 46.6°F
The month with the highest average low temperature is July (60.1°F).
The coldest month (with the lowest average low temperature) is January (9.9°F).
Average pressure in May
Iola, WI
- Average pressure in May: 29.96"Hg
The month with the highest atmospheric pressure is February (30.1"Hg).
The month with the lowest atmospheric pressure is June (29.91"Hg).
Average wind speed in May
Iola, WI
- Average wind speed in May: 8.6mph
The windiest month (with the highest average wind speed) is April (9.9mph).
The calmest month (with the lowest average wind speed) is August (6.9mph).
Average humidity in May
Iola, WI
- Average humidity in May: 78%
The month with the highest relative humidity is January (90%).
The month with the lowest relative humidity is April (75%).
Average rainfall in May
Iola, WI
- Average rainfall in May: 3.19"
The wettest month (with the highest rainfall) is May (3.19").
The driest month (with the least rainfall) is February (0.91").
Average rainfall days in May
Iola, WI
- Average rainfall days in May: 15.8 days
The month with the highest number of rainy days is May (15.8 days).
The month with the least rainy days is January (3.8 days).
Average snowfall in May
Iola, WI
- Average snowfall in May: 0.04"
The month with the highest snowfall is January (5.04").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in May
Iola, WI
- Average snowfall days in May: 0.2 days
The month with the highest number of snowfall days is January (13.4 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in May /
Average sunshine in May
Iola, WI
- Average daylight in May: 14h and 5min
The month with the longest days is June (Average daylight: 15h and 30min).
The month with the shortest days is December (Average daylight: 8h and 54min).
- Average sunshine in May: 8h and 4min
The month with the most sunshine is July (Average sunshine: 9h and 54min).
The month with the least sunshine is January (Average sunshine: 3h and 24min).
Average sunshine days in May
Iola, WI
- Average sunshine days in May: 12.9 days
The month with the most sunshine days is September (16.5 days).
The month with the least sunshine days is April (12.8 days).
Average UV index in May
Iola, WI
- Average UV index in May: 5
The months with the highest UV index are May, June, July and August (UV index 5).
The months with the lowest UV index are January, November and December (UV index 1).
Average cloud cover in May
Iola, WI
- Average cloud cover in May: 43
The month with the most cloud cover is January (Cloud cover 64).
The months with the least cloud cover are July and August (Cloud cover 33).
Average visibility in May
Iola, WI
- Average visibility in May: 6mi
The months with the highest visibility are March, April, May, June, August, October and November (6mi).
The months with the lowest visibility are January, February, July, September and December (5mi).
Iola, Wisconsin, USA
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