May weather forecastIronton, WI
May
Weather in May
The last month of the spring, May, is an enjoyable month in Ironton, Wisconsin, with an average temperature ranging between max 65.7°F (18.7°C) and min 47.7°F (8.7°C).Temperature
The arrival of May signals an increase in the average high-temperature, moving from a fresh 52.7°F (11.5°C) in April to an enjoyable 65.7°F (18.7°C). An average minimum temperature of 47.7°F (8.7°C) marks the month of May.Humidity
The average relative humidity in May in Ironton is 81%.Rainfall
In Ironton, in May, during 16.1 rainfall days, 2.48" (63mm) of precipitation is typically accumulated. Throughout the year, in Ironton, there are 117.9 rainfall days, and 21.02" (534mm) of precipitation is accumulated.Snowfall
In Ironton, snow does not fall in May through September.Daylight
In Ironton, the average length of the day in May is 14h and 44min.On the first day of the month, sunrise is at 5:51 am and sunset at 8:03 pm. On the last day of May, in Ironton, sunrise is at 5:22 am and sunset at 8:34 pm CDT.
Sunshine
The average sunshine in May in Ironton is 8.1h.UV index
In Ironton, Wisconsin, the average daily maximum UV index in May is 4. A UV Index estimate of 3 to 5 represents a moderate health risk from unprotected exposure to Sun's UV rays for the ordinary person.Note: In May, the maximum UV index of 4 suggests this advice:
Preventative actions are necessary - Recommendations to ward off sunburn are given. The midday Sun can be harmful due to its potent UV radiation; seek shade and reduce exposure. Fend off the sun's harsh rays with appropriate clothing, a wide-brim hat, and UV-protective sunglasses. Take into account! The reflection from snow can nearly double the Sun's UV radiation intensity.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in May
Ironton, WI
- Average high temperature in May: 65.7°F
The warmest month (with the highest average high temperature) is July (79.3°F).
The month with the lowest average high temperature is January (22.3°F).
- Average low temperature in May: 47.7°F
The month with the highest average low temperature is July (60.6°F).
The coldest month (with the lowest average low temperature) is January (9.9°F).
Average pressure in May
Ironton, WI
- Average pressure in May: 29.95"Hg
The month with the highest atmospheric pressure is January (30.12"Hg).
The month with the lowest atmospheric pressure is June (29.9"Hg).
Average wind speed in May
Ironton, WI
- Average wind speed in May: 8.5mph
The windiest month (with the highest average wind speed) is April (9.8mph).
The calmest month (with the lowest average wind speed) is August (6.6mph).
Average humidity in May
Ironton, WI
- Average humidity in May: 81%
The month with the highest relative humidity is January (90%).
The month with the lowest relative humidity is April (77%).
Average rainfall in May
Ironton, WI
- Average rainfall in May: 2.48"
The wettest month (with the highest rainfall) is June (2.83").
The driest month (with the least rainfall) is January (0.79").
Average rainfall days in May
Ironton, WI
- Average rainfall days in May: 16.1 days
The months with the highest number of rainy days are May and June (16.1 days).
The month with the least rainy days is February (2.5 days).
Average snowfall in May
Ironton, WI
- Average snowfall in May: 0"
The month with the highest snowfall is February (4.37").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in May
Ironton, WI
- Average snowfall days in May: 0.1 days
The month with the highest number of snowfall days is January (13 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in May /
Average sunshine in May
Ironton, WI
- Average daylight in May: 14h and 42min
The month with the longest days is June (Average daylight: 15h and 24min).
The month with the shortest days is December (Average daylight: 9h and 0min).
- Average sunshine in May: 8h and 6min
The month with the most sunshine is July (Average sunshine: 9h and 42min).
The month with the least sunshine is January (Average sunshine: 3h and 0min).
Average sunshine days in May
Ironton, WI
- Average sunshine days in May: 12.4 days
The month with the most sunshine days is November (18.4 days).
The month with the least sunshine days is June (11.5 days).
Average UV index in May
Ironton, WI
- Average UV index in May: 4
The months with the highest UV index are June, July and August (UV index 5).
The months with the lowest UV index are January, February, November and December (UV index 1).
Average cloud cover in May
Ironton, WI
- Average cloud cover in May: 46
The month with the most cloud cover is January (Cloud cover 69).
The months with the least cloud cover are July, August and September (Cloud cover 36).
Average visibility in May
Ironton, WI
- Average visibility in May: 6mi
The months with the highest visibility are March, April, May, June, October and November (6mi).
The months with the lowest visibility are January, February, July, August, September and December (5mi).
