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 onset of May marks an increase in the average high-temperature, moving from a cool 52.9°F (11.6°C) in April to a refreshing 64.8°F (18.2°C). Throughout May, Lyons records an average temperature of 48.7°F (9.3°C) at night.Humidity
The average relative humidity in May in Lyons is 79%.Rainfall
In Lyons, in May, during 19.2 rainfall days, 3.19" (81mm) of precipitation is typically accumulated. Throughout the year, there are 158.7 rainfall days, and 29.88" (759mm) of precipitation is accumulated.Snowfall
Months with snowfall are January through May, October through December. May is the last month it regularly snows. During 0.3 snowfall days, in May, Lyons aggregates 0.12" (3mm) of snow. In Lyons, Wisconsin, during the entire year, snow falls for 56.1 days and aggregates up to 20.04" (509mm) of snow.Daylight
In May, the average length of the day is 14h and 38min.On the first day of May, sunrise is at 5:46 am and sunset at 7:54 pm. On the last day of the month, sunrise is at 5:18 am and sunset at 8:24 pm CDT.
Sunshine
In Lyons, the average sunshine in May is 8.6h.UV index
The average daily maximum UV index in May is 4. A UV Index of 3 to 5 symbolizes a medium vulnerability from unprotected exposure to Sun's UV rays for ordinary individuals.Note: The maximum daily UV index of 4 in May converts into the following recommendations:
Adopt protective measures - Suggestions to resist sunburn are offered. The Sun is most powerful around mid-day, so it's a good practice to reduce direct exposure. Sun-related eye harm can be minimized with proper sunglasses offering UVA and UVB coverage. Be alert! Nearly double the UV rays 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 Lyons in May?
What is the average humidity in May in Lyons?
How many days does it rain in May in Lyons?
What is the last month it snows in Lyons?
How many hours of daylight does Lyons have in May?
When is the sunrise / sunset in May in Lyons?
How long on average sun shines in May in Lyons?
How high is the UV index in May in Lyons?
Average temperature in May
Lyons, WI
- Average high temperature in May: 64.8°F
The warmest month (with the highest average high temperature) is July (78.6°F).
The month with the lowest average high temperature is January (25.7°F).
- Average low temperature in May: 48.7°F
The month with the highest average low temperature is July (63°F).
The coldest month (with the lowest average low temperature) is January (14.4°F).
Average pressure in May
Lyons, WI
- Average pressure in May: 29.96"Hg
The months with the highest atmospheric pressure are January and February (30.1"Hg).
The month with the lowest atmospheric pressure is June (29.92"Hg).
Average wind speed in May
Lyons, WI
- Average wind speed in May: 8.5mph
The windiest month (with the highest average wind speed) is January (10.2mph).
The calmest month (with the lowest average wind speed) is August (6.4mph).
Average humidity in May
Lyons, WI
- Average humidity in May: 79%
The month with the highest relative humidity is January (86%).
The months with the lowest relative humidity are April, October and November (77%).
Average rainfall in May
Lyons, WI
- Average rainfall in May: 3.19"
The wettest month (with the highest rainfall) is June (3.78").
The driest month (with the least rainfall) is February (1.54").
Average rainfall days in May
Lyons, WI
- Average rainfall days in May: 19.2 days
The month with the highest number of rainy days is May (19.2 days).
The month with the least rainy days is February (5.5 days).
Average snowfall in May
Lyons, WI
- Average snowfall in May: 0.12"
The month with the highest snowfall is January (5.43").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in May
Lyons, WI
- Average snowfall days in May: 0.3 days
The month with the highest number of snowfall days is January (14.9 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in May /
Average sunshine in May
Lyons, WI
- Average daylight in May: 14h and 4min
The month with the longest days is June (Average daylight: 15h and 18min).
The month with the shortest days is December (Average daylight: 9h and 6min).
- Average sunshine in May: 8h and 4min
The month with the most sunshine is August (Average sunshine: 10h and 12min).
The month with the least sunshine is January (Average sunshine: 3h and 42min).
Average sunshine days in May
Lyons, WI
- Average sunshine days in May: 9.7 days
The month with the most sunshine days is November (16 days).
The month with the least sunshine days is June (9 days).
Average UV index in May
Lyons, 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 and December (UV index 1).
Average cloud cover in May
Lyons, WI
- Average cloud cover in May: 42
The month with the most cloud cover is January (Cloud cover 62).
The months with the least cloud cover are August and September (Cloud cover 30).
Average visibility in May
Lyons, WI
- Average visibility in May: 6mi
The months with the highest visibility are March, April, May, June, July, August, September, October, November and December (6mi).
The months with the lowest visibility are January and February (5mi).
Lyons, Wisconsin, USA
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