May weather forecastByron, WI
May
Weather in May
May, the last month of the spring in Byron, is a refreshing month, with an average temperature fluctuating between 63.7°F (17.6°C) and 46.8°F (8.2°C).Temperature
May sees a temperature increase, moving from a cool 51.1°F (10.6°C) in April to a comfortable 63.7°F (17.6°C). In Byron, the average low-temperature during the month of May is a chilly 46.8°F (8.2°C).Humidity
The average relative humidity in May is 79%.Rainfall
In Byron, during May, the rain falls for 10.2 days and regularly aggregates up to 0.87" (22mm) of precipitation. In Byron, during the entire year, the rain falls for 90.7 days and collects up to 7.56" (192mm) of precipitation.Snowfall
In Byron, snow does not fall in May through September.Daylight
The average length of the day in May is 14h and 44min.On the first day of May, sunrise is at 5:44 am and sunset at 7:56 pm. On the last day of the month, sunrise is at 5:15 am and sunset at 8:28 pm CDT.
Sunshine
In May, the average sunshine is 8.7h.UV index
May through August, with an average maximum UV index of 5, are months with the highest UV index. A UV Index of 3 to 5 symbolizes a moderate threat to health from unsafe exposure to UV radiation for the average person.Note: The daily high UV index of 5 during May translates into the following recommendations:
Put precautions into practice - Guidance to elude sunburn is provided. To guard against the harmful effects of the Sun, minimize exposure during midday. On sunny days, it's ideal to wear sunglasses that filter out UVA and UVB rays.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in May
Byron, WI
- Average high temperature in May: 63.7°F
The warmest month (with the highest average high temperature) is July (77.4°F).
The month with the lowest average high temperature is January (22.5°F).
- Average low temperature in May: 46.8°F
The month with the highest average low temperature is July (61°F).
The coldest month (with the lowest average low temperature) is January (10.8°F).
Average pressure in May
Byron, WI
- Average pressure in May: 29.96"Hg
The months with the highest atmospheric pressure are January, February and March (30.09"Hg).
The month with the lowest atmospheric pressure is June (29.91"Hg).
Average wind speed in May
Byron, WI
- Average wind speed in May: 9.1mph
The windiest month (with the highest average wind speed) is April (10.4mph).
The calmest month (with the lowest average wind speed) is August (7.1mph).
Average humidity in May
Byron, WI
- Average humidity in May: 79%
The month with the highest relative humidity is January (89%).
The month with the lowest relative humidity is April (76%).
Average rainfall in May
Byron, WI
- Average rainfall in May: 0.87"
The wettest months (with the highest rainfall) are June and October (0.94").
The driest months (with the least rainfall) are January and February (0.31").
Average rainfall days in May
Byron, WI
- Average rainfall days in May: 10.2 days
The months with the highest number of rainy days are April and July (11 days).
The month with the least rainy days is February (2.3 days).
Average snowfall in May
Byron, WI
- Average snowfall in May: 0"
The month with the highest snowfall is January (1.06").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in May
Byron, WI
- Average snowfall days in May: 0 days
The month with the highest number of snowfall days is January (10.5 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
Byron, 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 42min
The month with the most sunshine is July (Average sunshine: 10h and 0min).
The month with the least sunshine is January (Average sunshine: 3h and 24min).
Average sunshine days in May
Byron, WI
- Average sunshine days in May: 17 days
The month with the most sunshine days is December (21.5 days).
The month with the least sunshine days is June (15.6 days).
Average UV index in May
Byron, 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
Byron, WI
- Average cloud cover in May: 42
The month with the most cloud cover is January (Cloud cover 65).
The month with the least cloud cover is July (Cloud cover 33).
Average visibility in May
Byron, WI
- Average visibility in May: 6mi
The months with the highest visibility are February, March, April, May, June, July, August, October, November and December (6mi).
The months with the lowest visibility are January and September (5mi).
