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 brings a temperature change, with average high-temperatures moving from April's fresh 52.7°F (11.5°C) to a refreshing 64.6°F (18.1°C). Throughout May, an average low-temperature of 47.7°F (8.7°C) is experienced in Wales.Humidity
The average relative humidity in May is 79%.Rainfall
In Wales, in May, during 15 rainfall days, 2.13" (54mm) of precipitation is typically accumulated. In Wales, during the entire year, the rain falls for 127.5 days and collects up to 18.94" (481mm) of precipitation.Snowfall
Months with snowfall in Wales are January through May, October through December. May is the last month it regularly snows in Wales. During 0.3 snowfall days, in May, Wales aggregates 0.04" (1mm) of snow. Throughout the year, there are 48.5 snowfall days, and 11.02" (280mm) of snow is accumulated.Daylight
In May, the average length of the day in Wales is 14h and 41min.On the first day of May in Wales, sunrise is at 5:46 am and sunset at 7:55 pm. On the last day of the month, sunrise is at 5:17 am and sunset at 8:25 pm CDT.
Sunshine
The average sunshine in May in Wales is 8.4h.UV index
The months with the highest UV index are May through August, with an average maximum UV index of 5. A UV Index estimate of 3 to 5 represents a moderate threat to health from unsafe exposure to UV radiation for the average person.Note: The maximum daily UV index, 5 in May, converts into the following recommendations:
Exercise caution. Those with pale skin may experience burns in less than half an hour. The midday Sun can be dangerous due to its intense radiation; always find shade and reduce exposure. Wearing sunglasses with both UVA and UVB protection effectively reduces sun-induced eye damage. Warning! The reflection from snow can nearly magnify the Sun's UV radiation twofold.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the usual temperature for Wales in May?
What is the average humidity in May in Wales?
How many days does it rain in May in Wales?
What is the last month it snows in Wales?
How many hours of daylight does Wales have in May?
What time are sunrise and sunset in May in Wales?
How many hours of sunshine does Wales have in May?
When is the highest UV index in Wales?
How high is the UV index in May in Wales?
Average temperature in May
Wales, WI
- Average high temperature in May: 64.6°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 (24.6°F).
- Average low temperature in May: 47.7°F
The month with the highest average low temperature is July (62.2°F).
The coldest month (with the lowest average low temperature) is January (13.1°F).
Average pressure in May
Wales, 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
Wales, WI
- Average wind speed in May: 8.5mph
The windiest months (with the highest average wind speed) are January and February (10.1mph).
The calmest month (with the lowest average wind speed) is August (6.5mph).
Average humidity in May
Wales, WI
- Average humidity in May: 79%
The month with the highest relative humidity is January (88%).
The month with the lowest relative humidity is April (76%).
Average rainfall in May
Wales, WI
- Average rainfall in May: 2.13"
The wettest month (with the highest rainfall) is July (2.52").
The driest month (with the least rainfall) is December (0.75").
Average rainfall days in May
Wales, WI
- Average rainfall days in May: 15 days
The month with the highest number of rainy days is July (16.3 days).
The month with the least rainy days is February (3.3 days).
Average snowfall in May
Wales, WI
- Average snowfall in May: 0.04"
The month with the highest snowfall is January (2.99").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in May
Wales, WI
- Average snowfall days in May: 0.3 days
The month with the highest number of snowfall days is January (12.4 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in May /
Average sunshine in May
Wales, 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 2min
The month with the most sunshine is August (Average sunshine: 9h and 54min).
The month with the least sunshine is January (Average sunshine: 3h and 18min).
Average sunshine days in May
Wales, WI
- Average sunshine days in May: 13.4 days
The month with the most sunshine days is November (17.6 days).
The month with the least sunshine days is July (11.2 days).
Average UV index in May
Wales, 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 and December (UV index 1).
Average cloud cover in May
Wales, WI
- Average cloud cover in May: 44
The month with the most cloud cover is January (Cloud cover 65).
The months with the least cloud cover are August and September (Cloud cover 32).
Average visibility in May
Wales, WI
- Average visibility in May: 6mi
The months with the highest visibility are February, March, April, May, June, July, August, September, October, November and December (6mi).
The month with the lowest visibility is January (5mi).
Wales, Wisconsin, USA
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