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 brings a clear temperature shift, with the average high-temperature escalating from a fresh 50.2°F (10.1°C) in April to a comfortable 64.6°F (18.1°C). May brings Ruby a consistent average low-temperature of 45.1°F (7.3°C).Humidity
With an average relative humidity of 76%, May is the least humid month.Rainfall
In Ruby, during May, the rain falls for 18.3 days and regularly aggregates up to 3.46" (88mm) of precipitation. In Ruby, during the entire year, the rain falls for 137.4 days and collects up to 26.26" (667mm) of precipitation.Snowfall
Months with snowfall are January through May, October through December. May is the last month it regularly snows. During 0.8 snowfall days, in May, Ruby aggregates 0.59" (15mm) of snow. Throughout the year, there are 84 snowfall days, and 33.46" (850mm) of snow is accumulated.Daylight
The average length of the day in May in Ruby is 14h and 53min.On the first day of the month, sunrise is at 5:51 am and sunset at 8:10 pm. On the last day of May, sunrise is at 5:19 am and sunset at 8:43 pm CDT.
Sunshine
The average sunshine in May is 8.5h.UV index
May through August, with an average maximum UV index of 5, are months with the highest UV index in Ruby. A UV Index value of 3 to 5 symbolizes a medium health hazard from unsafe exposure to UV radiation for the ordinary person.Note: The daily high UV index of 5 during May translates into the following recommendations:
Heed the precautions - It is counselled to guard against solar damage. Limiting exposure to the direct Sun during midday hours can help prevent harmful UV radiation effects. Shield yourself from the harmful effects of UV radiation with sun-protective attire, a hat, and quality sunglasses. Guard yourself! Snow reflection can almost double the UV radiation from the Sun.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the usual temperature for Ruby in May?
What is the least humid month?
What is the average humidity in May?
How much does it rain in May?
What is the last month it snows?
How many hours of daylight does Ruby have in May?
What time are sunrise and sunset in May?
How long on average sun shines in May?
What are the months with the highest UV index?
How high is the UV index in May?
Average temperature in May
Ruby, WI
- Average high temperature in May: 64.6°F
The warmest month (with the highest average high temperature) is July (78.8°F).
The month with the lowest average high temperature is January (18.7°F).
- Average low temperature in May: 45.1°F
The month with the highest average low temperature is July (58.6°F).
The coldest month (with the lowest average low temperature) is January (6.1°F).
Average pressure in May
Ruby, WI
- Average pressure in May: 29.95"Hg
The months with the highest atmospheric pressure are January and February (30.11"Hg).
The month with the lowest atmospheric pressure is June (29.89"Hg).
Average wind speed in May
Ruby, WI
- Average wind speed in May: 8mph
The windiest month (with the highest average wind speed) is April (8.9mph).
The calmest months (with the lowest average wind speed) are July and August (6.6mph).
Average humidity in May
Ruby, WI
- Average humidity in May: 76%
The months with the highest relative humidity are January and February (92%).
The month with the lowest relative humidity is May (76%).
Average rainfall in May
Ruby, WI
- Average rainfall in May: 3.46"
The wettest month (with the highest rainfall) is June (4.06").
The driest month (with the least rainfall) is January (0.94").
Average rainfall days in May
Ruby, WI
- Average rainfall days in May: 18.3 days
The month with the highest number of rainy days is May (18.3 days).
The months with the least rainy days are January and February (3.7 days).
Average snowfall in May
Ruby, WI
- Average snowfall in May: 0.59"
The month with the highest snowfall is February (7.44").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in May
Ruby, WI
- Average snowfall days in May: 0.8 days
The month with the highest number of snowfall days is January (17.8 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in May /
Average sunshine in May
Ruby, WI
- Average daylight in May: 14h and 5min
The month with the longest days is June (Average daylight: 15h and 36min).
The month with the shortest days is December (Average daylight: 8h and 48min).
- Average sunshine in May: 8h and 3min
The month with the most sunshine is July (Average sunshine: 9h and 42min).
The months with the least sunshine are January and February (Average sunshine: 2h and 48min).
Average sunshine days in May
Ruby, WI
- Average sunshine days in May: 9.8 days
The month with the most sunshine days is October (15.6 days).
The month with the least sunshine days is June (9.3 days).
Average UV index in May
Ruby, 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
Ruby, WI
- Average cloud cover in May: 45
The months with the most cloud cover are January and February (Cloud cover 72).
The months with the least cloud cover are July and August (Cloud cover 36).
Average visibility in May
Ruby, WI
- Average visibility in May: 6mi
The months with the highest visibility are April, May, June, October and November (6mi).
The months with the lowest visibility are January and February (4mi).
Ruby, Wisconsin, USA
Weather forecast for your location
2. Allow the app to use your location