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's arrival brings a change in high-temperatures, moving from a fresh 53.8°F (12.1°C) in April to an enjoyable 65.8°F (18.8°C). The average temperature drops to a chilly 48.2°F (9°C) during the night in the month of May.Humidity
In Arena, the average relative humidity in May is 81%.Rainfall
In May, the rain falls for 15.7 days. Throughout May, 1.65" (42mm) of precipitation is accumulated. In Arena, during the entire year, the rain falls for 115.3 days and collects up to 13.9" (353mm) of precipitation.Snowfall
May through September are months without snowfall.Daylight
In May, the average length of the day is 14h and 41min.On the first day of the month, sunrise is at 5:51 am and sunset at 8:01 pm. On the last day of May, sunrise is at 5:22 am and sunset at 8:32 pm CDT.
Sunshine
In May, the average sunshine is 8.4h.UV index
In May, the average daily maximum UV index is 4. A UV Index of 3 to 5 symbolizes a medium health hazard from exposure to the Sun's UV radiation for ordinary individuals.Note: In May, a regular UV index of 4 translates into these guidelines:
Exercise care. People with light skin might get burns in fewer than 30 minutes. The Sun's radiation is especially intense around midday; try to stay in shade during this period. Sun-protective clothing, a long-sleeved shirt and pants, a wide-brimmed hat, and UVA and UVB-blocking sunglasses are particularly helpful in blocking UV radiation's harmful effects. Attention! Nearly twice the Sun's UV radiation can be reflected by snow.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the temperature in May?
What is the average humidity in May?
How much does it rain in May?
When it does not snow?
Does it snow in May?
What is the average length of the day in May?
What time are sunrise and sunset in May?
How long on average sun shines in May?
How high is the UV index in May in Arena?
Average temperature in May
Arena, WI
- Average high temperature in May: 65.8°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 (23°F).
- Average low temperature in May: 48.2°F
The month with the highest average low temperature is July (61.3°F).
The coldest month (with the lowest average low temperature) is January (10.8°F).
Average pressure in May
Arena, WI
- Average pressure in May: 29.96"Hg
The months with the highest atmospheric pressure are January and February (30.11"Hg).
The month with the lowest atmospheric pressure is June (29.91"Hg).
Average wind speed in May
Arena, WI
- Average wind speed in May: 8.5mph
The windiest month (with the highest average wind speed) is April (9.9mph).
The calmest month (with the lowest average wind speed) is August (6.5mph).
Average humidity in May
Arena, WI
- Average humidity in May: 81%
The month with the highest relative humidity is January (89%).
The months with the lowest relative humidity are April and October (77%).
Average rainfall in May
Arena, WI
- Average rainfall in May: 1.65"
The wettest month (with the highest rainfall) is June (1.85").
The driest month (with the least rainfall) is January (0.47").
Average rainfall days in May
Arena, WI
- Average rainfall days in May: 15.7 days
The month with the highest number of rainy days is May (15.7 days).
The month with the least rainy days is February (2.6 days).
Average snowfall in May
Arena, WI
- Average snowfall in May: 0"
The month with the highest snowfall is January (2.48").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in May
Arena, WI
- Average snowfall days in May: 0.1 days
The month with the highest number of snowfall days is January (12.2 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in May /
Average sunshine in May
Arena, 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 July (Average sunshine: 9h and 48min).
The month with the least sunshine is January (Average sunshine: 3h and 12min).
Average sunshine days in May
Arena, WI
- Average sunshine days in May: 11.7 days
The months with the most sunshine days are October and December (19.3 days).
The month with the least sunshine days is June (11.5 days).
Average UV index in May
Arena, WI
- Average UV index in May: 4
The month with the highest UV index is July (UV index 6).
The months with the lowest UV index are January, November and December (UV index 1).
Average cloud cover in May
Arena, WI
- Average cloud cover in May: 44
The month with the most cloud cover is January (Cloud cover 66).
The months with the least cloud cover are July, August and September (Cloud cover 34).
Average visibility in May
Arena, WI
- Average visibility in May: 6mi
The months with the highest visibility are March, April, May, June, October, November and December (6mi).
The months with the lowest visibility are January, February, July, August and September (5mi).
Arena, Wisconsin, USA
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