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 arrival of May brings an increase in high-temperatures, moving from a cool 54°F (12.2°C) in April to an enjoyable 66.6°F (19.2°C). May nights in Helenville experience a consistent temperature drop to a chilly 48.7°F (9.3°C).Humidity
In May, the average relative humidity in Helenville is 79%.Rainfall
In May, the rain falls for 19.6 days. Throughout May, 3.27" (83mm) of precipitation is accumulated. In Helenville, Wisconsin, during the entire year, the rain falls for 149.4 days and collects up to 28.82" (732mm) of precipitation.Snowfall
Months with snowfall in Helenville are January through May, October through December. May is the last month it regularly snows in Helenville. During 0.3 snowfall days, in May, Helenville aggregates 0.08" (2mm) of snow. In Helenville, during the entire year, snow falls for 58 days and aggregates up to 21.85" (555mm) of snow.Daylight
The average length of the day in May is 14h and 41min.On the first day of May in Helenville, sunrise is at 5:47 am and sunset at 7:56 pm. On the last day of the month, sunrise is at 5:18 am and sunset at 8:26 pm CDT.
Sunshine
The average sunshine in May is 8.5h.UV index
The average daily maximum UV index in May in Helenville, Wisconsin, is 5. A UV Index value of 3 to 5 symbolizes a moderate health risk from exposure to the Sun's UV rays for the ordinary person.Note: The maximum daily UV index of 5 during May translates into the following directions:
Ensure safety - Recommendations to avert sunburn are presented. The solar radiation around mid-day is intense; avoid the Sun and stay safe. Safeguard your eyes, ears, and face from sun rays with the aid of a wide-brim hat. Stay alert! Snow's reflective properties can almost double the UV radiation from the Sun.
Frequently asked questions
What is the temperature in May in Helenville?
What is the average humidity in May in Helenville?
How much does it rain in Helenville in May?
What is the last month it snows in Helenville?
What is the average length of the day in May in Helenville?
When is the sunrise / sunset in May in Helenville?
How long on average sun shines in May in Helenville?
How high is the UV index in May in Helenville?
Average temperature in May
Helenville, WI
- Average high temperature in May: 66.6°F
The warmest month (with the highest average high temperature) is July (79.3°F).
The month with the lowest average high temperature is January (24.3°F).
- Average low temperature in May: 48.7°F
The month with the highest average low temperature is July (61.5°F).
The coldest month (with the lowest average low temperature) is January (12°F).
Average pressure in May
Helenville, WI
- Average pressure in May: 29.96"Hg
The month with the highest atmospheric pressure is January (30.11"Hg).
The month with the lowest atmospheric pressure is June (29.91"Hg).
Average wind speed in May
Helenville, 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 (6.4mph).
Average humidity in May
Helenville, 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
Helenville, WI
- Average rainfall in May: 3.27"
The wettest month (with the highest rainfall) is June (3.78").
The driest months (with the least rainfall) are January and February (1.42").
Average rainfall days in May
Helenville, WI
- Average rainfall days in May: 19.6 days
The month with the highest number of rainy days is May (19.6 days).
The month with the least rainy days is February (5 days).
Average snowfall in May
Helenville, WI
- Average snowfall in May: 0.08"
The month with the highest snowfall is February (5.39").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in May
Helenville, WI
- Average snowfall days in May: 0.3 days
The month with the highest number of snowfall days is January (15.4 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in May /
Average sunshine in May
Helenville, 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 3min
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 24min).
Average sunshine days in May
Helenville, WI
- Average sunshine days in May: 9.8 days
The month with the most sunshine days is November (16.1 days).
The months with the least sunshine days are May and June (9.8 days).
Average UV index in May
Helenville, WI
- Average UV index in May: 5
The month with the highest UV index is June (UV index 6).
The months with the lowest UV index are January and December (UV index 1).
Average cloud cover in May
Helenville, WI
- Average cloud cover in May: 44
The month with the most cloud cover is January (Cloud cover 65).
The month with the least cloud cover is August (Cloud cover 34).
Average visibility in May
Helenville, WI
- Average visibility in May: 6mi
The months with the highest visibility are March, April, May, June, October and November (6mi).
The months with the lowest visibility are January, February, July, August, September and December (5mi).
Helenville, Wisconsin, USA
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