May weather forecast
Helenville, WI

Share

Weather in May

The last month of the spring, May, is a comfortable month in Helenville, Wisconsin, with an average temperature fluctuating between 66.6°F (19.2°C) and 48.7°F (9.3°C).

Temperature

Helenville's May weather brings a rise in high-temperatures, moving from a cool 54°F (12.2°C) in April to an enjoyable 66.6°F (19.2°C). Throughout May, Helenville anticipates an average low-temperature of 48.7°F (9.3°C).

Humidity

The average relative humidity in May in Helenville is 79%.

Rainfall

In Helenville, in May, during 19.6 rainfall days, 3.27" (83mm) of precipitation is typically accumulated. Throughout the year, there are 149.4 rainfall days, and 28.82" (732mm) of precipitation is accumulated.

Snowfall

January through May, October through December are months with snowfall. May is the last month it regularly snows. During 0.3 snowfall days, in May, Helenville aggregates 0.08" (2mm) of snow. Throughout the year, there are 58 snowfall days, and 21.85" (555mm) of snow is accumulated.

Daylight

In May, the average length of the day is 14h and 41min.
On the first day of May, 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

In Helenville, the average sunshine in May is 8.5h.

UV index

In Helenville, Wisconsin, the average daily maximum UV index in May is 5. A UV Index value of 3 to 5 symbolizes a moderate threat to health from exposure to the Sun's UV rays for average individuals.
Note: The maximum UV index of 5 during May translates into these guidelines:
Make use of precautions - Shielding skin and eyes from injury is a requirement. It's crucial to reduce time in the direct Sun around mid-day due to the intense solar radiation. Tightly woven clothing, when worn loosely, shields effectively against the Sun. Take into account! The reflection from snow can nearly double the Sun's UV radiation intensity.

Frequently asked questions

What is the average May temperature?

Helenville in May has an average high-temperature of 66.6°F (19.2°C) and an average low-temperature of 48.7°F (9.3°C).

What is the average humidity in May?

The average relative humidity in May in Helenville is 79%.

How much does it rain in May?

In May, the rain falls for 19.6 days. Throughout May, 3.27" (83mm) of precipitation is accumulated.

What is the last month it snows?

May is the last month it regularly snows in Helenville. During 0.3 snowfall days, in May, Helenville aggregates 0.08" (2mm) of snow.

What is the average length of the day in May in Helenville?

In May, the average day length is 14h and 41min.

What time are sunrise and sunset in May?

In May, on the first day of the month, 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.

How many hours of sunshine does Helenville have in May?

In Helenville, the average sunshine duration in May is 8.5h.

How high is the UV index in May?

In Helenville, the average daily maximum UV index in May is 5. A UV Index value of 3 to 5 symbolizes a medium hazard to health from exposure to the Sun's UV radiation.
Average humidity
Average rainfall days
Average snowfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in May
Helenville, WI

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 - 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 - 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 - 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 - 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 - 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 - 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 - 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 / 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 - 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 - 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 - 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 - 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

Weather forecast for your location

1. Click Locate me button
2. Allow the app to use your location