May weather forecast
Butternut, WI

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Weather in May

The last month of the spring, May, is a comfortable month in Butternut, Wisconsin, with temperature in the range of an average high of 63.9°F (17.7°C) and an average low of 43.2°F (6.2°C).

Temperature

Butternut's May weather is characterized by a distinct upsurge in high-temperatures, soaring from April's chilly 47.5°F (8.6°C) to an enjoyable 63.9°F (17.7°C). In May, Butternut records an average nighttime temperature of 43.2°F (6.2°C).

Humidity

With an average relative humidity of 72%, May is the least humid month.

Rainfall

The month with the most rainfall is May, when the rain falls for 14.8 days and typically aggregates up to 2.99" (76mm) of precipitation.

Snowfall

January through May, October through December are months with snowfall. May is the last month it regularly snows. During 1.6 snowfall days, in May, Butternut aggregates 1.06" (27mm) of snow. Throughout the year, there are 102 snowfall days, and 39.57" (1005mm) of snow is accumulated.

Daylight

The average length of the day in May is 14h and 59min.
On the first day of the month, sunrise is at 5:47 am and sunset at 8:10 pm. On the last day of May, sunrise is at 5:14 am and sunset at 8:44 pm CDT.

Sunshine

In Butternut, the average sunshine in May is 8.2h.

UV index

In Butternut, the average daily maximum UV index in May is 4. A UV Index estimate of 3 to 5 represents a moderate threat to health from unprotected exposure to Sun's UV rays for the average person.
Note: In May, the maximum UV index of 4 suggests this advice:
Exercise prevention - Warding off sunburn is urged. When the Sun's UV radiation is most intense during midday, it's best to find shade and limit exposure. On sunny days, it's ideal to wear sunglasses that filter out UVA and UVB rays. Take heed! The reflection of snow can intensify the Sun's UV radiation nearly double.
Updated: Jun 11, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What is the temperature in May?

The high-temperature, in May, in Butternut, is 63.9°F (17.7°C), while the low-temperature averages to 43.2°F (6.2°C).

What is the least humid month in Butternut?

The least humid month is May, with an average relative humidity of 72%.

What is the average humidity in May?

In May, the average relative humidity is 72%.

What is the rainiest month?

May is the month with the most rainfall. Rain falls for 14.8 days and accumulates 2.99" (76mm) of precipitation.

How many days does it rain in May in Butternut?

In Butternut, in May, during 14.8 rainfall days, 2.99" (76mm) of precipitation is typically accumulated.

What is the last month it snows?

May is the last month it regularly snows. During 1.6 snowfall days, in May, Butternut aggregates 1.06" (27mm) of snow.

How many hours of daylight does Butternut have in May?

The average day length in May is 14h and 59min.

When are sunrise and sunset in May?

On the first day of May, sunrise is at 5:47 am and sunset at 8:10 pm. On the last day of the month, sunrise is at 5:14 am and sunset at 8:44 pm CDT.

How long on average sun shines in May?

In May, the average sunshine duration is 8.2h.

What is the UV index reading in May?

The average daily maximum UV index in May in Butternut is 4. A UV Index reading of 3 to 5 represents a medium hazard to health from unsafe exposure to Sun's UV rays.
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
Butternut, WI

Average temperature in May - Butternut, WI
  • Average high temperature in May: 63.9°F

The warmest month (with the highest average high temperature) is July (78.4°F).
The month with the lowest average high temperature is January (18°F).

  • Average low temperature in May: 43.2°F

The month with the highest average low temperature is July (56.8°F).
The coldest month (with the lowest average low temperature) is January (6.1°F).

Average pressure in May
Butternut, WI

Average pressure in May - Butternut, WI
  • Average pressure in May: 29.96"Hg

The month with the highest atmospheric pressure is February (30.1"Hg).
The month with the lowest atmospheric pressure is June (29.9"Hg).

Average wind speed in May
Butternut, WI

Average wind speed in May - Butternut, WI
  • Average wind speed in May: 8mph

The windiest months (with the highest average wind speed) are April and November (8.6mph).
The calmest month (with the lowest average wind speed) is August (6.8mph).

Average humidity in May
Butternut, WI

Average humidity in May - Butternut, WI
  • Average humidity in May: 72%

The months with the highest relative humidity are January and February (93%).
The month with the lowest relative humidity is May (72%).

Average rainfall in May
Butternut, WI

Average rainfall in May - Butternut, WI
  • Average rainfall in May: 2.99"

The wettest month (with the highest rainfall) is May (2.99").
The driest month (with the least rainfall) is January (0.94").

Average rainfall days in May
Butternut, WI

Average rainfall days in May - Butternut, WI
  • Average rainfall days in May: 14.8 days

The month with the highest number of rainy days is June (15.3 days).
The months with the least rainy days are January and February (2.3 days).

Average snowfall in May
Butternut, WI

Average snowfall in May - Butternut, WI
  • Average snowfall in May: 1.06"

The month with the highest snowfall is December (7.56").
The months with the least snowfall are June, July, August and September (0").

Average snowfall days in May
Butternut, WI

Average snowfall days in May - Butternut, WI
  • Average snowfall days in May: 1.6 days

The month with the highest number of snowfall days is January (21.5 days).
The months with the least snowfall days are June, July, August and September (0 days).

Average daylight in May /
Average sunshine in May
Butternut, WI

Average daylight in May / Average sunshine in May - Butternut, WI
  • Average daylight in May: 15h and 0min

The month with the longest days is June (Average daylight: 15h and 42min).
The month with the shortest days is December (Average daylight: 8h and 42min).

  • Average sunshine in May: 8h and 1min

The month with the most sunshine is July (Average sunshine: 9h and 42min).
The month with the least sunshine is January (Average sunshine: 2h and 0min).

Average sunshine days in May
Butternut, WI

Average sunshine days in May - Butternut, WI
  • Average sunshine days in May: 13 days

The month with the most sunshine days is August (14.9 days).
The month with the least sunshine days is April (9.7 days).

Average UV index in May
Butternut, WI

Average UV index in May - Butternut, WI
  • Average UV index in May: 4

The months with the highest UV index are June, July and August (UV index 5).
The months with the lowest UV index are January, February, March, November and December (UV index 1).

Average cloud cover in May
Butternut, WI

Average cloud cover in May - Butternut, WI
  • Average cloud cover in May: 47

The month with the most cloud cover is January (Cloud cover 83).
The month with the least cloud cover is July (Cloud cover 39).

Average visibility in May
Butternut, WI

Average visibility in May - Butternut, WI
  • Average visibility in May: 6mi

The months with the highest visibility are May and June (6mi).
The months with the lowest visibility are January, February, March and December (4mi).

Butternut, Wisconsin, USA

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