May weather forecast
Butler, WI

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Weather in May

The last month of the spring, May, is a refreshing month in Butler, Wisconsin, with an average temperature ranging between min 47.7°F (8.7°C) and max 61.7°F (16.5°C).

Temperature

May brings a rise in the average high-temperature, transitioning from April's cool 50°F (10°C) to a comfortable 61.7°F (16.5°C). Throughout May, an average low-temperature of 47.7°F (8.7°C) is experienced in Butler.

Humidity

In Butler, the average relative humidity in May is 78%.

Rainfall

In Butler, in May, during 17.3 rainfall days, 3.15" (80mm) of precipitation is typically accumulated. In Butler, during the entire year, the rain falls for 143.3 days and collects up to 28.11" (714mm) of precipitation.

Snowfall

In Butler, snow does not fall in May through September.

Daylight

In May, the average length of the day in Butler, Wisconsin, is 14h and 41min.
On the first day of May in Butler, sunrise is at 5:44 am and sunset at 7:54 pm. On the last day of the month, sunrise is at 5:15 am and sunset at 8:24 pm CDT.

Sunshine

The average sunshine in May in Butler is 8.8h.

UV index

In May, the average daily maximum UV index is 4. A UV Index estimate of 3 to 5 represents a moderate health risk from exposure to the Sun's UV rays for average individuals.
Note: The maximum UV index of 4 during May leads to these instructions:
Ensure safety - Sun damage prevention is strongly urged. To guard against the harmful effects of the Sun, minimize exposure during midday. During bright days, sunglasses that offer UVA and UVB defense are recommended. Be aware! The reflective nature of snow can magnify the Sun's UV radiation almost twofold.
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Frequently asked questions

What is the average May temperature in Butler?

May temperatures in Butler, Wisconsin, vary between a high-temperature of 61.7°F (16.5°C) and a low-temperature of 47.7°F (8.7°C).

What is the average humidity in May in Butler?

In May, the average relative humidity in Butler is 78%.

How much does it rain in Butler in May?

In Butler, in May, during 17.3 rainfall days, 3.15" (80mm) of precipitation is typically accumulated.

When it does not snow in Butler?

May through September are months without snowfall in Butler, Wisconsin.

Does it snow in Butler in May?

In May, it doesn't snow. April is the latest month when it typically snows.

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

The average day length in May in Butler, Wisconsin, is 14h and 41min.

When is the sunrise / sunset in May in Butler?

On the first day of May, sunrise is at 5:44 am and sunset at 7:54 pm. On the last day of the month, sunrise is at 5:15 am and sunset at 8:24 pm CDT.

How long on average sun shines in May in Butler?

In May, the average sunshine duration in Butler is 8.8h.

What is the UV index reading in May in Butler?

In Butler, the average daily maximum UV index in May is 4. A UV Index value of 3 to 5 symbolizes a moderate health threat from exposure to Sun's UV rays.
Average humidity
Average rainfall days
Average snowfall
Average snowfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in May
Butler, WI

Average temperature in May - Butler, WI
  • Average high temperature in May: 61.7°F

The warmest month (with the highest average high temperature) is July (77.7°F).
The month with the lowest average high temperature is January (25.9°F).

  • Average low temperature in May: 47.7°F

The month with the highest average low temperature is July (64°F).
The coldest month (with the lowest average low temperature) is January (15.8°F).

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Average pressure in May
Butler, WI

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

The months with the highest atmospheric pressure are January, February and March (30.09"Hg).
The month with the lowest atmospheric pressure is June (29.92"Hg).

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Average wind speed in May
Butler, WI

Average wind speed in May - Butler, WI
  • Average wind speed in May: 8.8mph

The windiest month (with the highest average wind speed) is January (11.3mph).
The calmest months (with the lowest average wind speed) are July and August (7.1mph).

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Average humidity in May
Butler, WI

Average humidity in May - Butler, WI
  • Average humidity in May: 78%

The month with the highest relative humidity is January (86%).
The month with the lowest relative humidity is October (75%).

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Average rainfall in May
Butler, WI

Average rainfall in May - Butler, WI
  • Average rainfall in May: 3.15"

The wettest month (with the highest rainfall) is July (3.39").
The driest month (with the least rainfall) is February (1.42").

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Average rainfall days in May
Butler, WI

Average rainfall days in May - Butler, WI
  • Average rainfall days in May: 17.3 days

The month with the highest number of rainy days is May (17.3 days).
The month with the least rainy days is February (4.9 days).

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Average snowfall in May
Butler, WI

Average snowfall in May - Butler, WI
  • Average snowfall in May: 0"

The month with the highest snowfall is January (5.08").
The months with the least snowfall are May, June, July, August and September (0").

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Average snowfall days in May
Butler, WI

Average snowfall days in May - Butler, WI
  • Average snowfall days in May: 0.2 days

The month with the highest number of snowfall days is January (14.1 days).
The months with the least snowfall days are June, July, August and September (0 days).

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

Average daylight in May / Average sunshine in May - Butler, 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 5min

The months with the most sunshine are July and August (Average sunshine: 10h and 24min).
The month with the least sunshine is January (Average sunshine: 3h and 36min).

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Average sunshine days in May
Butler, WI

Average sunshine days in May - Butler, WI
  • Average sunshine days in May: 11.7 days

The month with the most sunshine days is September (16.4 days).
The month with the least sunshine days is April (10.9 days).

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Average UV index in May
Butler, WI

Average UV index in May - Butler, 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 and December (UV index 1).

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Average cloud cover in May
Butler, WI

Average cloud cover in May - Butler, WI
  • Average cloud cover in May: 42

The month with the most cloud cover is January (Cloud cover 63).
The month with the least cloud cover is August (Cloud cover 28).

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Average visibility in May
Butler, WI

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

The months with the highest visibility are February, March, April, May, June, July, August, September, October, November and December (6mi).
The month with the lowest visibility is January (5mi).

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Butler, Wisconsin, USA

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