May weather forecast
Big Falls, WI

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Weather in May

The last month of the spring, May, is a refreshing month in Big Falls, Wisconsin, with an average temperature varying between 64°F (17.8°C) and 45.5°F (7.5°C).

Temperature

May shows a rise in the average high-temperature, moving from April's cool 50.7°F (10.4°C) to a refreshing 64°F (17.8°C). During May, Big Falls's temperature averages to a frosty 45.5°F (7.5°C) at night.

Humidity

The average relative humidity in May is 77%.

Rainfall

The month with the most rainfall in Big Falls is May, when the rain falls for 15.8 days and typically aggregates up to 2.83" (72mm) of precipitation.

Snowfall

Months with snowfall are January through May, October through December. May is the last month it regularly snows in Big Falls, Wisconsin. During 0.1 snowfall days, in May, Big Falls aggregates 0.2" (5mm) of snow. Throughout the year, in Big Falls, there are 51.8 snowfall days, and 17.28" (439mm) of snow is accumulated.

Daylight

The average length of the day in May is 14h and 50min.
On the first day of the month, sunrise is at 5:44 am and sunset at 8:01 pm. On the last day of May, sunrise is at 5:13 am and sunset at 8:33 pm CDT.

Sunshine

The average sunshine in May in Big Falls is 8.8h.

UV index

The months with the highest UV index in Big Falls are May through August, with an average maximum UV index of 5. A UV Index of 3 to 5 symbolizes a moderate threat to health from exposure to the Sun's UV rays for ordinary individuals.
Note: A maximum high daily UV index of 5 during May translates into the following directions:
Be vigilant - A duty to shield skin and eyes from injury exists. Considering the strength of solar radiation at midday, one should avoid direct Sun exposure. Shield yourself from the harmful effects of UV radiation with sun-protective attire, a hat, and quality sunglasses. Attention! Nearly twice the Sun's UV radiation can be reflected by snow.
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Frequently asked questions

What is the average May temperature in Big Falls?

An average high-temperature, in May, in Big Falls, is 64°F (17.8°C) and the average low-temperature is 45.5°F (7.5°C).

What is the average humidity in May in Big Falls?

In May, the average relative humidity is 77%.

What is the wettest month in Big Falls?

May is the month with the most rainfall in Big Falls. Rain falls for 15.8 days and accumulates 2.83" (72mm) of precipitation.

How much does it rain in Big Falls in May?

In Big Falls, during May, the rain falls for 15.8 days and regularly aggregates up to 2.83" (72mm) of precipitation.

What is the last month it snows in Big Falls?

May is the last month it regularly snows in Big Falls, Wisconsin. During 0.1 snowfall days, in May, Big Falls aggregates 0.2" (5mm) of snow.

What is the average length of the day in May in Big Falls?

In Big Falls, Wisconsin, the average day length in May is 14h and 50min.

When are sunrise and sunset in May in Big Falls?

On the first day of May in Big Falls, sunrise is at 5:44 am and sunset at 8:01 pm. On the last day of the month, sunrise is at 5:13 am and sunset at 8:33 pm CDT.

How long on average sun shines in May in Big Falls?

In Big Falls, Wisconsin, the average sunshine duration in May is 8.8h.

When is the highest UV index in Big Falls?

May through August, with an average maximum UV index of 5, are months with the highest UV index in Big Falls.

What is the UV index intensity in May in Big Falls?

In May, the average daily maximum UV index in Big Falls, Wisconsin, is 5. A UV Index estimate of 3 to 5 represents a medium health risk from unprotected exposure to UV radiation.
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
Big Falls, WI

Average temperature in May - Big Falls, WI
  • Average high temperature in May: 64°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 (21.7°F).

  • Average low temperature in May: 45.5°F

The month with the highest average low temperature is July (59.7°F).
The coldest month (with the lowest average low temperature) is January (10.8°F).

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Average pressure in May
Big Falls, WI

Average pressure in May - Big Falls, 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 (29.91"Hg).

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Average wind speed in May
Big Falls, WI

Average wind speed in May - Big Falls, WI
  • Average wind speed in May: 8.5mph

The windiest month (with the highest average wind speed) is April (9.6mph).
The calmest month (with the lowest average wind speed) is August (6.9mph).

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Average humidity in May
Big Falls, WI

Average humidity in May - Big Falls, WI
  • Average humidity in May: 77%

The month with the highest relative humidity is January (89%).
The month with the lowest relative humidity is April (76%).

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Average rainfall in May
Big Falls, WI

Average rainfall in May - Big Falls, WI
  • Average rainfall in May: 2.83"

The wettest month (with the highest rainfall) is May (2.83").
The driest month (with the least rainfall) is January (0.79").

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Average rainfall days in May
Big Falls, WI

Average rainfall days in May - Big Falls, WI
  • Average rainfall days in May: 15.8 days

The month with the highest number of rainy days is May (15.8 days).
The month with the least rainy days is January (3.5 days).

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Average snowfall in May
Big Falls, WI

Average snowfall in May - Big Falls, WI
  • Average snowfall in May: 0.2"

The month with the highest snowfall is February (4.29").
The months with the least snowfall are June, July, August and September (0").

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Average snowfall days in May
Big Falls, WI

Average snowfall days in May - Big Falls, WI
  • Average snowfall days in May: 0.1 days

The month with the highest number of snowfall days is January (11.8 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
Big Falls, WI

Average daylight in May / Average sunshine in May - Big Falls, WI
  • Average daylight in May: 14h and 5min

The month with the longest days is June (Average daylight: 15h and 30min).
The month with the shortest days is December (Average daylight: 8h and 54min).

  • Average sunshine in May: 8h and 5min

The month with the most sunshine is July (Average sunshine: 10h and 6min).
The month with the least sunshine is January (Average sunshine: 3h and 30min).

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Average sunshine days in May
Big Falls, WI

Average sunshine days in May - Big Falls, WI
  • Average sunshine days in May: 12.6 days

The month with the most sunshine days is January (18.5 days).
The month with the least sunshine days is July (11.3 days).

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Average UV index in May
Big Falls, WI

Average UV index in May - Big Falls, WI
  • Average UV index in May: 5

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

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Average cloud cover in May
Big Falls, WI

Average cloud cover in May - Big Falls, 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 July (Cloud cover 33).

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Average visibility in May
Big Falls, WI

Average visibility in May - Big Falls, WI
  • Average visibility in May: 6mi

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

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Big Falls, Wisconsin, USA

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