May weather forecast
Spring Green, WI

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Weather in May

May, the last month of the spring in Spring Green, is an enjoyable month, with an average temperature ranging between min 47.8°F and max 66°F.

Temperature

The transition to May introduces an increase in the average high-temperature, shifting from a cool 54°F in April to a refreshing 66°F. Spring Green observes an average nighttime low-temperature of 47.8°F during the month of May.

Humidity

In Spring Green, the average relative humidity in May is 81%.

Rainfall

In Spring Green, during May, the rain falls for 15.7 days and regularly aggregates up to 2.05" of precipitation. In Spring Green, during the entire year, the rain falls for 122.9 days and collects up to 17.76" of precipitation.

Snowfall

In Spring Green, Wisconsin, snow does not fall in May through September.

Daylight

The average length of the day in May is 14h and 41min.
On the first day of May, sunrise is at 5:53 am and sunset at 8:01 pm. On the last day of the month, sunrise is at 5:23 am and sunset at 8:32 pm CDT.

Sunshine

In Spring Green, the average sunshine in May is 8.3h.

UV index

In Spring Green, the average daily maximum UV index in May is 4. A UV Index estimate of 3 to 5 represents a moderate health risk from exposure to the Sun's UV radiation for average individuals.
Note: The average daily UV index of 4 in May transforms into the following instructions:
Be mindful. Those with pale skin might receive burns in fewer than 30 minutes. The solar radiation around mid-day is intense; avoid the Sun and stay safe. Fend off the sun's harsh rays with appropriate clothing, a wide-brim hat, and UV-protective sunglasses. Warning! The reflection from snow can nearly magnify the Sun's UV radiation twofold.
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Frequently asked questions

What are the temperatures in Spring Green in May?

The high-temperature in Spring Green, Wisconsin, during May is 66°F and the low-temperature is 47.8°F.

What is the average humidity in May in Spring Green?

In Spring Green, Wisconsin, the average relative humidity in May is 81%.

How many days does it rain in May in Spring Green?

In Spring Green, in May, during 15.7 rainfall days, 2.05" of precipitation is typically accumulated.

When it does not snow in Spring Green?

May through September are months without snowfall in Spring Green, Wisconsin.

Does it snow in Spring Green in May?

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

What is the average length of the day in May in Spring Green?

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

When is the sunrise / sunset in May in Spring Green?

In May, on the first day of the month, sunrise is at 5:53 am and sunset at 8:01 pm. On the last day of the month, in Spring Green, Wisconsin, sunrise is at 5:23 am and sunset at 8:32 pm CDT.

How long on average sun shines in May in Spring Green?

In Spring Green, Wisconsin, the average sunshine duration in May is 8.3h.

What is the UV index reading in May in Spring Green?

The average daily maximum UV index in May in Spring Green, Wisconsin, is 4. A UV Index reading of 3 to 5 represents a moderate vulnerability from unsafe exposure to Sun's UV rays.
Average high temperature
Average low temperature
Average pressure
Average wind speed
Average max. wind speed
Average wind speed gusts
Average humidity
Average rainfall
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
Spring Green, WI

Average temperature in May - Spring Green, WI
  • Average high temperature in May: 66°F

The warmest month (with the highest average high temperature) is July (79.9°F).
The month with the lowest average high temperature is January (23.4°F).

  • Average low temperature in May: 47.8°F

The month with the highest average low temperature is July (61.2°F).
The coldest month (with the lowest average low temperature) is January (10°F).

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Average pressure in May
Spring Green, WI

Average pressure in May - Spring Green, WI
  • Average pressure in May: 29.95"Hg

The month with the highest atmospheric pressure is January (30.12"Hg).
The month with the lowest atmospheric pressure is June (29.9"Hg).

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Average wind speed in May
Spring Green, WI

Average wind speed in May - Spring Green, WI
  • Average wind speed in May: 8.3mph

The windiest month (with the highest average wind speed) is April (9.6mph).
The calmest month (with the lowest average wind speed) is August (6.3mph).

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Average humidity in May
Spring Green, WI

Average humidity in May - Spring Green, WI
  • Average humidity in May: 81%

The months with the highest relative humidity are January and February (89%).
The month with the lowest relative humidity is April (77%).

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Average rainfall in May
Spring Green, WI

Average rainfall in May - Spring Green, WI
  • Average rainfall in May: 2.05"

The wettest month (with the highest rainfall) is July (2.32").
The driest month (with the least rainfall) is January (0.63").

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Average rainfall days in May
Spring Green, WI

Average rainfall days in May - Spring Green, WI
  • Average rainfall days in May: 15.7 days

The month with the highest number of rainy days is June (16.3 days).
The month with the least rainy days is January (3.2 days).

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Average snowfall in May
Spring Green, WI

Average snowfall in May - Spring Green, WI
  • Average snowfall in May: 0"

The month with the highest snowfall is February (2.91").
The months with the least snowfall are May, June, July, August and September (0").

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Average snowfall days in May
Spring Green, WI

Average snowfall days in May - Spring Green, WI
  • Average snowfall days in May: 0.1 days

The month with the highest number of snowfall days is February (13 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
Spring Green, WI

Average daylight in May / Average sunshine in May - Spring Green, 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 2min

The month with the most sunshine is July (Average sunshine: 9h and 54min).
The month with the least sunshine is January (Average sunshine: 3h and 12min).

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Average sunshine days in May
Spring Green, WI

Average sunshine days in May - Spring Green, WI
  • Average sunshine days in May: 11.8 days

The month with the most sunshine days is November (18.5 days).
The month with the least sunshine days is June (10.9 days).

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Average UV index in May
Spring Green, WI

Average UV index in May - Spring Green, 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, November and December (UV index 1).

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Average cloud cover in May
Spring Green, WI

Average cloud cover in May - Spring Green, WI
  • Average cloud cover in May: 45

The month with the most cloud cover is January (Cloud cover 67).
The months with the least cloud cover are July and August (Cloud cover 34).

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Average visibility in May
Spring Green, WI

Average visibility in May - Spring Green, WI
  • Average visibility in May: 6mi

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

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Spring Green, Wisconsin, USA

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