May weather forecast
Summit Lake, WI

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Weather in May

May, the last month of the spring in Summit Lake, is a refreshing month, with an average temperature ranging between max 63.1°F (17.3°C) and min 42.8°F (6°C).

Temperature

With the onset of May, Summit Lake's average high-temperature experiences a noticeable rise, advancing from April's frosty 46.9°F (8.3°C) to a refreshing 63.1°F (17.3°C). May nights cool down to an average low-temperature of 42.8°F (6°C).

Humidity

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

Rainfall

In Summit Lake, in May, it is raining for 16.1 days, with typically 2.76" (70mm) of accumulated precipitation. In Summit Lake, during the entire year, the rain falls for 120.4 days and collects up to 22.99" (584mm) of precipitation.

Snowfall

Months with snowfall are January through May, October through December. May is the last month it regularly snows. During 0.9 snowfall days, in May, Summit Lake aggregates 0.51" (13mm) of snow. Throughout the year, there are 96.4 snowfall days, and 43.19" (1097mm) of snow is accumulated.

Daylight

The average length of the day in May is 14h and 55min.
On the first day of the month, sunrise is at 5:43 am and sunset at 8:03 pm. On the last day of May, in Summit Lake, sunrise is at 5:11 am and sunset at 8:37 pm CDT.

Sunshine

In May, the average sunshine is 8.4h.

UV index

In Summit Lake, the average daily maximum UV index in May is 4. A UV Index of 3 to 5 symbolizes a moderate threat to health from exposure to the Sun's UV radiation for average individuals.
Note: During May, 4 as the daily maximum UV index converts into the following advice:
Heed the precautions - It is counselled to guard against solar damage. The Sun's most harmful UV rays are emitted around midday; avoid staying outdoors for long during this time. For minimizing sun-related eye damage, always choose sunglasses with UVA and UVB coverage. Be careful! The Sun's UV radiation can nearly be doubled by the reflective quality of snow.
Updated: Jul 22, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What is the temperature in May?

In May, the average high-temperature and low-temperature are 63.1°F (17.3°C) and 42.8°F (6°C) respectively.

What is the least humid month?

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

What is the average humidity in May?

In Summit Lake, Wisconsin, the average relative humidity in May is 72%.

How many days does it rain in May?

In May, in Summit Lake, the rain falls for 16.1 days. Throughout May, 2.76" (70mm) of precipitation is accumulated.

What is the last month it snows?

May is the last month it regularly snows. During 0.9 snowfall days, in May, Summit Lake aggregates 0.51" (13mm) of snow.

How many hours of daylight does Summit Lake have in May?

In Summit Lake, the average day length in May is 14h and 55min.

When are sunrise and sunset in May?

In May, on the first day of the month, sunrise is at 5:43 am and sunset at 8:03 pm. On the last day of the month, sunrise is at 5:11 am and sunset at 8:37 pm CDT.

How long on average sun shines in May?

The average sunshine duration in May in Summit Lake is 8.4h.

How high is the UV index in May?

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 days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in May
Summit Lake, WI

Average temperature in May - Summit Lake, WI
  • Average high temperature in May: 63.1°F

The warmest month (with the highest average high temperature) is July (77.4°F).
The month with the lowest average high temperature is January (19.8°F).

  • Average low temperature in May: 42.8°F

The month with the highest average low temperature is July (56.5°F).
The coldest month (with the lowest average low temperature) is January (8.4°F).

Average pressure in May
Summit Lake, WI

Average pressure in May - Summit Lake, WI
  • Average pressure in May: 29.97"Hg

The month with the highest atmospheric pressure is March (30.09"Hg).
The month with the lowest atmospheric pressure is June (29.91"Hg).

Average wind speed in May
Summit Lake, WI

Average wind speed in May - Summit Lake, WI
  • Average wind speed in May: 7.8mph

The windiest months (with the highest average wind speed) are April and November (8.5mph).
The calmest month (with the lowest average wind speed) is August (6.7mph).

Average humidity in May
Summit Lake, WI

Average humidity in May - Summit Lake, WI
  • Average humidity in May: 72%

The months with the highest relative humidity are January and February (91%).
The month with the lowest relative humidity is May (72%).

Average rainfall in May
Summit Lake, WI

Average rainfall in May - Summit Lake, WI
  • Average rainfall in May: 2.76"

The wettest month (with the highest rainfall) is June (2.83").
The driest month (with the least rainfall) is January (1.02").

Average rainfall days in May
Summit Lake, WI

Average rainfall days in May - Summit Lake, WI
  • Average rainfall days in May: 16.1 days

The month with the highest number of rainy days is May (16.1 days).
The month with the least rainy days is February (2.4 days).

Average snowfall in May
Summit Lake, WI

Average snowfall in May - Summit Lake, WI
  • Average snowfall in May: 0.51"

The month with the highest snowfall is February (7.8").
The months with the least snowfall are June, July, August and September (0").

Average snowfall days in May
Summit Lake, WI

Average snowfall days in May - Summit Lake, WI
  • Average snowfall days in May: 0.9 days

The month with the highest number of snowfall days is January (20.3 days).
The months with the least snowfall days are June, July, August and September (0 days).

Average daylight in May /
Average sunshine in May
Summit Lake, WI

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

The month with the longest days is June (Average daylight: 15h and 36min).
The month with the shortest days is December (Average daylight: 8h and 48min).

  • Average sunshine in May: 8h and 2min

The month with the most sunshine is July (Average sunshine: 9h and 36min).
The month with the least sunshine is January (Average sunshine: 2h and 12min).

Average sunshine days in May
Summit Lake, WI

Average sunshine days in May - Summit Lake, WI
  • Average sunshine days in May: 12.6 days

The month with the most sunshine days is September (15.3 days).
The month with the least sunshine days is February (10.8 days).

Average UV index in May
Summit Lake, WI

Average UV index in May - Summit Lake, 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, November and December (UV index 1).

Average cloud cover in May
Summit Lake, WI

Average cloud cover in May - Summit Lake, WI
  • Average cloud cover in May: 47

The months with the most cloud cover are January and February (Cloud cover 79).
The month with the least cloud cover is July (Cloud cover 40).

Average visibility in May
Summit Lake, WI

Average visibility in May - Summit Lake, WI
  • Average visibility in May: 6mi

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

Summit Lake, Wisconsin, USA

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