May weather forecast
Saint Germain, WI

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Weather in May

May, the last month of the spring in Saint Germain, is a comfortable month, with an average temperature ranging between max 63.1°F (17.3°C) and min 42.4°F (5.8°C).

Temperature

May is characterized by a clear rise in the average high-temperature, escalating from April's chilly 46°F (7.8°C) to an enjoyable 63.1°F (17.3°C). Saint Germain's May nights cool down to an average low-temperature of 42.4°F (5.8°C).

Humidity

The least humid month is May, with an average relative humidity of 71%.

Rainfall

The wettest months are April and May, with an average 2.64" (67mm) of rainfall.

Snowfall

January through May, October through December are months with snowfall. May is the last month it regularly snows. During 1.3 snowfall days, in May, Saint Germain aggregates 0.71" (18mm) of snow. Throughout the year, there are 118.9 snowfall days, and 53.35" (1355mm) of snow is accumulated.

Daylight

In May, the average length of the day is 14h and 58min.
On the first day of May, sunrise is at 5:43 am and sunset at 8:06 pm. On the last day of the month, sunrise is at 5:11 am and sunset at 8:40 pm CDT.

Sunshine

In Saint Germain, the average sunshine in May is 8.4h.

UV index

The average daily maximum UV index in May is 4. A UV Index value of 3 to 5 symbolizes a moderate threat to health from unprotected exposure to Sun's UV rays for average individuals.
Note: A maximum high UV index of 4 in May translates into the following recommendations:
Guard yourself - An obligation to protect skin and eyes from harm exists. The mid-day Sun emits the most powerful UV radiation, so seek shade and minimize exposure. In the presence of strong sunlight, it's crucial to wear sunglasses that ward off UVA and UVB rays. Mind this! Nearly twice the UV radiation from the Sun can be reflected by the snow.
Updated: Jul 21, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What are the temperatures in May?

The high-temperature during May is 63.1°F (17.3°C) and the low-temperature is 42.4°F (5.8°C).

What is the least humid month?

May is the least humid month, with an average relative humidity of 71%.

What is the average humidity in May?

The average relative humidity in May is 71%.

What is the wettest month?

The wettest months are April and May, with an average 2.64" (67mm) of rainfall.

How much does it rain in May?

In Saint Germain, in May, it is raining for 15.3 days, with typically 2.64" (67mm) of accumulated precipitation.

What is the last month it snows?

May is the last month it regularly snows. During 1.3 snowfall days, in May, Saint Germain aggregates 0.71" (18mm) of snow.

What is the average length of the day in May?

In May, the average day length is 14h and 58min.

When are sunrise and sunset in May?

On the first day of May in Saint Germain, sunrise is at 5:43 am and sunset at 8:06 pm. On the last day of the month, sunrise is at 5:11 am and sunset at 8:40 pm CDT.

How long on average sun shines in May?

The average sunshine duration in May is 8.4h.

What is the UV index intensity in May in Saint Germain?

In Saint Germain, the average daily maximum UV index in May is 4. A UV Index estimate of 3 to 5 represents a moderate health threat 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
Saint Germain, WI

Average temperature in May - Saint Germain, WI
  • Average high temperature in May: 63.1°F

The warmest month (with the highest average high temperature) is July (76.6°F).
The month with the lowest average high temperature is January (18.9°F).

  • Average low temperature in May: 42.4°F

The month with the highest average low temperature is July (56.1°F).
The coldest month (with the lowest average low temperature) is January (7.9°F).

Average pressure in May
Saint Germain, WI

Average pressure in May - Saint Germain, 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
Saint Germain, WI

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

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

Average humidity in May
Saint Germain, WI

Average humidity in May - Saint Germain, WI
  • Average humidity in May: 71%

The months with the highest relative humidity are January and February (92%).
The month with the lowest relative humidity is May (71%).

Average rainfall in May
Saint Germain, WI

Average rainfall in May - Saint Germain, WI
  • Average rainfall in May: 2.64"

The wettest months (with the highest rainfall) are April and May (2.64").
The driest month (with the least rainfall) is January (1.26").

Average rainfall days in May
Saint Germain, WI

Average rainfall days in May - Saint Germain, WI
  • Average rainfall days in May: 15.3 days

The month with the highest number of rainy days is June (15.8 days).
The month with the least rainy days is January (2.8 days).

Average snowfall in May
Saint Germain, WI

Average snowfall in May - Saint Germain, WI
  • Average snowfall in May: 0.71"

The month with the highest snowfall is December (9.69").
The months with the least snowfall are June, July, August and September (0").

Average snowfall days in May
Saint Germain, WI

Average snowfall days in May - Saint Germain, WI
  • Average snowfall days in May: 1.3 days

The month with the highest number of snowfall days is January (24.9 days).
The months with the least snowfall days are June, July and August (0 days).

Average daylight in May /
Average sunshine in May
Saint Germain, WI

Average daylight in May / Average sunshine in May - Saint Germain, 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 2min

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

Average sunshine days in May
Saint Germain, WI

Average sunshine days in May - Saint Germain, WI
  • Average sunshine days in May: 12.7 days

The month with the most sunshine days is September (15 days).
The month with the least sunshine days is February (6.4 days).

Average UV index in May
Saint Germain, WI

Average UV index in May - Saint Germain, 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, March, November and December (UV index 1).

Average cloud cover in May
Saint Germain, WI

Average cloud cover in May - Saint Germain, WI
  • Average cloud cover in May: 47

The months with the most cloud cover are January and February (Cloud cover 82).
The month with the least cloud cover is July (Cloud cover 39).

Average visibility in May
Saint Germain, WI

Average visibility in May - Saint Germain, 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 and December (4mi).

Saint Germain, Wisconsin, USA

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