May weather forecast
Saint Croix Falls, WI

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Weather in May

May, the last month of the spring in Saint Croix Falls, is a comfortable month, with an average temperature ranging between max 64.4°F (18°C) and min 46.8°F (8.2°C).

Temperature

The arrival of May brings a temperature shift, with the average high-temperature escalating from a cool 50.9°F (10.5°C) in April to a comfortable 64.4°F (18°C). Saint Croix Falls, during May, witnesses an average low-temperature of 46.8°F (8.2°C).

Humidity

The average relative humidity in May is 76%.

Rainfall

In Saint Croix Falls, during May, the rain falls for 15.4 days and regularly aggregates up to 2.91" (74mm) of precipitation. Throughout the year, there are 130.2 rainfall days, and 23.19" (589mm) of precipitation is accumulated.

Snowfall

Months with snowfall are January through May, October through December. May is the last month it regularly snows. During 0.4 snowfall days, in May, Saint Croix Falls aggregates 0.04" (1mm) of snow. In Saint Croix Falls, during the entire year, snow falls for 70.7 days and aggregates up to 22.28" (566mm) of snow.

Daylight

In Saint Croix Falls, the average length of the day in May is 14h and 55min.
On the first day of the month, sunrise is at 5:57 am and sunset at 8:17 pm. On the last day of May, sunrise is at 5:25 am and sunset at 8:51 pm CDT.

Sunshine

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

UV index

In May, the average daily maximum UV index is 5. A UV Index estimate of 3 to 5 represents a medium vulnerability from exposure to the Sun's UV radiation for the ordinary person.
Note: A daily high UV index of 5 in May leads to these guidelines:
Adopt protective measures - Suggestions to resist sunburn are offered. It's recommended to limit sun exposure when its radiation is at its peak during midday. Combat UV radiation's detrimental effects with sun-safe clothing and UV-blocking eyewear. Take careful note! The UV radiation of the Sun can be nearly doubled by snow reflection.
Updated: Jun 20, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What are the temperatures in May?

Saint Croix Falls in May has an average high-temperature of 64.4°F (18°C) and an average low-temperature of 46.8°F (8.2°C).

What is the average humidity in May?

In Saint Croix Falls, the average relative humidity in May is 76%.

How many days does it rain in May?

In Saint Croix Falls, in May, it is raining for 15.4 days, with typically 2.91" (74mm) of accumulated precipitation.

What is the last month it snows in Saint Croix Falls?

May is the last month it regularly snows. During 0.4 snowfall days, in May, Saint Croix Falls aggregates 0.04" (1mm) of snow.

How many hours of daylight does Saint Croix Falls have in May?

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

When are sunrise and sunset in May?

On the first day of May, sunrise is at 5:57 am and sunset at 8:17 pm. On the last day of the month, sunrise is at 5:25 am and sunset at 8:51 pm CDT.

How many hours of sunshine does Saint Croix Falls have in May?

In Saint Croix Falls, Wisconsin, the average sunshine duration in May is 8.4h.

How high is the UV index in May?

The average daily maximum UV index in May is 5. A UV Index of 3 to 5 symbolizes a medium hazard to health 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
Saint Croix Falls, WI

Average temperature in May - Saint Croix Falls, WI
  • Average high temperature in May: 64.4°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 (18.3°F).

  • Average low temperature in May: 46.8°F

The month with the highest average low temperature is July (60.1°F).
The coldest month (with the lowest average low temperature) is January (5.2°F).

Average pressure in May
Saint Croix Falls, WI

Average pressure in May - Saint Croix Falls, WI
  • Average pressure in May: 29.94"Hg

The month with the highest atmospheric pressure is February (30.13"Hg).
The month with the lowest atmospheric pressure is June (29.88"Hg).

Average wind speed in May
Saint Croix Falls, WI

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

The windiest month (with the highest average wind speed) is April (9.7mph).
The calmest month (with the lowest average wind speed) is July (6.8mph).

Average humidity in May
Saint Croix Falls, WI

Average humidity in May - Saint Croix Falls, WI
  • Average humidity in May: 76%

The month with the highest relative humidity is January (92%).
The month with the lowest relative humidity is April (75%).

Average rainfall in May
Saint Croix Falls, WI

Average rainfall in May - Saint Croix Falls, WI
  • Average rainfall in May: 2.91"

The wettest month (with the highest rainfall) is June (3.74").
The driest month (with the least rainfall) is January (0.67").

Average rainfall days in May
Saint Croix Falls, WI

Average rainfall days in May - Saint Croix Falls, WI
  • Average rainfall days in May: 15.4 days

The month with the highest number of rainy days is June (17.4 days).
The month with the least rainy days is February (3.2 days).

Average snowfall in May
Saint Croix Falls, WI

Average snowfall in May - Saint Croix Falls, WI
  • Average snowfall in May: 0.04"

The month with the highest snowfall is December (4.8").
The months with the least snowfall are June, July, August and September (0").

Average snowfall days in May
Saint Croix Falls, WI

Average snowfall days in May - Saint Croix Falls, WI
  • Average snowfall days in May: 0.4 days

The month with the highest number of snowfall days is January (16.8 days).
The months with the least snowfall days are June, July, August and September (0 days).

Average daylight in May /
Average sunshine in May
Saint Croix Falls, WI

Average daylight in May / Average sunshine in May - Saint Croix Falls, 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 42min).
The month with the least sunshine is January (Average sunshine: 2h and 48min).

Average sunshine days in May
Saint Croix Falls, WI

Average sunshine days in May - Saint Croix Falls, WI
  • Average sunshine days in May: 13.8 days

The month with the most sunshine days is October (16.1 days).
The month with the least sunshine days is June (10.2 days).

Average UV index in May
Saint Croix Falls, WI

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

The month with the highest UV index is July (UV index 6).
The months with the lowest UV index are January, February, November and December (UV index 1).

Average cloud cover in May
Saint Croix Falls, WI

Average cloud cover in May - Saint Croix Falls, WI
  • Average cloud cover in May: 44

The month with the most cloud cover is January (Cloud cover 71).
The months with the least cloud cover are July and August (Cloud cover 34).

Average visibility in May
Saint Croix Falls, WI

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

The months with the highest visibility are April, May, June, July, September, October and November (6mi).
The month with the lowest visibility is January (4mi).

Saint Croix Falls, Wisconsin, USA

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