May weather forecast
Saint Clair, MN

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Weather in May

The last month of the spring, May, is a refreshing month in Saint Clair, Minnesota, with an average temperature varying between 51.3°F (10.7°C) and 67.6°F (19.8°C).

Temperature

May brings a rise in the average high-temperature, transitioning from April's cool 54.7°F (12.6°C) to a refreshing 67.6°F (19.8°C). The nighttime temperature, during May, averages of 51.3°F (10.7°C).

Humidity

In Saint Clair, the average relative humidity in May is 70%.

Rainfall

In Saint Clair, Minnesota, in May, it is raining for 13.2 days, with typically 1.93" (49mm) of accumulated precipitation. In Saint Clair, during the entire year, the rain falls for 97.8 days and collects up to 14.21" (361mm) of precipitation.

Snowfall

May through September are months without snowfall.

Daylight

The average length of the day in May is 14h and 47min.
On the first day of May, sunrise is at 6:05 am and sunset at 8:19 pm. On the last day of the month, sunrise is at 5:35 am and sunset at 8:51 pm CDT.

Sunshine

In May, the average sunshine is 8.5h.

UV index

The average daily maximum UV index in May in Saint Clair is 5. A UV Index estimate of 3 to 5 represents a moderate health risk from unprotected exposure to Sun's UV rays for the average person.
Note: In May, the maximum UV index of 5 translates into these guidelines:
Take necessary precautions - Defending against sun damage is advocated. Direct exposure to the Sun during its peak hours around mid-day should be minimized for safety. It's wise to wear UVA and UVB-blocking sunglasses when the sun shines brightly. Take careful note! The UV radiation of the Sun can be nearly doubled by snow reflection.
Updated: Aug 16, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What is the average May temperature?

An average high-temperature, in May, in Saint Clair, is 67.6°F (19.8°C) and the average low-temperature is 51.3°F (10.7°C).

What is the average humidity in May?

The average relative humidity in May is 70%.

How many days does it rain in May in Saint Clair?

In May, the rain falls for 13.2 days. Throughout May, 1.93" (49mm) of precipitation is accumulated.

When it does not snow?

May through September are months without snowfall.

Does it snow in May?

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

How many hours of daylight does Saint Clair have in May?

In May, the average day length is 14h and 47min.

What time are sunrise and sunset in May?

On the first day of May, sunrise is at 6:05 am and sunset at 8:19 pm. On the last day of the month, sunrise is at 5:35 am and sunset at 8:51 pm CDT.

How long on average sun shines in May?

In May, the average sunshine duration is 8.5h.

What is the UV index intensity in May?

In Saint Clair, Minnesota, the average daily maximum UV index in May is 5. A UV Index of 3 to 5 symbolizes a medium hazard to health from unsafe 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 Clair, MN

Average temperature in May - Saint Clair, MN
  • Average high temperature in May: 67.6°F

The warmest month (with the highest average high temperature) is July (80.4°F).
The month with the lowest average high temperature is January (21.6°F).

  • Average low temperature in May: 51.3°F

The month with the highest average low temperature is July (62.6°F).
The coldest month (with the lowest average low temperature) is January (7.9°F).

Average pressure in May
Saint Clair, MN

Average pressure in May - Saint Clair, MN
  • Average pressure in May: 29.93"Hg

The months with the highest atmospheric pressure are January and February (30.14"Hg).
The month with the lowest atmospheric pressure is June (29.88"Hg).

Average wind speed in May
Saint Clair, MN

Average wind speed in May - Saint Clair, MN
  • Average wind speed in May: 8.9mph

The windiest month (with the highest average wind speed) is April (10.1mph).
The calmest months (with the lowest average wind speed) are July and August (7.3mph).

Average humidity in May
Saint Clair, MN

Average humidity in May - Saint Clair, MN
  • Average humidity in May: 70%

The month with the highest relative humidity is January (90%).
The month with the lowest relative humidity is October (69%).

Average rainfall in May
Saint Clair, MN

Average rainfall in May - Saint Clair, MN
  • Average rainfall in May: 1.93"

The wettest month (with the highest rainfall) is June (2.48").
The driest month (with the least rainfall) is January (0.39").

Average rainfall days in May
Saint Clair, MN

Average rainfall days in May - Saint Clair, MN
  • Average rainfall days in May: 13.2 days

The month with the highest number of rainy days is June (14.7 days).
The month with the least rainy days is February (1.3 days).

Average snowfall in May
Saint Clair, MN

Average snowfall in May - Saint Clair, MN
  • Average snowfall in May: 0"

The month with the highest snowfall is February (3.5").
The months with the least snowfall are May, June, July, August and September (0").

Average snowfall days in May
Saint Clair, MN

Average snowfall days in May - Saint Clair, MN
  • Average snowfall days in May: 0.1 days

The month with the highest number of snowfall days is January (10.4 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 Clair, MN

Average daylight in May / Average sunshine in May - Saint Clair, MN
  • Average daylight in May: 14h and 5min

The month with the longest days is June (Average daylight: 15h and 24min).
The month with the shortest days is December (Average daylight: 8h and 54min).

  • Average sunshine in May: 8h and 3min

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).

Average sunshine days in May
Saint Clair, MN

Average sunshine days in May - Saint Clair, MN
  • Average sunshine days in May: 15.4 days

The month with the most sunshine days is October (21.5 days).
The month with the least sunshine days is June (13.6 days).

Average UV index in May
Saint Clair, MN

Average UV index in May - Saint Clair, MN
  • Average UV index in May: 5

The months with the highest UV index are June and 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 Clair, MN

Average cloud cover in May - Saint Clair, MN
  • Average cloud cover in May: 43

The month with the most cloud cover is January (Cloud cover 65).
The months with the least cloud cover are July and August (Cloud cover 32).

Average visibility in May
Saint Clair, MN

Average visibility in May - Saint Clair, MN
  • Average visibility in May: 6mi

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

Saint Clair, Minnesota, USA

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