Climate and monthly weather forecast
Saint Clair, MN

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Weather in January

January, like December, is a freezing cold winter month in Saint Clair, Minnesota, with an average temperature ranging between min 7.9°F (-13.4°C) and max 21.6°F (-5.8°C). With average high and low temperatures of 21.6°F (-5.8°C) and 7.9°F (-13.4°C) respectively, January is Saint Clair's coldest month. Weather in January »

Weather in February

February, the last month of the winter in Saint Clair, is also a subzero cold month, with an average temperature varying between 11.5°F (-11.4°C) and 25.3°F (-3.7°C). Saint Clair starts February with an average high-temperature of a still freezing cold 25.3°F (-3.7°C), hinting at a minimal fluctuation from January. Weather in February »

Weather in March

March, the first month of the spring in Saint Clair, is a cold month, with temperature in the range of an average high of 40.6°F (4.8°C) and an average low of 26.6°F (-3°C). March's onset brings a clear escalation in the average high-temperature, soaring from a subzero cold 25.3°F (-3.7°C) in February to an icy 40.6°F (4.8°C). Weather in March »

Weather in April

April is a fresh spring month in Saint Clair, Minnesota, with temperature in the range of an average low of 39.4°F (4.1°C) and an average high of 54.7°F (12.6°C). The shift into April is accompanied by a temperature increase, with the average high-temperature rising from an icy 40.6°F (4.8°C) in March to a fresh 54.7°F (12.6°C). Weather in April »

Weather in May

The last month of the spring, May, is a comfortable month in Saint Clair, Minnesota, with temperature in the range of an average high of 67.6°F (19.8°C) and an average low of 51.3°F (10.7°C). May sees a rise in the average high-temperature, climbing from a fresh 54.7°F (12.6°C) in April to an enjoyable 67.6°F (19.8°C). Weather in May »

Weather in June

The first month of the summer, June, is a moderately hot month in Saint Clair, Minnesota, with an average temperature ranging between min 60.4°F (15.8°C) and max 77.4°F (25.2°C). June brings an increase in the average high-temperature, progressing from a refreshing 67.6°F (19.8°C) in May to a moderately hot 77.4°F (25.2°C). Weather in June »

Weather in July

July, the same as June, is a moderately hot summer month in Saint Clair, Minnesota, with an average temperature ranging between max 80.4°F (26.9°C) and min 62.6°F (17°C). Saint Clair, Minnesota, witnesses the warmest weather in July, with temperatures averaging a high of 80.4°F (26.9°C) and a low of 62.6°F (17°C). Weather in July »

Weather in August

August, the last month of the summer in Saint Clair, is another warm month, with an average temperature varying between 78.4°F (25.8°C) and 59.5°F (15.3°C). August observes an average high-temperature of a still moderately hot 78.4°F (25.8°C), marking an insignificant difference from July's 80.4°F (26.9°C). Weather in August »

Weather in September

The first month of the autumn, September, is still a pleasant month in Saint Clair, Minnesota, with an average temperature varying between 53.4°F (11.9°C) and 72.7°F (22.6°C). Saint Clair's weather subtly changes with the onset of September, barely falling from a warm 78.4°F (25.8°C) in August to an agreeable 72.7°F (22.6°C). Weather in September »

Weather in October

October, like September, is a moderate autumn month in Saint Clair, Minnesota, with an average temperature varying between 57°F (13.9°C) and 41.9°F (5.5°C). October's arrival is marked by a significant decrease in the average high-temperature, moving from an agreeable 72.7°F (22.6°C) in September to a moderate 57°F (13.9°C). Weather in October »

Weather in November

The last month of the autumn, November, is another cold month in Saint Clair, Minnesota, with an average temperature varying between 30°F (-1.1°C) and 41.9°F (5.5°C). As Saint Clair welcomes November, the average high-temperature witnesses a distinct drop, moving from a moderate 57°F (13.9°C) in October to an icy 41.9°F (5.5°C). Weather in November »

Weather in December

December, the first month of the winter in Saint Clair, is still a freezing cold month, with temperature in the range of an average high of 26.6°F (-3°C) and an average low of 15.4°F (-9.2°C). A notable decrease in the average high-temperature is observed during December, falling from a cold 41.9°F (5.5°C) in November to a freezing cold 26.6°F (-3°C). Weather in December »
Updated: Feb 12, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What is the coldest time of year in Saint Clair?

With average high temperatures of 21.6°F (-5.8°C) and lows of 7.9°F (-13.4°C), January is the coldest month in Saint Clair, Minnesota.

What is the most humid month in Saint Clair?

The most humid month is January, with an average relative humidity of 90%.

What is the driest month in Saint Clair?

The month with the least rainfall in Saint Clair is January, when the rain falls for 1.7 days and typically collects 0.39" (10mm) of precipitation.

How much does it rain in Saint Clair?

In Saint Clair, Minnesota, during the entire year, the rain falls for 97.8 days and collects up to 14.21" (361mm) of precipitation.

When does it snow in Saint Clair?

Months with snowfall in Saint Clair are January through April, October through December.

How much does it snow in Saint Clair?

In Saint Clair, Minnesota, during the entire year, snow falls for 44.9 days and aggregates up to 12.72" (323mm) of snow.

What is the month with the least sunshine in Saint Clair?

The month with the least sunshine is January, with an average of 3.2h of sunshine.

What are the months with the lowest UV index in Saint Clair?

The months with the lowest UV index in Saint Clair, Minnesota, are January, February, November and December, with an average maximum UV index of 1.

When does it snow the most in Saint Clair?

The month with the most snowfall in Saint Clair is February, when snow falls for 9.8 days and typically aggregates up to 3.5" (89mm) of snow.

When is Daylight Saving Time (DST) in Saint Clair?

On Sunday, March 10. 2024, at 2:00 am, Daylight Saving Time starts, and the time zone changes from CST to CDT. Daylight Saving Time ends Sunday, November 3. 2024, at 2:00 am, and the time zone reverts from CDT to CST.

When it does not snow in Saint Clair?

May through September are months without snowfall in Saint Clair, Minnesota.

What is the rainiest month in Saint Clair?

June is the month with the most rainfall. Rain falls for 14.7 days and accumulates 2.48" (63mm) of precipitation.

When are the longest days in Saint Clair?

June has the longest days of the year in Saint Clair, Minnesota, with an average of 15h and 24min of daylight.

When is the highest UV index in Saint Clair?

The months with the highest UV index in Saint Clair are June and July, with an average maximum UV index of 6.

What part of the year is the hottest in Saint Clair?

Saint Clair registers the average highest temperatures during July, with peaks of 80.4°F (26.9°C) and lows of 62.6°F (17°C).

What month has the most sunshine in Saint Clair?

With an average of 9.9h of sunshine, July has the most sunshine of the year in Saint Clair.

What is the least humid month in Saint Clair?

October is the least humid month, with an average relative humidity of 69%.

What is the month with the shortest days in Saint Clair?

December has the shortest days of the year in Saint Clair, Minnesota, with an average of 8h and 54min of daylight.

Average temperature
Saint Clair, MN

Average temperature - Saint Clair, MN

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).

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
Saint Clair, MN

Average pressure - Saint Clair, MN

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
Saint Clair, MN

Average wind speed - Saint Clair, MN

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
Saint Clair, MN

Average humidity - Saint Clair, MN

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

Average rainfall
Saint Clair, MN

Average rainfall - Saint Clair, MN

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
Saint Clair, MN

Average rainfall days - Saint Clair, MN

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
Saint Clair, MN

Average snowfall - Saint Clair, MN

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
Saint Clair, MN

Average snowfall days - Saint Clair, MN

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 / Average sunshine
Saint Clair, MN

Average daylight / Average sunshine - Saint Clair, MN

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).

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
Saint Clair, MN

Average sunshine days - Saint Clair, MN

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
Saint Clair, MN

Average UV index - Saint Clair, MN

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 visibility
Saint Clair, MN

Average visibility - Saint Clair, MN

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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