Climate and monthly weather forecast
Saint Clair, MN

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Weather in January

January, the same as December, in Saint Clair, Minnesota, is another subzero cold winter month, with temperature in the range of an average high of 21.6°F (-5.8°C) and an average low of 7.9°F (-13.4°C). The coldest time of the year is January, with temperatures averaging a high of 21.6°F (-5.8°C) and a low of 7.9°F (-13.4°C). Weather in January »

Weather in February

The last month of the winter, February, is another freezing cold month in Saint Clair, Minnesota, with an average temperature varying between 25.3°F (-3.7°C) and 11.5°F (-11.4°C). The transition from January to February sees an average high-temperature of a still subzero cold 25.3°F (-3.7°C), indicating a minor variance from the prior month. Weather in February »

Weather in March

March, the first month of the spring in Saint Clair, is a wintry 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 indicates a noticeable escalation in the average high-temperature, moving up 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 in Saint Clair, Minnesota, is a cool spring month, with an average temperature ranging between max 54.7°F (12.6°C) and min 39.4°F (4.1°C). With the onset of April, Saint Clair sees a temperature rise, with the average high-temperature moving from March's icy 40.6°F (4.8°C) to a fresh 54.7°F (12.6°C). Weather in April »

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). 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). Weather in May »

Weather in June

June, the first month of the summer in Saint Clair, is a moderately hot month, with an average temperature ranging between max 77.4°F (25.2°C) and min 60.4°F (15.8°C). June brings a rise in Saint Clair's average high-temperature, moving from a comfortable 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 another warm summer month in Saint Clair, Minnesota, with an average temperature varying between 62.6°F (17°C) and 80.4°F (26.9°C). July, recognised by an average high temperature of 80.4°F (26.9°C) and a low of 62.6°F (17°C), is Saint Clair's warmest month. Weather in July »

Weather in August

August, the last month of the summer in Saint Clair, is also a moderately hot month, with temperature in the range of an average low of 59.5°F (15.3°C) and an average high of 78.4°F (25.8°C). August's arrival registers an average high-temperature of a still moderately hot 78.4°F (25.8°C), closely aligning with the temperature of the previous month. Weather in August »

Weather in September

The first month of the autumn, September, is still a pleasant month in Saint Clair, Minnesota, with temperature in the range of an average high of 72.7°F (22.6°C) and an average low of 53.4°F (11.9°C). In Saint Clair, the beginning of September is marked by a marginally lowered average high-temperature, shifting from August's moderately hot 78.4°F (25.8°C) to a pleasant 72.7°F (22.6°C). Weather in September »

Weather in October

October, the same as September, in Saint Clair, Minnesota, is a moderate autumn month, with an average temperature ranging between max 57°F (13.9°C) and min 41.9°F (5.5°C). The start of October is characterized 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

November, the last month of the autumn in Saint Clair, is another cold month, with temperature in the range of an average high of 41.9°F (5.5°C) and an average low of 30°F (-1.1°C). In Saint Clair, the average high-temperature in November drops, 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

The first month of the winter, December, is also a subzero cold month in Saint Clair, Minnesota, with an average temperature fluctuating between 26.6°F (-3°C) and 15.4°F (-9.2°C). A clear decrease in the average high-temperature is observed during December, decreasing from a cold 41.9°F (5.5°C) in November to a freezing cold 26.6°F (-3°C). Weather in December »
Updated: Aug 16, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What is the coldest month?

January, with average temperatures reaching a high of 21.6°F (-5.8°C) and a low of 7.9°F (-13.4°C), is the coldest month.

What is the most humid month?

With an average relative humidity of 90%, January is the most humid month.

What is the driest month?

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

How many days does it rain?

Throughout the year, there are 97.8 rainfall days, and 14.21" (361mm) of precipitation is accumulated.

When does it snow?

January through April, October through December are months with snowfall.

How much does it snow?

In Saint Clair, 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?

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?

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

When does it snow the most?

The month with the most snowfall 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)?

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?

May through September are months without snowfall.

What is the wettest month?

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

When are the longest days?

With an average of 15h and 24min of daylight, June has the longest days of the year.

What is the month with the highest UV index?

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

What part of the year is the hottest?

July, known for its average high temperature of 80.4°F (26.9°C) and an average low temperature of 62.6°F (17°C), is the warmest month.

What month has the most sunshine?

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

What is the least humid month?

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

What is the month with the shortest days?

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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