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Contents
- Weather in January
- Weather in February
- Weather in March
- Weather in April
- Weather in May
- Weather in June
- Weather in July
- Weather in August
- Weather in September
- Weather in October
- Weather in November
- Weather in December
- Frequently asked questions
- Average temperature
- Average pressure
- Average wind speed
- Average humidity
- Average rainfall
- Average rainfall days
- Average snowfall
- Average snowfall days
- Average daylight
- Average sunshine
- Average sunshine days
- Average UV index
- Average cloud cover
- Average visibility
Weather in January
January, the same as December, in Saint Louis, Michigan, is another subzero cold winter month, with an average temperature fluctuating between 26.8°F (-2.9°C) and 16.2°F (-8.8°C). January, characterized by an average high temperature of 26.8°F (-2.9°C) and a low temperature of 16.2°F (-8.8°C), is generally the coldest month. Weather in January »
Weather in February
The last month of the winter, February, is another freezing cold month in Saint Louis, Michigan, with an average temperature fluctuating between 29.5°F (-1.4°C) and 17.4°F (-8.1°C). Saint Louis's entry into February measures an average high-temperature of a still subzero cold 29.5°F (-1.4°C), closely parallel to the preceding month. Weather in February »
Weather in March
The first month of the spring, March, is a cold month in Saint Louis, Michigan, with temperature in the range of an average low of 26.4°F (-3.1°C) and an average high of 40.8°F (4.9°C). Saint Louis in March shows a temperature shift, moving from an average high of a subzero cold 29.5°F (-1.4°C) in February to a cold 40.8°F (4.9°C). Weather in March »
Weather in April
April is a fresh spring month in Saint Louis, Michigan, with an average temperature fluctuating between 36.3°F (2.4°C) and 52.9°F (11.6°C). April sees a temperature increase, moving from a wintry 40.8°F (4.9°C) in March to a fresh 52.9°F (11.6°C). Weather in April »
Weather in May
The last month of the spring, May, is a refreshing month in Saint Louis, Michigan, with an average temperature varying between 65.8°F (18.8°C) and 47.7°F (8.7°C). May's arrival coincides with a rise in the average high-temperature, moving from April's cool 52.9°F (11.6°C) to a refreshing 65.8°F (18.8°C). Weather in May »
Weather in June
The first month of the summer, June, is a warm month in Saint Louis, Michigan, with an average temperature fluctuating between 73.9°F (23.3°C) and 55.4°F (13°C). Saint Louis's transition into June is marked by a minor temperature shift, moving from a comfortable 65.8°F (18.8°C) in May to a warm 73.9°F (23.3°C). Weather in June »
Weather in July
July, the same as June, is a moderately hot summer month in Saint Louis, Michigan, with temperature in the range of an average low of 60.4°F (15.8°C) and an average high of 79.3°F (26.3°C). July, having an average high-temperature of 79.3°F (26.3°C) and an average low-temperature of 60.4°F (15.8°C), is the warmest month. Weather in July »
Weather in August
The last month of the summer, August, is another warm month in Saint Louis, Michigan, with an average temperature fluctuating between 77.5°F (25.3°C) and 59.2°F (15.1°C). Transitioning from July to August, Saint Louis observes an average high-temperature of a still warm 77.5°F (25.3°C), differing subtly from the previous month. Weather in August »
Weather in September
September, the first month of the autumn in Saint Louis, is still a pleasant month, with an average temperature ranging between min 52.3°F (11.3°C) and max 71.1°F (21.7°C). A mild shift in the average high-temperature occurs in September, reducing from a moderately hot 77.5°F (25.3°C) in August to an agreeable 71.1°F (21.7°C). Weather in September »
Weather in October
October, the same as September, in Saint Louis, Michigan, is another refreshing autumn month, with an average temperature varying between 58.1°F (14.5°C) and 43.2°F (6.2°C). The onset of October comes with a shift in the average high-temperature, falling from an agreeable 71.1°F (21.7°C) in September to a refreshing 58.1°F (14.5°C). Weather in October »
Weather in November
The last month of the autumn, November, is another chilly month in Saint Louis, Michigan, with an average temperature ranging between min 32.4°F (0.2°C) and max 43.9°F (6.6°C). Saint Louis's November weather shows a moderate shift in high-temperatures, falling from October's refreshing 58.1°F (14.5°C) to a chilly 43.9°F (6.6°C). Weather in November »
Weather in December
The first month of the winter, December, is also a wintry month in Saint Louis, Michigan, with an average temperature ranging between min 23.9°F (-4.5°C) and max 32.9°F (0.5°C). The transition into December indicates a reduction in the average high-temperature, down to an icy 32.9°F (0.5°C) from November's chilly 43.9°F (6.6°C). Weather in December »
[Resources]Frequently asked questions
What are the coldest months in Saint Louis?
Saint Louis's coldest weather arrives in January, when temperatures average a high of 26.8°F (-2.9°C) and a low of 16.2°F (-8.8°C).
What is the most humid month in Saint Louis?
The most humid month in Saint Louis is January, with an average relative humidity of 88%.
How much does it rain in Saint Louis?
In Saint Louis, Michigan, during the entire year, the rain falls for 141.3 days and collects up to 22.48" (571mm) of precipitation.
When does it snow in Saint Louis?
January through April, October through December are months with snowfall in Saint Louis, Michigan.
What is the snowiest month in Saint Louis?
January is the month with the most snowfall in Saint Louis. Snow falls for 18 days and accumulates 5.91" (150mm) of snow.
How many days does it snow in Saint Louis?
In Saint Louis, Michigan, during the entire year, snow falls for 65.5 days and aggregates up to 19.65" (499mm) of snow.
What is the month with the least sunshine in Saint Louis?
With an average of 2.7h of sunshine, January has the least sunshine of the year.
When is the lowest UV index in Saint Louis?
The months with the lowest UV index in Saint Louis, Michigan, are January, November and December, with an average maximum UV index of 1.
What is the driest month in Saint Louis?
February is the month with the least rainfall. Rain falls for 5.3 days and accumulates 1.26" (32mm) of precipitation.
When is Daylight Saving Time (DST) in Saint Louis?
On Sunday, March 10. 2024, at 2:00 am, Daylight Saving Time starts, and the time zone changes from EST to EDT. Daylight Saving Time ends Sunday, November 3. 2024, at 2:00 am, and the time zone reverts from EDT to EST.
What is the least humid month in Saint Louis?
The least humid month in Saint Louis is April, with an average relative humidity of 75%.
What is the wettest month in Saint Louis?
The month with the most rainfall is May, when the rain falls for 15.9 days and typically aggregates up to 3.03" (77mm) of precipitation.
When it does not snow in Saint Louis?
May through September are months without snowfall.
What are the months with the highest UV index in Saint Louis?
May through August, with an average maximum UV index of 5, are months with the highest UV index.
When are the longest days in Saint Louis?
With an average of 15h and 24min of daylight, June has the longest days of the year in Saint Louis, Michigan.
What time of the year is the hottest in Saint Louis?
July, recognised by an average high temperature of 79.3°F (26.3°C) and a low of 60.4°F (15.8°C), is Saint Louis's warmest month.
What month has the most sunshine in Saint Louis?
With an average of 10.4h of sunshine, July has the most sunshine of the year in Saint Louis.
What is the month with the shortest days in Saint Louis?
With an average of 9h and 0min of daylight, December has the shortest days of the year.
Average temperature
Saint Louis, MI
The warmest month (with the highest average high temperature) is July (79.3°F).
The month with the lowest average high temperature is January (26.8°F).
The month with the highest average low temperature is July (60.4°F).
The coldest month (with the lowest average low temperature) is January (16.2°F).
Average pressure
Saint Louis, MI
- Average pressure in January:
30.06"Hg - Average pressure in February:
30.06"Hg - Average pressure in March:
30.09"Hg - Average pressure in April:
29.96"Hg - Average pressure in May:
29.98"Hg - Average pressure in June:
29.92"Hg
- Average pressure in July:
29.95"Hg - Average pressure in August:
29.96"Hg - Average pressure in September:
30.03"Hg - Average pressure in October:
29.99"Hg - Average pressure in November:
30.07"Hg - Average pressure in December:
30.06"Hg
The month with the highest atmospheric pressure is March (30.09"Hg).
The month with the lowest atmospheric pressure is June (29.92"Hg).
Average wind speed
Saint Louis, MI
- Average wind speed in January:
9.5mph - Average wind speed in February:
9.8mph - Average wind speed in March:
9.4mph - Average wind speed in April:
9.9mph - Average wind speed in May:
8.5mph - Average wind speed in June:
7.5mph
- Average wind speed in July:
6.6mph - Average wind speed in August:
6.8mph - Average wind speed in September:
7.3mph - Average wind speed in October:
8.9mph - Average wind speed in November:
9.4mph - Average wind speed in December:
9.4mph
The windiest month (with the highest average wind speed) is April (9.9mph).
The calmest month (with the lowest average wind speed) is July (6.6mph).
Average humidity
Saint Louis, MI
The month with the highest relative humidity is January (88%).
The month with the lowest relative humidity is April (75%).
Average rainfall
Saint Louis, MI
- Average rainfall in January:
1.65" - Average rainfall in February:
1.26" - Average rainfall in March:
1.38" - Average rainfall in April:
2.44" - Average rainfall in May:
3.03" - Average rainfall in June:
2.28"
- Average rainfall in July:
1.81" - Average rainfall in August:
1.93" - Average rainfall in September:
1.46" - Average rainfall in October:
2.56" - Average rainfall in November:
1.3" - Average rainfall in December:
1.38"
The wettest month (with the highest rainfall) is May (3.03").
The driest month (with the least rainfall) is February (1.26").
Average rainfall days
Saint Louis, MI
- Average rainfall days in January:
6.9 days - Average rainfall days in February:
5.3 days - Average rainfall days in March:
10.5 days - Average rainfall days in April:
14.5 days - Average rainfall days in May:
15.9 days - Average rainfall days in June:
15.3 days
- Average rainfall days in July:
14.9 days - Average rainfall days in August:
13.8 days - Average rainfall days in September:
11.6 days - Average rainfall days in October:
15.3 days - Average rainfall days in November:
9.3 days - Average rainfall days in December:
8 days
The month with the highest number of rainy days is May (15.9 days).
The month with the least rainy days is February (5.3 days).
Average snowfall
Saint Louis, MI
The month with the highest snowfall is January (5.91").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days
Saint Louis, MI
- Average snowfall days in January:
18 days - Average snowfall days in February:
14.3 days - Average snowfall days in March:
8 days - Average snowfall days in April:
3.3 days - Average snowfall days in May:
0.2 days - Average snowfall days in June:
0 days
- Average snowfall days in July:
0 days - Average snowfall days in August:
0 days - Average snowfall days in September:
0 days - Average snowfall days in October:
0.3 days - Average snowfall days in November:
6.9 days - Average snowfall days in December:
14.5 days
The month with the highest number of snowfall days is January (18 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight / Average sunshine
Saint Louis, MI
- Average daylight in January:
9h and 2min - Average daylight in February:
10h and 3min - Average daylight in March:
12h and 0min - Average daylight in April:
13h and 2min - Average daylight in May:
14h and 4min - Average daylight in June:
15h and 2min
- Average daylight in July:
15h and 0min - Average daylight in August:
13h and 5min - Average daylight in September:
12h and 3min - Average daylight in October:
11h and 0min - Average daylight in November:
9h and 4min - Average daylight in December:
9h and 0min
The month with the longest days is June (Average daylight: 15h and 24min).
The month with the shortest days is December (Average daylight: 9h and 0min).
- Average sunshine in January:
2h and 4min - Average sunshine in February:
3h and 4min - Average sunshine in March:
5h and 3min - Average sunshine in April:
7h and 0min - Average sunshine in May:
8h and 4min - Average sunshine in June:
9h and 4min
- Average sunshine in July:
10h and 2min - Average sunshine in August:
9h and 4min - Average sunshine in September:
8h and 1min - Average sunshine in October:
5h and 2min - Average sunshine in November:
4h and 2min - Average sunshine in December:
3h and 1min
The month with the most sunshine is July (Average sunshine: 10h and 24min).
The month with the least sunshine is January (Average sunshine: 2h and 42min).
Average sunshine days
Saint Louis, MI
- Average sunshine days in January:
10.3 days - Average sunshine days in February:
10.6 days - Average sunshine days in March:
13.9 days - Average sunshine days in April:
12.3 days - Average sunshine days in May:
12.6 days - Average sunshine days in June:
12.4 days
- Average sunshine days in July:
13.7 days - Average sunshine days in August:
13.7 days - Average sunshine days in September:
15.8 days - Average sunshine days in October:
13.2 days - Average sunshine days in November:
14.2 days - Average sunshine days in December:
11.5 days
The month with the most sunshine days is September (15.8 days).
The month with the least sunshine days is January (10.3 days).
Average UV index
Saint Louis, MI
The months with the highest UV index are May, June, July and August (UV index 5).
The months with the lowest UV index are January, November and December (UV index 1).
Average cloud cover
Saint Louis, MI
The month with the most cloud cover is January (Cloud cover 71).
The month with the least cloud cover is July (Cloud cover 30).
Average visibility
Saint Louis, MI
The months with the highest visibility are March, April, May, June, July, August, October and November (6mi).
The months with the lowest visibility are January, February, September and December (5mi).
Saint Louis, Michigan, USA
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