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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, like December, is a freezing cold winter month in South Lyon, Michigan, with temperature in the range of an average high of 28°F (-2.2°C) and an average low of 17.2°F (-8.2°C). South Lyon's coldest temperatures are experienced in January, with average high temperatures of 28°F (-2.2°C) and lows of 17.2°F (-8.2°C). Weather in January »
Weather in February
February, the last month of the winter in South Lyon, is another freezing cold month, with an average temperature ranging between max 31.1°F (-0.5°C) and min 18.1°F (-7.7°C). South Lyon, Michigan, experiences a minor change to a still freezing cold 31.1°F (-0.5°C) in average high-temperature during February, closely reflecting January. Weather in February »
Weather in March
March, the first month of the spring in South Lyon, is a wintry month, with an average temperature fluctuating between 27.7°F (-2.4°C) and 42.4°F (5.8°C). South Lyon's transition into March sees a rise in the average high-temperature, advancing from a subzero cold 31.1°F (-0.5°C) in February to an icy 42.4°F (5.8°C). Weather in March »
Weather in April
April is a cool spring month in South Lyon, Michigan, with an average temperature varying between 37.2°F (2.9°C) and 54.3°F (12.4°C). South Lyon, Michigan, in April shows a temperature shift, moving from an average high of a cold 42.4°F (5.8°C) in March to a fresh 54.3°F (12.4°C). Weather in April »
Weather in May
The last month of the spring, May, is a comfortable month in South Lyon, Michigan, with an average temperature ranging between min 48.9°F (9.4°C) and max 66.9°F (19.4°C). South Lyon, Michigan, in May experiences an increase in the average high-temperature, moving from April's cool 54.3°F (12.4°C) to a refreshing 66.9°F (19.4°C). Weather in May »
Weather in June
The first month of the summer, June, is a moderately hot month in South Lyon, Michigan, with an average temperature ranging between max 75°F (23.9°C) and min 57.7°F (14.3°C). South Lyon's transition into June brings a slight rise in the average high-temperature, moving from an enjoyable 66.9°F (19.4°C) in May to a moderately hot 75°F (23.9°C). Weather in June »
Weather in July
July, like June, in South Lyon, Michigan, is another warm summer month, with an average temperature fluctuating between 79.7°F (26.5°C) and 62.4°F (16.9°C). Temperature readings reach their annual highs in July, averaging 79.7°F (26.5°C) and a minimum average of 62.4°F (16.9°C). Weather in July »
Weather in August
The last month of the summer, August, is also a moderately hot month in South Lyon, Michigan, with an average temperature varying between 78.3°F (25.7°C) and 61.2°F (16.2°C). With the advent of August, South Lyon experiences an average high-temperature of a still moderately hot 78.3°F (25.7°C), mirroring a close resemblance to the previous month. Weather in August »
Weather in September
The first month of the autumn, September, is still a pleasant month in South Lyon, Michigan, with temperature in the range of an average high of 71.8°F (22.1°C) and an average low of 54.5°F (12.5°C). South Lyon's September weather features a light decline in high-temperatures, reducing from a moderately hot 78.3°F (25.7°C) in August to an agreeable 71.8°F (22.1°C). Weather in September »
Weather in October
October, the same as September, in South Lyon, Michigan, is a moderate autumn month, with an average temperature ranging between min 43.9°F (6.6°C) and max 58.6°F (14.8°C). The transition into October is accompanied by a temperature decrease, with the average high-temperature shifting from an agreeable 71.8°F (22.1°C) in September to a moderate 58.6°F (14.8°C). Weather in October »
Weather in November
November, the last month of the autumn in South Lyon, is another chilly month, with an average temperature varying between 32.9°F (0.5°C) and 45.1°F (7.3°C). The average high-temperature drops in November, from October's refreshing 58.6°F (14.8°C) to a chilly 45.1°F (7.3°C). Weather in November »
Weather in December
December, the first month of the winter in South Lyon, is also a wintry month, with an average temperature ranging between min 25.3°F (-3.7°C) and max 34.2°F (1.2°C). The arrival of December corresponds with a reduction in the average high-temperature, down from November's frosty 45.1°F (7.3°C) to a cold 34.2°F (1.2°C). Weather in December »
Updated: Feb 12, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the coldest month in South Lyon?
January, known for its average high temperature of 28°F (-2.2°C) and an average low temperature of 17.2°F (-8.2°C), is the coldest month in South Lyon, Michigan.
What are the most humid months in South Lyon?
January and February, with an average relative humidity of 86%, are most humid months in South Lyon.
How much does it rain in South Lyon?
Throughout the year, there are 121.2 rainfall days, and 11.77" (299mm) of precipitation is accumulated.
When does it snow in South Lyon?
Months with snowfall in South Lyon, Michigan, are January through May, October through December.
How much does it snow in South Lyon?
Throughout the year, in South Lyon, Michigan, there are 46.7 snowfall days, and 5.87" (149mm) of snow is accumulated.
What is the month with the least sunshine in South Lyon?
January has the least sunshine of the year, with an average of 2.8h of sunshine.
When is the lowest UV index in South Lyon?
The months with the lowest UV index are January and December, with an average maximum UV index of 1.
What is the driest month in South Lyon?
The month with the least rainfall is February, when the rain falls for 4.3 days and typically collects 0.51" (13mm) of precipitation.
What is the snowiest month in South Lyon?
February is the month with the most snowfall. Snow falls for 11.3 days and accumulates 1.61" (41mm) of snow.
When is Daylight Saving Time (DST) in South Lyon?
On Sunday, March 10. 2024, at 2:00 am, Daylight Saving Time starts in South Lyon, 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 South Lyon?
With an average relative humidity of 76%, April is the least humid month in South Lyon.
What is the wettest month in South Lyon?
The month with the most rainfall is May, when the rain falls for 15.1 days and typically aggregates up to 1.54" (39mm) of precipitation.
When it does not snow in South Lyon?
In South Lyon, Michigan, snow does not fall in June through September.
When are the longest days in South Lyon?
June has the longest days of the year, with an average of 15h and 12min of daylight.
What part of the year is the hottest in South Lyon?
In South Lyon, the average highest temperatures are observed in July, with a high of 79.7°F (26.5°C) and a low of 62.4°F (16.9°C).
What month has the most sunshine in South Lyon?
July has the most sunshine of the year, with an average of 10.3h of sunshine.
When is the highest UV index in South Lyon?
The months with the highest UV index in South Lyon, Michigan, are July and August, with an average maximum UV index of 6.
What is the month with the shortest days in South Lyon?
The month with the shortest days is December, with an average of 9h and 6min of daylight.
Average temperature
South Lyon, MI
The warmest month (with the highest average high temperature) is July (79.7°F).
The month with the lowest average high temperature is January (28°F).
The month with the highest average low temperature is July (62.4°F).
The coldest month (with the lowest average low temperature) is January (17.2°F).
Average pressure
South Lyon, MI
- Average pressure in January:
30.07"Hg - Average pressure in February:
30.07"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:
29.93"Hg
- Average pressure in July:
29.96"Hg - Average pressure in August:
29.98"Hg - Average pressure in September:
30.04"Hg - Average pressure in October:
30"Hg - Average pressure in November:
30.09"Hg - Average pressure in December:
30.08"Hg
The months with the highest atmospheric pressure are March and November (30.09"Hg).
The month with the lowest atmospheric pressure is June (29.93"Hg).
Average wind speed
South Lyon, MI
- Average wind speed in January:
10.1mph - Average wind speed in February:
10mph - Average wind speed in March:
9.6mph - Average wind speed in April:
9.8mph - Average wind speed in May:
8.1mph - Average wind speed in June:
7.4mph
- Average wind speed in July:
6.5mph - Average wind speed in August:
6.6mph - Average wind speed in September:
7.1mph - Average wind speed in October:
8.9mph - Average wind speed in November:
9.4mph - Average wind speed in December:
9.6mph
The windiest month (with the highest average wind speed) is January (10.1mph).
The calmest month (with the lowest average wind speed) is July (6.5mph).
Average humidity
South Lyon, MI
The months with the highest relative humidity are January and February (86%).
The month with the lowest relative humidity is April (76%).
Average rainfall
South Lyon, MI
- Average rainfall in January:
0.59" - Average rainfall in February:
0.51" - Average rainfall in March:
0.75" - Average rainfall in April:
1.26" - Average rainfall in May:
1.54" - Average rainfall in June:
1.34"
- Average rainfall in July:
1.34" - Average rainfall in August:
1.34" - Average rainfall in September:
0.87" - Average rainfall in October:
0.94" - Average rainfall in November:
0.71" - Average rainfall in December:
0.59"
The wettest month (with the highest rainfall) is May (1.54").
The driest month (with the least rainfall) is February (0.51").
Average rainfall days
South Lyon, MI
- Average rainfall days in January:
4.4 days - Average rainfall days in February:
4.3 days - Average rainfall days in March:
8.8 days - Average rainfall days in April:
12.9 days - Average rainfall days in May:
15.1 days - Average rainfall days in June:
13.4 days
- Average rainfall days in July:
14.3 days - Average rainfall days in August:
13.5 days - Average rainfall days in September:
11.5 days - Average rainfall days in October:
9.7 days - Average rainfall days in November:
7.4 days - Average rainfall days in December:
5.9 days
The month with the highest number of rainy days is May (15.1 days).
The month with the least rainy days is February (4.3 days).
Average snowfall
South Lyon, MI
- Average snowfall in January:
1.54" - Average snowfall in February:
1.61" - Average snowfall in March:
0.51" - Average snowfall in April:
0.43" - Average snowfall in May:
0.08" - Average snowfall in June:
0"
The month with the highest snowfall is February (1.61").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days
South Lyon, MI
- Average snowfall days in January:
11.7 days - Average snowfall days in February:
11.3 days - Average snowfall days in March:
6.8 days - Average snowfall days in April:
2.2 days - Average snowfall days in May:
0.3 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:
0.4 days - Average snowfall days in November:
4.7 days - Average snowfall days in December:
9.3 days
The month with the highest number of snowfall days is January (11.7 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight / Average sunshine
South Lyon, MI
- Average daylight in January:
9h and 3min - Average daylight in February:
10h and 4min - 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 1min
- Average daylight in July:
14h and 5min - 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 5min - Average daylight in December:
9h and 1min
The month with the longest days is June (Average daylight: 15h and 12min).
The month with the shortest days is December (Average daylight: 9h and 6min).
- Average sunshine in January:
2h and 5min - Average sunshine in February:
3h and 4min - Average sunshine in March:
5h and 4min - Average sunshine in April:
6h and 5min - Average sunshine in May:
8h and 2min - Average sunshine in June:
9h and 5min
- Average sunshine in July:
10h and 2min - Average sunshine in August:
9h and 5min - Average sunshine in September:
7h and 5min - Average sunshine in October:
5h and 2min - Average sunshine in November:
4h and 4min - Average sunshine in December:
3h and 1min
The month with the most sunshine is July (Average sunshine: 10h and 18min).
The month with the least sunshine is January (Average sunshine: 2h and 48min).
Average sunshine days
South Lyon, MI
- Average sunshine days in January:
16.2 days - Average sunshine days in February:
13.8 days - Average sunshine days in March:
17 days - Average sunshine days in April:
13.5 days - Average sunshine days in May:
12.8 days - Average sunshine days in June:
13.8 days
- Average sunshine days in July:
12.9 days - Average sunshine days in August:
14.1 days - Average sunshine days in September:
16 days - Average sunshine days in October:
19.3 days - Average sunshine days in November:
18.7 days - Average sunshine days in December:
18 days
The month with the most sunshine days is October (19.3 days).
The month with the least sunshine days is May (12.8 days).
Average UV index
South Lyon, MI
The months with the highest UV index are July and August (UV index 6).
The months with the lowest UV index are January and December (UV index 1).
Average cloud cover
South Lyon, MI
The month with the most cloud cover is January (Cloud cover 70).
The month with the least cloud cover is July (Cloud cover 30).
Average visibility
South Lyon, MI
The months with the highest visibility are February, March, April, May, June, July, August, September, October, November and December (6mi).
The month with the lowest visibility is January (5mi).
South Lyon, Michigan, USA
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