Expand
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 Sumner, Michigan, with an average temperature ranging between min 16.2°F (-8.8°C) and max 26.8°F (-2.9°C). Sumner's January weather, marked by an average high temperature of 26.8°F (-2.9°C) and an average low temperature of 16.2°F (-8.8°C), is the coldest in the year. Weather in January »
Weather in February
The last month of the winter, February, is also a subzero cold month in Sumner, Michigan, with an average temperature fluctuating between 29.5°F (-1.4°C) and 17.4°F (-8.1°C). Sumner experiences a transition to a still freezing cold 29.5°F (-1.4°C) in average high-temperatures with the arrival of February, not greatly differing from January's 26.8°F (-2.9°C). Weather in February »
Weather in March
March, the first month of the spring in Sumner, is a wintry month, with an average temperature ranging between max 40.8°F (4.9°C) and min 26.4°F (-3.1°C). March's onset is marked by a temperature increase, moving from a freezing cold 29.5°F (-1.4°C) in February to a wintry 40.8°F (4.9°C). Weather in March »
Weather in April
April is a fresh spring month in Sumner, Michigan, with an average temperature varying between 52.9°F (11.6°C) and 36.3°F (2.4°C). Sumner's transition into April brings a rise in the average high-temperature, moving from a wintry 40.8°F (4.9°C) in March to a cool 52.9°F (11.6°C). Weather in April »
Weather in May
The last month of the spring, May, is a refreshing month in Sumner, Michigan, with an average temperature fluctuating between 47.7°F (8.7°C) and 65.8°F (18.8°C). The transition to May introduces an increase in the average high-temperature, shifting from a fresh 52.9°F (11.6°C) in April to a refreshing 65.8°F (18.8°C). Weather in May »
Weather in June
June, the first month of the summer in Sumner, is a moderately hot month, with an average temperature ranging between min 55.4°F (13°C) and max 73.9°F (23.3°C). Sumner in June denotes a subtle temperature transition, adjusting from an average high of 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, like June, in Sumner, Michigan, is another warm summer month, with an average temperature varying between 60.4°F (15.8°C) and 79.3°F (26.3°C). Sumner registers the highest average temperatures during the month of July, with peaks of 79.3°F (26.3°C) and lows of 60.4°F (15.8°C). Weather in July »
Weather in August
The last month of the summer, August, is also a moderately hot month in Sumner, Michigan, with an average temperature fluctuating between 77.5°F (25.3°C) and 59.2°F (15.1°C). Sumner's weather in August, with an average high-temperature of a still warm 77.5°F (25.3°C), subtly shifts from July's 79.3°F (26.3°C). Weather in August »
Weather in September
The first month of the autumn, September, is also an agreeable month in Sumner, Michigan, with an average temperature varying between 52.3°F (11.3°C) and 71.1°F (21.7°C). The start of September involves a subtle temperature drop, shifting 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, like September, is a moderate autumn month in Sumner, Michigan, with an average temperature varying between 43.2°F (6.2°C) and 58.1°F (14.5°C). The onset of October is marked by a decrease in temperature, transitioning 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
November, the last month of the autumn in Sumner, is also a frosty month, with an average temperature varying between 43.9°F (6.6°C) and 32.4°F (0.2°C). The average high-temperature decreases in November, shifting from a refreshing 58.1°F (14.5°C) in October to a frosty 43.9°F (6.6°C). Weather in November »
Weather in December
December, the first month of the winter in Sumner, is also a wintry month, with an average temperature fluctuating between 23.9°F (-4.5°C) and 32.9°F (0.5°C). The shift from November to December involves a decrease in the average high-temperature, dropping from a chilly 43.9°F (6.6°C) to a cold 32.9°F (0.5°C). Weather in December »
[Resources]Frequently asked questions
What month is the coldest in Sumner?
January is the month when Sumner, Michigan, experiences its coldest temperatures, averaging 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 Sumner?
With an average relative humidity of 88%, January is the most humid month.
How many days does it rain in Sumner?
Throughout the year, in Sumner, there are 141.3 rainfall days, and 22.48" (571mm) of precipitation is accumulated.
When does it snow in Sumner?
January through April, October through December are months with snowfall in Sumner, Michigan.
When does it snow the most in Sumner?
January is the month with the most snowfall in Sumner. Snow falls for 18 days and accumulates 5.91" (150mm) of snow.
How much does it snow in Sumner?
Throughout the year, there are 65.5 snowfall days, and 19.65" (499mm) of snow is accumulated.
What is the month with the least sunshine in Sumner?
January has the least sunshine of the year in Sumner, with an average of 2.7h of sunshine.
What are the months with the lowest UV index in Sumner?
January, November and December, with an average maximum UV index of 1, are months with the lowest UV index in Sumner, Michigan.
What is the driest month in Sumner?
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 Sumner?
On Sunday, March 10. 2024, at 2:00 am, Daylight Saving Time starts in Sumner, Michigan, 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 Sumner?
April is the least humid month in Sumner, Michigan, with an average relative humidity of 75%.
What is the wettest month in Sumner?
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 Sumner?
May through September are months without snowfall.
What is the month with the highest UV index in Sumner?
May through August, with an average maximum UV index of 5, are months with the highest UV index in Sumner, Michigan.
When are the longest days in Sumner?
With an average of 15h and 18min of daylight, June has the longest days of the year.
What part of the year is the hottest in Sumner?
The warmest period in Sumner, Michigan, is July, when temperatures fluctuate between an average high of 79.3°F (26.3°C) and a low of 60.4°F (15.8°C).
What month has the most sunshine in Sumner?
The month with the most sunshine is July, with an average of 10.4h of sunshine.
What is the month with the shortest days in Sumner?
The month with the shortest days in Sumner is December, with an average of 9h and 0min of daylight.
Average temperature
Sumner, 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
Sumner, 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
Sumner, 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
Sumner, MI
The month with the highest relative humidity is January (88%).
The month with the lowest relative humidity is April (75%).
Average rainfall
Sumner, 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
Sumner, 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
Sumner, 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
Sumner, 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
Sumner, 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 18min).
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
Sumner, 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
Sumner, 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
Sumner, 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
Sumner, 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).
Sumner, Michigan, USA
Weather forecast for your location
1. Click Locate me button
2. Allow the app to use your location
2. Allow the app to use your location
