Climate and monthly weather forecastWinona, MI
Climate and monthly weather forecast
Weather in January
January, like December, is a freezing cold winter month in Winona, Michigan, with an average temperature fluctuating between 22.3°F (-5.4°C) and 14.4°F (-9.8°C). Winona's coldest temperatures are experienced in January, with average high temperatures of 22.3°F (-5.4°C) and lows of 14.4°F (-9.8°C). Weather in January »Weather in February
February, the last month of the winter in Winona, is also a subzero cold month, with an average temperature fluctuating between 23.4°F (-4.8°C) and 15.1°F (-9.4°C). Winona's weather in February displays an average high-temperature of a still freezing cold 23.4°F (-4.8°C), showing minor disparity from January's 22.3°F (-5.4°C). Weather in February »Weather in March
The first month of the spring, March, is a cold month in Winona, Michigan, with an average temperature ranging between max 33.1°F (0.6°C) and min 23.4°F (-4.8°C). With the onset of March, Winona's average high-temperature sees a rise, moving from February's subzero cold 23.4°F (-4.8°C) to a wintry 33.1°F (0.6°C). Weather in March »Weather in April
April, the same as March, is another cold spring month in Winona, Michigan, with an average temperature varying between 32.4°F (0.2°C) and 41.7°F (5.4°C). With the onset of April, the average high-temperature subtly transitions from 33.1°F (0.6°C) in March to a still cold 41.7°F (5.4°C). Weather in April »Weather in May
The last month of the spring, May, is a cool month in Winona, Michigan, with an average temperature ranging between min 41°F (5°C) and max 54.3°F (12.4°C). A rise in the average high-temperature is observed during May, moving from a wintry 41.7°F (5.4°C) in April to a fresh 54.3°F (12.4°C). Weather in May »Weather in June
June, the first month of the summer in Winona, is an enjoyable month, with temperature in the range of an average high of 61.5°F (16.4°C) and an average low of 48.4°F (9.1°C). As June sets, the average high-temperature shows a slight increase, moving up from a fresh 54.3°F (12.4°C) in May to an enjoyable 61.5°F (16.4°C). Weather in June »Weather in July
July in Winona, Michigan, is a pleasant summer month, with an average temperature varying between 68.2°F (20.1°C) and 55.9°F (13.3°C). The shift into July is accompanied by a modest temperature increase, with the average high-temperature edging up from an enjoyable 61.5°F (16.4°C) in June to a pleasant 68.2°F (20.1°C). Weather in July »Weather in August
The last month of the summer, August, is also an agreeable month in Winona, Michigan, with temperature in the range of an average high of 69.4°F (20.8°C) and an average low of 58.1°F (14.5°C). August stands out as Winona's warmest month, with an average high-temperature of 69.4°F (20.8°C) and a low-temperature of 58.1°F (14.5°C). Weather in August »Weather in September
September, the first month of the autumn in Winona, is still a comfortable month, with an average temperature varying between 52.7°F (11.5°C) and 63.5°F (17.5°C). The advent of September brings a slight shift in average high-temperature, moving from a pleasant 69.4°F (20.8°C) in August to a refreshing 63.5°F (17.5°C). Weather in September »Weather in October
October, like September, in Winona, Michigan, is another fresh autumn month, with an average temperature ranging between max 50.2°F (10.1°C) and min 42.3°F (5.7°C). October implies a gentle temperature shift, with average high-temperatures reducing from September's enjoyable 63.5°F (17.5°C) to a cool 50.2°F (10.1°C). Weather in October »Weather in November
November, the last month of the autumn in Winona, is another cold month, with an average temperature fluctuating between 31.5°F (-0.3°C) and 37.8°F (3.2°C). November ushers in a slight temperature change, with average high-temperatures reducing from October's cool 50.2°F (10.1°C) to a wintry 37.8°F (3.2°C). Weather in November »Weather in December
The first month of the winter, December, is still a freezing cold month in Winona, Michigan, with an average temperature fluctuating between 27.5°F (-2.5°C) and 21°F (-6.1°C). During the transition into December, Winona observes a decrease in the average high-temperature, falling from an icy 37.8°F (3.2°C) in November to a subzero cold 27.5°F (-2.5°C). Weather in December »Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature
Winona, MI
The warmest month (with the highest average high temperature) is August (69.4°F).
The month with the lowest average high temperature is January (22.3°F).
The month with the highest average low temperature is August (58.1°F).
The coldest month (with the lowest average low temperature) is January (14.4°F).
Average pressure
Winona, MI
- Average pressure in January:
30.05"Hg - Average pressure in February:
30.07"Hg - Average pressure in March:
30.09"Hg - Average pressure in April:
29.99"Hg - Average pressure in May:
29.97"Hg - Average pressure in June:
29.91"Hg
- Average pressure in July:
29.93"Hg - Average pressure in August:
29.93"Hg - Average pressure in September:
30"Hg - Average pressure in October:
29.95"Hg - Average pressure in November:
30.02"Hg - Average pressure in December:
30.05"Hg
The month with the highest atmospheric pressure is March (30.09"Hg).
The month with the lowest atmospheric pressure is June (29.91"Hg).
Average wind speed
Winona, MI
- Average wind speed in January:
12.6mph - Average wind speed in February:
11.9mph - Average wind speed in March:
9.9mph - Average wind speed in April:
9.9mph - Average wind speed in May:
8.4mph - Average wind speed in June:
7.6mph
- Average wind speed in July:
7.8mph - Average wind speed in August:
8.4mph - Average wind speed in September:
9.6mph - Average wind speed in October:
11.1mph - Average wind speed in November:
12.1mph - Average wind speed in December:
12.5mph
The windiest month (with the highest average wind speed) is January (12.6mph).
The calmest month (with the lowest average wind speed) is June (7.6mph).
Average humidity
Winona, MI
The month with the highest relative humidity is January (88%).
The month with the lowest relative humidity is May (75%).
Average rainfall
Winona, MI
- Average rainfall in January:
1.34" - Average rainfall in February:
1.22" - Average rainfall in March:
1.38" - Average rainfall in April:
2.28" - Average rainfall in May:
2.17" - Average rainfall in June:
2.28"
- Average rainfall in July:
2.09" - Average rainfall in August:
2.28" - Average rainfall in September:
1.85" - Average rainfall in October:
2.28" - Average rainfall in November:
1.57" - Average rainfall in December:
1.81"
The wettest months (with the highest rainfall) are April, June, August and October (2.28").
The driest month (with the least rainfall) is February (1.22").
Average rainfall days
Winona, MI
- Average rainfall days in January:
2.8 days - Average rainfall days in February:
2.5 days - Average rainfall days in March:
8.1 days - Average rainfall days in April:
11.2 days - Average rainfall days in May:
13.8 days - Average rainfall days in June:
14.2 days
- Average rainfall days in July:
13.5 days - Average rainfall days in August:
13.8 days - Average rainfall days in September:
13.3 days - Average rainfall days in October:
14.6 days - Average rainfall days in November:
8.7 days - Average rainfall days in December:
6.1 days
The month with the highest number of rainy days is October (14.6 days).
The month with the least rainy days is February (2.5 days).
Average snowfall
Winona, MI
- Average snowfall in January:
6.5" - Average snowfall in February:
6.34" - Average snowfall in March:
4.09" - Average snowfall in April:
4.49" - Average snowfall in May:
0.39" - Average snowfall in June:
0"
The month with the highest snowfall is December (6.65").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days
Winona, MI
- Average snowfall days in January:
22.5 days - Average snowfall days in February:
19.7 days - Average snowfall days in March:
13.8 days - Average snowfall days in April:
7.8 days - Average snowfall days in May:
1.2 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:
0.1 days - Average snowfall days in October:
2.9 days - Average snowfall days in November:
12.3 days - Average snowfall days in December:
20.5 days
The month with the highest number of snowfall days is January (22.5 days).
The months with the least snowfall days are June, July and August (0 days).
Average daylight / Average sunshine
Winona, MI
- Average daylight in January:
9h and 0min - Average daylight in February:
10h and 18min - Average daylight in March:
11h and 54min - Average daylight in April:
13h and 36min - Average daylight in May:
15h and 6min - Average daylight in June:
15h and 48min
- Average daylight in July:
15h and 24min - Average daylight in August:
14h and 12min - Average daylight in September:
12h and 30min - Average daylight in October:
10h and 54min - Average daylight in November:
9h and 24min - Average daylight in December:
8h and 36min
The month with the longest days is June (Average daylight: 15h and 48min).
The month with the shortest days is December (Average daylight: 8h and 36min).
- Average sunshine in January:
1h and 36min - Average sunshine in February:
2h and 42min - Average sunshine in March:
4h and 36min - Average sunshine in April:
6h and 18min - Average sunshine in May:
8h and 48min - Average sunshine in June:
9h and 42min
- Average sunshine in July:
10h and 18min - Average sunshine in August:
9h and 36min - Average sunshine in September:
7h and 42min - Average sunshine in October:
5h and 24min - Average sunshine in November:
3h and 18min - Average sunshine in December:
2h and 0min
The month with the most sunshine is July (Average sunshine: 10h and 18min).
The month with the least sunshine is January (Average sunshine: 1h and 36min).
Average sunshine days
Winona, MI
- Average sunshine days in January:
5.6 days - Average sunshine days in February:
6.8 days - Average sunshine days in March:
11.3 days - Average sunshine days in April:
12.2 days - Average sunshine days in May:
14.4 days - Average sunshine days in June:
14.3 days
- Average sunshine days in July:
15.5 days - Average sunshine days in August:
15.3 days - Average sunshine days in September:
14.3 days - Average sunshine days in October:
13 days - Average sunshine days in November:
9.5 days - Average sunshine days in December:
6.5 days
The month with the most sunshine days is July (15.5 days).
The month with the least sunshine days is January (5.6 days).
Average UV index
Winona, MI
The months with the highest UV index are July and August (UV index 5).
The months with the lowest UV index are January, November and December (UV index 1).
Average cloud cover
Winona, MI
The month with the most cloud cover is January (Cloud cover 84).
The months with the least cloud cover are July and August (Cloud cover 30).
Average visibility
Winona, MI
The months with the highest visibility are March, April, May, June, July, August, September and October (6mi).
The months with the lowest visibility are January, February, November and December (5mi).





