Climate and monthly weather forecastWinona, MN
Climate and monthly weather forecast
The climate of Winona
Winona, Minnesota finds its weather under the influence of a humid continental climate, hot summers, and no dry season, as characterized by the Köppen climate classification Dfa. Nestled in the North American region, this city experiences wide-ranging seasonal transitions, from severe wintry conditions to hot summers.From a climatological viewpoint, the annual average high temperatures range from 20.8°F (-6.2°C) in January to 78.4°F (25.8°C) in July. The lowest temperatures dip to 7.9°F (-13.4°C) in January and rise to 60.8°F (16°C) in July, signifying a marked temperature gradient throughout the year. Copious amounts of precipitation are noteworthy, with monthly averages escalating from 0.67" (17mm) in January to a peak of 4.49" (114mm) in June.
Relative humidity hovers around 90% in the early part of the year and gradually descends to 76% by October, reaffirming the humid continental climate. A striking weather pattern emerges in snowfall trends, with the city experiencing maximum snowfall in February with 5.55" (141mm), gradually tapering off to nil by June. Unsurprisingly, February also records the highest number of snowfall days, totaling 11.1 days.
The best time to visit Winona
A discerning traveler would find the span between May to September as the most favorable period to visit Winona. During these months, the temperatures hover between a comfortable 52.9°F (11.6°C) and 77°F (25°C), highlighting the onset of spring and carrying through the warmth of summer.Sunshine duration also notably increases during this timeframe, averaging between 8.3 to 9.7 hours per day, allowing ample time for sightseeing and outdoor activities. The UV index, in spite of peaking to 6 in July, remains mostly moderate signifying lesser chances of sunburns.
The worst time to visit Winona
The stretch from November to February could be termed as less conducive for visitors due to the stark winter chill. During this period, temperatures plummet to chilling lows between 15.8°F (-9°C) to 27°F (-2.8°C), warranting heavy winter wear.Additionally, the sunlight received is curtailed considerably to 3.6 to 4.8 hours per day, resulting in shorter daylight spans for tourists. The persistent high relative humidity, peaking to 90% in January, aggravates the winter chills, making it uncomfortable for tours and outdoor activities.
Spring weather in Winona
The advent of spring in Winona brings about a welcome change in weather. From the chilly climes of March where the temperatures hover around 25°F (-3.9°C) to 36°F (2.2°C), the region warms up to a pleasant 47.5°F (8.6°C) to 64.9°F (18.3°C) by May.Rainfall increases steadily from 1.26" (32mm) in March to 3.35" (85mm) in May, contributing to the lush green scenery. The number of daylight hours extends from 12 hours in March to nearly 15 hours in May, casting longer sunny spells across the landscapes.
Summer weather in Winona
Summers in Winona span from June to August. During this period, the region experiences its warmest weather with temperatures oscillating from 56.8°F (13.8°C) to a peak of 78.4°F (25.8°C).Despite the heightened temperatures, the city witnesses its maximum precipitation of 4.49" (114mm) in June, before it tapers to 2.52" (64mm) in August. The summer days are long, boasting about 15 hours of daylight daily and filled with bountiful sunlight averaging around 9 hours per day.
Autumn weather in Winona
September ushers in Autumn in Winona and it extends until November. During these months, temperatures start to descend from a warm 51.3°F (10.7°C) to a cooler 28.6°F (-1.9°C) by November.Rainfall also reduces gradually, averaging from 2.09" (53mm) in September to 1.06" (27mm) in November, paving way for clearer skies. Despite the cooling weather and reducing daylight hours, Autumn carries an aesthetic appeal with the changing foliage.
Winter weather in Winona
The winter in Winona is characteristic of sub-zero temperatures, snowfall and high humidity. Extending from December to February, the season experiences temperatures fluctuating between a freezing 7.9°F (-13.4°C) to 24.8°F (-4°C).Snowfall is a common occurrence, with an average of 10.6 snowfall days in December, coupled with a significant amount of snow measuring 3.62" (92mm). The days are truncated to approximately 9 hours of daylight in December, the shortest of the year, thus the winter season bears a stark contrast to the prevalent warmth of the previous months.
Weather in January
In comparison to the preceding month, climatic conditions in Winona, Minnesota, register a sharp drop in January, typifying the winter experience in this region. Frosty temperatures pervade with average high and low records revolving around 20.8°F (-6.2°C) and 7.9°F (-13.4°C) respectively. Weather in January »Weather in February
February, which is enveloped within the winter period, brings forth a slight increment in temperature when juxtaposed with January. However, cold weather prevails in this month, too. The city experiences snowfall reaching 5.55" (141mm) with 11.1 days covered in snow. Weather in February »Weather in March
March in Winona witnesses a significant shift as winter starts to lose its grip over the city, and spring begins its advent. temperatures start to rise from the winter lows, with daytime highs reaching into the comfortable 30s°F. Weather in March »Weather in April
As spring advances in April, Winona experiences a reassuring rise in temperatures, building on the modest gains of March. Snow ceases, giving way to growing rainfall, as the environment commences its rejuvenation process. April weather is, for the most part, characterized by cooler mornings and warm afternoons. Weather in April »Weather in May
May carries along the pleasant respite from the colder months, heralding the onset of summer in Winona. The month features balmy days and comfortably cool nights. However, May also brings along the highest rainfall of the year, measuring up to 3.35" (85mm). Weather in May »Weather in June
June provides ideal summer weather with temperate conditions ruling over Winona. With the increase in temperature, UV index begins to peak, driving residents to don protective gears. The rainfall persists but at a lesser intensity than the preceding month. Weather in June »Weather in July
July presents the highest average temperatures observed in Winona all year round, topping at 78.4°F (25.8°C). This month sees the residents enjoying pleasant summers, marked by long, sunny days and elevated humidity reserves. This weather is perfect for a myriad of water-based activities along the Mississippi River. Weather in July »Weather in August
In August, the summer warmth persists, although there is a slight drop in maximum temperatures compared to July. The town experiences relatively clear skies with a reduction in cloud coverage. Winona's landscapes become more alluring as rainfall decreases to a smaller 2.52" (64mm), much lower than summer peaks. Weather in August »Weather in September
September bids farewell to the summer weather as fall creeps up with a noticeable drop in temperature. As the nights turn cooler, autumn paints the cityscape in hues of orange and red. The rainfall further dwindles down to a modest 2.09" (53mm). Weather in September »Weather in October
October in Winona showcases the full effect of fall with mild days and chilly nights. The drop in temperature is visible in comparison to September. It also witnesses the re-emergence of snowfall, albeit at a minimal 0.31" (8mm), hinting at the forthcoming winter. Weather in October »Weather in November
The brisk weather in November is characterized by rapid temperature drops from pleasant fall temps to the cold embrace of winter. The first half of November maintains autumnal characteristics before snow starts claiming days slowly. Weather in November »Weather in December
December declares the arrival of winter in full swing, plunging Winona into the coldest conditions of the year. The days are characterized by frigid weather, scarce sunlight, and increase snowfalls reaching 3.62" (92mm) over approximately 10.6 days. Weather in December »Updated: Jul 15, 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
The coldest period is January, when temperatures fluctuate between an average high of 20.8°F (-6.2°C) and a low of 7.9°F (-13.4°C).
With an average relative humidity of 90%, January is the most humid month.
January is the month with the least rainfall. Rain falls for 3.2 days and accumulates 0.67" (17mm) of precipitation.
Throughout the year, there are 132.9 rainfall days, and 24.88" (632mm) of precipitation is accumulated.
Months with snowfall are January through May, October through December.
In Winona, Minnesota, during the entire year, snow falls for 48.6 days and aggregates up to 19.13" (486mm) of snow.
With an average of 3.2h of sunshine, January has the least sunshine of the year.
January, February, November and December, with an average maximum UV index of 1, are months with the lowest UV index.
The month with the most snowfall is February, when snow falls for 11.1 days and typically aggregates up to 5.55" (141mm) of snow.
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.
June is the month with the most rainfall. Rain falls for 18.7 days and accumulates 4.49" (114mm) of precipitation.
June through September are months without snowfall.
June has the longest days of the year, with an average of 15h and 24min of daylight.
In Winona, July is the warmest month, with temperatures averaging a high of 78.4°F (25.8°C) and a low of 60.8°F (16°C).
With an average of 9.7h of sunshine, July has the most sunshine of the year in Winona.
With an average maximum UV index of 6, July is the month with the highest UV index.
October is the least humid month, with an average relative humidity of 76%.
The month with the shortest days is December, with an average of 9h and 0min of daylight.
Average temperature
Winona, MN
The warmest month (with the highest average high temperature) is July (78.4°F).
The month with the lowest average high temperature is January (20.8°F).
The month with the highest average low temperature is July (60.8°F).
The coldest month (with the lowest average low temperature) is January (7.9°F).
Average pressure
Winona, MN
- Average pressure in January:
30.13"Hg - Average pressure in February:
30.13"Hg - Average pressure in March:
30.09"Hg - Average pressure in April:
29.95"Hg - Average pressure in May:
29.94"Hg - Average pressure in June:
29.89"Hg
- Average pressure in July:
29.95"Hg - Average pressure in August:
29.95"Hg - Average pressure in September:
30.01"Hg - Average pressure in October:
29.98"Hg - Average pressure in November:
30.07"Hg - Average pressure in December:
30.1"Hg
The months with the highest atmospheric pressure are January and February (30.13"Hg).
The month with the lowest atmospheric pressure is June (29.89"Hg).
Average wind speed
Winona, MN
- Average wind speed in January:
9mph - Average wind speed in February:
9mph - Average wind speed in March:
8.9mph - Average wind speed in April:
9.5mph - Average wind speed in May:
8.1mph - Average wind speed in June:
7.3mph
- Average wind speed in July:
6.5mph - Average wind speed in August:
6.5mph - Average wind speed in September:
7.4mph - Average wind speed in October:
8.6mph - Average wind speed in November:
9.1mph - Average wind speed in December:
8.6mph
The windiest month (with the highest average wind speed) is April (9.5mph).
The calmest months (with the lowest average wind speed) are July and August (6.5mph).
Average humidity
Winona, MN
The month with the highest relative humidity is January (90%).
The month with the lowest relative humidity is October (76%).
Average rainfall
Winona, MN
- Average rainfall in January:
0.67" - Average rainfall in February:
0.91" - Average rainfall in March:
1.26" - Average rainfall in April:
2.32" - Average rainfall in May:
3.35" - Average rainfall in June:
4.49"
- Average rainfall in July:
3.03" - Average rainfall in August:
2.52" - Average rainfall in September:
2.09" - Average rainfall in October:
2.09" - Average rainfall in November:
1.06" - Average rainfall in December:
1.1"
The wettest month (with the highest rainfall) is June (4.49").
The driest month (with the least rainfall) is January (0.67").
Average rainfall days
Winona, MN
- Average rainfall days in January:
3.2 days - Average rainfall days in February:
2.3 days - Average rainfall days in March:
9.7 days - Average rainfall days in April:
14.8 days - Average rainfall days in May:
17.9 days - Average rainfall days in June:
18.7 days
- Average rainfall days in July:
16.6 days - Average rainfall days in August:
14 days - Average rainfall days in September:
12.8 days - Average rainfall days in October:
10.8 days - Average rainfall days in November:
7.6 days - Average rainfall days in December:
4.5 days
The month with the highest number of rainy days is June (18.7 days).
The month with the least rainy days is February (2.3 days).
Average snowfall
Winona, MN
- Average snowfall in January:
3.66" - Average snowfall in February:
5.55" - Average snowfall in March:
2.2" - Average snowfall in April:
2.05" - Average snowfall in May:
0.28" - Average snowfall in June:
0"
The month with the highest snowfall is February (5.55").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days
Winona, MN
- Average snowfall days in January:
11.1 days - Average snowfall days in February:
11.1 days - Average snowfall days in March:
6.9 days - Average snowfall days in April:
3.3 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:
1.3 days - Average snowfall days in November:
4 days - Average snowfall days in December:
10.6 days
The months with the highest number of snowfall days are January and February (11.1 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight / Average sunshine
Winona, MN
- Average daylight in January:
9h and 18min - Average daylight in February:
10h and 30min - Average daylight in March:
12h and 0min - Average daylight in April:
13h and 30min - Average daylight in May:
14h and 48min - Average daylight in June:
15h and 24min
- Average daylight in July:
15h and 6min - Average daylight in August:
14h and 0min - Average daylight in September:
12h and 30min - Average daylight in October:
11h and 0min - Average daylight in November:
9h and 36min - 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:
3h and 12min - Average sunshine in February:
3h and 24min - Average sunshine in March:
5h and 12min - Average sunshine in April:
7h and 12min - Average sunshine in May:
8h and 18min - Average sunshine in June:
9h and 0min
- Average sunshine in July:
9h and 42min - Average sunshine in August:
9h and 36min - Average sunshine in September:
8h and 36min - Average sunshine in October:
5h and 6min - Average sunshine in November:
4h and 48min - Average sunshine in December:
3h and 36min
The month with the most sunshine is July (Average sunshine: 9h and 42min).
The month with the least sunshine is January (Average sunshine: 3h and 12min).
Average sunshine days
Winona, MN
- Average sunshine days in January:
18.1 days - Average sunshine days in February:
16 days - Average sunshine days in March:
15.2 days - Average sunshine days in April:
11.8 days - Average sunshine days in May:
11.4 days - Average sunshine days in June:
9.4 days
- Average sunshine days in July:
11.7 days - Average sunshine days in August:
13.5 days - Average sunshine days in September:
15 days - Average sunshine days in October:
18 days - Average sunshine days in November:
18.3 days - Average sunshine days in December:
18.4 days
The month with the most sunshine days is December (18.4 days).
The month with the least sunshine days is June (9.4 days).
Average UV index
Winona, MN
The month with the highest UV index is July (UV index 6).
The months with the lowest UV index are January, February, November and December (UV index 1).
Average cloud cover
Winona, MN
The month with the most cloud cover is January (Cloud cover 66).
The month with the least cloud cover is August (Cloud cover 33).
Average visibility
Winona, MN
The months with the highest visibility are April, May, June, October and November (6mi).
The months with the lowest visibility are January, February, March, July, August, September and December (5mi).
