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 »