Climate and monthly weather forecast
Mankato, MN

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The roads and large bridge over the river leading to downtown Mankato, Minnesota
The roads and large bridge over the river leading to downtown Mankato, Minnesota

The climate of Mankato

Mankato, Minnesota, nestled in the Midwestern part of the United States, experiences a characteristic Humid Continental climate, denoted by Köppen as Dfa. Defined by the absence of a dry season and the prevalence of hot summers, this predominating climate type mirrors a landscape of strikingly varied weather conditions.

Over the progression of the months, Mankato witnesses substantial variations in its myriad weather parameters. Monthly average temperatures teeter between a chilly 7.5°F (-13.6°C) in January to a warm 80.4°F (26.9°C) in July. The incidence of rainfall, too, fluctuates considerably, with monthly averages ranging from 0.71" (18mm) in January to 3.54" (90mm) in June. Similarly, the days of rainfall deviate from 2.7 days in February to a peak of 17.3 days in June. Mean daytime temperatures are highest in July and fall to their lowest in January.

The uniqueness of Mankato’s weather tapestry lies in its distinctive winter snowfall, which begins in December 4.33" (110mm) and tapers off by April with only 0.12" (3mm). The pressure holds relatively steady, varying little more than 0.26 from January’s 30.14in to June’s minimum of 29.88in. The hours of daily sunshine display a significant increase from 3.3 hours in January to a robust 10.2 in July, with the cloud cover proportionately shrinking from 64% in January to 31% in July.

The best time to visit Mankato

The optimal time to visit Mankato for favorable weather conditions falls between late May and early September, as these months bask in ample sunlight and mild temperatures. June, with 15.5 hours of daylight and average daytime temperatures peaking at 76.6°F (24.8°C), offers especially comfortable weather for outdoor activities.

The worst time to visit Mankato

Visitors planning trips to Mankato generally avoid the frigid winter months from late November to early March. During this period, the city is shrouded in cold temperatures, plummeting to an icy 7.5°F (-13.6°C) in January, and significantly shorter daylight hours slipping to a low of 8.9 in December.

Spring weather in Mankato

Spring in Mankato unfolds in March and brings with it gradual warming and increased rainfall. The temperatures ascend from 40.5°F (4.7°C) in March commencing the spring up to 67.1°F (19.5°C) by the conclusion of spring season in May. Concurrently, the precipitation increases from 1.46" (37mm) in March to 3.03" (77mm) in May, with the number of rainy days extending from 8.9 in March to 15.7 by May.

Summer weather in Mankato

Fringed by comfortable warmth, summers in Mankato last from June to August and host average temperatures swinging between a high of 80.4°F (26.9°C) in July and a milder 72.5°F (22.5°C) by the end of August. Moreover, while July sees a dip in rainfall to 2.6" (66mm) from June’s peak, the daily sunshine hours scale to their highest at 10.2 hours.

Autumn weather in Mankato

Mankato’s autumn months from September to November hint at the upcoming winter season with a steady decline in temperatures. September commences with average temperatures around 72.5°F (22.5°C), which cool down to 41.5°F (5.3°C) by November’s end. Similarly, rainfall plummets from 2.28" (58mm) in September to as low as 1.14" (29mm) in November, marking a significantly drier period.

Winter weather in Mankato

Winter engulfs Mankato from December to February, characterized by low temperatures and heavy snowfall. The temperatures drop to their lowest at 7.5°F (-13.6°C) in January, while the amount of snowfall reaches its peak of 4.33" (110mm) in December. The winter also sees minimal daylight with a mere 8.9 hours in December, shortest across the year.

Weather in January

Highly synonymous with chilly temperatures, January in Mankato, Minnesota, showcases a temperature range running from 7.5°F (-13.6°C) to 21.2°F (-6°C). The month sees a fair amount of snowfall, ensuring a captivating winter landscape to behold. Weather in January »

Weather in February

As Mankato advances to February, a slightly more acquiescent climate unfolds. The temperature slightly escalates, noticeably thawing from January's deep freeze. A curtained sky, with clouds covering approximately 61% of its expanse, often veils the city. Weather in February »

Weather in March

The significant surge in temperature in March, peaking at 40.5°F (4.7°C), marks the advent of spring in Mankato. Days become longer, initiating a gradual increase in daylight hours providing ample time to relish outside activities. Weather in March »

Weather in April

April witnesses a significant transformation in Mankato's weather, with temperatures climbing up to 54.3°F (12.4°C). The disappearing snow welcomes the true arrival of spring. As the cloud coverage starts to disperse, visibility improves, accentuating the beauty of the blossoming flora. Weather in April »

Weather in May

Continuing the warming trend, May uniquely stands for a more pleasant weather phase in Mankato. Emergent trees blanket the city in a lush foliage, reflecting the raised temperatures. An increased rainfall revitalizes nature, contributing to the rapid growth of plant life. Weather in May »

Weather in June

Being the gateway to summer, June in Mankato is characterized by a temperature shift reaching 76.6°F (24.8°C). Longer daylight hours provide plenty of time for outdoor activities, taking advantage of the agreeable warmth. Despite increased rainfall, the month carries a considerable amount of sunshine hours, illuminating the surroundings splendidly. Weather in June »

Weather in July

In the heart of summer, July in Mankato experiences maximum temperatures of 80.4°F (26.9°C). The skyline is often clear, further enhancing the visibility across the city. Despite the heat, a gentle breeze flows consistently, providing much-needed relief. Weather in July »

Weather in August

August sees a minor dip in the temperature, descending to 78.3°F (25.7°C) from July's peak. Though the declines subtly hint at the upcoming autumn, the summer vibe remains intact. The shorter daylight duration gradually begins to signal the winding down of the summer days. Weather in August »

Weather in September

September in Mankato marks the transition from summer to autumn, with temperatures easing down to 72.5°F (22.5°C). The fall foliage enhances the city's scenery, transforming it into an artist's palette. Though the rainfall slightly increases, it doesn't reach the magnitude of the showers seen in the heart of summer. Weather in September »

Weather in October

In October, Mankato's temperature further decreases to 56.3°F (13.5°C), accentuating the autumn ambiance. The changing foliage transforms the cityscape into a multi-hued panorama, while the cool weather makes strolling around pleasing. Weather in October »

Weather in November

November signifies the transition from fall to winter in Mankato, featuring an average high temperature of 41.5°F (5.3°C). The city witnesses an increased snowfall, a clear signifier of winter's impending arrival. The resuming winds, fewer daylight hours, and the notable decrease in temperature set the stage for November's winter prelude. Weather in November »

Weather in December

December rolls out the red carpet for winter in Mankato, with temperatures stooping to 15.3°F (-9.3°C). The streets of the city get veiled in snow, marking remarkable winter vistas one can expect at this time. The cloud coverage significantly increases blocking the winter sun, leading to fewer sunshine hours. Weather in December »
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Frequently asked questions

What month is the coldest in Mankato?

With average temperatures fluctuating between a high of 21.2°F (-6°C) and a low of 7.5°F (-13.6°C), January stands out as the coldest month in Mankato.

What is the most humid month in Mankato?

With an average relative humidity of 90%, January is the most humid month in Mankato.

What is the driest month in Mankato?

The month with the least rainfall is January, when the rain falls for 3.1 days and typically collects 0.71" (18mm) of precipitation.

How many days does it rain in Mankato?

Throughout the year, in Mankato, Minnesota, there are 124.9 rainfall days, and 23.11" (587mm) of precipitation is accumulated.

When does it snow in Mankato?

Months with snowfall are January through May, October through December.

How many days does it snow in Mankato?

In Mankato, during the entire year, snow falls for 54.4 days and aggregates up to 21.22" (539mm) of snow.

What is the month with the least sunshine in Mankato?

With an average of 3.3h of sunshine, January has the least sunshine of the year in Mankato.

What are the months with the lowest UV index in Mankato?

January, February, November and December, with an average maximum UV index of 1, are months with the lowest UV index.

When is Daylight Saving Time (DST) in Mankato?

On Sunday, March 10. 2024, at 2:00 am, Daylight Saving Time starts in Mankato, Minnesota, 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.

What is the least humid month in Mankato?

The months with the lowest humidity in Mankato, Minnesota, are April and October, with an average relative humidity of 70%.

What is the wettest month in Mankato?

The month with the most rainfall in Mankato, Minnesota, is June, when the rain falls for 17.3 days and typically aggregates up to 3.54" (90mm) of precipitation.

When it does not snow in Mankato?

In Mankato, Minnesota, snow does not fall in June through September.

When are the longest days in Mankato?

With an average of 15h and 30min of daylight, June has the longest days of the year.

What are the months with the highest UV index in Mankato?

June and July, with an average maximum UV index of 6, are months with the highest UV index.

What is the hottest time of year in Mankato?

The month of July, characterized by an average high of 80.4°F (26.9°C) and a low of 62.6°F (17°C), is recognized as the warmest.

What month has the most sunshine in Mankato?

July has the most sunshine of the year, with an average of 10.2h of sunshine.

What is the snowiest month in Mankato?

December is the month with the most snowfall in Mankato. Snow falls for 12 days and accumulates 4.33" (110mm) of snow.

What is the month with the shortest days in Mankato?

With an average of 8h and 54min of daylight, December has the shortest days of the year in Mankato.

Average temperature
Mankato, MN

Average temperature - Mankato, MN

The warmest month (with the highest average high temperature) is July (80.4°F).
The month with the lowest average high temperature is January (21.2°F).

The month with the highest average low temperature is July (62.6°F).
The coldest month (with the lowest average low temperature) is January (7.5°F).

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Average pressure
Mankato, MN

Average pressure - Mankato, MN

The months with the highest atmospheric pressure are January and February (30.14"Hg).
The month with the lowest atmospheric pressure is June (29.88"Hg).

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Average wind speed
Mankato, MN

Average wind speed - Mankato, MN

The windiest month (with the highest average wind speed) is April (9.8mph).
The calmest months (with the lowest average wind speed) are July and August (7.1mph).

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Average humidity
Mankato, MN

Average humidity - Mankato, MN

The month with the highest relative humidity is January (90%).
The months with the lowest relative humidity are April and October (70%).

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Average rainfall
Mankato, MN

Average rainfall - Mankato, MN

The wettest month (with the highest rainfall) is June (3.54").
The driest month (with the least rainfall) is January (0.71").

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Average rainfall days
Mankato, MN

Average rainfall days - Mankato, MN

The month with the highest number of rainy days is June (17.3 days).
The month with the least rainy days is February (2.7 days).

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Average snowfall
Mankato, MN

Average snowfall - Mankato, MN

The month with the highest snowfall is December (4.33").
The months with the least snowfall are June, July, August and September (0").

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Average snowfall days
Mankato, MN

Average snowfall days - Mankato, MN

The month with the highest number of snowfall days is January (13.3 days).
The months with the least snowfall days are June, July, August and September (0 days).

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Average daylight / Average sunshine
Mankato, MN

Average daylight / Average sunshine - Mankato, MN

The month with the longest days is June (Average daylight: 15h and 30min).
The month with the shortest days is December (Average daylight: 8h and 54min).

The month with the most sunshine is July (Average sunshine: 10h and 12min).
The month with the least sunshine is January (Average sunshine: 3h and 18min).

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Average sunshine days
Mankato, MN

Average sunshine days - Mankato, MN

The month with the most sunshine days is October (18.3 days).
The month with the least sunshine days is June (10.8 days).

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Average UV index
Mankato, MN

Average UV index - Mankato, MN

The months with the highest UV index are June and July (UV index 6).
The months with the lowest UV index are January, February, November and December (UV index 1).

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Average visibility
Mankato, MN

Average visibility - Mankato, MN

The months with the highest visibility are March, April, May, June, July, August, September, October and November (6mi).
The month with the lowest visibility is January (4mi).

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Mankato, Minnesota, USA

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