August 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

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. Though the rainfall increases marginally from July, average wind speeds stay relatively stable. August is still significantly warm, with extended daylight periods and delightful weather patterns akin to summer.

Temperature

The shift into August records an average high-temperature of a still moderately hot 78.3°F (25.7°C), subtly varied from July's 80.4°F (26.9°C). Mankato usually reports an average low-temperature of 59.5°F (15.3°C) during the month of August.

Humidity

In Mankato, Minnesota, the average relative humidity in August is 79%.

Rainfall

In August, in Mankato, Minnesota, the rain falls for 14 days. Throughout August, 2.09" (53mm) of precipitation is accumulated. Throughout the year, in Mankato, there are 124.9 rainfall days, and 23.11" (587mm) of precipitation is accumulated.

Snowfall

June through September are months without snowfall.

Daylight

The average length of the day in August in Mankato, Minnesota, is 13h and 58min.
On the first day of August, sunrise is at 6:04 am and sunset at 8:39 pm. On the last day of the month, sunrise is at 6:38 am and sunset at 7:53 pm CDT.

Sunshine

In August, the average sunshine in Mankato, Minnesota, is 9.8h.

UV index

The average daily maximum UV index in August in Mankato is 5. A UV Index estimate of 3 to 5 represents a moderate threat to health from unsafe exposure to UV radiation for average individuals.
Note: The UV index of 5 during August leads to these advisories:
Exercise prevention - Warding off sunburn is urged. The mid-day Sun emits the most powerful UV radiation, so seek shade and minimize exposure. Enhance your sun protection with tightly woven, yet airy clothing.
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Frequently asked questions

What are the temperatures in Mankato in August?

The average high-temperature, in August, in Mankato, is 78.3°F (25.7°C), while the average low-temperature is 59.5°F (15.3°C).

What is the average humidity in August in Mankato?

The average relative humidity in August is 79%.

How many days does it rain in August in Mankato?

In August, the rain falls for 14 days. Throughout August, 2.09" (53mm) of precipitation is accumulated.

When it does not snow in Mankato?

June through September are months without snowfall in Mankato.

How many hours of daylight does Mankato have in August?

In Mankato, Minnesota, the average day length in August is 13h and 58min.

When are sunrise and sunset in August in Mankato?

On the first day of August, sunrise is at 6:04 am and sunset at 8:39 pm. On the last day of the month, sunrise is at 6:38 am and sunset at 7:53 pm CDT.

How many hours of sunshine does Mankato have in August?

In August, the average sunshine duration in Mankato is 9.8h.

What is the UV index reading in August in Mankato?

The average daily maximum UV index in August in Mankato is 5. A UV Index of 3 to 5 symbolizes a moderate vulnerability from exposure to the Sun's UV radiation.
Average humidity
Average rainfall days
Average snowfall
Average snowfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in August
Mankato, MN

Average temperature in August - Mankato, MN
  • Average high temperature in August: 78.3°F

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).

  • Average low temperature in August: 59.5°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 in August
Mankato, MN

Average pressure in August - Mankato, MN
  • Average pressure in August: 29.95"Hg

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 in August
Mankato, MN

Average wind speed in August - Mankato, MN
  • Average wind speed in August: 7.1mph

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 in August
Mankato, MN

Average humidity in August - Mankato, MN
  • Average humidity in August: 79%

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 in August
Mankato, MN

Average rainfall in August - Mankato, MN
  • Average rainfall in August: 2.09"

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 in August
Mankato, MN

Average rainfall days in August - Mankato, MN
  • Average rainfall days in August: 14 days

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 in August
Mankato, MN

Average snowfall in August - Mankato, MN
  • Average snowfall in August: 0"

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 in August
Mankato, MN

Average snowfall days in August - Mankato, MN
  • Average snowfall days in August: 0 days

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 in August /
Average sunshine in August
Mankato, MN

Average daylight in August / Average sunshine in August - Mankato, MN
  • Average daylight in August: 14h and 0min

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).

  • Average sunshine in August: 9h and 5min

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 in August
Mankato, MN

Average sunshine days in August - Mankato, MN
  • Average sunshine days in August: 14.9 days

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 in August
Mankato, MN

Average UV index in August - Mankato, MN
  • Average UV index in August: 5

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 cloud cover in August
Mankato, MN

Average cloud cover in August - Mankato, MN
  • Average cloud cover in August: 30

The month with the most cloud cover is January (Cloud cover 64).
The month with the least cloud cover is August (Cloud cover 30).

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Average visibility in August
Mankato, MN

Average visibility in August - Mankato, MN
  • Average visibility in August: 6mi

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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