August weather forecast
Owatonna, MN

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Weather in August

Deep into summer, August continues the warm trend set by July in Owatonna. Temperatures, however, slightly recede ranging from 59.4°F (15.2°C) to 77.2°F (25.1°C), offering a slight reprieve from the peak summer warmth. Despite it being another high-rainfall month, clear weather instances are more frequent. The remaining summer days do allow still plentiful sunshine, encouraging outdoor activities. Conclusively, while August might bid goodbye to peak summer, the weather remains largely pleasant and comfortable.

Temperature

The introduction of August sees an average high-temperature of a still warm 77.2°F (25.1°C), hardly deviating from July. The temperature lowers to an average of 59.4°F (15.2°C) during August nights.

Humidity

The average relative humidity in August in Owatonna is 81%.

Rainfall

In Owatonna, during August, the rain falls for 14.6 days and regularly aggregates up to 2.28" (58mm) of precipitation. In Owatonna, during the entire year, the rain falls for 123.9 days and collects up to 23.74" (603mm) of precipitation.

Snowfall

In Owatonna, snow does not fall in June through September.

Daylight

The average length of the day in August is 13h and 58min.
On the first day of the month, sunrise is at 6:01 am and sunset at 8:36 pm. On the last day of August, in Owatonna, sunrise is at 6:35 am and sunset at 7:50 pm CDT.

Sunshine

The average sunshine in August is 9.6h.

UV index

In August, the average daily maximum UV index is 5. A UV Index of 3 to 5 symbolizes a medium health hazard from unsafe exposure to UV radiation for the average person.
Note: An average UV index of 5 in August transforms into this advice:
Put precautions into practice - Guidance to elude sunburn is provided. The mid-day Sun emits the most powerful UV radiation, so seek shade and minimize exposure. Your best bet for sun defense on the face, eyes, and neck is a hat with a wide brim.
Updated: Aug 17, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What is the usual temperature for Owatonna in August?

In Owatonna, 77.2°F (25.1°C) is the average high-temperature and 59.4°F (15.2°C) is the average low-temperature during August.

What is the average humidity in August?

In August, the average relative humidity is 81%.

How many days does it rain in August?

In Owatonna, during August, the rain falls for 14.6 days and regularly aggregates up to 2.28" (58mm) of precipitation.

When it does not snow?

June through September are months without snowfall in Owatonna.

What is the average length of the day in August?

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

What time are sunrise and sunset in August?

On the first day of August, sunrise is at 6:01 am and sunset at 8:36 pm. On the last day of the month, sunrise is at 6:35 am and sunset at 7:50 pm CDT.

How many hours of sunshine does Owatonna have in August?

In August, the average sunshine duration is 9.6h.

What is the UV index reading in August?

In Owatonna, Minnesota, the average daily maximum UV index in August is 5. A UV Index value of 3 to 5 symbolizes a medium health risk 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
Owatonna, MN

Average temperature in August - Owatonna, MN
  • Average high temperature in August: 77.2°F

The warmest month (with the highest average high temperature) is July (79°F).
The month with the lowest average high temperature is January (20.5°F).

  • Average low temperature in August: 59.4°F

The month with the highest average low temperature is July (62.4°F).
The coldest month (with the lowest average low temperature) is January (7.5°F).

Average pressure in August
Owatonna, MN

Average pressure in August - Owatonna, 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).

Average wind speed in August
Owatonna, MN

Average wind speed in August - Owatonna, MN
  • Average wind speed in August: 7.3mph

The windiest month (with the highest average wind speed) is April (10.1mph).
The calmest months (with the lowest average wind speed) are July and August (7.3mph).

Average humidity in August
Owatonna, MN

Average humidity in August - Owatonna, MN
  • Average humidity in August: 81%

The month with the highest relative humidity is January (91%).
The month with the lowest relative humidity is October (72%).

Average rainfall in August
Owatonna, MN

Average rainfall in August - Owatonna, MN
  • Average rainfall in August: 2.28"

The wettest month (with the highest rainfall) is June (3.94").
The driest month (with the least rainfall) is January (0.75").

Average rainfall days in August
Owatonna, MN

Average rainfall days in August - Owatonna, MN
  • Average rainfall days in August: 14.6 days

The month with the highest number of rainy days is June (17.8 days).
The month with the least rainy days is February (1.8 days).

Average snowfall in August
Owatonna, MN

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

The month with the highest snowfall is February (6.5").
The months with the least snowfall are June, July, August and September (0").

Average snowfall days in August
Owatonna, MN

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

The month with the highest number of snowfall days is December (12.7 days).
The months with the least snowfall days are June, July, August and September (0 days).

Average daylight in August /
Average sunshine in August
Owatonna, MN

Average daylight in August / Average sunshine in August - Owatonna, MN
  • Average daylight in August: 14h 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: 8h and 54min).

  • Average sunshine in August: 9h and 4min

The month with the most sunshine is July (Average sunshine: 10h and 0min).
The month with the least sunshine is January (Average sunshine: 3h and 0min).

Average sunshine days in August
Owatonna, MN

Average sunshine days in August - Owatonna, MN
  • Average sunshine days in August: 13.8 days

The month with the most sunshine days is November (18.5 days).
The month with the least sunshine days is June (10.4 days).

Average UV index in August
Owatonna, MN

Average UV index in August - Owatonna, 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).

Average cloud cover in August
Owatonna, MN

Average cloud cover in August - Owatonna, MN
  • Average cloud cover in August: 32

The month with the most cloud cover is January (Cloud cover 68).
The months with the least cloud cover are July and August (Cloud cover 32).

Average visibility in August
Owatonna, MN

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

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

Owatonna, Minnesota, USA

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