August weather forecastRochester, MN
August
Weather in August
In August, the weather in Rochester, Minnesota, sees slight decreases in temperature from July, signaling a shift towards the end of summer. The daylight hours start to diminish, hinting at the impending change of seasons. Transition into September will reveal shorter days and relatively cooler temperatures. Despite the heat, this month still offers comfortable conditions for summer activities and outdoor excursions.Temperature
As August takes hold, the average high-temperature is a still moderately hot 76.6°F (24.8°C), nearly mirroring that of the previous month. In the month of August, Rochester records a consistent average low-temperature of 59.2°F (15.1°C).Humidity
The average relative humidity in August is 81%.Rainfall
In Rochester, in August, it is raining for 12.7 days, with typically 1.61" (41mm) of accumulated precipitation. Throughout the year, there are 109.7 rainfall days, and 16.57" (421mm) of precipitation is accumulated.Snowfall
In Rochester, snow does not fall in June through September.Daylight
In Rochester, Minnesota, the average length of the day in August is 13h and 57min.On the first day of August in Rochester, sunrise is at 5:58 am and sunset at 8:33 pm. On the last day of the month, sunrise is at 6:32 am and sunset at 7:47 pm CDT.
Sunshine
The average sunshine in August in Rochester is 9.6h.UV index
In Rochester, Minnesota, the average daily maximum UV index in August is 5. A UV Index estimate of 3 to 5 represents a medium vulnerability from exposure to the Sun's UV radiation for the ordinary person.Note: The maximum UV index, 5 during August, leads to the following recommendations:
Be mindful. Those with pale skin might receive burns in fewer than 30 minutes. Avoiding direct sun during mid-day hours can prevent harmful UV radiation exposure. Always opt for UVA and UVB-resistant sunglasses on radiant days.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in August
Rochester, MN
- Average high temperature in August: 76.6°F
The warmest month (with the highest average high temperature) is July (78.6°F).
The month with the lowest average high temperature is January (20.7°F).
- Average low temperature in August: 59.2°F
The month with the highest average low temperature is July (61.7°F).
The coldest month (with the lowest average low temperature) is January (7.7°F).
Average pressure in August
Rochester, MN
- Average pressure in August: 29.96"Hg
The month with the highest atmospheric pressure is January (30.14"Hg).
The month with the lowest atmospheric pressure is June (29.88"Hg).
Average wind speed in August
Rochester, MN
- Average wind speed in August: 7.5mph
The windiest month (with the highest average wind speed) is January (10.6mph).
The calmest months (with the lowest average wind speed) are July and August (7.5mph).
Average humidity in August
Rochester, 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 (74%).
Average rainfall in August
Rochester, MN
- Average rainfall in August: 1.61"
The wettest month (with the highest rainfall) is June (3.11").
The driest month (with the least rainfall) is January (0.47").
Average rainfall days in August
Rochester, MN
- Average rainfall days in August: 12.7 days
The month with the highest number of rainy days is June (15.3 days).
The month with the least rainy days is February (2.3 days).
Average snowfall in August
Rochester, MN
- Average snowfall in August: 0"
The month with the highest snowfall is February (4.09").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in August
Rochester, MN
- Average snowfall days in August: 0 days
The month with the highest number of snowfall days is January (12.8 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in August /
Average sunshine in August
Rochester, 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: 9h and 0min).
- Average sunshine in August: 9h 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 in August
Rochester, MN
- Average sunshine days in August: 15.2 days
The month with the most sunshine days is November (18.9 days).
The month with the least sunshine days is June (11.2 days).
Average UV index in August
Rochester, MN
- Average UV index in August: 5
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 in August
Rochester, MN
- Average cloud cover in August: 32
The month with the most cloud cover is January (Cloud cover 67).
The month with the least cloud cover is August (Cloud cover 32).
Average visibility in August
Rochester, 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 months with the lowest visibility are January, February and December (5mi).
