Contents
- Weather in August
- Frequently asked questions
- Average temperature in August
- Average pressure in August
- Average wind speed in August
- Average humidity in August
- Average rainfall in August
- Average rainfall days in August
- Average snowfall in August
- Average snowfall days in August
- Average daylight in August
- Average sunshine in August
- Average sunshine days in August
- Average UV index in August
- Average cloud cover in August
- Average visibility in August
Weather in August
Temperature
The transition into August notes an average high-temperature of a still warm 78.4°F (25.8°C), revealing a mild distinction from the 80.2°F (26.8°C) in July. The nighttime temperature, during August, averages of 62.2°F (16.8°C).Humidity
April, May, July and August, with an average relative humidity of 75%, are the least humid months.Rainfall
In Rochester, in August, during 15 rainfall days, 1.61" (41mm) of precipitation is typically accumulated. Throughout the year, in Rochester, there are 146.2 rainfall days, and 18.5" (470mm) of precipitation is accumulated.Snowfall
June through September are months without snowfall.Daylight
In Rochester, the average length of the day in August is 13h and 52min.On the first day of the month, sunrise is at 6:25 am and sunset at 8:52 pm. On the last day of August, in Rochester, Michigan, sunrise is at 6:57 am and sunset at 8:08 pm EDT.
Sunshine
In August, the average sunshine is 10.3h.UV index
The months with the highest UV index are July and August, with an average maximum UV index of 6. A UV Index value of 6 to 7 symbolizes a high health hazard from unsafe exposure to UV radiation for the ordinary person.Note: In August, a regular UV index of 6 translates into these guidelines:
Evade overexposure. Individuals with fair skin risk burning in under 20 minutes. During the period from 10 a.m. to 4 p.m., UV radiation is highest. Try to avoid direct sunlight during these hours. For minimizing sun-related eye damage, always choose sunglasses with UVA and UVB coverage.
Frequently asked questions
What are August temperatures in Rochester?
What are the least humid months in Rochester?
What is the average humidity in August in Rochester?
How many days does it rain in August in Rochester?
When it does not snow in Rochester?
What is the average length of the day in August in Rochester?
What time are sunrise and sunset in August in Rochester?
How many hours of sunshine does Rochester have in August?
What is the month with the highest UV index in Rochester?
How high is the UV index in August in Rochester?
Average temperature in August
Rochester, MI
- Average high temperature in August: 78.4°F
The warmest month (with the highest average high temperature) is July (80.2°F).
The month with the lowest average high temperature is January (28°F).
- Average low temperature in August: 62.2°F
The month with the highest average low temperature is July (63.1°F).
The coldest month (with the lowest average low temperature) is January (17.8°F).
Average pressure in August
Rochester, MI
- Average pressure in August: 29.97"Hg
The months with the highest atmospheric pressure are March and November (30.09"Hg).
The month with the lowest atmospheric pressure is June (29.93"Hg).
Average wind speed in August
Rochester, MI
- Average wind speed in August: 6.7mph
The windiest month (with the highest average wind speed) is January (10.1mph).
The calmest month (with the lowest average wind speed) is July (6.5mph).
Average humidity in August
Rochester, MI
- Average humidity in August: 75%
The months with the highest relative humidity are January and February (86%).
The months with the lowest relative humidity are April, May, July and August (75%).
Average rainfall in August
Rochester, MI
- Average rainfall in August: 1.61"
The wettest month (with the highest rainfall) is May (2.28").
The driest months (with the least rainfall) are February and December (1.02").
Average rainfall days in August
Rochester, MI
- Average rainfall days in August: 15 days
The month with the highest number of rainy days is May (16.8 days).
The month with the least rainy days is January (6.4 days).
Average snowfall in August
Rochester, MI
- Average snowfall in August: 0"
The month with the highest snowfall is February (4.02").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in August
Rochester, MI
- Average snowfall days in August: 0 days
The month with the highest number of snowfall days is January (15.7 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in August /
Average sunshine in August
Rochester, MI
- Average daylight in August: 13h and 5min
The month with the longest days is June (Average daylight: 15h and 18min).
The month with the shortest days is December (Average daylight: 9h and 6min).
- Average sunshine in August: 10h and 2min
The month with the most sunshine is July (Average sunshine: 10h and 36min).
The month with the least sunshine is January (Average sunshine: 3h and 6min).
Average sunshine days in August
Rochester, MI
- Average sunshine days in August: 13.5 days
The month with the most sunshine days is November (14.9 days).
The month with the least sunshine days is February (9.8 days).
Average UV index in August
Rochester, MI
- Average UV index in August: 6
The months with the highest UV index are July and August (UV index 6).
The month with the lowest UV index is December (UV index 1).
Average cloud cover in August
Rochester, MI
- Average cloud cover in August: 30
The month with the most cloud cover is January (Cloud cover 67).
The month with the least cloud cover is July (Cloud cover 29).
Average visibility in August
Rochester, MI
- Average visibility in August: 6mi
The months with the highest visibility are March, April, May, June, July, August, September, October, November and December (6mi).
The months with the lowest visibility are January and February (5mi).
Rochester, Michigan, USA
Weather forecast for your location
2. Allow the app to use your location
