August weather forecastMount Morris, MI
August
Weather in August
The last month of the summer, August, is also a moderately hot month in Mount Morris, Michigan, with an average temperature varying between 77°F (25°C) and 59.5°F (15.3°C).Temperature
As July transitions into August, the average high-temperature rests at a still warm 77°F (25°C), maintaining a close resemblance to the previous month. Mount Morris witnesses an average low-temperature of 59.5°F (15.3°C) throughout the month of August.Humidity
In Mount Morris, the average relative humidity in August is 80%.Rainfall
In August, the rain falls for 15.1 days. Throughout August, 2.05" (52mm) of precipitation is accumulated. In Mount Morris, during the entire year, the rain falls for 139.7 days and collects up to 20.04" (509mm) of precipitation.Snowfall
In Mount Morris, snow does not fall in May through September.Daylight
In August, the average length of the day is 13h and 53min.On the first day of the month, sunrise is at 6:26 am and sunset at 8:55 pm. On the last day of August, sunrise is at 6:58 am and sunset at 8:10 pm EDT.
Sunshine
In Mount Morris, the average sunshine in August is 9.9h.UV index
With an average maximum UV index of 6, August is the month with the highest UV index. A UV Index reading of 6 to 7 represents a high health hazard from exposure to the Sun's UV rays for the average person.Note: The UV index of 6 during August leads to these advisories:
Implement precautions and maintain sun safety methods. Avoidance of sunburn is demanded. Between 10 a.m. and 4 p.m., UV radiation is strongest. Make an effort to avoid direct sunlight during this time, remembering that shade structures may not provide full sun protection. Sunglasses that guard against UVA and UVB rays are pivotal in minimizing sun-induced ocular damage.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in August
Mount Morris, MI
- Average high temperature in August: 77°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 (27°F).
- Average low temperature in August: 59.5°F
The month with the highest average low temperature is July (60.4°F).
The coldest month (with the lowest average low temperature) is January (16.2°F).
Average pressure in August
Mount Morris, MI
- Average pressure in August: 29.97"Hg
The month with the highest atmospheric pressure is March (30.09"Hg).
The month with the lowest atmospheric pressure is June (29.93"Hg).
Average wind speed in August
Mount Morris, MI
- Average wind speed in August: 6.7mph
The windiest month (with the highest average wind speed) is February (10.2mph).
The calmest month (with the lowest average wind speed) is July (6.5mph).
Average humidity in August
Mount Morris, MI
- Average humidity in August: 80%
The month with the highest relative humidity is January (88%).
The month with the lowest relative humidity is April (77%).
Average rainfall in August
Mount Morris, MI
- Average rainfall in August: 2.05"
The wettest month (with the highest rainfall) is May (2.48").
The driest month (with the least rainfall) is December (0.98").
Average rainfall days in August
Mount Morris, MI
- Average rainfall days in August: 15.1 days
The month with the highest number of rainy days is May (17.7 days).
The month with the least rainy days is February (3.8 days).
Average snowfall in August
Mount Morris, MI
- Average snowfall in August: 0"
The month with the highest snowfall is February (4.09").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in August
Mount Morris, MI
- Average snowfall days in August: 0 days
The month with the highest number of snowfall days is January (13.7 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in August /
Average sunshine in August
Mount Morris, MI
- Average daylight in August: 13h and 54min
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: 9h and 54min
The month with the most sunshine is July (Average sunshine: 10h and 18min).
The month with the least sunshine is January (Average sunshine: 2h and 48min).
Average sunshine days in August
Mount Morris, MI
- Average sunshine days in August: 12.9 days
The month with the most sunshine days is November (18.5 days).
The month with the least sunshine days is May (10.8 days).
Average UV index in August
Mount Morris, MI
- Average UV index in August: 6
The month with the highest UV index is August (UV index 6).
The months with the lowest UV index are January and December (UV index 1).
Average cloud cover in August
Mount Morris, MI
- Average cloud cover in August: 33
The month with the most cloud cover is January (Cloud cover 70).
The month with the least cloud cover is July (Cloud cover 30).
Average visibility in August
Mount Morris, 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).





