August weather forecastDearborn, MI
August
Weather in August
Dearborn, Michigan, in August continues to bask under the warm summer sun. While temperatures remain quite high reaching up to 78.8°F (26°C), it is slightly cooler than July. August is one of the drier months of the year, although intermittent showers may still occur. It is a perfect month for those who prefer lengthy daylight hours and more sunshine days. Towards the end of August, temperatures start to drop, signaling the approach of autumn.Temperature
Dearborn greets August with an average high-temperature of a still warm 78.8°F (26°C), marking a slight deviation from the preceding month. Dearborn experiences an average temperature drop to a refreshing 64.4°F (18°C) during August nights.Humidity
The months with the lowest humidity are July and August, with an average relative humidity of 73%.Rainfall
In Dearborn, during August, the rain falls for 14.5 days and regularly aggregates up to 1.93" (49mm) of precipitation. In Dearborn, during the entire year, the rain falls for 140.2 days and collects up to 17.56" (446mm) of precipitation.Snowfall
In Dearborn, snow does not fall in June through October.Daylight
The average length of the day in August is 13h and 50min.On the first day of August, sunrise is at 6:26 am and sunset at 8:51 pm. On the last day of the month, sunrise is at 6:57 am and sunset at 8:07 pm EDT.
Sunshine
In August, the average sunshine is 10.5h.UV index
June through August, with an average maximum UV index of 6, are months with the highest UV index. A UV Index of 6 to 7 symbolizes a high threat to health from unsafe exposure to UV radiation for ordinary individuals.Note: The maximum UV index of 6 during August translates into these guidelines:
Take precautions against overexposure. Protection against sun damage is needed. Stay in the shade and limit direct sun exposure between 10 a.m. and 4 p.m., when UV radiation is at its strongest. Remember, however, that not all shade structures provide full sun protection. Limit sun-induced ocular harm with sunglasses that feature UVA and UVB filtration.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in August
Dearborn, MI
- Average high temperature in August: 78.8°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 (28.9°F).
- Average low temperature in August: 64.4°F
The month with the highest average low temperature is July (65.1°F).
The coldest month (with the lowest average low temperature) is January (19.2°F).
Average pressure in August
Dearborn, MI
- Average pressure in August: 29.98"Hg
The month with the highest atmospheric pressure is November (30.1"Hg).
The month with the lowest atmospheric pressure is June (29.93"Hg).
Average wind speed in August
Dearborn, MI
- Average wind speed in August: 6.9mph
The windiest month (with the highest average wind speed) is January (10.3mph).
The calmest month (with the lowest average wind speed) is July (6.6mph).
Average humidity in August
Dearborn, MI
- Average humidity in August: 73%
The month with the highest relative humidity is February (85%).
The months with the lowest relative humidity are July and August (73%).
Average rainfall in August
Dearborn, MI
- Average rainfall in August: 1.93"
The wettest month (with the highest rainfall) is May (2.2").
The driest months (with the least rainfall) are January and February (0.87").
Average rainfall days in August
Dearborn, MI
- Average rainfall days in August: 14.5 days
The month with the highest number of rainy days is July (16.5 days).
The month with the least rainy days is February (5.8 days).
Average snowfall in August
Dearborn, MI
- Average snowfall in August: 0"
The month with the highest snowfall is February (2.95").
The months with the least snowfall are June, July, August, September and October (0").
Average snowfall days in August
Dearborn, MI
- 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).
Average daylight in August /
Average sunshine in August
Dearborn, MI
- Average daylight in August: 13h and 48min
The month with the longest days is June (Average daylight: 15h and 12min).
The month with the shortest days is December (Average daylight: 9h and 6min).
- Average sunshine in August: 10h and 30min
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
Dearborn, MI
- Average sunshine days in August: 13.1 days
The month with the most sunshine days is October (16.8 days).
The month with the least sunshine days is July (11.8 days).
Average UV index in August
Dearborn, MI
- Average UV index in August: 6
The months with the highest UV index are June, July and August (UV index 6).
The month with the lowest UV index is December (UV index 1).
Average cloud cover in August
Dearborn, MI
- Average cloud cover in August: 28
The month with the most cloud cover is January (Cloud cover 67).
The month with the least cloud cover is July (Cloud cover 27).
Average visibility in August
Dearborn, MI
- Average visibility in August: 6mi
The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
