August weather forecastRiverdale, MI
August
Weather in August
August, the last month of the summer in Riverdale, is also a moderately hot month, with an average temperature ranging between min 59.2°F (15.1°C) and max 77.5°F (25.3°C).Temperature
Riverdale's weather in August indicates an average high-temperature of a still warm 77.5°F (25.3°C), nearly consistent with the 79.3°F (26.3°C) of July. Throughout the August nights, Riverdale encounters a low-temperature of 59.2°F (15.1°C).Humidity
In Riverdale, the average relative humidity in August is 80%.Rainfall
In Riverdale, in August, during 13.8 rainfall days, 1.93" (49mm) of precipitation is typically accumulated. In Riverdale, during the entire year, the rain falls for 141.3 days and collects up to 22.48" (571mm) of precipitation.Snowfall
May through September are months without snowfall in Riverdale.Daylight
The average length of the day in August is 13h and 55min.On the first day of the month, sunrise is at 6:30 am and sunset at 9:01 pm. On the last day of August, sunrise is at 7:03 am and sunset at 8:15 pm EDT.
Sunshine
In August, the average sunshine is 9.7h.UV index
The months with the highest UV index in Riverdale are May through August, with an average maximum UV index of 5. A UV Index reading of 3 to 5 represents a moderate threat to health from exposure to the Sun's UV rays for the ordinary person.Note: In August, the maximum UV index of 5 suggests this advice:
Exercise caution. Those with pale skin may experience burns in less than half an hour. It's crucial to reduce time in the direct Sun around mid-day due to the intense solar radiation. Consider a wide-brim hat essential for effective sun defense covering your face, neck, and eyes.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in August
Riverdale, MI
- Average high temperature in August: 77.5°F
The warmest month (with the highest average high temperature) is July (79.3°F).
The month with the lowest average high temperature is January (26.8°F).
- Average low temperature in August: 59.2°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
Riverdale, MI
- Average pressure in August: 29.96"Hg
The month with the highest atmospheric pressure is March (30.09"Hg).
The month with the lowest atmospheric pressure is June (29.92"Hg).
Average wind speed in August
Riverdale, MI
- Average wind speed in August: 6.8mph
The windiest month (with the highest average wind speed) is April (9.9mph).
The calmest month (with the lowest average wind speed) is July (6.6mph).
Average humidity in August
Riverdale, 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 (75%).
Average rainfall in August
Riverdale, MI
- Average rainfall in August: 1.93"
The wettest month (with the highest rainfall) is May (3.03").
The driest month (with the least rainfall) is February (1.26").
Average rainfall days in August
Riverdale, MI
- Average rainfall days in August: 13.8 days
The month with the highest number of rainy days is May (15.9 days).
The month with the least rainy days is February (5.3 days).
Average snowfall in August
Riverdale, MI
- Average snowfall in August: 0"
The month with the highest snowfall is January (5.91").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in August
Riverdale, MI
- Average snowfall days in August: 0 days
The month with the highest number of snowfall days is January (18 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in August /
Average sunshine in August
Riverdale, MI
- Average daylight in August: 13h and 54min
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 42min
The month with the most sunshine is July (Average sunshine: 10h and 24min).
The month with the least sunshine is January (Average sunshine: 2h and 42min).
Average sunshine days in August
Riverdale, MI
- Average sunshine days in August: 13.7 days
The month with the most sunshine days is September (15.8 days).
The month with the least sunshine days is January (10.3 days).
Average UV index in August
Riverdale, MI
- Average UV index in August: 5
The months with the highest UV index are May, June, July and August (UV index 5).
The months with the lowest UV index are January, November and December (UV index 1).
Average cloud cover in August
Riverdale, MI
- Average cloud cover in August: 33
The month with the most cloud cover is January (Cloud cover 71).
The month with the least cloud cover is July (Cloud cover 30).
Average visibility in August
Riverdale, MI
- Average visibility in August: 6mi
The months with the highest visibility are March, April, May, June, July, August, October and November (6mi).
The months with the lowest visibility are January, February, September and December (5mi).
