August weather forecastHarrietta, MI
August
Weather in August
August, the last month of the summer in Harrietta, is also a moderately hot month, with an average temperature varying between 56.8°F (13.8°C) and 76.5°F (24.7°C).Temperature
As Harrietta steps into August, the average high-temperature is measured at a still moderately hot 76.5°F (24.7°C), displaying minor differences from July's 77.2°F (25.1°C). Nighttime temperatures in Harrietta consistently average a mild 56.8°F (13.8°C) during August.Humidity
The average relative humidity in August in Harrietta is 79%.Rainfall
In Harrietta, in August, during 15.7 rainfall days, 2.09" (53mm) of precipitation is typically accumulated. In Harrietta, Michigan, during the entire year, the rain falls for 146.4 days and collects up to 27.05" (687mm) of precipitation.Snowfall
In Harrietta, snow does not fall in June through September.Daylight
In August, the average length of the day is 13h and 58min.On the first day of the month, sunrise is at 6:31 am and sunset at 9:07 pm. On the last day of August, sunrise is at 7:05 am and sunset at 8:20 pm EDT.
Sunshine
In August, the average sunshine is 9.3h.UV index
The months with the highest UV index in Harrietta are June through August, with an average maximum UV index of 5. A UV Index value of 3 to 5 symbolizes a medium vulnerability from unsafe exposure to UV radiation for average individuals.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. Limiting sun exposure during midday hours helps in reducing the harmful effects of UV radiation. In the presence of strong sunlight, it's crucial to wear sunglasses that ward off UVA and UVB rays.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in August
Harrietta, MI
- Average high temperature in August: 76.5°F
The warmest month (with the highest average high temperature) is July (77.2°F).
The month with the lowest average high temperature is January (23.9°F).
- Average low temperature in August: 56.8°F
The month with the highest average low temperature is July (57.7°F).
The coldest month (with the lowest average low temperature) is January (14.7°F).
Average pressure in August
Harrietta, MI
- Average pressure in August: 29.95"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
Harrietta, 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 (6.7mph).
Average humidity in August
Harrietta, MI
- Average humidity in August: 79%
The month with the highest relative humidity is January (91%).
The months with the lowest relative humidity are April and May (75%).
Average rainfall in August
Harrietta, MI
- Average rainfall in August: 2.09"
The wettest month (with the highest rainfall) is October (3.46").
The driest month (with the least rainfall) is February (1.65").
Average rainfall days in August
Harrietta, MI
- Average rainfall days in August: 15.7 days
The month with the highest number of rainy days is May (17 days).
The month with the least rainy days is February (4.1 days).
Average snowfall in August
Harrietta, MI
- Average snowfall in August: 0"
The month with the highest snowfall is January (10.79").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in August
Harrietta, MI
- Average snowfall days in August: 0 days
The month with the highest number of snowfall days is January (23.8 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in August /
Average sunshine in August
Harrietta, MI
- Average daylight in August: 14h and 0min
The month with the longest days is June (Average daylight: 15h and 30min).
The month with the shortest days is December (Average daylight: 8h and 54min).
- Average sunshine in August: 9h and 18min
The month with the most sunshine is July (Average sunshine: 9h and 48min).
The month with the least sunshine is January (Average sunshine: 1h and 42min).
Average sunshine days in August
Harrietta, MI
- Average sunshine days in August: 10.6 days
The month with the most sunshine days is September (13.3 days).
The month with the least sunshine days is January (6 days).
Average UV index in August
Harrietta, MI
- Average UV index in August: 5
The months with the highest UV index are June, July and August (UV index 5).
The months with the lowest UV index are January, February, November and December (UV index 1).
Average cloud cover in August
Harrietta, MI
- Average cloud cover in August: 37
The month with the most cloud cover is January (Cloud cover 83).
The month with the least cloud cover is July (Cloud cover 35).
Average visibility in August
Harrietta, MI
- Average visibility in August: 5mi
The months with the highest visibility are April, May, June and October (6mi).
The months with the lowest visibility are January, February and December (4mi).





