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
August's presence marks an average high-temperature of a still warm 78.4°F (25.8°C), subtly varied from July's 79.9°F (26.6°C). Throughout August, an average low-temperature of 59.9°F (15.5°C) is expected in Rockford.Humidity
The average relative humidity in August in Rockford is 78%.Rainfall
In Rockford, in August, it is raining for 11.4 days, with typically 1.46" (37mm) of accumulated precipitation. In Rockford, during the entire year, the rain falls for 135.2 days and collects up to 18.19" (462mm) of precipitation.Snowfall
May through September are months without snowfall.Daylight
In August, the average length of the day is 13h and 53min.On the first day of the month, sunrise is at 6:33 am and sunset at 9:03 pm. On the last day of August, sunrise is at 7:06 am and sunset at 8:18 pm EDT.
Sunshine
The average sunshine in August is 9.7h.UV index
The month with the highest UV index is August, with an average maximum UV index of 6. A UV Index estimate of 6 to 7 represents a high health vulnerability from exposure to the Sun's UV rays for the average person.Note: The UV index of 6 during August leads to these advisories:
Persist with precautions and heed sun safety advice. Prevention of sunburn is compulsory. Seek shade and limit direct sun exposure between 10 a.m. and 4 p.m., the peak period for UV radiation. Keep in mind that shade structures like parasols or canopies do not offer complete sun protection. For minimizing sun-related eye damage, always choose sunglasses with UVA and UVB coverage.
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Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the average August temperature?
What is the average humidity in August?
How many days does it rain in August?
When it does not snow?
What is the average length of the day in August?
What time are sunrise and sunset in August?
How long on average sun shines in August?
When is the highest UV index?
How high is the UV index in August?
Average temperature in August
Rockford, MI
- Average high temperature in August: 78.4°F
The warmest month (with the highest average high temperature) is July (79.9°F).
The month with the lowest average high temperature is January (27.3°F).
- Average low temperature in August: 59.9°F
The month with the highest average low temperature is July (61°F).
The coldest month (with the lowest average low temperature) is January (18°F).
Average pressure in August
Rockford, 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
Rockford, MI
- Average wind speed in August: 6.6mph
The windiest month (with the highest average wind speed) is April (9.9mph).
The calmest months (with the lowest average wind speed) are July and August (6.6mph).
Average humidity in August
Rockford, MI
- Average humidity in August: 78%
The month with the highest relative humidity is January (88%).
The month with the lowest relative humidity is April (74%).
Average rainfall in August
Rockford, MI
- Average rainfall in August: 1.46"
The wettest month (with the highest rainfall) is October (2.24").
The driest months (with the least rainfall) are February and September (1.1").
Average rainfall days in August
Rockford, MI
- Average rainfall days in August: 11.4 days
The month with the highest number of rainy days is October (15.9 days).
The month with the least rainy days is February (5.9 days).
Average snowfall in August
Rockford, MI
- Average snowfall in August: 0"
The month with the highest snowfall is January (4.69").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in August
Rockford, MI
- Average snowfall days in August: 0 days
The month with the highest number of snowfall days is January (19.5 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in August /
Average sunshine in August
Rockford, 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: 9h and 4min
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 18min).
Average sunshine days in August
Rockford, MI
- Average sunshine days in August: 15.8 days
The month with the most sunshine days is September (17.5 days).
The month with the least sunshine days is February (8.5 days).
Average UV index in August
Rockford, 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, November and December (UV index 1).
Average cloud cover in August
Rockford, MI
- Average cloud cover in August: 32
The month with the most cloud cover is January (Cloud cover 75).
The month with the least cloud cover is July (Cloud cover 31).
Average visibility in August
Rockford, MI
- Average visibility in August: 6mi
The months with the highest visibility are March, April, May, June, July, August, September, October and November (6mi).
The month with the lowest visibility is January (4mi).
Rockford, Michigan, USA
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