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
The average high-temperature during August registers at a still moderately hot 78.4°F (25.8°C), maintaining a close resemblance to the previous month. Mattawan's August nights cool down to an average low-temperature of 60.4°F (15.8°C).Humidity
In August, the average relative humidity is 80%.Rainfall
In August, the rain falls for 15.7 days. Throughout August, 2.44" (62mm) of precipitation is accumulated. In Mattawan, during the entire year, the rain falls for 164 days and collects up to 29.69" (754mm) of precipitation.Snowfall
In Mattawan, snow does not fall in June through September.Daylight
In August, the average length of the day is 13h and 50min.On the first day of August, sunrise is at 6:36 am and sunset at 9:01 pm. On the last day of the month, sunrise is at 7:08 am and sunset at 8:18 pm EDT.
Sunshine
In Mattawan, Michigan, the average sunshine in August is 9.6h.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 risk from unsafe exposure to UV radiation for ordinary individuals.Note: The UV index of 6 during August leads to these advisories:
Follow precautions and abide by sun safety rules. Deterrence of sunburn is imperative. UV radiation from the sun is at its strongest between 10 a.m. and 4 p.m. Try to limit direct exposure during these hours. 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
What are the temperatures in Mattawan in August?
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?
When are sunrise and sunset in August?
How long on average sun shines in August?
What is the month with the highest UV index?
What is the UV index intensity in August?
Average temperature in August
Mattawan, MI
- Average high temperature in August: 78.4°F
The warmest month (with the highest average high temperature) is July (79.7°F).
The month with the lowest average high temperature is January (28.6°F).
- Average low temperature in August: 60.4°F
The month with the highest average low temperature is July (61.7°F).
The coldest month (with the lowest average low temperature) is January (18.7°F).
Average pressure in August
Mattawan, MI
- Average pressure in August: 29.98"Hg
The months with the highest atmospheric pressure are January, March and November (30.09"Hg).
The month with the lowest atmospheric pressure is June (29.93"Hg).
Average wind speed in August
Mattawan, MI
- Average wind speed in August: 6.3mph
The windiest month (with the highest average wind speed) is January (10.2mph).
The calmest months (with the lowest average wind speed) are July and August (6.3mph).
Average humidity in August
Mattawan, MI
- Average humidity in August: 80%
The month with the highest relative humidity is January (87%).
The months with the lowest relative humidity are April and October (77%).
Average rainfall in August
Mattawan, MI
- Average rainfall in August: 2.44"
The wettest month (with the highest rainfall) is May (3.31").
The driest month (with the least rainfall) is September (1.73").
Average rainfall days in August
Mattawan, MI
- Average rainfall days in August: 15.7 days
The month with the highest number of rainy days is May (17.8 days).
The month with the least rainy days is February (6.9 days).
Average snowfall in August
Mattawan, MI
- Average snowfall in August: 0"
The month with the highest snowfall is January (6.22").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in August
Mattawan, MI
- Average snowfall days in August: 0 days
The month with the highest number of snowfall days is January (19.6 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in August /
Average sunshine in August
Mattawan, MI
- Average daylight in August: 13h and 5min
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 12min).
- 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 48min).
Average sunshine days in August
Mattawan, MI
- Average sunshine days in August: 11.8 days
The month with the most sunshine days is September (13.5 days).
The month with the least sunshine days is February (7.3 days).
Average UV index in August
Mattawan, MI
- Average UV index in August: 6
The month with the highest UV index is August (UV index 6).
The month with the lowest UV index is December (UV index 1).
Average cloud cover in August
Mattawan, MI
- Average cloud cover in August: 32
The month with the most cloud cover is January (Cloud cover 73).
The month with the least cloud cover is July (Cloud cover 30).
Average visibility in August
Mattawan, 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).
Mattawan, Michigan, USA
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