August weather forecastMarcellus, MI
August
Weather in August
August, the last month of the summer in Marcellus, is also a moderately hot month, with an average temperature varying between 78.4°F (25.8°C) and 59.9°F (15.5°C).Temperature
Marcellus's weather in August displays an average high-temperature of a still warm 78.4°F (25.8°C), showing minor disparity from July's 80.1°F (26.7°C). Marcellus reports a consistent average low-temperature of 59.9°F (15.5°C) throughout August nights.Humidity
In Marcellus, the average relative humidity in August is 82%.Rainfall
In Marcellus, in August, it is raining for 13.8 days, with typically 1.26" (32mm) of accumulated precipitation. In Marcellus, during the entire year, the rain falls for 124.9 days and collects up to 12.95" (329mm) of precipitation.Snowfall
June through September are months without snowfall.Daylight
The average length of the day in August in Marcellus is 13h and 49min.On the first day of August, sunrise is at 6:37 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 Marcellus, the average sunshine in August is 9.4h.UV index
In August, the average daily maximum UV index is 5. A UV Index reading of 3 to 5 represents a medium vulnerability from exposure to the Sun's UV rays for the average person.Note: The maximum UV index, 5 during August, leads to the following recommendations:
Guard yourself - Avoiding sunburn is suggested. During midday, the Sun's radiation is strongest, and it's advisable to reduce direct exposure. For excellent sun protection for the eyes, ears, face, and neck, consider a wide-brim hat.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in August
Marcellus, MI
- Average high temperature in August: 78.4°F
The warmest month (with the highest average high temperature) is July (80.1°F).
The month with the lowest average high temperature is January (28.8°F).
- Average low temperature in August: 59.9°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 (18.1°F).
Average pressure in August
Marcellus, 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
Marcellus, MI
- Average wind speed in August: 6.3mph
The windiest month (with the highest average wind speed) is January (10.3mph).
The calmest months (with the lowest average wind speed) are July and August (6.3mph).
Average humidity in August
Marcellus, MI
- Average humidity in August: 82%
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
Marcellus, MI
- Average rainfall in August: 1.26"
The wettest month (with the highest rainfall) is May (1.73").
The driest months (with the least rainfall) are January, February, November and December (0.63").
Average rainfall days in August
Marcellus, MI
- Average rainfall days in August: 13.8 days
The month with the highest number of rainy days is May (15.5 days).
The month with the least rainy days is January (4.4 days).
Average snowfall in August
Marcellus, MI
- Average snowfall in August: 0"
The month with the highest snowfall is January (1.61").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in August
Marcellus, MI
- Average snowfall days in August: 0 days
The month with the highest number of snowfall days is January (10.8 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in August /
Average sunshine in August
Marcellus, 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 12min).
- Average sunshine in August: 9h and 24min
The month with the most sunshine is July (Average sunshine: 10h and 6min).
The month with the least sunshine is January (Average sunshine: 2h and 48min).
Average sunshine days in August
Marcellus, MI
- Average sunshine days in August: 12.7 days
The months with the most sunshine days are November and December (18.5 days).
The month with the least sunshine days is July (11.8 days).
Average UV index in August
Marcellus, MI
- Average UV index in August: 5
The month with the highest UV index is June (UV index 6).
The months with the lowest UV index are January and December (UV index 1).
Average cloud cover in August
Marcellus, MI
- Average cloud cover in August: 33
The month with the most cloud cover is January (Cloud cover 72).
The month with the least cloud cover is July (Cloud cover 32).
Average visibility in August
Marcellus, MI
- Average visibility in August: 5mi
The months with the highest visibility are February, March, April, May, June, October, November and December (6mi).
The months with the lowest visibility are January, July, August and September (5mi).
