August weather forecastVermilion, OH
August
Weather in August
August gives Vermilion dwellers a final taste of summer before its inevitable retreat. While the increases might seem trivial, it's important to remember that each degree can be felt during these ultimate summer days. Towards the end of August, temperatures start to cool off, signaling the arrival of fall. Consequently, most residents opt to spend their days relishing the dwindling summer vibes along the coast of Lake Erie. Indulge in outdoor activities and make the most of what's left of summer as August marks the advent of soothing autumnal nights.Temperature
An average high-temperature of a still warm 75.7°F (24.3°C) marks August, exhibiting a close resemblance to the conditions in July. During August, Vermilion records a consistent average nighttime temperature of 66.4°F (19.1°C).Humidity
In Vermilion, the average relative humidity in August is 77%.Rainfall
In Vermilion, during August, the rain falls for 13.3 days and regularly aggregates up to 1.22" (31mm) of precipitation. In Vermilion, during the entire year, the rain falls for 138.4 days and collects up to 12.28" (312mm) of precipitation.Snowfall
May through October are months without snowfall.Ocean temperature
August is the month with the warmest seawater, with an average ocean temperature of 76.6°F (24.8°C).Note: Imagine a swim in 76.6°F (24.8°C) waters. How you'd feel depends on your cold sensitivity, the sun's rays, the caress of the wind, and the warmth enveloping you. Comparatively, Olympic swimmers train in waters between 77°F (25°C) and 82.4°F (28°C).
Daylight
In Vermilion, the average length of the day in August is 13h and 47min.On the first day of the month, sunrise is at 6:25 am and sunset at 8:46 pm. On the last day of August, sunrise is at 6:55 am and sunset at 8:03 pm EDT.
Sunshine
The average sunshine in August is 10.5h.UV index
June through August, with an average maximum UV index of 6, are months with the highest UV index. A UV Index reading of 6 to 7 represents a high health hazard from exposure to the Sun's UV radiation for ordinary individuals.Note: In August, a daily UV index of 6 turns into the following recommendations:
Conform to measures and uphold sun safety traditions. Warding off skin and eye harm is necessary. The Sun emits the most powerful UV radiation between 10 a.m. and 4 p.m. Try to avoid direct sunlight during this period. Consider a wide-brim hat essential for effective sun defense covering your face, neck, and eyes. Alert! UV radiation becomes sharper due to reflections from sand and water.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in August
Vermilion, OH
- Average high temperature in August: 75.7°F
The warmest month (with the highest average high temperature) is July (76.6°F).
The month with the lowest average high temperature is January (30.9°F).
- Average low temperature in August: 66.4°F
The month with the highest average low temperature is July (66.9°F).
The coldest month (with the lowest average low temperature) is January (21.9°F).
Average pressure in August
Vermilion, OH
- Average pressure in August: 29.98"Hg
The month with the highest atmospheric pressure is November (30.11"Hg).
The month with the lowest atmospheric pressure is June (29.93"Hg).
Average wind speed in August
Vermilion, OH
- Average wind speed in August: 8.3mph
The windiest month (with the highest average wind speed) is January (12.7mph).
The calmest month (with the lowest average wind speed) is July (7.7mph).
Average humidity in August
Vermilion, OH
- Average humidity in August: 77%
The month with the highest relative humidity is February (84%).
The months with the lowest relative humidity are October and November (75%).
Average rainfall in August
Vermilion, OH
- Average rainfall in August: 1.22"
The wettest month (with the highest rainfall) is June (1.38").
The driest month (with the least rainfall) is February (0.67").
Average rainfall days in August
Vermilion, OH
- Average rainfall days in August: 13.3 days
The month with the highest number of rainy days is June (14.5 days).
The month with the least rainy days is January (6.8 days).
Average snowfall in August
Vermilion, OH
- Average snowfall in August: 0"
The month with the highest snowfall is February (1.34").
The months with the least snowfall are May, June, July, August, September and October (0").
Average snowfall days in August
Vermilion, OH
- Average snowfall days in August: 0 days
The month with the highest number of snowfall days is January (12.2 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average sea temperature in August
Vermilion, OH
- Average sea temperature in August: 76.6°F
The best month for swimming (with the highest average sea temperature) is August (76.6°F).
The coldest month (with the lowest average sea temperature) is February (33.1°F).
Average daylight in August /
Average sunshine in August
Vermilion, OH
- Average daylight in August: 13h and 48min
The month with the longest days is June (Average daylight: 15h and 6min).
The month with the shortest days is December (Average daylight: 9h and 12min).
- Average sunshine in August: 10h and 30min
The month with the most sunshine is July (Average sunshine: 10h and 36min).
The month with the least sunshine is January (Average sunshine: 3h and 6min).
Average sunshine days in August
Vermilion, OH
- Average sunshine days in August: 13.2 days
The month with the most sunshine days is March (15 days).
The month with the least sunshine days is January (12.1 days).
Average UV index in August
Vermilion, OH
- Average UV index in August: 6
The months with the highest UV index are June, July and August (UV index 6).
The month with the lowest UV index is December (UV index 1).
Average cloud cover in August
Vermilion, OH
- Average cloud cover in August: 27
The month with the most cloud cover is January (Cloud cover 69).
The months with the least cloud cover are July and August (Cloud cover 27).
Average visibility in August
Vermilion, OH
- Average visibility in August: 6mi
The months with the highest visibility are February, March, April, May, June, July, August, September, October, November and December (6mi).
The month with the lowest visibility is January (5mi).





