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
On the advent of August, Mount Vernon's average high-temperature exhibits a minor adjustment to a still warm 78.8°F (26°C) from July's 79.9°F (26.6°C). Mount Vernon records an average low-temperature of 60.4°F (15.8°C) throughout the month of August.Humidity
In August, the average relative humidity in Mount Vernon is 82%.Rainfall
In Mount Vernon, Ohio, in August, during 15.4 rainfall days, 1.77" (45mm) of precipitation is typically accumulated. Throughout the year, there are 148.8 rainfall days, and 18.9" (480mm) of precipitation is accumulated.Snowfall
May through October are months without snowfall.Daylight
In Mount Vernon, the average length of the day in August is 13h and 44min.On the first day of the month, sunrise is at 6:28 am and sunset at 8:44 pm. On the last day of August, in Mount Vernon, sunrise is at 6:57 am and sunset at 8:02 pm EDT.
Sunshine
With an average of 10.1h of sunshine, August has the most sunshine of the year in Mount Vernon, Ohio.UV index
In Mount Vernon, the average daily maximum UV index in August is 5. A UV Index of 3 to 5 symbolizes a medium vulnerability from unprotected exposure to Sun's UV rays for the ordinary person.Note: The maximum daily UV index of 5 in August interprets into the following recommendations:
Put precautions into practice - Protective measures against sun-induced damage are advised. To prevent harmful UV exposure, minimize direct contact with the Sun around midday. During bright days, sunglasses that offer UVA and UVB defense are recommended.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the temperature in August?
What is the average humidity in August?
How many days does it rain in August?
When it does not snow in Mount Vernon?
What is the average length of the day in August?
When are sunrise and sunset in August in Mount Vernon?
What month has the most sunshine?
How many hours of sunshine does Mount Vernon have in August?
What is the UV index intensity in August?
Average temperature in August
Mount Vernon, OH
- Average high temperature in August: 78.8°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 (31.5°F).
- Average low temperature in August: 60.4°F
The month with the highest average low temperature is July (62.1°F).
The coldest month (with the lowest average low temperature) is January (19.2°F).
Average pressure in August
Mount Vernon, OH
- Average pressure in August: 29.99"Hg
The month with the highest atmospheric pressure is November (30.13"Hg).
The month with the lowest atmospheric pressure is June (29.94"Hg).
Average wind speed in August
Mount Vernon, OH
- Average wind speed in August: 5.7mph
The windiest month (with the highest average wind speed) is January (10.1mph).
The calmest months (with the lowest average wind speed) are July and August (5.7mph).
Average humidity in August
Mount Vernon, OH
- Average humidity in August: 82%
The month with the highest relative humidity is January (86%).
The months with the lowest relative humidity are March, April and November (78%).
Average rainfall in August
Mount Vernon, OH
- Average rainfall in August: 1.77"
The wettest month (with the highest rainfall) is May (2.36").
The driest month (with the least rainfall) is February (1.18").
Average rainfall days in August
Mount Vernon, OH
- Average rainfall days in August: 15.4 days
The month with the highest number of rainy days is May (18.6 days).
The month with the least rainy days is February (6.9 days).
Average snowfall in August
Mount Vernon, OH
- Average snowfall in August: 0"
The month with the highest snowfall is February (1.65").
The months with the least snowfall are May, June, July, August, September and October (0").
Average snowfall days in August
Mount Vernon, OH
- Average snowfall days in August: 0 days
The month with the highest number of snowfall days is January (10 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in August /
Average sunshine in August
Mount Vernon, OH
- Average daylight in August: 13h and 4min
The month with the longest days is June (Average daylight: 15h and 0min).
The month with the shortest days is December (Average daylight: 9h and 18min).
- Average sunshine in August: 10h and 1min
The month with the most sunshine is August (Average sunshine: 10h and 6min).
The month with the least sunshine is January (Average sunshine: 3h and 12min).
Average sunshine days in August
Mount Vernon, OH
- Average sunshine days in August: 12.7 days
The month with the most sunshine days is November (19 days).
The month with the least sunshine days is May (10.5 days).
Average UV index in August
Mount Vernon, OH
- Average UV index in August: 5
The months with the highest UV index are June and July (UV index 6).
The months with the lowest UV index are January, February, October, November and December (UV index 2).
Average cloud cover in August
Mount Vernon, OH
- Average cloud cover in August: 32
The month with the most cloud cover is January (Cloud cover 67).
The month with the least cloud cover is August (Cloud cover 32).
Average visibility in August
Mount Vernon, OH
- 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).
Mount Vernon, Ohio, USA
Weather forecast for your location
2. Allow the app to use your location