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
As August unfolds, the average high-temperature reaches a still warm 79.7°F (26.5°C), hinting at a slight fluctuation from the previous month. Vandalia's nighttime temperature during August is consistently averaged at a refreshing 62.4°F (16.9°C).Humidity
The average relative humidity in August is 80%.Rainfall
In August, the rain falls for 12.8 days. Throughout August, 1.61" (41mm) of precipitation is accumulated. In Vandalia, during the entire year, the rain falls for 138.9 days and collects up to 17.01" (432mm) of precipitation.Snowfall
May through September are months without snowfall.Daylight
The average length of the day in August is 13h and 42min.On the first day of the month, sunrise is at 6:36 am and sunset at 8:50 pm. On the last day of August, sunrise is at 7:04 am and sunset at 8:09 pm EDT.
Sunshine
The average sunshine in August is 10h.UV index
The months with the highest UV index are June and August, with an average maximum UV index of 6. A UV Index of 6 to 7 symbolizes a high health hazard from exposure to the Sun's UV radiation for the average person.Note: A daily high UV index of 6 in August leads to these guidelines:
Implement preventive steps and embrace sun safety standards. Protection from skin and eye distress is compulsory. Seek shade and limit direct Sun exposure between 10 a.m. and 4 p.m., when UV radiation is at its peak, but be aware that not all shade structures provide complete sun protection. On sunny days, it's ideal to wear sunglasses that filter out UVA and UVB rays.
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 in Vandalia?
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?
What is the month with the highest UV index?
What is the UV index intensity in August?
Average temperature in August
Vandalia, OH
- Average high temperature in August: 79.7°F
The warmest month (with the highest average high temperature) is July (80.8°F).
The month with the lowest average high temperature is January (32.7°F).
- Average low temperature in August: 62.4°F
The month with the highest average low temperature is July (64.4°F).
The coldest month (with the lowest average low temperature) is January (21.2°F).
Average pressure in August
Vandalia, OH
- Average pressure in August: 29.98"Hg
The months with the highest atmospheric pressure are January and November (30.13"Hg).
The month with the lowest atmospheric pressure is June (29.93"Hg).
Average wind speed in August
Vandalia, OH
- Average wind speed in August: 5.7mph
The windiest month (with the highest average wind speed) is January (10.3mph).
The calmest month (with the lowest average wind speed) is August (5.7mph).
Average humidity in August
Vandalia, OH
- Average humidity in August: 80%
The month with the highest relative humidity is January (83%).
The months with the lowest relative humidity are October and November (75%).
Average rainfall in August
Vandalia, OH
- Average rainfall in August: 1.61"
The wettest month (with the highest rainfall) is May (2.36").
The driest months (with the least rainfall) are January, February and November (0.98").
Average rainfall days in August
Vandalia, OH
- Average rainfall days in August: 12.8 days
The month with the highest number of rainy days is May (17.5 days).
The month with the least rainy days is February (6.6 days).
Average snowfall in August
Vandalia, OH
- Average snowfall in August: 0"
The month with the highest snowfall is January (1.34").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in August
Vandalia, OH
- Average snowfall days in August: 0 days
The month with the highest number of snowfall days is January (9.8 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in August /
Average sunshine in August
Vandalia, 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 24min).
- Average sunshine in August: 10h and 0min
The months with the most sunshine are June and July (Average sunshine: 10h and 6min).
The month with the least sunshine is January (Average sunshine: 3h and 36min).
Average sunshine days in August
Vandalia, OH
- Average sunshine days in August: 14.3 days
The month with the most sunshine days is November (19.5 days).
The month with the least sunshine days is May (11 days).
Average UV index in August
Vandalia, OH
- Average UV index in August: 6
The months with the highest UV index are June and August (UV index 6).
The months with the lowest UV index are January, February, November and December (UV index 2).
Average cloud cover in August
Vandalia, OH
- Average cloud cover in August: 30
The month with the most cloud cover is January (Cloud cover 63).
The month with the least cloud cover is August (Cloud cover 30).
Average visibility in August
Vandalia, OH
- Average visibility in August: 6mi
The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
Vandalia, Ohio, USA
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