August weather forecastVandalia, MI
August
Weather in August
August, the last month of the summer in Vandalia, is another warm month, with an average temperature ranging between min 60.6°F (15.9°C) and max 78.3°F (25.7°C).Temperature
As July turns into August, the average high-temperatures rest at a still moderately hot 78.3°F (25.7°C), showing a minor variation from the prior month. An average nighttime temperature of 60.6°F (15.9°C) is witnessed throughout August.Humidity
In August, the average relative humidity is 82%.Rainfall
In Vandalia, in August, during 12.3 rainfall days, 0.87" (22mm) of precipitation is typically accumulated. In Vandalia, during the entire year, the rain falls for 112.7 days and collects up to 10" (254mm) of precipitation.Snowfall
In Vandalia, snow does not fall in June through September.Daylight
In Vandalia, the average length of the day in August is 13h and 49min.On the first day of the month, sunrise is at 6:38 am and sunset at 9:01 pm. On the last day of August, sunrise is at 7:09 am and sunset at 8:18 pm EDT.
Sunshine
In August, the average sunshine is 9.2h.UV index
June and August, with an average maximum UV index of 6, are months with the highest UV index in Vandalia. A UV Index value of 6 to 7 symbolizes a high health risk from unsafe exposure to UV radiation for the ordinary person.Note: The daily maximum UV index of 6 in August interprets into the following advice:
Conform to measures and uphold sun safety traditions. Warding off skin and eye harm is necessary. 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. Outfit yourself in sun-safe attire, like long sleeves, pants, a hat, and UV-blocking sunglasses.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in August
Vandalia, MI
- Average high temperature in August: 78.3°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 (28.8°F).
- Average low temperature in August: 60.6°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 (18.7°F).
Average pressure in August
Vandalia, MI
- Average pressure in August: 29.98"Hg
The months with the highest atmospheric pressure are January, March, November and December (30.09"Hg).
The month with the lowest atmospheric pressure is June (29.93"Hg).
Average wind speed in August
Vandalia, MI
- Average wind speed in August: 6.2mph
The windiest month (with the highest average wind speed) is January (10.3mph).
The calmest month (with the lowest average wind speed) is August (6.2mph).
Average humidity in August
Vandalia, 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
Vandalia, MI
- Average rainfall in August: 0.87"
The wettest month (with the highest rainfall) is June (1.34").
The driest month (with the least rainfall) is February (0.47").
Average rainfall days in August
Vandalia, MI
- Average rainfall days in August: 12.3 days
The month with the highest number of rainy days is May (13.8 days).
The months with the least rainy days are January and February (4.1 days).
Average snowfall in August
Vandalia, MI
- Average snowfall in August: 0"
The month with the highest snowfall is January (1.65").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in August
Vandalia, MI
- Average snowfall days in August: 0 days
The month with the highest number of snowfall days is January (13 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, 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 12min
The month with the most sunshine is July (Average sunshine: 10h and 0min).
The month with the least sunshine is January (Average sunshine: 2h and 42min).
Average sunshine days in August
Vandalia, MI
- Average sunshine days in August: 14.8 days
The months with the most sunshine days are March and November (18.7 days).
The month with the least sunshine days is June (13.2 days).
Average UV index in August
Vandalia, MI
- 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 and December (UV index 1).
Average cloud cover in August
Vandalia, MI
- Average cloud cover in August: 34
The month with the most cloud cover is January (Cloud cover 73).
The month with the least cloud cover is July (Cloud cover 33).
Average visibility in August
Vandalia, 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).
