August weather forecastMarion, IN
August
Weather in August
August, though almost as warm as July, exhibits a marginal dip in temperatures, with maximums of 79.3°F (26.3°C) on average. The days slowly start to become shorter but still carry the warmth of the summer. Late summer thunderstorms can be expected, though they often provide a much-needed respite from the heat. The month comes with the anticipation of transition towards fall. The heat of late summer afternoons is tempered by cooler breezes as sunset approaches.Temperature
Marion marks the start of August with an average high-temperature of a still moderately hot 79.3°F (26.3°C), hinting at a slight fluctuation from July's 81.1°F (27.3°C). August's nights observe an average temperature of 61.9°F (16.6°C).Humidity
In Marion, the average relative humidity in August is 82%.Rainfall
In Marion, in August, during 11.8 rainfall days, 1.22" (31mm) of precipitation is typically accumulated. Throughout the year, there are 123.4 rainfall days, and 12.64" (321mm) of precipitation is accumulated.Snowfall
In Marion, Indiana, snow does not fall in May through September.Daylight
In August, the average length of the day is 13h and 44min.On the first day of August in Marion, sunrise is at 6:40 am and sunset at 8:57 pm. On the last day of the month, sunrise is at 7:09 am and sunset at 8:15 pm EDT.
Sunshine
In August, the average sunshine is 9.3h.UV index
June through August, with an average maximum UV index of 6, are months with the highest UV index. A UV Index estimate of 6 to 7 represents a high threat to health from unprotected exposure to Sun's UV rays for the average person.Note: In August, a regular UV index of 6 translates into these guidelines:
Incorporate safeguards and honour sun safety principles. Protection from skin and eye damage is obligatory. The Sun emits the most powerful UV radiation between 10 a.m. and 4 p.m. Try to avoid direct sunlight during this period. 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
Marion, IN
- Average high temperature in August: 79.3°F
The warmest month (with the highest average high temperature) is July (81.1°F).
The month with the lowest average high temperature is January (31.5°F).
- Average low temperature in August: 61.9°F
The month with the highest average low temperature is July (64°F).
The coldest month (with the lowest average low temperature) is January (19.8°F).
Average pressure in August
Marion, IN
- Average pressure in August: 29.98"Hg
The months with the highest atmospheric pressure are January and November (30.12"Hg).
The month with the lowest atmospheric pressure is June (29.93"Hg).
Average wind speed in August
Marion, IN
- Average wind speed in August: 6.1mph
The windiest month (with the highest average wind speed) is January (10.4mph).
The calmest month (with the lowest average wind speed) is August (6.1mph).
Average humidity in August
Marion, IN
- Average humidity in August: 82%
The months with the highest relative humidity are January and December (83%).
The month with the lowest relative humidity is October (73%).
Average rainfall in August
Marion, IN
- Average rainfall in August: 1.22"
The wettest month (with the highest rainfall) is May (1.69").
The driest month (with the least rainfall) is February (0.63").
Average rainfall days in August
Marion, IN
- Average rainfall days in August: 11.8 days
The month with the highest number of rainy days is May (16.3 days).
The month with the least rainy days is February (4.8 days).
Average snowfall in August
Marion, IN
- Average snowfall in August: 0"
The month with the highest snowfall is February (1.14").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in August
Marion, IN
- 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
Marion, IN
- Average daylight in August: 13h and 42min
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: 9h and 18min
The months with the most sunshine are June and July (Average sunshine: 10h and 0min).
The month with the least sunshine is January (Average sunshine: 3h and 30min).
Average sunshine days in August
Marion, IN
- Average sunshine days in August: 15 days
The month with the most sunshine days is November (19.4 days).
The month with the least sunshine days is May (11.6 days).
Average UV index in August
Marion, IN
- 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
Marion, IN
- Average cloud cover in August: 34
The month with the most cloud cover is January (Cloud cover 64).
The months with the least cloud cover are June, July and August (Cloud cover 34).
Average visibility in August
Marion, IN
- Average visibility in August: 5mi
The months with the highest visibility are January, February, March, April, May, June, September, October, November and December (6mi).
The months with the lowest visibility are July and August (5mi).
