August weather forecastColumbus, OH
August
Weather in August
August continues the warm trend set by July with similarly high temperatures of 82°F (27.8°C) and a comforting low of 63.9°F (17.7°C). The rainfall goes down to 2.32" (59mm). The weather is ideal for indulging in water sports with plenty of sunshine lasting 10.4 hours per day. Though cooling down, the afternoons still reach peak temperatures, calling for lighter clothing.Temperature
August denotes a minimal variation in the average high-temperature to a still warm 82°F (27.8°C) from July's 83.1°F (28.4°C). Nighttime temperatures consistently average a comfortable 63.9°F (17.7°C) during August.Heat index
August's average heat index is estimated at a hot 87.8°F (31°C). Continuous exposure and activity could induce a sense of tiredness and subsequently, heat cramps.It is crucial to understand that heat index figures are for shade and gentle wind conditions. Being exposed to direct sunshine might trigger a heat index increase by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'apparent temperature' or 'real feel', takes into account both air temperature and humidity to illustrate what people actually feel. The impact of weather is individual, with diverse individuals experiencing it differently due to variations in body mass, height, and activity levels. Awareness of direct sun exposure is crucial as it has the potential to heighten the weather's effects, pushing up the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values are especially crucial for babies and toddlers. Children commonly overlook the importance of rest and fluid replenishment. Thirst, being a delayed sign of dehydration, emphasizes the need to keep hydration up, especially during lengthy physical activities.
Humidity
In August, the average relative humidity is 74%.Rainfall
In Columbus, in August, during 14.9 rainfall days, 2.32" (59mm) of precipitation is typically accumulated. In Columbus, during the entire year, the rain falls for 164.3 days and collects up to 30.55" (776mm) of precipitation.Snowfall
In Columbus, snow does not fall in May through September.Daylight
In August, the average length of the day in Columbus is 13h and 42min.On the first day of August, sunrise is at 6:31 am and sunset at 8:45 pm. On the last day of the month, sunrise is at 6:59 am and sunset at 8:04 pm EDT.
Sunshine
The month with the most sunshine is August, with an average of 10.4h of sunshine.UV index
The months with the highest UV index are May through August, with an average maximum UV index of 6. A UV Index estimate of 6 to 7 represents a high threat to health from unprotected exposure to Sun's UV rays for the ordinary person.Note: The daily high UV index of 6 during August translates into the following recommendations:
Stand by precautions and apply sun safety measures. Evading sunburn is of great importance. Between 10 a.m. and 4 p.m., UV radiation is strongest. Make an effort to avoid direct sunlight during this time, remembering that shade structures may not provide full sun protection. Sunglasses that guard against UVA and UVB rays are pivotal in minimizing sun-induced ocular damage.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in August
Columbus, OH
- Average high temperature in August: 82°F
The warmest month (with the highest average high temperature) is July (83.1°F).
The month with the lowest average high temperature is January (33.4°F).
- Average low temperature in August: 63.9°F
The month with the highest average low temperature is July (65.5°F).
The coldest month (with the lowest average low temperature) is January (21.6°F).
Average pressure in August
Columbus, OH
- Average pressure in August: 29.99"Hg
The month with the highest atmospheric pressure is November (30.14"Hg).
The month with the lowest atmospheric pressure is June (29.94"Hg).
Average wind speed in August
Columbus, OH
- Average wind speed in August: 5.5mph
The windiest month (with the highest average wind speed) is January (9.4mph).
The calmest month (with the lowest average wind speed) is August (5.5mph).
Average humidity in August
Columbus, OH
- Average humidity in August: 74%
The month with the highest relative humidity is January (82%).
The month with the lowest relative humidity is October (73%).
Average rainfall in August
Columbus, OH
- Average rainfall in August: 2.32"
The wettest month (with the highest rainfall) is May (3.62").
The driest month (with the least rainfall) is September (1.69").
Average rainfall days in August
Columbus, OH
- Average rainfall days in August: 14.9 days
The month with the highest number of rainy days is May (18.4 days).
The month with the least rainy days is February (9.1 days).
Average snowfall in August
Columbus, OH
- Average snowfall in August: 0"
The month with the highest snowfall is February (3.31").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in August
Columbus, OH
- Average snowfall days in August: 0 days
The month with the highest number of snowfall days is January (12.9 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in August /
Average sunshine in August
Columbus, OH
- 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 24min).
- Average sunshine in August: 10h and 24min
The month with the most sunshine is August (Average sunshine: 10h and 24min).
The month with the least sunshine is January (Average sunshine: 3h and 30min).
Average sunshine days in August
Columbus, OH
- Average sunshine days in August: 12.8 days
The month with the most sunshine days is November (16.6 days).
The month with the least sunshine days is May (10.1 days).
Average UV index in August
Columbus, OH
- Average UV index in August: 6
The months with the highest UV index are May, June, July 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
Columbus, OH
- Average cloud cover in August: 29
The month with the most cloud cover is January (Cloud cover 63).
The month with the least cloud cover is August (Cloud cover 29).
Average visibility in August
Columbus, OH
- Average visibility in August: 6mi
The months with the highest visibility are March, April, May, June, July, August, September, October, November and December (6mi).
The months with the lowest visibility are January and February (5mi).
