August weather forecast
Columbus, OH

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An evening autumn view of the cityscape of Columbus, Ohio
An evening autumn view of the cityscape of Columbus, Ohio

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's presence marks an average high-temperature of a still warm 82°F (27.8°C), subtly varied from July's 83.1°F (28.4°C). The nighttime temperature dips to a comfortable 63.9°F (17.7°C) on average during August.

Heat index

The heat index in August is appraised at a hot 87.8°F (31°C). Persisting in activity during long-term exposure might induce weariness, with subsequent heat cramps.
Take into consideration that the heat index values are calculated for shade and light wind conditions. Direct sunlight exposure may result in a rise of the heat index by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'feels like' or 'felt air temperature', is the outcome of merging air's temperature and its humidity metrics. The effect of weather is individual, with a variety of people experiencing it differently due to distinctions in body mass, height, and level of activity. Keep in mind that direct sunshine exposure can amplify the weather's effects, possibly increasing the heat index by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are quite important for children. Children frequently underestimate the importance of resting and drinking fluids. Thirst is a symptom of advanced dehydration - hence the need to hydrate regularly, especially during protracted physical exercises.

Humidity

In August, the average relative humidity in Columbus 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

The average length of the day in August in Columbus is 13h and 42min.
On the first day of August in Columbus, 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

August has the most sunshine of the year in Columbus, with an average of 10.4h of sunshine.

UV index

The months with the highest UV index in Columbus are May through August, with an average maximum UV index of 6. A UV Index value of 6 to 7 symbolizes a high health hazard from unprotected exposure to Sun's UV rays for average individuals.
Note: A typical high UV index of 6 in August suggests the following recommendations:
Apply measures and align with sun safety principles. Safeguarding against skin and eye injury is pivotal. Limit direct sun exposure especially between 10 a.m. and 4 p.m., when UV radiation is at its peak. However, keep in mind that shade structures may not provide full sun protection. Safeguard your eyes, ears, and face from sun rays with the aid of a wide-brim hat.
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Frequently asked questions

What is the temperature in August in Columbus?

The high-temperature in Columbus, Ohio, during August is 82°F (27.8°C) and the low-temperature is 63.9°F (17.7°C). The average heat index (a.k.a. 'real feel', 'feels like'), which takes the relative humidity and factors it into the air temperature reading, in August is appraised at 87.8°F (31°C).

What is the average humidity in August in Columbus?

In August, the average relative humidity in Columbus is 74%.

How much does it rain in Columbus in August?

In Columbus, in August, during 14.9 rainfall days, 2.32" (59mm) of precipitation is typically accumulated.

When it does not snow in Columbus?

May through September are months without snowfall in Columbus, Ohio.

What is the average length of the day in August in Columbus?

The average day length in August in Columbus, Ohio, is 13h and 42min.

What time are sunrise and sunset in August in Columbus?

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.

What month has the most sunshine in Columbus?

August has the most sunshine of the year in Columbus, with an average of 10.4h of sunshine.

How long on average sun shines in August in Columbus?

In August, the average sunshine duration is 10.4h.

When is the highest UV index in Columbus?

May through August, with an average maximum UV index of 6, are months with the highest UV index in Columbus.

What is the UV index reading in August in Columbus?

In August, the average daily maximum UV index is 6. A UV Index of 6 to 7 symbolizes a high health threat from unprotected exposure to UV radiation.
Average humidity
Average rainfall days
Average snowfall
Average snowfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in August
Columbus, OH

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).

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Average pressure in August
Columbus, OH

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).

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Average wind speed in August
Columbus, OH

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).

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Average humidity in August
Columbus, OH

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%).

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Average rainfall in August
Columbus, OH

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").

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Average rainfall days in August
Columbus, OH

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).

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Average snowfall in August
Columbus, OH

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").

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Average snowfall days in August
Columbus, OH

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).

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Average daylight in August /
Average sunshine in August
Columbus, OH

Average daylight in August / Average sunshine in August - Columbus, 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 2min

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).

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Average sunshine days in August
Columbus, OH

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).

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Average UV index in August
Columbus, OH

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).

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Average cloud cover in August
Columbus, OH

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).

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Average visibility in August
Columbus, OH

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).

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Columbus, Ohio, USA

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