Columbus
Ohio, USA
Long-term weather forecast
Long-term weather forecast

August weather forecast and climate
Columbus, OH

An evening autumn view of the cityscape of Columbus, Ohio, from the water and over the bridge
An evening autumn view of the cityscape of Columbus, Ohio, from the water and over the bridge
August is a hot and humid summer month in Columbus and receives 3.3" (83.8mm) of rain. The sun shines for a daily 8 hours amid mostly clear skies.
The average temperatures are in the 64°F (17.8°C) to 84°F (28.9°C) range with many days over 80°F (26.7°C) but few cross 90°F (32.2°C). Nights are warm and seldom drop below 55°F (12.8°C).
The parks, restaurants, and malls are bustling with activity as people flock to the water to get relief from the muggy conditions. The sticky heat is a driver for swimming in the creeks and water spots. August can throw a surprise with an odd tornado passing through Columbus!

What is the temperature in August in Columbus?

In August, in Columbus, Ohio, the average high-temperature is 83.7°F (28.7°C), and the average low-temperature is 64°F (17.8°C). In August, the average heat index (a.k.a. 'felt air temperature', 'feels like'), that factores the actual air temperature with the relative humidity, is calculated to 90.7°F (32.6°C).

What is the average humidity in August in Columbus?

In August, the average relative humidity in Columbus, Ohio, is 72.8%.

How much does it rain in Columbus in August?

In Columbus, Ohio, during August, the rain falls for 9.2 days and regularly aggregates up to 3.3" (84.3mm) of precipitation.

When it does not snow in Columbus?

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

How many hours of daylight does Columbus have in August?

In August, the average length of the day is 13.7h.

How many hours of sunshine does Columbus have in August?

The average sunshine in August in Columbus is 7.6h.

How high is the UV index in August in Columbus?

In Columbus, Ohio, the average daily maximum UV index in August is 8. A UV Index estimate of 8 to 10 represents a very high health risk from unprotected exposure to the UV radiation.
Average temperature in August - Columbus, OH
  • Average high temperature in August: 83.7°F

The warmest month (with the highest average high temperature) is July (84.9°F).
The month with the lowest average high temperature is January (36.5°F).

  • Average low temperature in August: 64.1°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 (22.6°F).

Average humidity in August - Columbus, OH
  • Average humidity in August: 72.8%

The month with the highest relative humidity is December (74.1%).
The month with the lowest relative humidity is April (62.5%).

Average rainfall in August - Columbus, OH
  • Average rainfall in August: 3.3"

The wettest month (with the highest rainfall) is July (4.8").
The driest month (with the lowest rainfall) is February (2.3").

Average rainfall days in August - Columbus, OH
  • Average rainfall days in August: 9.2 days

The month with the highest number of rainy days is January (14 days).
The month with the lowest number of rainy days is September (8.4 days).

Average snowfall in August - Columbus, OH
  • Average snowfall in August: 0"

The month with the highest snowfall is January (9.2").
Months with the lowest 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 (9.1 days).
Months with the lowest number of snowfall days are May, June, July, August and September (0 days).

Average daylight in August / Average sunshine in August - Columbus, OH
  • Average daylight in August: 13.7h

The month with the longest days is June (Average daylight: 15h).
The month with shortest days is December (Average daylight: 9.4h).

  • Average sunshine in August: 7.6h

The month with most sunshine is June (Average sunshine: 8.6h).
The month with least sunshine is December (Average sunshine: 2.7h).

Average UV index in August - Columbus, OH
  • Average UV index in August: 8

Months with the highest UV index are June and July (UV index 9).
The month with the lowest UV index is December (UV index 1).