August weather forecast
Columbus, IN

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Weather in August

August continues to embrace high summer temperatures, similar to July's, with the emphasis on lingering warmth and recurring humidity. The maximum average temperature remains high, peaking at 82.8°F (28.2°C). Even though temperatures are still quite high, there is a mild drop witnessed from the preceding month. The high UV Index is maintained from July, as August shares the top spot for the year. Despite the nights slowly beginning to draw in, August still boasts long daylight hours and plenty of sunshine.

Temperature

The transition from July to August sees average high-temperatures adjusting to a still moderately hot 82.8°F (28.2°C), from a not significantly different 83.3°F (28.5°C). Columbus throughout August, experiences an average nighttime temperature of 63.3°F (17.4°C).

Heat index

In August, the average heat index is appraised at a tropical 89.6°F (32°C). If one remains active during constant exposure, it might cause exhaustion and heat cramps.
Be advised, the heat index considers values for conditions in shade and with a light breeze. Heat index values may be hiked up by 15 Fahrenheit (8 Celsius) degrees under direct sunshine.
Note: The heat index, also known as 'real feel' or 'felt air temperature', is what the temperature feels like to the human body when the air temperature is combined with the relative humidity. The impact of weather is personal, differing among a variety of people based on differences in body mass, height, and the level of physical exertion. Consider that direct sun exposure can intensify the felt heat, adding potentially 15 Fahrenheit (8 Celsius) degrees to the heat index. Heat index values are of high significance for children. Children regularly disregard the necessity to rest and replenish fluids. Thirst is a late symptom of dehydration - thus, maintaining hydration, particularly during long-lasting physical activities, is essential.

Humidity

The average relative humidity in August is 79%.

Rainfall

In Columbus, during August, the rain falls for 14.6 days and regularly aggregates up to 2.05" (52mm) of precipitation. Throughout the year, there are 163.5 rainfall days, and 29.29" (744mm) of precipitation is accumulated.

Snowfall

May through October are months without snowfall.

Daylight

In Columbus, the average length of the day in August is 13h and 40min.
On the first day of the month, sunrise is at 6:44 am and sunset at 8:55 pm. On the last day of August, sunrise is at 7:12 am and sunset at 8:15 pm EDT.

Sunshine

In Columbus, Indiana, the average sunshine in August is 9.6h.

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 health hazard from exposure to the Sun's UV rays for the average person.
Note: In August, the average maximum UV index of 6 translates into the following recommendations:
Beware of overexposure. Fair-skinned individuals risk burning in less than 20 minutes. Seek shade and limit direct Sun exposure between 10 a.m. and 4 p.m., when UV radiation is at its peak, but be aware that not all shade structures provide complete sun protection. Protect your eyes, ears, face, and neck from the Sun by wearing a wide-brimmed hat.
Updated: Aug 19, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

Is it hot during August?

During August, Columbus experiences an average high-temperature of 82.8°F (28.2°C) and a low-temperature of 63.3°F (17.4°C). In August, the average heat index (a.k.a. 'real feel', 'felt air temperature'), which combines relative humidity and air temperature, is appraised at 89.6°F (32°C).

What is the average humidity in August?

In August, the average relative humidity is 79%.

How many days does it rain in August?

In August, in Columbus, the rain falls for 14.6 days. Throughout August, 2.05" (52mm) of precipitation is accumulated.

When it does not snow?

In Columbus, snow does not fall in May through October.

How many hours of daylight does Columbus have in August?

The average day length in August is 13h and 40min.

When is the sunrise / sunset in August?

On the first day of August, sunrise is at 6:44 am and sunset at 8:55 pm. On the last day of the month, sunrise is at 7:12 am and sunset at 8:15 pm EDT.

How long on average sun shines in August?

The average sunshine duration in August is 9.6h.

When is the highest UV index?

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

How high is the UV index in August?

The average daily maximum UV index in August is 6. A UV Index value of 6 to 7 symbolizes a high health vulnerability from unsafe exposure to Sun's UV rays.
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, IN

Average temperature in August - Columbus, IN
  • Average high temperature in August: 82.8°F

The warmest month (with the highest average high temperature) is July (83.3°F).
The month with the lowest average high temperature is January (35.2°F).

  • Average low temperature in August: 63.3°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 (22.5°F).

Average pressure in August
Columbus, IN

Average pressure in August - Columbus, IN
  • Average pressure in August: 29.98"Hg

The month with the highest atmospheric pressure is January (30.14"Hg).
The month with the lowest atmospheric pressure is June (29.93"Hg).

Average wind speed in August
Columbus, IN

Average wind speed in August - Columbus, IN
  • Average wind speed in August: 5.3mph

The windiest months (with the highest average wind speed) are January and February (8.9mph).
The calmest months (with the lowest average wind speed) are July and August (5.3mph).

Average humidity in August
Columbus, IN

Average humidity in August - Columbus, IN
  • Average humidity in August: 79%

The months with the highest relative humidity are January, February, July and December (81%).
The month with the lowest relative humidity is October (74%).

Average rainfall in August
Columbus, IN

Average rainfall in August - Columbus, IN
  • Average rainfall in August: 2.05"

The wettest month (with the highest rainfall) is May (3.5").
The driest month (with the least rainfall) is September (1.73").

Average rainfall days in August
Columbus, IN

Average rainfall days in August - Columbus, IN
  • Average rainfall days in August: 14.6 days

The month with the highest number of rainy days is May (18.3 days).
The months with the least rainy days are January and February (9.4 days).

Average snowfall in August
Columbus, IN

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

The month with the highest snowfall is February (2.17").
The months with the least snowfall are May, June, July, August, September and October (0").

Average snowfall days in August
Columbus, IN

Average snowfall days in August - Columbus, IN
  • Average snowfall days in August: 0 days

The month with the highest number of snowfall days is January (9.6 days).
The months with the least snowfall days are May, June, July, August and September (0 days).

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

Average daylight in August / Average sunshine in August - Columbus, IN
  • Average daylight in August: 13h and 4min

The month with the longest days is June (Average daylight: 14h and 54min).
The month with the shortest days is December (Average daylight: 9h and 30min).

  • Average sunshine in August: 9h and 4min

The month with the most sunshine is July (Average sunshine: 10h and 24min).
The month with the least sunshine is January (Average sunshine: 4h and 6min).

Average sunshine days in August
Columbus, IN

Average sunshine days in August - Columbus, IN
  • Average sunshine days in August: 13.6 days

The month with the most sunshine days is October (17.7 days).
The month with the least sunshine days is May (10.3 days).

Average UV index in August
Columbus, IN

Average UV index in August - Columbus, IN
  • Average UV index in August: 6

The months with the highest UV index are 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, IN

Average cloud cover in August - Columbus, IN
  • Average cloud cover in August: 29

The month with the most cloud cover is January (Cloud cover 58).
The month with the least cloud cover is August (Cloud cover 29).

Average visibility in August
Columbus, IN

Average visibility in August - Columbus, IN
  • Average visibility in August: 6mi

The months with the highest visibility are January, February, March, April, May, June, August, September, October and November (6mi).
The months with the lowest visibility are July and December (5mi).

Columbus, Indiana, USA

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