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 arrival of August brings an average high-temperature of a still warm 82.8°F (28.2°C), subtly diverging from July's 83.3°F (28.5°C). In Columbus, August nights cool down to an average of 63.3°F (17.4°C).

Heat index

August's average heat index is evaluated at a tropical 89.6°F (32°C). Remaining active during long-lasting exposure could cause fatigue, leading to heat cramps.
Realize that the values for the heat index are set for shaded places and light winds. Direct exposure to sunshine could lead to a heat index increase by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'real feel' or 'apparent temperature', shows a temperature sensation when both heat and moisture conditions are combined. An individual's temperature experience can be influenced by extra factors, including metabolic differences, activity levels, and clothing. With the sun shining directly, it's crucial to understand that it can increase the heat index by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are particularly meaningful for babies and toddlers. Children often miss understanding the importance of rest and rehydration. Thirst usually appears late during dehydration - therefore, maintaining hydration, particularly during long physical activities, is essential.

Humidity

In August, the average relative humidity is 79%.

Rainfall

In Columbus, in August, during 14.6 rainfall days, 2.05" (52mm) of precipitation is typically accumulated. In Columbus, during the entire year, the rain falls for 163.5 days and collects up to 29.29" (744mm) of precipitation.

Snowfall

May through October are months without snowfall.

Daylight

In August, the average length of the day is 13h and 40min.
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.

Sunshine

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

UV index

The months with the highest UV index in Columbus are June through August, with an average maximum UV index of 6. A UV Index reading of 6 to 7 represents a high threat to health from exposure to the Sun's UV rays for ordinary individuals.
Note: The average daily UV index of 6 in August transforms into the following instructions:
Evade overexposure. Individuals with fair skin risk burning in under 20 minutes. The hours from 10 a.m. to 4 p.m. have the most intense UV radiation. As much as possible, limit direct sun exposure during this period. To cut down UV radiation exposure by about half, sport a wide-brim hat.
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Frequently asked questions

How hot does it get in Columbus in August?

In August, the average high-temperature and low-temperature in Columbus, Indiana, are 82.8°F (28.2°C) and 63.3°F (17.4°C) respectively. In August, the average heat index (a.k.a. 'felt air temperature', 'feels like'), which calculates the temperature value influenced by the moisture in the air, is evaluated at 89.6°F (32°C).

What is the average humidity in August in Columbus?

In August, the average relative humidity in Columbus, Indiana, is 79%.

How many days does it rain in August in Columbus?

In Columbus, in August, it is raining for 14.6 days, with typically 2.05" (52mm) of accumulated precipitation.

When it does not snow in Columbus?

May through October are months without snowfall in Columbus, Indiana.

How many hours of daylight does Columbus have in August?

In Columbus, Indiana, the average day length in August is 13h and 40min.

When are sunrise and sunset in August in Columbus?

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

How long on average sun shines in August in Columbus?

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

What is the month with the highest UV index in Columbus?

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

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 vulnerability 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, 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).

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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).

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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).

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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%).

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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").

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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).

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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").

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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).

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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).

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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).

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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).

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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).

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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).

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Columbus, Indiana, USA

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