August weather forecast
Columbus, NJ

Share

Weather in August

The last month of the summer, August, is another warm month in Columbus, New Jersey, with temperature in the range of an average high of 82.9°F (28.3°C) and an average low of 66.4°F (19.1°C).

Temperature

August's arrival shows an average high-temperature of a still warm 82.9°F (28.3°C), hardly different from the previous month. Columbus records an average nighttime low of 66.4°F (19.1°C) in August.

Heat index

August's mean heat index is calculated to be a tropical 89.6°F (32°C). Remaining active during long-lasting exposure could cause fatigue, leading to heat cramps.
Heat index values are typically calculated for conditions of shade and a light breeze. Direct exposure to sunshine could lead to a heat index increase by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'felt air temperature' or 'apparent temperature', is a measure that combines air temperature and relative humidity into a single value that indicates how hot the weather feels. The effect is experienced differently by individuals, hinging on unique characteristics such as body mass, stature, and level of activity. Consider that direct sun exposure can intensify the felt heat, adding potentially 15 Fahrenheit (8 Celsius) degrees to the heat index. Heat index values hold particular importance for children. Kids are usually in more danger than grown-ups as they tend to sweat less. Plus, their bigger skin surface in relation to their small frames and increased heat generation due to their activity level make them more susceptible.

Humidity

In Columbus, the average relative humidity in August is 75%.

Rainfall

In Columbus, in August, it is raining for 12.7 days, with typically 1.38" (35mm) of accumulated precipitation. Throughout the year, there are 117.8 rainfall days, and 11.1" (282mm) of precipitation is accumulated.

Snowfall

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

Daylight

In August, the average length of the day is 13h and 43min.
On the first day of August, sunrise is at 5:57 am and sunset at 8:12 pm. On the last day of the month, sunrise is at 6:26 am and sunset at 7:31 pm EDT.

Sunshine

In Columbus, the average sunshine in August is 10.2h.

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 threat to health from unprotected exposure to Sun's UV rays for average individuals.
Note: In August, a daily UV index of 6 turns into the following recommendations:
Take precautions and utilize sun safety practices. Protection against skin and eye damage is required. UV radiation from the sun is at its strongest between 10 a.m. and 4 p.m. Try to limit direct exposure during these hours. Tightly woven clothing, when worn loosely, shields effectively against the Sun.
Updated: Feb 13, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

How hot is it in Columbus in August?

Columbus in August has an average high-temperature of 82.9°F (28.3°C) and an average low-temperature of 66.4°F (19.1°C). In August, the average heat index (a.k.a. 'apparent temperature', 'feels like'), which combines relative humidity and air temperature, is calculated to be 89.6°F (32°C).

What is the average humidity in August in Columbus?

The average relative humidity in August in Columbus, New Jersey, is 75%.

How many days does it rain in August in Columbus?

In Columbus, in August, it is raining for 12.7 days, with typically 1.38" (35mm) of accumulated precipitation.

When it does not snow in Columbus?

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

How many hours of daylight does Columbus have in August?

The average day length in August in Columbus, New Jersey, is 13h and 43min.

What time are sunrise and sunset in August in Columbus?

On the first day of August in Columbus, New Jersey, sunrise is at 5:57 am and sunset at 8:12 pm. On the last day of the month, sunrise is at 6:26 am and sunset at 7:31 pm EDT.

How long on average sun shines in August in Columbus?

The average sunshine duration in August in Columbus is 10.2h.

What are the months with the highest UV index in Columbus?

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

How high is the UV index in August in Columbus?

In August, the average daily maximum UV index in Columbus, New Jersey, is 6. A UV Index of 6 to 7 symbolizes a high health threat from 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, NJ

Average temperature in August - Columbus, NJ
  • Average high temperature in August: 82.9°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 (37.4°F).

  • Average low temperature in August: 66.4°F

The month with the highest average low temperature is July (67.6°F).
The coldest month (with the lowest average low temperature) is January (25.2°F).

Average pressure in August
Columbus, NJ

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

The month with the highest atmospheric pressure is November (30.11"Hg).
The month with the lowest atmospheric pressure is June (29.93"Hg).

Average wind speed in August
Columbus, NJ

Average wind speed in August - Columbus, NJ
  • Average wind speed in August: 5.5mph

The windiest month (with the highest average wind speed) is March (8.6mph).
The calmest month (with the lowest average wind speed) is August (5.5mph).

Average humidity in August
Columbus, NJ

Average humidity in August - Columbus, NJ
  • Average humidity in August: 75%

The months with the highest relative humidity are February and October (78%).
The month with the lowest relative humidity is April (73%).

Average rainfall in August
Columbus, NJ

Average rainfall in August - Columbus, NJ
  • Average rainfall in August: 1.38"

The wettest month (with the highest rainfall) is July (1.54").
The driest month (with the least rainfall) is September (0.55").

Average rainfall days in August
Columbus, NJ

Average rainfall days in August - Columbus, NJ
  • Average rainfall days in August: 12.7 days

The month with the highest number of rainy days is July (13.7 days).
The month with the least rainy days is January (6.2 days).

Average snowfall in August
Columbus, NJ

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

The month with the highest snowfall is January (0.59").
The months with the least snowfall are June, July, August, September and October (0").

Average snowfall days in August
Columbus, NJ

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

The month with the highest number of snowfall days is January (3.6 days).
The months with the least snowfall days are June, July, August, September and October (0 days).

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

Average daylight in August / Average sunshine in August - Columbus, NJ
  • 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 1min

The month with the most sunshine is July (Average sunshine: 10h and 36min).
The month with the least sunshine is February (Average sunshine: 4h and 48min).

Average sunshine days in August
Columbus, NJ

Average sunshine days in August - Columbus, NJ
  • Average sunshine days in August: 16.1 days

The month with the most sunshine days is December (22.5 days).
The month with the least sunshine days is June (14.3 days).

Average UV index in August
Columbus, NJ

Average UV index in August - Columbus, NJ
  • 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, NJ

Average cloud cover in August - Columbus, NJ
  • Average cloud cover in August: 32

The months with the most cloud cover are February and March (Cloud cover 47).
The months with the least cloud cover are July and August (Cloud cover 32).

Average visibility in August
Columbus, NJ

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

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

Columbus, New Jersey, USA

Weather forecast for your location

1. Click Locate me button
2. Allow the app to use your location