August weather forecastForbes, ND

August

Weather in August

The last month of the summer, August, is also a moderately hot month in Forbes, North Dakota, with an average temperature varying between 81.9°F (27.7°C) and 59.5°F (15.3°C).

Temperature

Forbes greets August with an average high-temperature of a still warm 81.9°F (27.7°C), marking a slight deviation from the preceding month. Marked by a significant temperature drop from daytime highs, the average nighttime temperature lowers to a refreshing 59.5°F (15.3°C) throughout August.

Heat index

In August, the average heat index is calculated to be 84.2°F (29°C). Continued exposure and engagement in activity might trigger tiredness and subsequently heat cramps.
For clarity, heat index numbers account for light winds and areas under shade. The heat index has the potential to rise by 15 Fahrenheit (8 Celsius) degrees with direct sunshine exposure.
Note: The heat index, also known as 'felt air temperature' or 'feels like', is a metric representing the sensation of warmth when air temperature and moisture come together. This effect tends to be personal, with the weather perception differing among individuals due to variations in body mass, height, and exertion. Given the impact of direct sunlight, it's noteworthy that the felt temperature can rise by 15 Fahrenheit (8 Celsius) degrees. Heat index values are largely significant for babies and toddlers. Kids are usually more vulnerable than adults, given their lesser sweating ability. Along with their larger skin surface relative to their small stature and the excess heat due to their activity, their risk is amplified.

Humidity

The months with the lowest humidity are August and September, with an average relative humidity of 61%.

Rainfall

In Forbes, in August, it is raining for 10 days, with typically 1.38" (35mm) of accumulated precipitation. Throughout the year, in Forbes, there are 92.3 rainfall days, and 15.28" (388mm) of precipitation is accumulated.

Snowfall

June through September are months without snowfall.

Daylight

In Forbes, North Dakota, the average length of the day in August is 14h and 5min.
On the first day of August, sunrise is at 6:18 am and sunset at 9:04 pm. On the last day of the month, sunrise is at 6:55 am and sunset at 8:14 pm CDT.

Sunshine

The average sunshine in August is 10.6h.

UV index

In August, the average daily maximum UV index in Forbes is 5. A UV Index value of 3 to 5 symbolizes a moderate health risk from unsafe exposure to UV radiation for the average person.
Note: A maximum high daily UV index of 5 during August translates into the following directions:
Exercise care. People with light skin might get burns in fewer than 30 minutes. For skin protection, it's recommended to minimize Sun exposure during its peak hours around midday. A wide-brimmed hat is a staple for defending the face, eyes, ears, and neck from the Sun.
Updated: Feb 13, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

In Forbes, 81.9°F (27.7°C) is the average high-temperature and 59.5°F (15.3°C) is the average low-temperature during August. The average heat index (a.k.a. 'feels like', 'apparent temperature'), which combines relative humidity and air temperature, in August is calculated to be 84.2°F (29°C).

The months with the lowest humidity in Forbes are August and September, with an average relative humidity of 61%.

The average relative humidity in August in Forbes, North Dakota, is 61%.

In Forbes, in August, it is raining for 10 days, with typically 1.38" (35mm) of accumulated precipitation.

In Forbes, North Dakota, snow does not fall in June through September.

In August, the average day length is 14h and 5min.

On the first day of August in Forbes, sunrise is at 6:18 am and sunset at 9:04 pm. On the last day of the month, sunrise is at 6:55 am and sunset at 8:14 pm CDT.

In August, the average sunshine duration in Forbes, North Dakota, is 10.6h.

In Forbes, the average daily maximum UV index in August is 5. A UV Index reading of 3 to 5 represents a moderate vulnerability from unprotected exposure to UV radiation.
Average high temperature
Average low temperature
Average pressure
Average wind speed
Average max. wind speed
Average wind speed gusts
Average humidity
Average rainfall
Average rainfall days
Average snowfall
Average snowfall days
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in August
Forbes, ND

  • Average high temperature in August: 81.9°F

The warmest month (with the highest average high temperature) is July (82.9°F).
The month with the lowest average high temperature is January (19.8°F).

  • Average low temperature in August: 59.5°F

The month with the highest average low temperature is July (61.7°F).
The coldest month (with the lowest average low temperature) is January (5.4°F).

Average pressure in August
Forbes, ND

  • Average pressure in August: 29.91"Hg

The month with the highest atmospheric pressure is February (30.17"Hg).
The month with the lowest atmospheric pressure is June (29.85"Hg).

Average wind speed in August
Forbes, ND

  • Average wind speed in August: 8.2mph

The windiest months (with the highest average wind speed) are April and October (10.7mph).
The calmest month (with the lowest average wind speed) is August (8.2mph).

Average humidity in August
Forbes, ND

  • Average humidity in August: 61%

The month with the highest relative humidity is January (89%).
The months with the lowest relative humidity are August and September (61%).

Average rainfall in August
Forbes, ND

  • Average rainfall in August: 1.38"

The wettest month (with the highest rainfall) is June (2.83").
The driest month (with the least rainfall) is January (0.39").

Average rainfall days in August
Forbes, ND

  • Average rainfall days in August: 10 days

The month with the highest number of rainy days is June (14.3 days).
The month with the least rainy days is January (1.7 days).

Average snowfall in August
Forbes, ND

  • Average snowfall in August: 0"

The months with the highest snowfall are January and December (2.76").
The months with the least snowfall are June, July, August and September (0").

Average snowfall days in August
Forbes, ND

  • Average snowfall days in August: 0 days

The month with the highest number of snowfall days is February (11.8 days).
The months with the least snowfall days are June, July, August and September (0 days).

Average daylight in August /
Average sunshine in August
Forbes, ND

  • Average daylight in August: 14h and 6min

The month with the longest days is June (Average daylight: 15h and 42min).
The month with the shortest days is December (Average daylight: 8h and 42min).

  • Average sunshine in August: 10h and 36min

The month with the most sunshine is July (Average sunshine: 11h and 0min).
The month with the least sunshine is January (Average sunshine: 3h and 48min).

Average sunshine days in August
Forbes, ND

  • Average sunshine days in August: 18.6 days

The month with the most sunshine days is November (21.5 days).
The month with the least sunshine days is June (13.8 days).

Average UV index in August
Forbes, ND

  • Average UV index in August: 5

The months with the highest UV index are June and July (UV index 6).
The months with the lowest UV index are January, November and December (UV index 1).

Average cloud cover in August
Forbes, ND

  • Average cloud cover in August: 24

The month with the most cloud cover is January (Cloud cover 59).
The month with the least cloud cover is August (Cloud cover 24).

Average visibility in August
Forbes, ND

  • Average visibility in August: 6mi

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