August weather forecast
Grand Forks, ND

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The grand University of North Dakota located in Grand Forks, North Dakota
The grand University of North Dakota located in Grand Forks, North Dakota

Weather in August

The weather in August remains pleasantly warm in Grand Forks, continuing the trend from July. With falling humidity levels and decreasing rainfall, these conditions make for comfortable outdoor experiences. In terms of unique climatological patterns, August comes out as the month with the least cloud cover at 25%. It also has consistent pressure conditions which create an even-tempered ambient environment. While the temperature remains largely consistent with July, the daylight starts to reduce, hinting at the approaching fall.

Temperature

With an average high-temperature of 80.6°F (27°C) and an average low-temperature of 59.4°F (15.2°C), August is the warmest month.

Heat index

During August, the heat index is evaluated at 82.4°F (28°C). If one stays active during extended exposure, it might induce fatigue and result in heat cramps.
Be aware that heat index ratings are designed for shaded locations and minor breezes. The heat index could experience an increase of 15 Fahrenheit (8 Celsius) degrees due to direct sunlight.
Note: The heat index, also known as 'real feel' or 'feels like', reflects the blend of air temperature and relative humidity to give a temperature impression. Elements such as metabolic variations, pregnancy, and physical exertion can influence one's weather perception. Be mindful that being in direct sunlight might mean feeling hotter, with the heat index rising by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are quite important for children. Young ones regularly neglect the requirement for rest and fluid replenishment. Thirst is a late stage of dehydration - so, it is necessary to keep hydrated, particularly during extended periods of physical exertion.

Humidity

With an average relative humidity of 60%, August is the least humid month.

Rainfall

In Grand Forks, during August, the rain falls for 8 days and regularly aggregates up to 1.02" (26mm) of precipitation. In Grand Forks, during the entire year, the rain falls for 80.3 days and collects up to 10.47" (266mm) of precipitation.

Snowfall

June through September are months without snowfall.

Daylight

In Grand Forks, the average length of the day in August is 14h and 14min.
On the first day of August, sunrise is at 6:05 am and sunset at 9:03 pm. On the last day of the month, sunrise is at 6:46 am and sunset at 8:10 pm CDT.

Sunshine

The average sunshine in August is 10.5h.

UV index

In August, the average daily maximum UV index in Grand Forks is 5. A UV Index value of 3 to 5 symbolizes a moderate threat to health from exposure to the Sun's UV radiation for ordinary individuals.
Note: The daily high UV index of 5 during August translates into the following recommendations:
Be mindful. Individuals with a lighter skin tone may suffer burns in less than 30 minutes. Direct Sun exposure should be minimized especially during midday when radiation is most intense. Shield yourself from the harmful effects of UV radiation with sun-protective attire, a hat, and quality sunglasses.
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Frequently asked questions

What is the hottest time of year in Grand Forks?

Grand Forks's August weather reaches an average high of 80.6°F (27°C) and an average low of 59.4°F (15.2°C), making it the warmest month.

What are the temperatures in Grand Forks in August?

The average high-temperature and low-temperature in Grand Forks, North Dakota, during August are 80.6°F (27°C) and 59.4°F (15.2°C) respectively. The average heat index (a.k.a. 'apparent temperature', 'real feel'), which factors the actual air temperature with the relative humidity, in August is evaluated at 82.4°F (28°C).

What is the least humid month in Grand Forks?

August is the least humid month in Grand Forks, North Dakota, with an average relative humidity of 60%.

What is the average humidity in August in Grand Forks?

The average relative humidity in August is 60%.

How much does it rain in Grand Forks in August?

In Grand Forks, North Dakota, in August, during 8 rainfall days, 1.02" (26mm) of precipitation is typically accumulated.

When it does not snow in Grand Forks?

In Grand Forks, snow does not fall in June through September.

What is the average length of the day in August in Grand Forks?

The average day length in August in Grand Forks is 14h and 14min.

What time are sunrise and sunset in August in Grand Forks?

In August, on the first day of the month, sunrise is at 6:05 am and sunset at 9:03 pm. On the last day of the month, sunrise is at 6:46 am and sunset at 8:10 pm CDT.

How long on average sun shines in August in Grand Forks?

In August, the average sunshine duration is 10.5h.

What is the UV index reading in August in Grand Forks?

The average daily maximum UV index in August in Grand Forks, North Dakota, is 5. A UV Index estimate of 3 to 5 represents a medium hazard to health 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
Grand Forks, ND

Average temperature in August - Grand Forks, ND
  • Average high temperature in August: 80.6°F

The warmest month (with the highest average high temperature) is August (80.6°F).
The month with the lowest average high temperature is January (15.3°F).

  • Average low temperature in August: 59.4°F

The month with the highest average low temperature is July (60.4°F).
The coldest month (with the lowest average low temperature) is January (0.9°F).

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Average pressure in August
Grand Forks, ND

Average pressure in August - Grand Forks, ND
  • Average pressure in August: 29.91"Hg

The month with the highest atmospheric pressure is February (30.16"Hg).
The month with the lowest atmospheric pressure is June (29.86"Hg).

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Average wind speed in August
Grand Forks, ND

Average wind speed in August - Grand Forks, ND
  • Average wind speed in August: 8.2mph

The windiest month (with the highest average wind speed) is October (10.6mph).
The calmest months (with the lowest average wind speed) are July and August (8.2mph).

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Average humidity in August
Grand Forks, ND

Average humidity in August - Grand Forks, ND
  • Average humidity in August: 60%

The months with the highest relative humidity are January and February (91%).
The month with the lowest relative humidity is August (60%).

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Average rainfall in August
Grand Forks, ND

Average rainfall in August - Grand Forks, ND
  • Average rainfall in August: 1.02"

The wettest month (with the highest rainfall) is June (1.89").
The driest month (with the least rainfall) is January (0.24").

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Average rainfall days in August
Grand Forks, ND

Average rainfall days in August - Grand Forks, ND
  • Average rainfall days in August: 8 days

The month with the highest number of rainy days is June (14.1 days).
The month with the least rainy days is January (0.8 days).

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Average snowfall in August
Grand Forks, ND

Average snowfall in August - Grand Forks, ND
  • Average snowfall in August: 0"

The month with the highest snowfall is December (2.8").
The months with the least snowfall are June, July, August and September (0").

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Average snowfall days in August
Grand Forks, ND

Average snowfall days in August - Grand Forks, ND
  • Average snowfall days in August: 0 days

The month with the highest number of snowfall days is December (11.7 days).
The months with the least snowfall days are June, July, August and September (0 days).

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Average daylight in August /
Average sunshine in August
Grand Forks, ND

Average daylight in August / Average sunshine in August - Grand Forks, ND
  • Average daylight in August: 14h and 1min

The month with the longest days is June (Average daylight: 16h and 0min).
The month with the shortest days is December (Average daylight: 8h and 30min).

  • Average sunshine in August: 10h and 3min

The month with the most sunshine is July (Average sunshine: 10h and 48min).
The month with the least sunshine is January (Average sunshine: 2h and 54min).

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Average sunshine days in August
Grand Forks, ND

Average sunshine days in August - Grand Forks, ND
  • Average sunshine days in August: 20.3 days

The month with the most sunshine days is January (21.5 days).
The month with the least sunshine days is June (13.7 days).

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Average UV index in August
Grand Forks, ND

Average UV index in August - Grand Forks, ND
  • Average UV index in August: 5

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

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Average cloud cover in August
Grand Forks, ND

Average cloud cover in August - Grand Forks, ND
  • Average cloud cover in August: 25

The month with the most cloud cover is January (Cloud cover 68).
The month with the least cloud cover is August (Cloud cover 25).

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Average visibility in August
Grand Forks, ND

Average visibility in August - Grand Forks, ND
  • Average visibility in August: 6mi

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

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Grand Forks, North Dakota, USA

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