August weather forecast and climate
Grand Forks, ND

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 last month of the summer, August, is also a moderately hot month in Grand Forks, North Dakota, with average temperature ranging between max 80.6°F (27°C) and min 59.4°F (15.2°C).

Temperature

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

Heat index

In August, the average heat index is estimated at 82.6°F (28.1°C). Exhaustion is likely with prolonged exposure and activity. Sustaining activity may result in heat cramps.
Note that heat index values are valued for light wind and location in the shade. With the exposure to direct sunlight, the heat index may be increased by up to 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'feels like', 'felt air temperature', 'real feel', or 'apparent temperature', is calculated by taking the relative humidity value for a specific location and factoring it into the air temperature reading. Additional factors like wind, metabolic differences, pregnancy, and activity influence one's weather impression. Be aware that direct exposure to sunlight increases heat impact, and may raise the heat index additionally, by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are particularly important for children. Young children are generally more endangered than adults, as they usually less sweat. And also, due to larger skin surface relative to their small bodies and higher heat production as a result of their activity.

Humidity

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

Rainfall

In Grand Forks, in August, it is raining for 8 days, with typically 1.02" (26mm) of accumulated precipitation. Throughout the year, there are 80.3 rainfall days, and 10.47" (266mm) of precipitation is accumulated.

Snowfall

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

Daylight

In Grand Forks, the average length of the day in August is 14.2h.

Sunshine

In August, the average sunshine in Grand Forks is 10.5h.

UV index

In August, the average daily maximum UV index is 5. A UV Index value of 3 to 5 symbolizes a moderate threat to health from unsafe exposure to the UV radiation for the average person.
Note: In August, the average maximum UV index of 5 translate into the following recommendations:
Take precautions - Protection against the skin and eye damage is obliged. The solar radiation is most powerful near the mid-day, so the exposure to the direct Sun should be reduced accordingly. A wide-brim hat offers excellent sun protection for eyes, ears, face, and neck. Sunglasses with UVA and UVB protection significantly reduce eye damage from sun exposure. Tightly woven, loose-fitting clothes provide additional protection from the Sun.
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FAQ

What is the warmest month in Grand Forks?

August is the warmest month in Grand Forks, North Dakota, with an average high-temperature of 80.6°F (27°C) and an average low-temperature of 59.4°F (15.2°C).

What is the temperature in August in Grand Forks?

The average high-temperature, in August, in Grand Forks, is 80.6°F (27°C), while the average low-temperature is 59.4°F (15.2°C). The average heat index (a.k.a. 'real feel', 'feels like'), that takes the relative humidity and factores it into the air temperature reading, in August is calculated to 82.6°F (28.1°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?

In Grand Forks, North Dakota, the average relative humidity in August is 60%.

How many days does it rain in August in Grand Forks?

In Grand Forks, North Dakota, in August, it is raining for 8 days, with typically 1.02" (26mm) of accumulated precipitation.

When it does not snow in Grand Forks?

June through September are months without snowfall.

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

The average length of the day in August in Grand Forks is 14.2h.

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

In Grand Forks, the average sunshine in August is 10.5h.

How high is the UV index in August in Grand Forks?

In Grand Forks, the average daily maximum UV index in August is 5. A UV Index reading of 3 to 5 represents a medium hazard to health from unprotected exposure to the UV radiation.

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"

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

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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%

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").
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).
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: 14.2h

The month with the longest days is June (Average daylight: 16h).
The month with the shortest days is December (Average daylight: 8.5h).

  • Average sunshine in August: 10.5h

The month with the most sunshine is July (Average sunshine: 10.8h).
The month with the least sunshine is January (Average sunshine: 2.9h).

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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).
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

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

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