August weather forecast
Grenora, ND

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Weather in August

The last month of the summer, August, is another warm month in Grenora, North Dakota, with an average temperature varying between 60.6°F (15.9°C) and 81.3°F (27.4°C).

Temperature

The transition into August shows a subtle variation to a still moderately hot 81.3°F (27.4°C) from July's 82°F (27.8°C) in the average high-temperature. In August, Grenora's temperature tends to fall to an average low of 60.6°F (15.9°C) during the night.

Heat index

Throughout August, the heat index is estimated at 82.4°F (28°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. Direct sunlight can cause a surge in the heat index by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'apparent temperature' or 'real feel', gives an indication of how one might feel in terms of heat after considering humidity. A person's impression of weather can be shaped by many aspects, among them metabolic variations, pregnancy, and levels of physical activity. Given direct exposure to sunlight, one might experience a rise in the heat index by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are especially crucial for babies and toddlers. Young individuals usually face greater risks than adults as their sweat production is less. Also, their larger skin surface relative to their small bodies and the high heat generation due to their activity contributes to their vulnerability.

Humidity

August is the least humid month, with an average relative humidity of 46%.

Rainfall

In Grenora, in August, during 9 rainfall days, 0.87" (22mm) of precipitation is typically accumulated. In Grenora, North Dakota, during the entire year, the rain falls for 93.3 days and collects up to 12.01" (305mm) of precipitation.

Snowfall

In Grenora, snow does not fall in June through September.

Daylight

In August, the average length of the day is 14h and 17min.
On the first day of August, sunrise is at 6:31 am and sunset at 9:32 pm. On the last day of the month, sunrise is at 7:12 am and sunset at 8:38 pm CDT.

Sunshine

The average sunshine in August in Grenora is 11.5h.

UV index

The average daily maximum UV index in August is 5. A UV Index of 3 to 5 symbolizes a moderate threat to health from exposure to the Sun's UV rays for ordinary individuals.
Note: A daily maximum UV index of 5 in August translates into the following instructions:
Take necessary precautions - Suggestions to elude sunburn are provided. When the Sun's UV radiation is most intense during midday, it's best to find shade and limit exposure. For optimum UV protection, wear sun-resistant attire complemented with a hat and quality shades.
Updated: Jul 31, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What is the usual temperature for Grenora in August?

In Grenora, 81.3°F (27.4°C) is the average high-temperature and 60.6°F (15.9°C) is the average low-temperature during August. The average heat index (a.k.a. 'feels like', 'felt air temperature'), which takes the relative humidity and factors it into the air temperature reading, in August is estimated at 82.4°F (28°C).

What is the least humid month?

With an average relative humidity of 46%, August is the least humid month.

What is the average humidity in August?

The average relative humidity in August in Grenora is 46%.

How many days does it rain in August?

In Grenora, North Dakota, in August, during 9 rainfall days, 0.87" (22mm) of precipitation is typically accumulated.

When it does not snow?

June through September are months without snowfall.

What is the average length of the day in August?

The average day length in August is 14h and 17min.

When is the sunrise / sunset in August?

In August, on the first day of the month, sunrise is at 6:31 am and sunset at 9:32 pm. On the last day of the month, in Grenora, sunrise is at 7:12 am and sunset at 8:38 pm CDT.

How long on average sun shines in August?

In August, the average sunshine duration is 11.5h.

How high is the UV index in August?

The average daily maximum UV index in August is 5. A UV Index estimate of 3 to 5 represents a moderate health threat 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
Grenora, ND

Average temperature in August - Grenora, ND
  • Average high temperature in August: 81.3°F

The warmest month (with the highest average high temperature) is July (82°F).
The month with the lowest average high temperature is February (19.8°F).

  • Average low temperature in August: 60.6°F

The month with the highest average low temperature is July (61°F).
The coldest month (with the lowest average low temperature) is February (6.3°F).

Average pressure in August
Grenora, ND

Average pressure in August - Grenora, ND
  • Average pressure in August: 29.89"Hg

The month with the highest atmospheric pressure is February (30.17"Hg).
The month with the lowest atmospheric pressure is June (29.83"Hg).

Average wind speed in August
Grenora, ND

Average wind speed in August - Grenora, ND
  • Average wind speed in August: 9.3mph

The windiest month (with the highest average wind speed) is April (11.1mph).
The calmest month (with the lowest average wind speed) is February (9.2mph).

Average humidity in August
Grenora, ND

Average humidity in August - Grenora, ND
  • Average humidity in August: 46%

The months with the highest relative humidity are January and February (88%).
The month with the lowest relative humidity is August (46%).

Average rainfall in August
Grenora, ND

Average rainfall in August - Grenora, ND
  • Average rainfall in August: 0.87"

The wettest month (with the highest rainfall) is June (2.17").
The driest month (with the least rainfall) is February (0.47").

Average rainfall days in August
Grenora, ND

Average rainfall days in August - Grenora, ND
  • Average rainfall days in August: 9 days

The month with the highest number of rainy days is June (13.9 days).
The month with the least rainy days is February (2.6 days).

Average snowfall in August
Grenora, ND

Average snowfall in August - Grenora, ND
  • Average snowfall in August: 0"

The month with the highest snowfall is November (3.74").
The months with the least snowfall are June, July, August and September (0").

Average snowfall days in August
Grenora, ND

Average snowfall days in August - Grenora, ND
  • Average snowfall days in August: 0 days

The month with the highest number of snowfall days is February (13.5 days).
The months with the least snowfall days are June, July, August and September (0 days).

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

Average daylight in August / Average sunshine in August - Grenora, ND
  • Average daylight in August: 14h and 2min

The month with the longest days is June (Average daylight: 16h and 6min).
The month with the shortest days is December (Average daylight: 8h and 24min).

  • Average sunshine in August: 11h and 3min

The month with the most sunshine is July (Average sunshine: 11h and 42min).
The month with the least sunshine is February (Average sunshine: 3h and 54min).

Average sunshine days in August
Grenora, ND

Average sunshine days in August - Grenora, ND
  • Average sunshine days in August: 20.1 days

The month with the most sunshine days is August (20.1 days).
The months with the least sunshine days are February and June (13.8 days).

Average UV index in August
Grenora, ND

Average UV index in August - Grenora, ND
  • Average UV index in August: 5

The month with the highest UV index is July (UV index 6).
The month with the lowest UV index is February (UV index 1).

Average cloud cover in August
Grenora, ND

Average cloud cover in August - Grenora, ND
  • Average cloud cover in August: 19

The month with the most cloud cover is February (Cloud cover 60).
The months with the least cloud cover are July and August (Cloud cover 19).

Average visibility in August
Grenora, ND

Average visibility in August - Grenora, 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).

Grenora, North Dakota, USA

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