August weather forecast
Grassy Butte, ND

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Weather in August

August, the last month of the summer in Grassy Butte, is another warm month, with an average temperature varying between 60.4°F (15.8°C) and 81.9°F (27.7°C).

Temperature

Grassy Butte's weather, upon August's arrival, documents an average high-temperature of a still moderately hot 81.9°F (27.7°C), nearly identical to the prior month. During August nights, Grassy Butte witnesses a consistent average temperature of 60.4°F (15.8°C).

Heat index

Throughout August, the heat index is estimated at 82.4°F (28°C). Long-lasting exposure and activity potentially induce a sense of weariness, with the risk of heat cramps.
When assessing, remember that heat index measurements are for light winds and shaded spots. Heat index values might soar by up to 15 Fahrenheit (8 Celsius) degrees with exposure to direct sunshine.
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. The experience of temperature can be subjective, varying based on the individual's activity and heat perception, influenced by factors like wind, attire, and metabolic variations. In direct sunlight, the heat's impact can be heightened, potentially leading to an increase in the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values are highly critical for babies and toddlers. 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

The least humid month in Grassy Butte is August, with an average relative humidity of 49%.

Rainfall

In August, in Grassy Butte, the rain falls for 10.2 days. Throughout August, 1.26" (32mm) of precipitation is accumulated. In Grassy Butte, during the entire year, the rain falls for 91.6 days and collects up to 12.64" (321mm) of precipitation.

Snowfall

June through September are months without snowfall in Grassy Butte.

Daylight

In August, the average length of the day in Grassy Butte is 14h and 11min.
On the first day of August, sunrise is at 5:32 am and sunset at 8:26 pm. On the last day of the month, sunrise is at 6:11 am and sunset at 7:34 pm MDT.

Sunshine

In August, the average sunshine in Grassy Butte, North Dakota, is 10.9h.

UV index

The months with the highest UV index in Grassy Butte are June through August, with an average maximum UV index of 6. A UV Index value of 6 to 7 symbolizes a high health risk from unprotected exposure to Sun's UV rays for average individuals.
Note: In August, a daily maximum UV index of 6 leads to the following instructions:
Avoid overexposure. Fair-skinned individuals can burn in under 20 minutes. Avoid direct Sun exposure from 10 a.m. to 4 p.m., a period when UV radiation is most intense, and remember that not all shade structures provide full protection. Select sunglasses that boast both UVA and UVB protection to limit the adverse effects of the sun on the eyes.
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Frequently asked questions

What is the average August temperature in Grassy Butte?

August temperatures in Grassy Butte, North Dakota, vary between a high-temperature of 81.9°F (27.7°C) and a low-temperature of 60.4°F (15.8°C). In August, the average heat index (a.k.a. 'real feel', 'apparent temperature'), which takes the relative humidity and factors it into the air temperature reading, is estimated at 82.4°F (28°C).

What is the least humid month in Grassy Butte?

The least humid month is August, with an average relative humidity of 49%.

What is the average humidity in August in Grassy Butte?

The average relative humidity in August in Grassy Butte is 49%.

How much does it rain in Grassy Butte in August?

In Grassy Butte, in August, during 10.2 rainfall days, 1.26" (32mm) of precipitation is typically accumulated.

When it does not snow in Grassy Butte?

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

How many hours of daylight does Grassy Butte have in August?

In Grassy Butte, North Dakota, the average day length in August is 14h and 11min.

When are sunrise and sunset in August in Grassy Butte?

On the first day of August in Grassy Butte, sunrise is at 5:32 am and sunset at 8:26 pm. On the last day of the month, sunrise is at 6:11 am and sunset at 7:34 pm MDT.

How many hours of sunshine does Grassy Butte have in August?

In August, the average sunshine duration is 10.9h.

What are the months with the highest UV index in Grassy Butte?

The months with the highest UV index in Grassy Butte, North Dakota, are June through August, with an average maximum UV index of 6.

What is the UV index intensity in August in Grassy Butte?

In Grassy Butte, the average daily maximum UV index in August is 6. A UV Index of 6 to 7 symbolizes a high health risk 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
Grassy Butte, ND

Average temperature in August - Grassy Butte, ND
  • Average high temperature in August: 81.9°F

The warmest month (with the highest average high temperature) is July (83.1°F).
The month with the lowest average high temperature is January (21.4°F).

  • Average low temperature in August: 60.4°F

The month with the highest average low temperature is July (61°F).
The coldest month (with the lowest average low temperature) is January (7.3°F).

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Average pressure in August
Grassy Butte, ND

Average pressure in August - Grassy Butte, 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 (29.84"Hg).

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Average wind speed in August
Grassy Butte, ND

Average wind speed in August - Grassy Butte, ND
  • Average wind speed in August: 8.9mph

The windiest month (with the highest average wind speed) is April (11mph).
The calmest month (with the lowest average wind speed) is August (8.9mph).

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Average humidity in August
Grassy Butte, ND

Average humidity in August - Grassy Butte, ND
  • Average humidity in August: 49%

The month with the highest relative humidity is January (89%).
The month with the lowest relative humidity is August (49%).

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Average rainfall in August
Grassy Butte, ND

Average rainfall in August - Grassy Butte, ND
  • Average rainfall in August: 1.26"

The wettest month (with the highest rainfall) is June (1.85").
The driest months (with the least rainfall) are January and February (0.43").

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Average rainfall days in August
Grassy Butte, ND

Average rainfall days in August - Grassy Butte, ND
  • Average rainfall days in August: 10.2 days

The month with the highest number of rainy days is June (12.6 days).
The month with the least rainy days is February (2.9 days).

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Average snowfall in August
Grassy Butte, ND

Average snowfall in August - Grassy Butte, ND
  • Average snowfall in August: 0"

The month with the highest snowfall is December (3.07").
The months with the least snowfall are June, July, August and September (0").

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Average snowfall days in August
Grassy Butte, ND

Average snowfall days in August - Grassy Butte, ND
  • Average snowfall days in August: 0 days

The months with the highest number of snowfall days are January and December (11.2 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
Grassy Butte, ND

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

The month with the longest days is June (Average daylight: 15h and 54min).
The month with the shortest days is December (Average daylight: 8h and 30min).

  • Average sunshine in August: 10h and 5min

The month with the most sunshine is July (Average sunshine: 11h and 36min).
The months with the least sunshine are January and December (Average sunshine: 4h and 0min).

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Average sunshine days in August
Grassy Butte, ND

Average sunshine days in August - Grassy Butte, ND
  • Average sunshine days in August: 18.3 days

The month with the most sunshine days is September (20.5 days).
The month with the least sunshine days is April (14.9 days).

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Average UV index in August
Grassy Butte, ND

Average UV index in August - Grassy Butte, ND
  • Average UV index in August: 6

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

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Average cloud cover in August
Grassy Butte, ND

Average cloud cover in August - Grassy Butte, ND
  • Average cloud cover in August: 19

The month with the most cloud cover is February (Cloud cover 61).
The months with the least cloud cover are July and August (Cloud cover 19).

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Average visibility in August
Grassy Butte, ND

Average visibility in August - Grassy Butte, ND
  • Average visibility in August: 6mi

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

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Grassy Butte, North Dakota, USA

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