Contents
- Weather in August
- Frequently asked questions
- Average temperature in August
- Average pressure in August
- Average wind speed in August
- Average humidity in August
- Average rainfall in August
- Average rainfall days in August
- Average snowfall in August
- Average snowfall days in August
- Average daylight in August
- Average sunshine in August
- Average sunshine days in August
- Average UV index in August
- Average cloud cover in August
- Average visibility in August
Weather in August
Temperature
August's weather displays an average high-temperature of a still moderately hot 81.9°F (27.7°C), slightly varied from July's 83.1°F (28.4°C). Nighttime temperatures consistently average a mild 60.4°F (15.8°C) during August.Heat index
In August, the heat index is estimated at 82.4°F (28°C). Continued exposure and engagement in activity might trigger tiredness and subsequently heat cramps.Consider that heat index readings are for situations in the shade and light wind. Exposure to direct sunshine can increase heat index values by up to 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'feels like' or 'real feel', combines both the air temperature and the humidity level to give a perceived human temperature. Elements such as metabolic variations, being pregnant, and physical activity can impact one's weather perception. With direct sunlight, be aware that it might enhance the heat sensation, raising the heat index by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are extremely significant for children. Young ones often disregard the necessity to rest and hydrate. Thirst usually indicates advanced dehydration - hence, it is key to stay hydrated, particularly during ongoing physical activities.
Humidity
August is the least humid month, with an average relative humidity of 49%.Rainfall
In Grassy Butte, in August, during 10.2 rainfall days, 1.26" (32mm) of precipitation is typically accumulated. Throughout the year, there are 91.6 rainfall days, and 12.64" (321mm) of precipitation is accumulated.Snowfall
June through September are months without snowfall in Grassy Butte.Daylight
The average length of the day in August 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 is 10.9h.UV index
June through August, with an average maximum UV index of 6, are months with the highest UV index in Grassy Butte. A UV Index of 6 to 7 symbolizes a high health vulnerability from unsafe exposure to UV radiation for average individuals.Note: During August, 6 as the daily maximum UV index converts into the following advice:
Uphold preventive measures and conform to sun safety guidelines. Defending against skin and eye harm is crucial. During the period from 10 a.m. to 4 p.m., UV radiation is highest. Try to avoid direct sunlight during these hours. To cut down UV radiation exposure by about half, sport a wide-brim hat.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the temperature in August?
What is the least humid month?
What is the average humidity in August in Grassy Butte?
How many days does it rain in August?
When it does not snow?
What is the average length of the day in August in Grassy Butte?
What time are sunrise and sunset in August?
How many hours of sunshine does Grassy Butte have in August?
What are the months with the highest UV index?
What is the UV index reading in August?
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).
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).
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).
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%).
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").
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).
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").
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).
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).
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).
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).
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).
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).
Grassy Butte, North Dakota, USA
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