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
With August's advent, Belle Fourche sees an average high-temperature of a still moderately hot 83.1°F (28.4°C), subtly shifted from July's 85.8°F (29.9°C). Belle Fourche experiences a consistent, yet significant, drop from daily highs to a low-temperature of 61.5°F (16.4°C) throughout August.Heat index
The heat index value for August is appraised at 84.2°F (29°C). Exhaustion might be the outcome of enduring exposure and continuous activity, with a risk of heat cramps.Understanding the heat index involves considering values for shaded locales with light wind. Direct exposure to sunlight could raise the heat index by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'apparent temperature' or 'felt air temperature', is a measure that combines air temperature and relative humidity into a single value that indicates how hot the weather feels. Factors such as metabolic variations, being pregnant, and physical activity can impact an individual's weather perception. Being under direct sunshine can magnify the heat experience, possibly pushing up the heat index by 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
With an average relative humidity of 47%, August is the least humid month in Belle Fourche.Rainfall
In Belle Fourche, South Dakota, during August, the rain falls for 11.7 days and regularly aggregates up to 1.34" (34mm) of precipitation. Throughout the year, in Belle Fourche, there are 100 rainfall days, and 12.83" (326mm) of precipitation is accumulated.Snowfall
In Belle Fourche, snow does not fall in June through August.Daylight
In August, the average length of the day in Belle Fourche, South Dakota, is 13h and 59min.On the first day of August, sunrise is at 5:42 am and sunset at 8:20 pm. On the last day of the month, sunrise is at 6:17 am and sunset at 7:33 pm MDT.
Sunshine
The month with the most sunshine is August, with an average of 11.9h of sunshine.UV index
The months with the highest UV index are June through August, with an average maximum UV index of 6. A UV Index estimate of 6 to 7 represents a high threat to health from unprotected exposure to Sun's UV rays for ordinary individuals.Note: In August, a daily maximum UV index of 6 leads to the following instructions:
Evade overexposure. Individuals with fair skin risk burning in under 20 minutes. Seek shade and limit direct Sun exposure between 10 a.m. and 4 p.m., when UV radiation is at its peak, but be aware that not all shade structures provide complete sun protection. On bright days sunglasses that block both UVA and UVB rays should be worn. A hat with a wide brim is extremely helpful, as it can prevent roughly 50% of UV radiation from reaching the eyes.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
How hot is August in Belle Fourche?
What is the least humid month in Belle Fourche?
What is the average humidity in August in Belle Fourche?
How much does it rain in Belle Fourche in August?
When it does not snow in Belle Fourche?
Does it snow in Belle Fourche in August?
What is the average length of the day in August in Belle Fourche?
When is the sunrise / sunset in August in Belle Fourche?
What month has the most sunshine in Belle Fourche?
How many hours of sunshine does Belle Fourche have in August?
What are the months with the highest UV index in Belle Fourche?
What is the UV index intensity in August in Belle Fourche?
Average temperature in August
Belle Fourche, SD
- Average high temperature in August: 83.1°F
The warmest month (with the highest average high temperature) is July (85.8°F).
The month with the lowest average high temperature is December (30.4°F).
- Average low temperature in August: 61.5°F
The month with the highest average low temperature is July (63°F).
The coldest month (with the lowest average low temperature) is February (17.1°F).
Average pressure in August
Belle Fourche, SD
- Average pressure in August: 29.89"Hg
The month with the highest atmospheric pressure is January (30.14"Hg).
The month with the lowest atmospheric pressure is June (29.84"Hg).
Average wind speed in August
Belle Fourche, SD
- Average wind speed in August: 8.3mph
The windiest months (with the highest average wind speed) are January and October (10.4mph).
The calmest month (with the lowest average wind speed) is August (8.3mph).
Average humidity in August
Belle Fourche, SD
- Average humidity in August: 47%
The month with the highest relative humidity is January (80%).
The month with the lowest relative humidity is August (47%).
Average rainfall in August
Belle Fourche, SD
- Average rainfall in August: 1.34"
The wettest month (with the highest rainfall) is May (2.05").
The driest month (with the least rainfall) is January (0.43").
Average rainfall days in August
Belle Fourche, SD
- Average rainfall days in August: 11.7 days
The month with the highest number of rainy days is May (14.3 days).
The month with the least rainy days is January (2.8 days).
Average snowfall in August
Belle Fourche, SD
- Average snowfall in August: 0"
The month with the highest snowfall is April (4.88").
The months with the least snowfall are June, July and August (0").
Average snowfall days in August
Belle Fourche, SD
- Average snowfall days in August: 0 days
The month with the highest number of snowfall days is February (10.3 days).
The months with the least snowfall days are June, July and August (0 days).
Average daylight in August /
Average sunshine in August
Belle Fourche, SD
- Average daylight in August: 14h and 0min
The month with the longest days is June (Average daylight: 15h and 30min).
The month with the shortest days is December (Average daylight: 8h and 54min).
- Average sunshine in August: 11h and 5min
The month with the most sunshine is August (Average sunshine: 11h and 54min).
The month with the least sunshine is February (Average sunshine: 5h and 30min).
Average sunshine days in August
Belle Fourche, SD
- Average sunshine days in August: 14.8 days
The month with the most sunshine days is November (21.3 days).
The month with the least sunshine days is April (12.6 days).
Average UV index in August
Belle Fourche, SD
- 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 January, February, November and December (UV index 2).
Average cloud cover in August
Belle Fourche, SD
- Average cloud cover in August: 15
The month with the most cloud cover is February (Cloud cover 42).
The month with the least cloud cover is August (Cloud cover 15).
Average visibility in August
Belle Fourche, SD
- Average visibility in August: 6mi
The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
Belle Fourche, South Dakota, USA
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