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 begins with an average high-temperature of a still warm 83.1°F (28.4°C), reflecting close similarity to the preceding month. August witnesses a substantial contrast between the daytime highs and the average low of 61.5°F (16.4°C).Heat index
For most parts of August, the heat index is estimated at 84.2°F (29°C). Ongoing exposure and activity could lead to a state of exhaustion, with a chance of heat cramps.Regarding the heat index, one should be aware it's determined by shaded settings and mild winds. Direct sunlight can cause a surge in the heat index by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'felt air temperature' or 'feels like', arises from combining readings of air temperature and relative moisture content. Additional factors encompassing metabolic differences, the level of physical activity, and clothing can impact the individual's perception of temperature. Exposure to direct sun rays can influence the heat you feel, pushing the heat index up by 15 Fahrenheit (8 Celsius) degrees. Heat index values are especially vital to children. 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
With an average relative humidity of 47%, August is the least humid month in Nisland.Rainfall
In Nisland, South Dakota, in August, during 11.7 rainfall days, 1.34" (34mm) of precipitation is typically accumulated. In Nisland, during the entire year, the rain falls for 100 days and collects up to 12.83" (326mm) of precipitation.Snowfall
June through August are months without snowfall in Nisland.Daylight
In Nisland, South Dakota, the average length of the day in August is 13h and 59min.On the first day of August in Nisland, South Dakota, sunrise is at 5:41 am and sunset at 8:19 pm. On the last day of the month, sunrise is at 6:16 am and sunset at 7:32 pm MDT.
Sunshine
With an average of 11.9h of sunshine, August has the most sunshine of the year.UV index
The months with the highest UV index are June through August, with an average maximum UV index of 6. A UV Index value of 6 to 7 symbolizes a high threat to health from unsafe exposure to UV radiation for ordinary individuals.Note: The UV index of 6 during August translates into the following guidance:
Shun overexposure. Protection from sun ravages is indispensable. Stay in the shade and limit direct Sun exposure from 10 a.m. to 4 p.m., a time when UV radiation is particularly strong. Remember, however, that shade structures may not provide complete protection. Sunglasses that ward off UVA and UVB rays play a pivotal role in reducing solar eye damage.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Is it hot in Nisland during August?
What is the least humid month in Nisland?
What is the average humidity in August in Nisland?
How much does it rain in Nisland in August?
When it does not snow in Nisland?
Does it snow in Nisland in August?
What is the average length of the day in August in Nisland?
When are sunrise and sunset in August in Nisland?
What month has the most sunshine in Nisland?
How many hours of sunshine does Nisland have in August?
What are the months with the highest UV index in Nisland?
What is the UV index reading in August in Nisland?
Average temperature in August
Nisland, 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
Nisland, 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
Nisland, 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
Nisland, 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
Nisland, 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
Nisland, 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
Nisland, 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
Nisland, 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
Nisland, 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
Nisland, 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
Nisland, 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
Nisland, 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
Nisland, 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).
Nisland, South Dakota, USA
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