August weather forecastWallace, SD
August
Weather in August
August, the last month of the summer in Wallace, is also a moderately hot month, with temperature in the range of an average high of 80.1°F (26.7°C) and an average low of 58.8°F (14.9°C).Temperature
The average high-temperature during August is a still moderately hot 80.1°F (26.7°C), almost matching the conditions of the preceding month. Nightly temperatures drop to an average low of 58.8°F (14.9°C) in August.Humidity
In August, the average relative humidity is 67%.Rainfall
In Wallace, South Dakota, during August, the rain falls for 12.3 days and regularly aggregates up to 2.01" (51mm) of precipitation. Throughout the year, in Wallace, there are 112.9 rainfall days, and 22.09" (561mm) of precipitation is accumulated.Snowfall
In Wallace, South Dakota, snow does not fall in June through September.Daylight
In August, the average length of the day in Wallace is 14h and 1min.On the first day of the month, sunrise is at 6:16 am and sunset at 8:56 pm. On the last day of August, sunrise is at 6:51 am and sunset at 8:08 pm CDT.
Sunshine
In Wallace, the average sunshine in August is 10.3h.UV index
In August, the average daily maximum UV index in Wallace is 5. A UV Index of 3 to 5 symbolizes a moderate threat to health from exposure to the Sun's UV radiation for ordinary individuals.Note: A maximum daily UV index of 5 during August morphs into the following directions:
Take necessary precautions - Protection from skin and eye injury is mandatory. For health reasons, it's advisable to reduce direct sun exposure during peak hours around midday. Stay sun-safe with clothing that is both closely woven and worn loosely.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in August
Wallace, SD
- Average high temperature in August: 80.1°F
The warmest month (with the highest average high temperature) is July (81°F).
The month with the lowest average high temperature is January (18.9°F).
- Average low temperature in August: 58.8°F
The month with the highest average low temperature is July (61.3°F).
The coldest month (with the lowest average low temperature) is January (5°F).
Average pressure in August
Wallace, SD
- Average pressure in August: 29.92"Hg
The month with the highest atmospheric pressure is February (30.17"Hg).
The month with the lowest atmospheric pressure is June (29.85"Hg).
Average wind speed in August
Wallace, SD
- Average wind speed in August: 8.8mph
The windiest month (with the highest average wind speed) is April (11.7mph).
The calmest month (with the lowest average wind speed) is July (8.7mph).
Average humidity in August
Wallace, SD
- Average humidity in August: 67%
The month with the highest relative humidity is January (91%).
The month with the lowest relative humidity is September (66%).
Average rainfall in August
Wallace, SD
- Average rainfall in August: 2.01"
The wettest month (with the highest rainfall) is July (3.58").
The driest month (with the least rainfall) is November (0.63").
Average rainfall days in August
Wallace, SD
- Average rainfall days in August: 12.3 days
The month with the highest number of rainy days is June (17.9 days).
The month with the least rainy days is February (2.3 days).
Average snowfall in August
Wallace, SD
- Average snowfall in August: 0"
The month with the highest snowfall is December (4.53").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in August
Wallace, SD
- Average snowfall days in August: 0 days
The month with the highest number of snowfall days is January (15.1 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in August /
Average sunshine in August
Wallace, SD
- Average daylight in August: 14h and 0min
The month with the longest days is June (Average daylight: 15h and 36min).
The month with the shortest days is December (Average daylight: 8h and 48min).
- Average sunshine in August: 10h and 18min
The month with the most sunshine is July (Average sunshine: 10h and 42min).
The month with the least sunshine is January (Average sunshine: 3h and 12min).
Average sunshine days in August
Wallace, SD
- Average sunshine days in August: 16.5 days
The month with the most sunshine days is November (19.5 days).
The month with the least sunshine days is June (10.4 days).
Average UV index in August
Wallace, SD
- Average UV index in August: 5
The months with the highest UV index are June and July (UV index 6).
The months with the lowest UV index are January, November and December (UV index 1).
Average cloud cover in August
Wallace, SD
- Average cloud cover in August: 27
The month with the most cloud cover is January (Cloud cover 66).
The months with the least cloud cover are July and August (Cloud cover 27).
Average visibility in August
Wallace, SD
- 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).
