August weather forecastSinai, SD
August
Weather in August
August, the last month of the summer in Sinai, is also a moderately hot month, with an average temperature ranging between max 80.2°F (26.8°C) and min 59.2°F (15.1°C).Temperature
August notes an average high-temperature of a still warm 80.2°F (26.8°C), subtly differing from July's 81.3°F (27.4°C). Throughout the nights in August, an average low-temperature of 59.2°F (15.1°C) is noted.Humidity
In Sinai, the average relative humidity in August is 72%.Rainfall
In August, in Sinai, the rain falls for 14.3 days. Throughout August, 2.24" (57mm) of precipitation is accumulated. Throughout the year, there are 125.5 rainfall days, and 21.65" (550mm) of precipitation is accumulated.Snowfall
June through September are months without snowfall in Sinai, South Dakota.Daylight
In August, the average length of the day is 13h and 58min.On the first day of August, sunrise is at 6:16 am and sunset at 8:52 pm. On the last day of the month, sunrise is at 6:50 am and sunset at 8:05 pm CDT.
Sunshine
In August, the average sunshine is 10.2h.UV index
The average daily maximum UV index in August is 5. A UV Index of 3 to 5 symbolizes a moderate threat to health from exposure to the Sun's UV rays for ordinary individuals.Note: The maximum daily UV index, 5 in August, converts into the following recommendations:
Act with care - The suggestion to avoid sunburn is emphasized. Protect yourself from the midday Sun's peak UV radiation by minimizing exposure. In the presence of strong sunlight, it's crucial to wear sunglasses that ward off UVA and UVB rays.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in August
Sinai, SD
- Average high temperature in August: 80.2°F
The warmest month (with the highest average high temperature) is July (81.3°F).
The month with the lowest average high temperature is January (20.7°F).
- Average low temperature in August: 59.2°F
The month with the highest average low temperature is July (62.2°F).
The coldest month (with the lowest average low temperature) is January (7°F).
Average pressure in August
Sinai, SD
- Average pressure in August: 29.93"Hg
The months with the highest atmospheric pressure are January and February (30.16"Hg).
The month with the lowest atmospheric pressure is June (29.86"Hg).
Average wind speed in August
Sinai, SD
- Average wind speed in August: 8.5mph
The windiest month (with the highest average wind speed) is April (11.5mph).
The calmest month (with the lowest average wind speed) is July (8.4mph).
Average humidity in August
Sinai, SD
- Average humidity in August: 72%
The month with the highest relative humidity is January (90%).
The month with the lowest relative humidity is October (68%).
Average rainfall in August
Sinai, SD
- Average rainfall in August: 2.24"
The wettest month (with the highest rainfall) is June (3.46").
The driest month (with the least rainfall) is November (0.67").
Average rainfall days in August
Sinai, SD
- Average rainfall days in August: 14.3 days
The month with the highest number of rainy days is June (19.8 days).
The month with the least rainy days is January (3.2 days).
Average snowfall in August
Sinai, SD
- Average snowfall in August: 0"
The month with the highest snowfall is February (4.69").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in August
Sinai, SD
- Average snowfall days in August: 0 days
The month with the highest number of snowfall days is January (14.4 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in August /
Average sunshine in August
Sinai, 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: 10h and 12min
The month with the most sunshine is July (Average sunshine: 10h and 36min).
The month with the least sunshine is January (Average sunshine: 3h and 48min).
Average sunshine days in August
Sinai, SD
- Average sunshine days in August: 14.5 days
The month with the most sunshine days is November (18.9 days).
The month with the least sunshine days is June (8.3 days).
Average UV index in August
Sinai, SD
- Average UV index in August: 5
The months with the highest UV index are June and July (UV index 6).
The month with the lowest UV index is January (UV index 1).
Average cloud cover in August
Sinai, SD
- Average cloud cover in August: 28
The month with the most cloud cover is January (Cloud cover 59).
The months with the least cloud cover are July and August (Cloud cover 28).
Average visibility in August
Sinai, SD
- Average visibility in August: 6mi
The months with the highest visibility are February, March, April, May, June, July, August, September, October, November and December (6mi).
The month with the lowest visibility is January (5mi).
