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 arrival shows an average high-temperature of a still moderately hot 81.1°F (27.3°C), hardly different from the previous month. Nightly temperatures in Hecla drop to an average low of 59.7°F (15.4°C) in August.Heat index
The heat index value for August is calculated to be 84.2°F (29°C). Remaining active during long-lasting exposure could cause fatigue, leading to heat cramps.One should be cognizant that the heat index values are tailored for shaded spots and mild winds. When exposed to the direct sun, the heat index may augment by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'real feel' or 'feels like', is an indicator that blends the effects of temperature and humidity to depict perceived warmth. Additional elements encompassing metabolic differences, the degree of physical activity, and attire can impact the individual's perception of temperature. When in direct sunlight, one should be cautious as it can raise the heat index by as much as 15 Fahrenheit (8 Celsius) degrees. Heat index values are particularly relevant to children. Children often overlook the need for breaks and fluid intake. Thirst is a late-stage sign of dehydration - hence, it is necessary to stay hydrated, especially during extended periods of physical activities.
Humidity
The months with the lowest humidity in Hecla are August and September, with an average relative humidity of 62%.Rainfall
In August, in Hecla, the rain falls for 12 days. Throughout August, 1.77" (45mm) of precipitation is accumulated. In Hecla, during the entire year, the rain falls for 109.5 days and collects up to 20.39" (518mm) of precipitation.Snowfall
June through September are months without snowfall in Hecla.Daylight
In August, the average length of the day is 14h and 5min.On the first day of the month, sunrise is at 6:16 am and sunset at 9:01 pm. On the last day of August, in Hecla, sunrise is at 6:53 am and sunset at 8:12 pm CDT.
Sunshine
In Hecla, the average sunshine in August is 10.7h.UV index
The average daily maximum UV index in August in Hecla is 5. A UV Index estimate of 3 to 5 represents a medium health hazard from exposure to the Sun's UV radiation for ordinary individuals.Note: The average daily UV index of 5 in August transforms into the following instructions:
Preventative actions are necessary - Suggestions to safeguard against sun damage are in order. Midday is the peak time for the Sun's radiation; stay in the shade and protect yourself. In bright sunlight, prioritize sunglasses that grant protection from UVA and UVB radiation.
Frequently asked questions
What is the temperature in August in Hecla?
What are the least humid months in Hecla?
What is the average humidity in August in Hecla?
How many days does it rain in August in Hecla?
When it does not snow in Hecla?
What is the average length of the day in August in Hecla?
What time are sunrise and sunset in August in Hecla?
How long on average sun shines in August in Hecla?
What is the UV index intensity in August in Hecla?
Average temperature in August
Hecla, SD
- Average high temperature in August: 81.1°F
The warmest month (with the highest average high temperature) is July (82°F).
The month with the lowest average high temperature is January (19°F).
- Average low temperature in August: 59.7°F
The month with the highest average low temperature is July (61.9°F).
The coldest month (with the lowest average low temperature) is January (5.4°F).
Average pressure in August
Hecla, SD
- Average pressure in August: 29.91"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
Hecla, SD
- Average wind speed in August: 8.2mph
The windiest month (with the highest average wind speed) is October (10.8mph).
The calmest month (with the lowest average wind speed) is July (8.1mph).
Average humidity in August
Hecla, SD
- Average humidity in August: 62%
The month with the highest relative humidity is January (90%).
The months with the lowest relative humidity are August and September (62%).
Average rainfall in August
Hecla, SD
- Average rainfall in August: 1.77"
The wettest month (with the highest rainfall) is June (3.62").
The driest month (with the least rainfall) is January (0.63").
Average rainfall days in August
Hecla, SD
- Average rainfall days in August: 12 days
The month with the highest number of rainy days is June (16.8 days).
The month with the least rainy days is February (2.4 days).
Average snowfall in August
Hecla, SD
- Average snowfall in August: 0"
The month with the highest snowfall is December (4.61").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in August
Hecla, SD
- Average snowfall days in August: 0 days
The month with the highest number of snowfall days is January (15.3 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in August /
Average sunshine in August
Hecla, SD
- Average daylight in August: 14h and 1min
The month with the longest days is June (Average daylight: 15h and 42min).
The month with the shortest days is December (Average daylight: 8h and 42min).
- Average sunshine in August: 10h and 4min
The month with the most sunshine is July (Average sunshine: 11h and 0min).
The month with the least sunshine is January (Average sunshine: 3h and 42min).
Average sunshine days in August
Hecla, SD
- Average sunshine days in August: 15.4 days
The month with the most sunshine days is November (19.8 days).
The month with the least sunshine days is June (10.3 days).
Average UV index in August
Hecla, 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 and November (UV index 1).
Average cloud cover in August
Hecla, SD
- Average cloud cover in August: 23
The month with the most cloud cover is January (Cloud cover 60).
The month with the least cloud cover is August (Cloud cover 23).
Average visibility in August
Hecla, SD
- Average visibility in August: 6mi
The months with the highest visibility are April, May, June, July, August, September, October, November and December (6mi).
The months with the lowest visibility are January, February and March (5mi).
Hecla, South Dakota, USA
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