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
Amherst's weather in August indicates an average high-temperature of a still warm 81.1°F (27.3°C), nearly consistent with the 82°F (27.8°C) of July. During the nights in August, Amherst experiences a consistent average temperature of 59.7°F (15.4°C).Heat index
The heat index for August is appraised at 84.2°F (29°C). If one sustains activity during exposure, it could lead to a sense of fatigue, with a chance of heat cramps.Regarding the heat index, one should be aware it's determined by shaded settings and mild winds. An exposure to direct sunlight may lift the heat index values by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'feels like' or 'real feel', is an indicator that blends the effects of temperature and humidity to depict perceived warmth. The individual's experience of temperature can be shaped by numerous aspects such as metabolic variations, physical exertion, and attire. Consider that direct sun exposure can intensify the felt heat, adding potentially 15 Fahrenheit (8 Celsius) degrees to the heat index. Heat index values are extremely significant for children. In general, children are more at risk than adults because they sweat less. Furthermore, the large skin surface compared to their small bodies and the high heat production due to their actions contribute to this vulnerability.
Humidity
August and September, with an average relative humidity of 62%, are the least humid months in Amherst.Rainfall
In Amherst, South Dakota, in August, it is raining for 12 days, with typically 1.77" (45mm) of accumulated precipitation. Throughout the year, in Amherst, there are 109.5 rainfall days, and 20.39" (518mm) of precipitation is accumulated.Snowfall
June through September are months without snowfall in Amherst, South Dakota.Daylight
In August, the average length of the day in Amherst is 14h and 4min.On the first day of August, sunrise is at 6:15 am and sunset at 9:00 pm. On the last day of the month, sunrise is at 6:52 am and sunset at 8:10 pm CDT.
Sunshine
In Amherst, the average sunshine in August is 10.7h.UV index
The average daily maximum UV index in August is 5. A UV Index reading of 3 to 5 represents a medium vulnerability from unsafe exposure to UV radiation for average individuals.Note: The maximum UV index of 5 during August translates into these guidelines:
Take precautions - Protection against sun damage is advised. Avoiding direct sun during mid-day hours can prevent harmful UV radiation exposure. Select sunglasses that boast both UVA and UVB protection to limit the adverse effects of the sun on the eyes.
Frequently asked questions
What are the temperatures in Amherst in August?
What are the least humid months in Amherst?
What is the average humidity in August in Amherst?
How much does it rain in Amherst in August?
When it does not snow in Amherst?
What is the average length of the day in August in Amherst?
When is the sunrise / sunset in August in Amherst?
How many hours of sunshine does Amherst have in August?
How high is the UV index in August in Amherst?
Average temperature in August
Amherst, 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
Amherst, 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
Amherst, 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
Amherst, 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
Amherst, 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
Amherst, 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
Amherst, 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
Amherst, 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
Amherst, 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
Amherst, 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
Amherst, 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
Amherst, 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
Amherst, 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).
Amherst, South Dakota, USA
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