August weather forecast
Parmelee, SD

Share

Weather in August

August, the last month of the summer in Parmelee, is also a moderately hot month, with temperature in the range of an average low of 63.1°F (17.3°C) and an average high of 84.6°F (29.2°C).

Temperature

August brings an average high-temperature of a warm 84.6°F (29.2°C), showing a slight difference from July's 86.4°F (30.2°C). An average low-temperature of 63.1°F (17.3°C) is anticipated throughout the nights during August.

Heat index

The heat index in August is estimated at a tropical 87.8°F (31°C). Continued exposure and engagement in activity might trigger tiredness and subsequently heat cramps.
Be aware that heat index ratings are designed for shaded locations and minor breezes. Exposure to unobstructed sunshine could lead to an increase in the heat index by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'real feel' or 'felt air temperature', is a single figure representing how weather conditions feel when combining temperature and humidity. The individual's impression of temperature can be shaped by additional aspects such as metabolic variations, physical activity, and clothing. It is noteworthy that being in direct sunlight can enhance the weather's impact, raising the heat index by as much as 15 Fahrenheit (8 Celsius) degrees. Heat index values are quite important for children. Youngsters are usually more at risk than adults, considering they sweat less. Additionally, their high skin surface area compared to their little bodies and their high heat production due to activity increases their risk.

Humidity

In August, the average relative humidity is 58%.

Rainfall

In August, the rain falls for 12.1 days. Throughout August, 1.65" (42mm) of precipitation is accumulated. In Parmelee, during the entire year, the rain falls for 109.2 days and collects up to 16.89" (429mm) of precipitation.

Snowfall

In Parmelee, snow does not fall in June through August.

Daylight

In Parmelee, the average length of the day in August is 13h and 54min.
On the first day of the month, sunrise is at 6:35 am and sunset at 9:05 pm. On the last day of August, sunrise is at 7:07 am and sunset at 8:20 pm CDT.

Sunshine

In August, the average sunshine is 10.8h.

UV index

The months with the highest UV index are June through August, with an average maximum UV index of 6. A UV Index of 6 to 7 symbolizes a high threat to health from unsafe exposure to UV radiation for the ordinary person.
Note: A maximum UV index of 6 in August translates into the following recommendations:
Uphold preventive measures and conform to sun safety guidelines. Defending against skin and eye harm is crucial. Limit direct sun exposure and seek shade between 10 a.m. and 4 p.m., the time of the most intense UV radiation, noting that shade structures may not provide total sun protection. In bright sunlight, prioritize sunglasses that grant protection from UVA and UVB radiation.

Frequently asked questions

How hot is it in August?

In Parmelee, 84.6°F (29.2°C) is the average high-temperature and 63.1°F (17.3°C) is the average low-temperature during August. In August, the average heat index (a.k.a. 'apparent temperature', 'real feel'), which represents the influence of relative humidity on air temperature, is estimated at 87.8°F (31°C).

What is the average humidity in August?

The average relative humidity in August is 58%.

How much does it rain in August?

In Parmelee, in August, during 12.1 rainfall days, 1.65" (42mm) of precipitation is typically accumulated.

When it does not snow?

June through August are months without snowfall.

Does it snow in August?

In Parmelee, in August, it doesn't snow. In September, it regularly snows.

How many hours of daylight does Parmelee have in August?

The average day length in August is 13h and 54min.

When is the sunrise / sunset in August?

On the first day of August, sunrise is at 6:35 am and sunset at 9:05 pm. On the last day of the month, sunrise is at 7:07 am and sunset at 8:20 pm CDT.

How long on average sun shines in August?

The average sunshine duration in August is 10.8h.

When is the highest UV index in Parmelee?

The months with the highest UV index are June through August, with an average maximum UV index of 6.

What is the UV index reading in August?

In August, the average daily maximum UV index is 6. A UV Index reading of 6 to 7 represents a high health threat from unprotected exposure to UV radiation.
Average humidity
Average rainfall days
Average snowfall
Average snowfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in August
Parmelee, SD

Average temperature in August - Parmelee, SD
  • Average high temperature in August: 84.6°F

The warmest month (with the highest average high temperature) is July (86.4°F).
The month with the lowest average high temperature is January (31.5°F).

  • Average low temperature in August: 63.1°F

The month with the highest average low temperature is July (65.7°F).
The coldest month (with the lowest average low temperature) is January (18.5°F).

Average pressure in August
Parmelee, SD

Average pressure in August - Parmelee, SD
  • Average pressure in August: 29.91"Hg

The month with the highest atmospheric pressure is January (30.15"Hg).
The month with the lowest atmospheric pressure is June (29.85"Hg).

Average wind speed in August
Parmelee, SD

Average wind speed in August - Parmelee, SD
  • Average wind speed in August: 10.6mph

The windiest month (with the highest average wind speed) is April (13.1mph).
The calmest months (with the lowest average wind speed) are July and August (10.6mph).

Average humidity in August
Parmelee, SD

Average humidity in August - Parmelee, SD
  • Average humidity in August: 58%

The month with the highest relative humidity is January (78%).
The month with the lowest relative humidity is September (56%).

Average rainfall in August
Parmelee, SD

Average rainfall in August - Parmelee, SD
  • Average rainfall in August: 1.65"

The wettest month (with the highest rainfall) is May (2.6").
The driest month (with the least rainfall) is January (0.47").

Average rainfall days in August
Parmelee, SD

Average rainfall days in August - Parmelee, SD
  • Average rainfall days in August: 12.1 days

The month with the highest number of rainy days is May (15.7 days).
The month with the least rainy days is January (2.4 days).

Average snowfall in August
Parmelee, SD

Average snowfall in August - Parmelee, SD
  • Average snowfall in August: 0"

The month with the highest snowfall is December (2.76").
The months with the least snowfall are June, July and August (0").

Average snowfall days in August
Parmelee, SD

Average snowfall days in August - Parmelee, SD
  • Average snowfall days in August: 0 days

The month with the highest number of snowfall days is January (9.7 days).
The months with the least snowfall days are June, July and August (0 days).

Average daylight in August /
Average sunshine in August
Parmelee, SD

Average daylight in August / Average sunshine in August - Parmelee, SD
  • Average daylight in August: 13h and 5min

The month with the longest days is June (Average daylight: 15h and 18min).
The month with the shortest days is December (Average daylight: 9h and 0min).

  • Average sunshine in August: 10h and 5min

The month with the most sunshine is July (Average sunshine: 11h and 12min).
The month with the least sunshine is January (Average sunshine: 5h and 24min).

Average sunshine days in August
Parmelee, SD

Average sunshine days in August - Parmelee, SD
  • Average sunshine days in August: 14.1 days

The month with the most sunshine days is December (20.4 days).
The month with the least sunshine days is June (11.2 days).

Average UV index in August
Parmelee, SD

Average UV index in August - Parmelee, 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
Parmelee, SD

Average cloud cover in August - Parmelee, SD
  • Average cloud cover in August: 21

The month with the most cloud cover is February (Cloud cover 44).
The months with the least cloud cover are July, August and September (Cloud cover 21).

Average visibility in August
Parmelee, SD

Average visibility in August - Parmelee, 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).

Parmelee, South Dakota, USA

Weather forecast for your location

1. Click Locate me button
2. Allow the app to use your location