August weather forecast
Kennebec, SD

Share

Weather in August

The last month of the summer, August, is also a moderately hot month in Kennebec, South Dakota, with an average temperature fluctuating between 85.8°F (29.9°C) and 63.7°F (17.6°C).

Temperature

Transitioning from July to August, Kennebec observes an average high-temperature of a moderately hot 85.8°F (29.9°C), differing subtly from the previous month. Despite soaring daytime temperatures, Kennebec registers a consistent average low-temperature of 63.7°F (17.6°C) in August.

Heat index

Throughout August, the heat index is evaluated at a tropical 89.6°F (32°C). If activity and exposure persist, they could induce fatigue, leading to possible heat cramps.
Keep in mind the heat index values are meant for areas in shade and with light wind. Heat index values might soar by up to 15 Fahrenheit (8 Celsius) degrees with exposure to direct sunshine.
Note: The heat index, also known as 'apparent temperature' or 'real feel', marries air temperature and humidity to produce a value illustrating perceived warmth. The impression of weather on a person can be swayed by additional aspects, including metabolic variations, pregnancy, and activity levels. 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 hold particular significance for children. Children often do not understand the need to rest and hydrate. Thirst is a late manifestation of dehydration - therefore, it is essential to stay hydrated, particularly during prolonged physical activities.

Humidity

The average relative humidity in August is 59%.

Rainfall

In Kennebec, in August, during 11 rainfall days, 1.5" (38mm) of precipitation is typically accumulated. Throughout the year, there are 107.6 rainfall days, and 17.83" (453mm) of precipitation is accumulated.

Snowfall

May through September are months without snowfall.

Daylight

The average length of the day in August is 13h and 56min.
On the first day of August, sunrise is at 6:28 am and sunset at 9:02 pm. On the last day of the month, sunrise is at 7:02 am and sunset at 8:16 pm CDT.

Sunshine

In August, the average sunshine is 11h.

UV index

The months with the highest UV index are June through August, with an average maximum UV index of 6. A UV Index estimate of 6 to 7 represents a high health hazard from exposure to the Sun's UV rays for ordinary individuals.
Note: The UV index of 6 during August translates into the following guidance:
Take precautions and utilize sun safety practices. Protection against skin and eye damage is required. To the best of your ability, limit your exposure to the sun between the hours of 10 a.m. and 4 p.m., when UV radiation is at its peak. A wide-brimmed hat is a shield, deflecting up to 50% of harmful UV radiation from eyes.
Updated: Jul 19, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

How hot is it in August?

August temperatures vary between a high-temperature of 85.8°F (29.9°C) and a low-temperature of 63.7°F (17.6°C). The average heat index (a.k.a. 'feels like', 'real feel'), which calculates the temperature value influenced by the moisture in the air, in August is evaluated at 89.6°F (32°C).

What is the average humidity in August?

In Kennebec, the average relative humidity in August is 59%.

How many days does it rain in August?

In August, the rain falls for 11 days. Throughout August, 1.5" (38mm) of precipitation is accumulated.

When it does not snow?

In Kennebec, snow does not fall in May through September.

What is the average length of the day in August?

In Kennebec, the average day length in August is 13h and 56min.

When are sunrise and sunset in August?

On the first day of August, sunrise is at 6:28 am and sunset at 9:02 pm. On the last day of the month, sunrise is at 7:02 am and sunset at 8:16 pm CDT.

How long on average sun shines in August?

The average sunshine duration in August is 11h.

What are the months with the highest UV index?

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 of 6 to 7 symbolizes a high hazard to health 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
Kennebec, SD

Average temperature in August - Kennebec, SD
  • Average high temperature in August: 85.8°F

The warmest month (with the highest average high temperature) is July (88°F).
The month with the lowest average high temperature is January (26.1°F).

  • Average low temperature in August: 63.7°F

The month with the highest average low temperature is July (66.2°F).
The coldest month (with the lowest average low temperature) is January (12.6°F).

Average pressure in August
Kennebec, SD

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

The month with the highest atmospheric pressure is January (30.16"Hg).
The month with the lowest atmospheric pressure is June (29.84"Hg).

Average wind speed in August
Kennebec, SD

Average wind speed in August - Kennebec, SD
  • Average wind speed in August: 9.1mph

The windiest month (with the highest average wind speed) is April (11.3mph).
The calmest month (with the lowest average wind speed) is August (9.1mph).

Average humidity in August
Kennebec, SD

Average humidity in August - Kennebec, SD
  • Average humidity in August: 59%

The month with the highest relative humidity is January (86%).
The month with the lowest relative humidity is September (58%).

Average rainfall in August
Kennebec, SD

Average rainfall in August - Kennebec, SD
  • Average rainfall in August: 1.5"

The wettest month (with the highest rainfall) is June (3.03").
The driest month (with the least rainfall) is November (0.55").

Average rainfall days in August
Kennebec, SD

Average rainfall days in August - Kennebec, SD
  • Average rainfall days in August: 11 days

The month with the highest number of rainy days is May (15.3 days).
The month with the least rainy days is February (3.3 days).

Average snowfall in August
Kennebec, SD

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

The month with the highest snowfall is February (3.66").
The months with the least snowfall are May, June, July, August and September (0").

Average snowfall days in August
Kennebec, SD

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

The months with the highest number of snowfall days are January and February (11.7 days).
The months with the least snowfall days are June, July, August and September (0 days).

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

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

The month with the longest days is June (Average daylight: 15h and 24min).
The month with the shortest days is December (Average daylight: 9h and 0min).

  • Average sunshine in August: 11h and 0min

The month with the most sunshine is July (Average sunshine: 11h and 24min).
The month with the least sunshine is January (Average sunshine: 4h and 42min).

Average sunshine days in August
Kennebec, SD

Average sunshine days in August - Kennebec, SD
  • Average sunshine days in August: 17.2 days

The month with the most sunshine days is November (20.7 days).
The month with the least sunshine days is April (11.8 days).

Average UV index in August
Kennebec, SD

Average UV index in August - Kennebec, SD
  • Average UV index in August: 6

The months with the highest UV index are June, July and August (UV index 6).
The month with the lowest UV index is February (UV index 1).

Average cloud cover in August
Kennebec, SD

Average cloud cover in August - Kennebec, SD
  • Average cloud cover in August: 20

The month with the most cloud cover is January (Cloud cover 49).
The month with the least cloud cover is August (Cloud cover 20).

Average visibility in August
Kennebec, SD

Average visibility in August - Kennebec, 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).

Kennebec, South Dakota, USA

Weather forecast for your location

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