August weather forecast
Lennox, SD

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Weather in August

The heat of summer gracefully transitions as August arrives in Lennox. Despite the slight decrease in temperature when compared to July, temperatures generally remain quite high, hovering around a balmy 81.7°F (27.6°C). The city's natural surroundings are lush and green, fed by both the sun's rays and occasional summer showers. The longer daylight hours provide ample time for residents to indulge in outdoor activities. August is a time to experience the city at its warmest, most vibrant self.

Temperature

Lennox observes a minor difference in average high-temperatures between July's 83.3°F (28.5°C) and August's 81.7°F (27.6°C). August nights are marked by an average low-temperature of 60.4°F (15.8°C).

Heat index

In August, the average heat index is appraised at a tropical 86°F (30°C). Long-standing exposure coupled with ongoing activity could result in exhaustion, possibly causing heat cramps.
Thinking about the heat index, one should account for its values in shaded areas with gentle breezes. When exposed to the direct sun, the heat index may augment by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'feels like' or 'real feel', melds the effects of warmth and moisture to generate a feeling of heat. The impression of weather on a person can be swayed by additional aspects, including metabolic variations, pregnancy, and activity levels. By being directly under the sun, it's possible for the felt temperature to increase by 15 Fahrenheit (8 Celsius) degrees. Heat index values remain especially vital for babies and toddlers. Youths are typically more endangered than adults since they usually sweat less. Their larger skin surface concerning their smaller bodies and higher heat production due to activity further adds to their vulnerability.

Humidity

In August, the average relative humidity is 73%.

Rainfall

In Lennox, during August, the rain falls for 13.3 days and regularly aggregates up to 2.09" (53mm) of precipitation. In Lennox, South Dakota, during the entire year, the rain falls for 111.7 days and collects up to 17.76" (451mm) of precipitation.

Snowfall

June through September are months without snowfall in Lennox.

Daylight

In August, the average length of the day is 13h and 55min.
On the first day of August, sunrise is at 6:18 am and sunset at 8:49 pm. On the last day of the month, sunrise is at 6:51 am and sunset at 8:03 pm CDT.

Sunshine

In August, the average sunshine is 10h.

UV index

The average daily maximum UV index in August is 5. A UV Index of 3 to 5 symbolizes a moderate health risk from exposure to the Sun's UV rays for the average person.
Note: The UV index of 5 during August leads to these advisories:
Take precautions. Light skin individuals may get burned in less than 30 minutes. The Sun's radiation is especially intense around midday; try to stay in shade during this period. Select sunglasses that boast both UVA and UVB protection to limit the adverse effects of the sun on the eyes.
Updated: Jul 30, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What is the average August temperature?

The high-temperature during August is 81.7°F (27.6°C) and the low-temperature is 60.4°F (15.8°C). The average heat index (a.k.a. 'apparent temperature', 'feels like'), which factors the actual air temperature with the relative humidity, in August is appraised at 86°F (30°C).

What is the average humidity in August?

In Lennox, the average relative humidity in August is 73%.

How much does it rain in August?

In Lennox, in August, it is raining for 13.3 days, with typically 2.09" (53mm) of accumulated precipitation.

When it does not snow?

In Lennox, snow does not fall in June through September.

What is the average length of the day in August?

In Lennox, South Dakota, the average day length in August is 13h and 55min.

What time are sunrise and sunset in August?

On the first day of August, sunrise is at 6:18 am and sunset at 8:49 pm. On the last day of the month, sunrise is at 6:51 am and sunset at 8:03 pm CDT.

How long on average sun shines in August?

In Lennox, the average sunshine duration in August is 10h.

What is the UV index reading in August in Lennox?

The average daily maximum UV index in August in Lennox is 5. A UV Index of 3 to 5 symbolizes a moderate health threat from exposure to Sun's UV rays.
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
Lennox, SD

Average temperature in August - Lennox, SD
  • Average high temperature in August: 81.7°F

The warmest month (with the highest average high temperature) is July (83.3°F).
The month with the lowest average high temperature is January (24.3°F).

  • Average low temperature in August: 60.4°F

The month with the highest average low temperature is July (63.7°F).
The coldest month (with the lowest average low temperature) is January (10.8°F).

Average pressure in August
Lennox, SD

Average pressure in August - Lennox, SD
  • Average pressure in August: 29.93"Hg

The month with the highest atmospheric pressure is January (30.16"Hg).
The month with the lowest atmospheric pressure is June (29.85"Hg).

Average wind speed in August
Lennox, SD

Average wind speed in August - Lennox, SD
  • Average wind speed in August: 8.1mph

The windiest month (with the highest average wind speed) is April (11.2mph).
The calmest month (with the lowest average wind speed) is July (7.9mph).

Average humidity in August
Lennox, SD

Average humidity in August - Lennox, SD
  • Average humidity in August: 73%

The month with the highest relative humidity is January (87%).
The month with the lowest relative humidity is October (66%).

Average rainfall in August
Lennox, SD

Average rainfall in August - Lennox, SD
  • Average rainfall in August: 2.09"

The wettest month (with the highest rainfall) is June (2.91").
The driest months (with the least rainfall) are January, February and November (0.47").

Average rainfall days in August
Lennox, SD

Average rainfall days in August - Lennox, SD
  • Average rainfall days in August: 13.3 days

The months with the highest number of rainy days are May and June (16 days).
The month with the least rainy days is February (2.5 days).

Average snowfall in August
Lennox, SD

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

The month with the highest snowfall is February (2.64").
The months with the least snowfall are June, July, August and September (0").

Average snowfall days in August
Lennox, SD

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

The month with the highest number of snowfall days is January (9.5 days).
The months with the least snowfall days are June, July, August and September (0 days).

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

Average daylight in August / Average sunshine in August - Lennox, 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: 10h and 0min

The month with the most sunshine is July (Average sunshine: 10h and 42min).
The month with the least sunshine is January (Average sunshine: 4h and 12min).

Average sunshine days in August
Lennox, SD

Average sunshine days in August - Lennox, SD
  • Average sunshine days in August: 15.4 days

The month with the most sunshine days is November (22.5 days).
The month with the least sunshine days is June (11.5 days).

Average UV index in August
Lennox, SD

Average UV index in August - Lennox, 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 November (UV index 1).

Average cloud cover in August
Lennox, SD

Average cloud cover in August - Lennox, SD
  • Average cloud cover in August: 29

The month with the most cloud cover is January (Cloud cover 54).
The month with the least cloud cover is July (Cloud cover 25).

Average visibility in August
Lennox, SD

Average visibility in August - Lennox, 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).

Lennox, South Dakota, USA

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