August weather forecast
Buffalo, SD

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Weather in August

August, the last month of the summer in Buffalo, is another warm month, with an average temperature varying between 62.2°F (16.8°C) and 82.9°F (28.3°C).

Temperature

The transition into August shows a subtle variation to a still warm 82.9°F (28.3°C) from July's 85.1°F (29.5°C) in the average high-temperature. Buffalo encounters a steady low-temperature average of 62.2°F (16.8°C) throughout the month of August.

Heat index

For most parts of August, the heat index is appraised at 84.2°F (29°C). Exhaustion might be the outcome of enduring exposure and continuous activity, with a risk of heat cramps.
It is worth noting that heat index values are gauged for conditions in the shade and light breezes. The direct sunshine could escalate the heat index values by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'real feel' or 'feels like', shows a temperature sensation when both heat and moisture conditions are combined. A person's impression of weather can be affected by numerous aspects, among them metabolic variations, pregnancy, and activity levels. Taking into account that direct sunlight can boost the heat effect, the heat index may rise by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are essentially critical for 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

With an average relative humidity of 47%, August is the least humid month.

Rainfall

In Buffalo, during August, the rain falls for 10.4 days and regularly aggregates up to 1.3" (33mm) of precipitation. In Buffalo, during the entire year, the rain falls for 103.8 days and collects up to 14.88" (378mm) of precipitation.

Snowfall

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

Daylight

In August, the average length of the day is 14h and 4min.
On the first day of August in Buffalo, sunrise is at 5:38 am and sunset at 8:22 pm. On the last day of the month, sunrise is at 6:15 am and sunset at 7:33 pm MDT.

Sunshine

With an average of 11.5h of sunshine, August has the most sunshine of the year.

UV index

The months with the highest UV index are June through August, with an average maximum UV index of 6. A UV Index value of 6 to 7 symbolizes a high health vulnerability from exposure to the Sun's UV rays for ordinary individuals.
Note: In August, the maximum UV index of 6 transforms into these recommendations:
Take precautions and utilize sun safety practices. Protection against skin and eye damage is required. UV radiation from the sun is at its strongest between 10 a.m. and 4 p.m. Try to limit direct exposure during these hours. Always opt for UVA and UVB-resistant sunglasses on radiant days.
Updated: Aug 16, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

How hot is it in August?

In Buffalo, in August, the average high-temperature is 82.9°F (28.3°C), and the average low-temperature is 62.2°F (16.8°C). In August, the average heat index (a.k.a. 'apparent temperature', 'felt air temperature'), which combines air temperature and relative humidity, is appraised at 84.2°F (29°C).

What is the least humid month?

August is the least humid month, with an average relative humidity of 47%.

What is the average humidity in August in Buffalo?

The average relative humidity in August is 47%.

How many days does it rain in August?

In August, the rain falls for 10.4 days. Throughout August, 1.3" (33mm) of precipitation is accumulated.

When it does not snow in Buffalo?

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

What is the average length of the day in August?

The average day length in August in Buffalo is 14h and 4min.

What time are sunrise and sunset in August?

On the first day of August, sunrise is at 5:38 am and sunset at 8:22 pm. On the last day of the month, sunrise is at 6:15 am and sunset at 7:33 pm MDT.

What month has the most sunshine?

August has the most sunshine of the year in Buffalo, with an average of 11.5h of sunshine.

How long on average sun shines in August?

The average sunshine duration in August is 11.5h.

What are the months with the highest UV index?

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

What is the UV index reading in August?

In Buffalo, the average daily maximum UV index in August is 6. A UV Index reading of 6 to 7 represents a high 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
Buffalo, SD

Average temperature in August - Buffalo, SD
  • Average high temperature in August: 82.9°F

The warmest month (with the highest average high temperature) is July (85.1°F).
The month with the lowest average high temperature is January (27.3°F).

  • Average low temperature in August: 62.2°F

The month with the highest average low temperature is July (63.5°F).
The coldest month (with the lowest average low temperature) is January (14.4°F).

Average pressure in August
Buffalo, SD

Average pressure in August - Buffalo, SD
  • Average pressure in August: 29.89"Hg

The month with the highest atmospheric pressure is January (30.15"Hg).
The month with the lowest atmospheric pressure is June (29.84"Hg).

Average wind speed in August
Buffalo, SD

Average wind speed in August - Buffalo, SD
  • Average wind speed in August: 9.9mph

The windiest months (with the highest average wind speed) are January and October (11.9mph).
The calmest month (with the lowest average wind speed) is July (9.8mph).

Average humidity in August
Buffalo, SD

Average humidity in August - Buffalo, SD
  • Average humidity in August: 47%

The month with the highest relative humidity is January (82%).
The month with the lowest relative humidity is August (47%).

Average rainfall in August
Buffalo, SD

Average rainfall in August - Buffalo, SD
  • Average rainfall in August: 1.3"

The wettest month (with the highest rainfall) is May (2.68").
The driest months (with the least rainfall) are January and November (0.51").

Average rainfall days in August
Buffalo, SD

Average rainfall days in August - Buffalo, SD
  • Average rainfall days in August: 10.4 days

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

Average snowfall in August
Buffalo, SD

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

The month with the highest snowfall is March (4.37").
The months with the least snowfall are June, July, August and September (0").

Average snowfall days in August
Buffalo, SD

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

The month with the highest number of snowfall days is February (12.3 days).
The months with the least snowfall days are June, July and August (0 days).

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

Average daylight in August / Average sunshine in August - Buffalo, SD
  • Average daylight in August: 14h and 1min

The month with the longest days is June (Average daylight: 15h and 36min).
The month with the shortest days is December (Average daylight: 8h and 48min).

  • Average sunshine in August: 11h and 3min

The month with the most sunshine is August (Average sunshine: 11h and 30min).
The months with the least sunshine are January and February (Average sunshine: 5h and 0min).

Average sunshine days in August
Buffalo, SD

Average sunshine days in August - Buffalo, SD
  • Average sunshine days in August: 17.5 days

The month with the most sunshine days is November (19.4 days).
The month with the least sunshine days is April (11.6 days).

Average UV index in August
Buffalo, SD

Average UV index in August - Buffalo, 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 February and December (UV index 1).

Average cloud cover in August
Buffalo, SD

Average cloud cover in August - Buffalo, SD
  • Average cloud cover in August: 18

The months with the most cloud cover are January and February (Cloud cover 48).
The month with the least cloud cover is August (Cloud cover 18).

Average visibility in August
Buffalo, SD

Average visibility in August - Buffalo, 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).

Buffalo, South Dakota, USA

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