August weather forecast
Walker, SD

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Weather in August

August, the last month of the summer in Walker, is another warm month, with an average temperature ranging between max 84.2°F (29°C) and min 63.3°F (17.4°C).

Temperature

Walker, South Dakota, marks the start of August with an average high-temperature of a moderately hot 84.2°F (29°C), hinting at a slight fluctuation from July's 86.4°F (30.2°C). Walker, during August, witnesses an average low-temperature of 63.3°F (17.4°C).

Heat index

The heat index value for August is calculated to be a tropical 86°F (30°C). If one continues to be active during exposure, it might cause tiredness and subsequent heat cramps.
Heat index values are typically calculated for conditions of shade and a light breeze. Exposing to direct sunshine may enhance heat index values by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'apparent temperature' or 'real feel', is what the temperature feels like to the human body when the air temperature is combined with the relative humidity. Elements such as metabolic variations, pregnancy, and physical exertion can influence one's weather perception. Given direct exposure to sunlight, one might experience a rise in the heat index by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are especially vital to children. Juveniles are regularly less conscious of the need to recuperate and rehydrate. Thirst is a tardy symptom of dehydration - hydration, especially during lengthy physical activities, should be maintained.

Humidity

The least humid month is August, with an average relative humidity of 52%.

Rainfall

In Walker, South Dakota, during August, the rain falls for 10.4 days and regularly aggregates up to 1.18" (30mm) of precipitation. Throughout the year, there are 89.4 rainfall days, and 15.39" (391mm) of precipitation is accumulated.

Snowfall

June through September are months without snowfall in Walker.

Daylight

The average length of the day in August is 14h and 5min.
On the first day of August, sunrise is at 5:28 am and sunset at 8:13 pm. On the last day of the month, sunrise is at 6:05 am and sunset at 7:23 pm MDT.

Sunshine

In Walker, the average sunshine in August is 10.9h.

UV index

The months with the highest UV index are June through August, with an average maximum UV index of 6. A UV Index reading of 6 to 7 represents a high health hazard from unprotected exposure to Sun's UV rays for the average person.
Note: A maximum daily UV index of 6 during August morphs into the following directions:
Persist in precautions and follow sun safety policies. Keeping sunburn at bay is imperative. The hours from 10 a.m. to 4 p.m. have the most intense UV radiation. As much as possible, limit direct sun exposure during this period. Boost your sun resistance with garments that are densely woven yet spacious.
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Frequently asked questions

How hot does it get in Walker in August?

In Walker, in August, the average high-temperature is 84.2°F (29°C), and the average low-temperature is 63.3°F (17.4°C). In August, the average heat index (a.k.a. 'feels like', 'felt air temperature'), which represents the influence of relative humidity on air temperature, is calculated to be 86°F (30°C).

What is the least humid month in Walker?

The least humid month in Walker, South Dakota, is August, with an average relative humidity of 52%.

What is the average humidity in August in Walker?

The average relative humidity in August is 52%.

How much does it rain in Walker in August?

In Walker, in August, during 10.4 rainfall days, 1.18" (30mm) of precipitation is typically accumulated.

When it does not snow in Walker?

In Walker, South Dakota, snow does not fall in June through September.

How many hours of daylight does Walker have in August?

In August, the average day length in Walker is 14h and 5min.

When are sunrise and sunset in August in Walker?

On the first day of August in Walker, South Dakota, sunrise is at 5:28 am and sunset at 8:13 pm. On the last day of the month, sunrise is at 6:05 am and sunset at 7:23 pm MDT.

How long on average sun shines in August in Walker?

In August, the average sunshine duration in Walker is 10.9h.

What is the month with the highest UV index in Walker?

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

How high is the UV index in August in Walker?

In August, the average daily maximum UV index in Walker, South Dakota, is 6. A UV Index value of 6 to 7 symbolizes a high health risk from unsafe 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
Walker, SD

Average temperature in August - Walker, SD
  • Average high temperature in August: 84.2°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 (23°F).

  • Average low temperature in August: 63.3°F

The month with the highest average low temperature is July (65.5°F).
The coldest month (with the lowest average low temperature) is January (9°F).

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Average pressure in August
Walker, SD

Average pressure in August - Walker, SD
  • Average pressure in August: 29.9"Hg

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

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Average wind speed in August
Walker, SD

Average wind speed in August - Walker, SD
  • Average wind speed in August: 9.5mph

The windiest month (with the highest average wind speed) is April (11.5mph).
The calmest month (with the lowest average wind speed) is February (9.4mph).

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Average humidity in August
Walker, SD

Average humidity in August - Walker, SD
  • Average humidity in August: 52%

The month with the highest relative humidity is January (87%).
The month with the lowest relative humidity is August (52%).

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Average rainfall in August
Walker, SD

Average rainfall in August - Walker, SD
  • Average rainfall in August: 1.18"

The wettest month (with the highest rainfall) is June (2.32").
The driest month (with the least rainfall) is January (0.47").

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Average rainfall days in August
Walker, SD

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

The month with the highest number of rainy days is June (13.8 days).
The month with the least rainy days is February (1.3 days).

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Average snowfall in August
Walker, SD

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

The month with the highest snowfall is February (3.98").
The months with the least snowfall are June, July, August and September (0").

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Average snowfall days in August
Walker, SD

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

The month with the highest number of snowfall days is January (11.8 days).
The months with the least snowfall days are June, July, August and September (0 days).

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

Average daylight in August / Average sunshine in August - Walker, 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 5min

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 6min).

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Average sunshine days in August
Walker, SD

Average sunshine days in August - Walker, SD
  • Average sunshine days in August: 18 days

The month with the most sunshine days is November (21.5 days).
The month with the least sunshine days is June (13.6 days).

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Average UV index in August
Walker, SD

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

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Average cloud cover in August
Walker, SD

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

The month with the most cloud cover is January (Cloud cover 56).
The months with the least cloud cover are July and August (Cloud cover 21).

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Average visibility in August
Walker, SD

Average visibility in August - Walker, 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).

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Walker, South Dakota, USA

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