August weather forecast
Arlington, SD

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Weather in August

August, the last month of the summer in Arlington, is another warm month, with temperature in the range of an average low of 59.2°F (15.1°C) and an average high of 80.2°F (26.8°C).

Temperature

August's average high-temperature is a still warm 80.2°F (26.8°C), maintaining a close comparison with July's 81.3°F (27.4°C). Arlington's nights in August experience an average temperature drop to a refreshing 59.2°F (15.1°C).

Humidity

The average relative humidity in August is 72%.

Rainfall

In Arlington, during August, the rain falls for 14.3 days and regularly aggregates up to 2.24" (57mm) of precipitation. In Arlington, during the entire year, the rain falls for 125.5 days and collects up to 21.65" (550mm) of precipitation.

Snowfall

June through September are months without snowfall.

Daylight

The average length of the day in August is 13h and 58min.
On the first day of the month, sunrise is at 6:16 am and sunset at 8:53 pm. On the last day of August, in Arlington, sunrise is at 6:51 am and sunset at 8:06 pm CDT.

Sunshine

In Arlington, South Dakota, the average sunshine in August is 10.2h.

UV index

In August, the average daily maximum UV index is 5. A UV Index of 3 to 5 symbolizes a medium health hazard from exposure to the Sun's UV radiation for ordinary individuals.
Note: The maximum daily UV index of 5 in August converts into the following recommendations:
Take precautions. Light skin individuals may get burned in less than 30 minutes. For health reasons, it's advisable to reduce direct sun exposure during peak hours around midday. Counter UV radiation's ill effects with clothing designed for sun safety and UV-resistant eyewear.
Updated: Aug 23, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What is the average August temperature?

In Arlington, in August, the average high-temperature is 80.2°F (26.8°C), and the average low-temperature is 59.2°F (15.1°C). In July, the average heat index (a.k.a. 'feels like', 'felt air temperature'), which takes the relative humidity and factors it into the air temperature reading, is estimated at 86°F (30°C).

What is the average humidity in August?

In August, the average relative humidity is 72%.

How much does it rain in August?

In Arlington, during August, the rain falls for 14.3 days and regularly aggregates up to 2.24" (57mm) of precipitation.

When it does not snow?

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

How many hours of daylight does Arlington have in August?

In August, the average day length is 13h and 58min.

What time are sunrise and sunset in August?

On the first day of August in Arlington, sunrise is at 6:16 am and sunset at 8:53 pm. On the last day of the month, sunrise is at 6:51 am and sunset at 8:06 pm CDT.

How many hours of sunshine does Arlington have in August?

The average sunshine duration in August is 10.2h.

What is the UV index reading in August?

In August, the average daily maximum UV index is 5. A UV Index reading of 3 to 5 represents a moderate vulnerability 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
Arlington, SD

Average temperature in August - Arlington, SD
  • Average high temperature in August: 80.2°F

The warmest month (with the highest average high temperature) is July (81.3°F).
The month with the lowest average high temperature is January (20.7°F).

  • Average low temperature in August: 59.2°F

The month with the highest average low temperature is July (62.2°F).
The coldest month (with the lowest average low temperature) is January (7°F).

Average pressure in August
Arlington, SD

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

The months with the highest atmospheric pressure are January and February (30.16"Hg).
The month with the lowest atmospheric pressure is June (29.86"Hg).

Average wind speed in August
Arlington, SD

Average wind speed in August - Arlington, SD
  • Average wind speed in August: 8.5mph

The windiest month (with the highest average wind speed) is April (11.5mph).
The calmest month (with the lowest average wind speed) is July (8.4mph).

Average humidity in August
Arlington, SD

Average humidity in August - Arlington, SD
  • Average humidity in August: 72%

The month with the highest relative humidity is January (90%).
The month with the lowest relative humidity is October (68%).

Average rainfall in August
Arlington, SD

Average rainfall in August - Arlington, SD
  • Average rainfall in August: 2.24"

The wettest month (with the highest rainfall) is June (3.46").
The driest month (with the least rainfall) is November (0.67").

Average rainfall days in August
Arlington, SD

Average rainfall days in August - Arlington, SD
  • Average rainfall days in August: 14.3 days

The month with the highest number of rainy days is June (19.8 days).
The month with the least rainy days is January (3.2 days).

Average snowfall in August
Arlington, SD

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

The month with the highest snowfall is February (4.69").
The months with the least snowfall are June, July, August and September (0").

Average snowfall days in August
Arlington, SD

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

The month with the highest number of snowfall days is January (14.4 days).
The months with the least snowfall days are June, July, August and September (0 days).

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

Average daylight in August / Average sunshine in August - Arlington, SD
  • Average daylight in August: 14h and 0min

The month with the longest days is June (Average daylight: 15h and 30min).
The month with the shortest days is December (Average daylight: 8h and 54min).

  • Average sunshine in August: 10h and 1min

The month with the most sunshine is July (Average sunshine: 10h and 36min).
The month with the least sunshine is January (Average sunshine: 3h and 48min).

Average sunshine days in August
Arlington, SD

Average sunshine days in August - Arlington, SD
  • Average sunshine days in August: 14.5 days

The month with the most sunshine days is November (18.9 days).
The month with the least sunshine days is June (8.3 days).

Average UV index in August
Arlington, SD

Average UV index in August - Arlington, 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 January (UV index 1).

Average cloud cover in August
Arlington, SD

Average cloud cover in August - Arlington, SD
  • Average cloud cover in August: 28

The month with the most cloud cover is January (Cloud cover 59).
The months with the least cloud cover are July and August (Cloud cover 28).

Average visibility in August
Arlington, SD

Average visibility in August - Arlington, 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).

Arlington, South Dakota, USA

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