August weather forecast
Andover, SD

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Weather in August

August, the last month of the summer in Andover, is another warm month, with an average temperature fluctuating between 58.8°F (14.9°C) and 80.1°F (26.7°C).

Temperature

August's advent notes a subtle adjustment in average high-temperature to a still moderately hot 80.1°F (26.7°C) from July. Andover throughout August, records an average low-temperature of 58.8°F (14.9°C).

Humidity

In August, the average relative humidity in Andover is 67%.

Rainfall

In August, in Andover, the rain falls for 12.3 days. Throughout August, 2.01" (51mm) of precipitation is accumulated. In Andover, during the entire year, the rain falls for 112.9 days and collects up to 22.09" (561mm) of precipitation.

Snowfall

June through September are months without snowfall.

Daylight

In August, the average length of the day is 14h and 3min.
On the first day of the month, sunrise is at 6:16 am and sunset at 8:59 pm. On the last day of August, sunrise is at 6:52 am and sunset at 8:10 pm CDT.

Sunshine

In Andover, the average sunshine in August is 10.3h.

UV index

In August, the average daily maximum UV index in Andover is 5. A UV Index value of 3 to 5 symbolizes a medium health hazard from unprotected exposure to Sun's UV rays for the average person.
Note: A daily maximum UV index of 5 in August translates into the following instructions:
Be mindful. Individuals with a lighter skin tone may suffer burns in less than 30 minutes. The Sun's harshest UV rays are around midday; it's wise to seek shade and limit time outdoors. Fend off the sun's harsh rays with appropriate clothing, a wide-brim hat, and UV-protective sunglasses.
Updated: Feb 14, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What is the usual temperature for Andover in August?

The average high-temperature and low-temperature in Andover during August are 80.1°F (26.7°C) and 58.8°F (14.9°C) respectively. In July, the average heat index (a.k.a. 'felt air temperature', 'feels like'), which factors the actual air temperature with the relative humidity, is computed to be 84.2°F (29°C).

What is the average humidity in August in Andover?

In Andover, South Dakota, the average relative humidity in August is 67%.

How many days does it rain in August in Andover?

In August, in Andover, South Dakota, the rain falls for 12.3 days. Throughout August, 2.01" (51mm) of precipitation is accumulated.

When it does not snow in Andover?

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

How many hours of daylight does Andover have in August?

The average day length in August in Andover is 14h and 3min.

What time are sunrise and sunset in August in Andover?

On the first day of August in Andover, sunrise is at 6:16 am and sunset at 8:59 pm. On the last day of the month, sunrise is at 6:52 am and sunset at 8:10 pm CDT.

How long on average sun shines in August in Andover?

In August, the average sunshine duration is 10.3h.

How high is the UV index in August in Andover?

In Andover, South Dakota, the average daily maximum UV index in August is 5. A UV Index estimate of 3 to 5 represents a moderate health threat from exposure to the Sun's 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
Andover, SD

Average temperature in August - Andover, SD
  • Average high temperature in August: 80.1°F

The warmest month (with the highest average high temperature) is July (81°F).
The month with the lowest average high temperature is January (18.9°F).

  • Average low temperature in August: 58.8°F

The month with the highest average low temperature is July (61.3°F).
The coldest month (with the lowest average low temperature) is January (5°F).

Average pressure in August
Andover, SD

Average pressure in August - Andover, SD
  • Average pressure in August: 29.92"Hg

The month with the highest atmospheric pressure is February (30.17"Hg).
The month with the lowest atmospheric pressure is June (29.85"Hg).

Average wind speed in August
Andover, SD

Average wind speed in August - Andover, SD
  • Average wind speed in August: 8.8mph

The windiest month (with the highest average wind speed) is April (11.7mph).
The calmest month (with the lowest average wind speed) is July (8.7mph).

Average humidity in August
Andover, SD

Average humidity in August - Andover, SD
  • Average humidity in August: 67%

The month with the highest relative humidity is January (91%).
The month with the lowest relative humidity is September (66%).

Average rainfall in August
Andover, SD

Average rainfall in August - Andover, SD
  • Average rainfall in August: 2.01"

The wettest month (with the highest rainfall) is July (3.58").
The driest month (with the least rainfall) is November (0.63").

Average rainfall days in August
Andover, SD

Average rainfall days in August - Andover, SD
  • Average rainfall days in August: 12.3 days

The month with the highest number of rainy days is June (17.9 days).
The month with the least rainy days is February (2.3 days).

Average snowfall in August
Andover, SD

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

The month with the highest snowfall is December (4.53").
The months with the least snowfall are June, July, August and September (0").

Average snowfall days in August
Andover, SD

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

The month with the highest number of snowfall days is January (15.1 days).
The months with the least snowfall days are June, July, August and September (0 days).

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

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

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: 10h and 2min

The month with the most sunshine is July (Average sunshine: 10h and 42min).
The month with the least sunshine is January (Average sunshine: 3h and 12min).

Average sunshine days in August
Andover, SD

Average sunshine days in August - Andover, SD
  • Average sunshine days in August: 16.5 days

The month with the most sunshine days is November (19.5 days).
The month with the least sunshine days is June (10.4 days).

Average UV index in August
Andover, SD

Average UV index in August - Andover, SD
  • Average UV index in August: 5

The months with the highest UV index are June and July (UV index 6).
The months with the lowest UV index are January, November and December (UV index 1).

Average cloud cover in August
Andover, SD

Average cloud cover in August - Andover, SD
  • Average cloud cover in August: 27

The month with the most cloud cover is January (Cloud cover 66).
The months with the least cloud cover are July and August (Cloud cover 27).

Average visibility in August
Andover, SD

Average visibility in August - Andover, SD
  • Average visibility in August: 6mi

The months with the highest visibility are April, May, June, July, August, September, October and November (6mi).
The months with the lowest visibility are January, February, March and December (5mi).

Andover, South Dakota, USA

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