August weather forecast
Alexandria, SD

Share

Weather in August

The last month of the summer, August, is also a moderately hot month in Alexandria, South Dakota, with an average temperature fluctuating between 84.4°F (29.1°C) and 62.1°F (16.7°C).

Temperature

Alexandria experiences an average high-temperature of a still moderately hot 84.4°F (29.1°C) in August, subtly different from July's 85.6°F (29.8°C). Despite a significant daily temperature range, Alexandria's temperature falls to a steady low-temperature average of 62.1°F (16.7°C) in August.

Heat index

August's average heat index is computed to be a tropical 89.6°F (32°C). Prolonged activity during exposure might result in a state of fatigue and cause heat cramps.
Note that heat index values are valued for light wind and location in the shade. Heat index values have the potential to be boosted by 15 Fahrenheit (8 Celsius) degrees due to direct sunlight.
Note: The heat index, also known as 'apparent temperature' or 'felt air temperature', is an estimation of the warmth sensation when considering humidity levels. Factors including metabolic differences, physical activity, and clothing are additional elements that influence the individual's temperature experience. Sunshine, when direct, has the potential to intensify weather effects, leading to an increase in the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values are extremely significant for babies and toddlers. Juveniles often do not understand the need to recuperate and rehydrate. Thirst is a delayed symptom of dehydration - hence, it is vital to maintain hydration, particularly during ongoing physical activities.

Humidity

In August, the average relative humidity is 65%.

Rainfall

In Alexandria, in August, during 10.5 rainfall days, 1.14" (29mm) of precipitation is typically accumulated. In Alexandria, during the entire year, the rain falls for 93.2 days and collects up to 11.3" (287mm) of precipitation.

Snowfall

In Alexandria, South Dakota, snow does not fall in May through September.

Daylight

In Alexandria, the average length of the day in August is 13h and 56min.
On the first day of the month, sunrise is at 6:21 am and sunset at 8:53 pm. On the last day of August, sunrise is at 6:54 am and sunset at 8:07 pm CDT.

Sunshine

In August, the average sunshine is 10.7h.

UV index

June through August, with an average maximum UV index of 6, are months with the highest UV index in Alexandria. A UV Index reading of 6 to 7 represents a high threat to health from exposure to the Sun's UV radiation for the average person.
Note: In August, an average UV index of 6 transforms into the following instructions:
Employ safeguards and advocate sun safety protocols. Shielding against skin and eye damage is crucial. Avoid direct exposure to the Sun between 10 a.m. and 4 p.m., the peak period for UV radiation, noting that objects like parasols or canopies might not offer complete sun protection. Equip yourself with UVA and UVB-filtering sunglasses on clear, sunny days.
Updated: Aug 11, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

How hot does it get in August?

Alexandria in August has an average high-temperature of 84.4°F (29.1°C) and an average low-temperature of 62.1°F (16.7°C). In August, the average heat index (a.k.a. 'feels like', 'apparent temperature'), which combines air temperature and relative humidity, is computed to be 89.6°F (32°C).

What is the average humidity in August?

In August, the average relative humidity is 65%.

How much does it rain in August?

In Alexandria, during August, the rain falls for 10.5 days and regularly aggregates up to 1.14" (29mm) of precipitation.

When it does not snow?

May through September are months without snowfall.

What is the average length of the day in August?

In Alexandria, the average day length in August is 13h and 56min.

When are sunrise and sunset in August?

On the first day of August, sunrise is at 6:21 am and sunset at 8:53 pm. On the last day of the month, sunrise is at 6:54 am and sunset at 8:07 pm CDT.

How many hours of sunshine does Alexandria have in August?

In August, the average sunshine duration is 10.7h.

When is the highest UV index?

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

What is the UV index reading in August?

In Alexandria, the average daily maximum UV index in August is 6. A UV Index of 6 to 7 symbolizes 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
Alexandria, SD

Average temperature in August - Alexandria, SD
  • Average high temperature in August: 84.4°F

The warmest month (with the highest average high temperature) is July (85.6°F).
The month with the lowest average high temperature is January (24.4°F).

  • Average low temperature in August: 62.1°F

The month with the highest average low temperature is July (64.6°F).
The coldest month (with the lowest average low temperature) is January (10.2°F).

Average pressure in August
Alexandria, SD

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

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

Average wind speed in August
Alexandria, SD

Average wind speed in August - Alexandria, SD
  • Average wind speed in August: 8.7mph

The windiest month (with the highest average wind speed) is April (11.2mph).
The calmest month (with the lowest average wind speed) is July (8.6mph).

Average humidity in August
Alexandria, SD

Average humidity in August - Alexandria, SD
  • Average humidity in August: 65%

The month with the highest relative humidity is January (87%).
The months with the lowest relative humidity are September and October (63%).

Average rainfall in August
Alexandria, SD

Average rainfall in August - Alexandria, SD
  • Average rainfall in August: 1.14"

The wettest month (with the highest rainfall) is May (1.65").
The driest months (with the least rainfall) are February and November (0.28").

Average rainfall days in August
Alexandria, SD

Average rainfall days in August - Alexandria, SD
  • Average rainfall days in August: 10.5 days

The month with the highest number of rainy days is June (13.6 days).
The month with the least rainy days is February (1.9 days).

Average snowfall in August
Alexandria, SD

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

The month with the highest snowfall is February (1.42").
The months with the least snowfall are May, June, July, August and September (0").

Average snowfall days in August
Alexandria, SD

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

The month with the highest number of snowfall days is January (8.7 days).
The months with the least snowfall days are June, July, August and September (0 days).

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

Average daylight in August / Average sunshine in August - Alexandria, 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 4min

The month with the most sunshine is July (Average sunshine: 11h and 6min).
The month with the least sunshine is January (Average sunshine: 4h and 24min).

Average sunshine days in August
Alexandria, SD

Average sunshine days in August - Alexandria, SD
  • Average sunshine days in August: 17.3 days

The month with the most sunshine days is November (23.4 days).
The month with the least sunshine days is June (12.8 days).

Average UV index in August
Alexandria, SD

Average UV index in August - Alexandria, SD
  • Average UV index in August: 6

The months with the highest UV index are June, July and August (UV index 6).
The month with the lowest UV index is January (UV index 1).

Average cloud cover in August
Alexandria, SD

Average cloud cover in August - Alexandria, SD
  • Average cloud cover in August: 24

The month with the most cloud cover is January (Cloud cover 52).
The month with the least cloud cover is July (Cloud cover 22).

Average visibility in August
Alexandria, SD

Average visibility in August - Alexandria, 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).

Alexandria, South Dakota, USA

Weather forecast for your location

1. Click Locate me button
2. Allow the app to use your location