August weather forecast
Hosmer, SD

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Weather in August

August, the last month of the summer in Hosmer, is another warm month, with an average temperature fluctuating between 63°F (17.2°C) and 83.8°F (28.8°C).

Temperature

In August, Hosmer's weather conditions record an average high-temperature of a still moderately hot 83.8°F (28.8°C), demonstrating little divergence from the preceding month. In August, the recorded average low-temperature is an enjoyable 63°F (17.2°C).

Heat index

For most parts of August, the heat index is calculated to be a tropical 86°F (30°C). Persisting in activity during exposure could lead to weariness and subsequently to heat cramps.
One should consider that heat index numbers are for shaded settings and light wind. Exposure to unobstructed sunshine could lead to an increase in the heat index by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'feels like' or 'felt air temperature', is the result of factoring in humidity to the air temperature, indicating perceived warmth. This effect is personal, shaped by the individual's physical activity and heat sensitivity, influenced by factors including wind, clothing, and metabolic variances. Direct sun exposure is noteworthy in its ability to escalate the felt temperature, potentially adding 15 Fahrenheit (8 Celsius) degrees to the heat index. Heat index values hold particular importance for children. Youngsters generally face more threats than adults given their lesser ability to sweat. Coupled with their larger skin surface relative to their small bodies and higher heat production due to their activities, they are more endangered.

Humidity

The months with the lowest humidity in Hosmer are August and September, with an average relative humidity of 56%.

Rainfall

In August, the rain falls for 11.3 days. Throughout August, 1.42" (36mm) of precipitation is accumulated. Throughout the year, in Hosmer, there are 97.8 rainfall days, and 16.65" (423mm) of precipitation is accumulated.

Snowfall

June through September are months without snowfall in Hosmer.

Daylight

In August, the average length of the day in Hosmer is 14h and 4min.
On the first day of August in Hosmer, sunrise is at 6:22 am and sunset at 9:05 pm. On the last day of the month, sunrise is at 6:58 am and sunset at 8:16 pm CDT.

Sunshine

In August, the average sunshine in Hosmer is 10.7h.

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 threat to health from unsafe exposure to UV radiation for the ordinary person.
Note: The average daily UV index of 6 in August transforms into the following instructions:
Incorporate safeguards and honour sun safety principles. Protection from skin and eye damage is obligatory. It's important to stay in the shade and limit exposure to the sun from 10 a.m. to 4 p.m., when UV radiation is most intense, although remember that shade structures may not provide full sun protection. A wide-brim hat offers excellent sun protection for the eyes, ears, face, and neck. Sunglasses with UVA and UVB protection significantly reduce eye damage from sun exposure.
Updated: Feb 14, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

How hot is it in Hosmer in August?

The high-temperature in Hosmer during August is 83.8°F (28.8°C) and the low-temperature is 63°F (17.2°C). The average heat index (a.k.a. 'felt air temperature', 'apparent temperature'), which calculates the temperature value influenced by the moisture in the air, in August is calculated to be 86°F (30°C).

What is the least humid month in Hosmer?

The months with the lowest humidity are August and September, with an average relative humidity of 56%.

What is the average humidity in August in Hosmer?

In Hosmer, the average relative humidity in August is 56%.

How many days does it rain in August in Hosmer?

In August, in Hosmer, South Dakota, the rain falls for 11.3 days. Throughout August, 1.42" (36mm) of precipitation is accumulated.

When it does not snow in Hosmer?

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

How many hours of daylight does Hosmer have in August?

The average day length in August in Hosmer, South Dakota, is 14h and 4min.

When is the sunrise / sunset in August in Hosmer?

On the first day of August, sunrise is at 6:22 am and sunset at 9:05 pm. On the last day of the month, sunrise is at 6:58 am and sunset at 8:16 pm CDT.

How many hours of sunshine does Hosmer have in August?

In Hosmer, the average sunshine duration in August is 10.7h.

When is the highest UV index in Hosmer?

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

How high is the UV index in August in Hosmer?

In August, the average daily maximum UV index is 6. A UV Index of 6 to 7 symbolizes a high health risk from unprotected exposure to 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
Hosmer, SD

Average temperature in August - Hosmer, SD
  • Average high temperature in August: 83.8°F

The warmest month (with the highest average high temperature) is July (85.8°F).
The month with the lowest average high temperature is January (22.6°F).

  • Average low temperature in August: 63°F

The month with the highest average low temperature is July (64.9°F).
The coldest month (with the lowest average low temperature) is January (9.1°F).

Average pressure in August
Hosmer, SD

Average pressure in August - Hosmer, 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).

Average wind speed in August
Hosmer, SD

Average wind speed in August - Hosmer, SD
  • Average wind speed in August: 9.7mph

The windiest month (with the highest average wind speed) is April (11.8mph).
The calmest month (with the lowest average wind speed) is August (9.7mph).

Average humidity in August
Hosmer, SD

Average humidity in August - Hosmer, SD
  • Average humidity in August: 56%

The month with the highest relative humidity is January (88%).
The months with the lowest relative humidity are August and September (56%).

Average rainfall in August
Hosmer, SD

Average rainfall in August - Hosmer, SD
  • Average rainfall in August: 1.42"

The wettest month (with the highest rainfall) is June (2.8").
The driest month (with the least rainfall) is January (0.55").

Average rainfall days in August
Hosmer, SD

Average rainfall days in August - Hosmer, SD
  • Average rainfall days in August: 11.3 days

The month with the highest number of rainy days is June (14.4 days).
The month with the least rainy days is February (1.9 days).

Average snowfall in August
Hosmer, SD

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

The month with the highest snowfall is February (5.04").
The months with the least snowfall are June, July, August and September (0").

Average snowfall days in August
Hosmer, SD

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

The month with the highest number of snowfall days is January (12.8 days).
The months with the least snowfall days are June, July, August and September (0 days).

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

Average daylight in August / Average sunshine in August - Hosmer, 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: 10h and 4min

The month with the most sunshine is July (Average sunshine: 11h and 12min).
The month with the least sunshine is January (Average sunshine: 3h and 54min).

Average sunshine days in August
Hosmer, SD

Average sunshine days in August - Hosmer, SD
  • Average sunshine days in August: 16.7 days

The month with the most sunshine days is November (21.1 days).
The month with the least sunshine days is June (13.1 days).

Average UV index in August
Hosmer, SD

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

Average cloud cover in August
Hosmer, SD

Average cloud cover in August - Hosmer, SD
  • Average cloud cover in August: 22

The month with the most cloud cover is January (Cloud cover 58).
The months with the least cloud cover are July and August (Cloud cover 22).

Average visibility in August
Hosmer, SD

Average visibility in August - Hosmer, 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).

Hosmer, South Dakota, USA

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