August weather forecast
Trail City, SD

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Weather in August

August, the last month of the summer in Trail City, is another warm month, with an average temperature varying between 84.2°F (29°C) and 63.3°F (17.4°C).

Temperature

August reports an average high-temperature of a warm 84.2°F (29°C), slightly varied from July's 86.4°F (30.2°C). Trail City records a mean low-temperature of 63.3°F (17.4°C) in August.

Heat index

The heat index value for August is appraised at a hot 86°F (30°C). Staying active during long-term exposure might result in a state of exhaustion and cause heat cramps.
It is important to note that the heat index values are for shaded areas and light wind scenarios. The heat index can potentially augment by 15 Fahrenheit (8 Celsius) degrees due to direct sunlight.
Note: The heat index, also known as 'apparent temperature' or 'real feel', is an amalgamation of air temperature and humidity to express the equivalent perceived temperature. The influence of weather is personal, with varied individuals experiencing it differently due to differences in body mass, stature, and physical exertion levels. Consider the sun's direct rays and their impact; they can potentially increase the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values are essentially critical for children. 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

With an average relative humidity of 52%, August is the least humid month.

Rainfall

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

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 5:27 am and sunset at 8:10 pm. On the last day of August, sunrise is at 6:04 am and sunset at 7:21 pm MDT.

Sunshine

The average sunshine in August in Trail City is 10.9h.

UV index

The months with the highest UV index in Trail City, South Dakota, are June through August, with an average maximum UV index of 6. A UV Index estimate of 6 to 7 represents a high health hazard from exposure to the Sun's UV radiation for average individuals.
Note: The maximum daily UV index of 6 during August translates into the following directions:
Refrain from overexposure. Fair-skinned individuals could burn in under 20 minutes. Between 10 a.m. and 4 p.m., UV radiation is strongest. Make an effort to avoid direct sunlight during this time, remembering 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

Is it hot in Trail City during August?

The average high-temperature, in August, in Trail City, is 84.2°F (29°C), while the average low-temperature is 63.3°F (17.4°C). 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, in August is appraised at 86°F (30°C).

What is the least humid month in Trail City?

August is the least humid month in Trail City, with an average relative humidity of 52%.

What is the average humidity in August in Trail City?

In Trail City, South Dakota, the average relative humidity in August is 52%.

How many days does it rain in August in Trail City?

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

When it does not snow in Trail City?

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

How many hours of daylight does Trail City have in August?

In Trail City, the average day length in August is 14h and 3min.

What time are sunrise and sunset in August in Trail City?

In August, on the first day of the month, sunrise is at 5:27 am and sunset at 8:10 pm. On the last day of the month, in Trail City, sunrise is at 6:04 am and sunset at 7:21 pm MDT.

How many hours of sunshine does Trail City have in August?

In Trail City, South Dakota, the average sunshine duration in August is 10.9h.

What is the month with the highest UV index in Trail City?

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

How high is the UV index in August in Trail City?

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

Average temperature in August - Trail City, 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).

Average pressure in August
Trail City, SD

Average pressure in August - Trail City, 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
Trail City, SD

Average wind speed in August - Trail City, 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).

Average humidity in August
Trail City, SD

Average humidity in August - Trail City, 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%).

Average rainfall in August
Trail City, SD

Average rainfall in August - Trail City, 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").

Average rainfall days in August
Trail City, SD

Average rainfall days in August - Trail City, 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).

Average snowfall in August
Trail City, SD

Average snowfall in August - Trail City, 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").

Average snowfall days in August
Trail City, SD

Average snowfall days in August - Trail City, 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).

Average daylight in August /
Average sunshine in August
Trail City, SD

Average daylight in August / Average sunshine in August - Trail City, 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 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).

Average sunshine days in August
Trail City, SD

Average sunshine days in August - Trail City, 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).

Average UV index in August
Trail City, SD

Average UV index in August - Trail City, 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).

Average cloud cover in August
Trail City, SD

Average cloud cover in August - Trail City, 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).

Average visibility in August
Trail City, SD

Average visibility in August - Trail City, 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).

Trail City, South Dakota, USA

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