August weather forecast
Britton, SD

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Weather in August

The last month of the summer, August, is also a moderately hot month in Britton, South Dakota, with temperature in the range of an average high of 81.1°F (27.3°C) and an average low of 59.7°F (15.4°C).

Temperature

August's arrival registers an average high-temperature of a still warm 81.1°F (27.3°C), closely aligning with the temperature of the previous month. Britton, during August nights, observes an average temperature of 59.7°F (15.4°C).

Heat index

The heat index value during August is evaluated at 84.2°F (29°C). Continuous exposure and activity could induce a sense of tiredness and subsequently, heat cramps.
Observations indicate that the heat index values are for shady locations with light wind. Heat index values can rise by 15 Fahrenheit (8 Celsius) degrees when in direct sunlight.
Note: The heat index, also known as 'apparent temperature' or 'felt air temperature', evaluates the perceived heat by adding the effect of moisture in the air. The perception of temperature can be subjective, varying based on activity and individual heat sensitivity, influenced by factors like wind, attire, and metabolic variations. Consider the fact that direct sun exposure can influence how hot one feels, potentially raising the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values are largely significant for babies and toddlers. Youngsters frequently overlook the need for breaks and fluid intake. Thirst is an advanced sign of dehydration - thereby highlighting the importance of keeping hydrated, particularly during long physical activities.

Humidity

August and September, with an average relative humidity of 62%, are the least humid months.

Rainfall

In Britton, in August, it is raining for 12 days, with typically 1.77" (45mm) of accumulated precipitation. Throughout the year, there are 109.5 rainfall days, and 20.39" (518mm) of precipitation is accumulated.

Snowfall

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

Daylight

In Britton, the average length of the day in August is 14h and 4min.
On the first day of August, sunrise is at 6:15 am and sunset at 8:59 pm. On the last day of the month, sunrise is at 6:51 am and sunset at 8:10 pm CDT.

Sunshine

The average sunshine in August is 10.7h.

UV index

The average daily maximum UV index in August is 5. A UV Index reading of 3 to 5 represents a moderate health risk from unprotected exposure to Sun's UV rays for the ordinary person.
Note: In August, a daily UV index of 5 turns into the following recommendations:
Act with care - Obligation to protect against skin and eye damage is highlighted. Avoiding direct sunlight during midday hours helps reduce the risk from intense UV radiation. Shield yourself from the harmful effects of UV radiation with sun-protective attire, a hat, and quality sunglasses.
Updated: Jul 22, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What is the temperature in August?

The high-temperature, in August, in Britton, records 81.1°F (27.3°C), while the low-temperature is 59.7°F (15.4°C). The average heat index (a.k.a. 'apparent temperature', 'feels like'), which calculates the temperature value influenced by the moisture in the air, in August is evaluated at 84.2°F (29°C).

What are the least humid months?

The months with the lowest humidity are August and September, with an average relative humidity of 62%.

What is the average humidity in August?

In Britton, the average relative humidity in August is 62%.

How many days does it rain in August?

In Britton, during August, the rain falls for 12 days and regularly aggregates up to 1.77" (45mm) of precipitation.

When it does not snow?

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

What is the average length of the day in August?

The average day length in August in Britton is 14h and 4min.

When are sunrise and sunset in August?

On the first day of August, sunrise is at 6:15 am and sunset at 8:59 pm. On the last day of the month, sunrise is at 6:51 am and sunset at 8:10 pm CDT.

How long on average sun shines in August?

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

What is the UV index reading in August in Britton?

In August, the average daily maximum UV index in Britton is 5. A UV Index estimate of 3 to 5 represents a moderate vulnerability from unsafe 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
Britton, SD

Average temperature in August - Britton, SD
  • Average high temperature in August: 81.1°F

The warmest month (with the highest average high temperature) is July (82°F).
The month with the lowest average high temperature is January (19°F).

  • Average low temperature in August: 59.7°F

The month with the highest average low temperature is July (61.9°F).
The coldest month (with the lowest average low temperature) is January (5.4°F).

Average pressure in August
Britton, SD

Average pressure in August - Britton, SD
  • Average pressure in August: 29.91"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
Britton, SD

Average wind speed in August - Britton, SD
  • Average wind speed in August: 8.2mph

The windiest month (with the highest average wind speed) is October (10.8mph).
The calmest month (with the lowest average wind speed) is July (8.1mph).

Average humidity in August
Britton, SD

Average humidity in August - Britton, SD
  • Average humidity in August: 62%

The month with the highest relative humidity is January (90%).
The months with the lowest relative humidity are August and September (62%).

Average rainfall in August
Britton, SD

Average rainfall in August - Britton, SD
  • Average rainfall in August: 1.77"

The wettest month (with the highest rainfall) is June (3.62").
The driest month (with the least rainfall) is January (0.63").

Average rainfall days in August
Britton, SD

Average rainfall days in August - Britton, SD
  • Average rainfall days in August: 12 days

The month with the highest number of rainy days is June (16.8 days).
The month with the least rainy days is February (2.4 days).

Average snowfall in August
Britton, SD

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

The month with the highest snowfall is December (4.61").
The months with the least snowfall are June, July, August and September (0").

Average snowfall days in August
Britton, SD

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

The month with the highest number of snowfall days is January (15.3 days).
The months with the least snowfall days are June, July, August and September (0 days).

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

Average daylight in August / Average sunshine in August - Britton, SD
  • Average daylight in August: 14h and 1min

The month with the longest days is June (Average daylight: 15h and 42min).
The month with the shortest days is December (Average daylight: 8h and 42min).

  • Average sunshine in August: 10h and 4min

The month with the most sunshine is July (Average sunshine: 11h and 0min).
The month with the least sunshine is January (Average sunshine: 3h and 42min).

Average sunshine days in August
Britton, SD

Average sunshine days in August - Britton, SD
  • Average sunshine days in August: 15.4 days

The month with the most sunshine days is November (19.8 days).
The month with the least sunshine days is June (10.3 days).

Average UV index in August
Britton, SD

Average UV index in August - Britton, 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 and November (UV index 1).

Average cloud cover in August
Britton, SD

Average cloud cover in August - Britton, SD
  • Average cloud cover in August: 23

The month with the most cloud cover is January (Cloud cover 60).
The month with the least cloud cover is August (Cloud cover 23).

Average visibility in August
Britton, SD

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

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

Britton, South Dakota, USA

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