August weather forecast
Springfield, SD

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Weather in August

August in Springfield, South Dakota, experiences a slight dip in temperatures from the preceding fiery July, with a comparative moderation in heat. Dusk falls earlier than in July, casting longer shadows as August advances closer to the equinox. Rain showers continue to descend at moderate levels, providing momentary relief from the lingering summer heat. With the progression of the month, signs of the impending autumn emerge as days continue to shorten. By the time September arrives, the mercury starts to descend consistently, signifying summer's departure.

Temperature

With the onset of August, the average high-temperature stands at a moderately hot 85.1°F (29.5°C), closely aligned with July's 86.5°F (30.3°C). The nighttime temperature during August exhibits a clear drop from daytime highs, settling at a comfortable 62.8°F (17.1°C).

Heat index

The average heat index in August is calculated to be a hot 91.4°F (33°C). Undertake extra safety actions, heat cramps and heat exhaustion are expected. Heatstroke may result from lengthy activity.
Metrics for the heat index primarily focus on shaded spots and light wind conditions. Heat index values may rise by up to 15 Fahrenheit (8 Celsius) degrees when exposed to direct sunlight.
Note: The heat index, also known as 'felt air temperature' or 'feels like', is a calculation that merges air temperature and relative humidity to depict the sensation of warmth. Factors such as metabolic variation, pregnancy, and physical activity play a role in one's impression of weather. Should you be directly under the sun, anticipate a possible increase in the heat index by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are highly important for children. Young ones are generally at greater risk than adults due to their limited sweating ability. In addition, their large skin surface relative to their small bodies and higher heat production from their activities add to their vulnerability.

Humidity

In August, the average relative humidity is 65%.

Rainfall

In Springfield, in August, during 11.3 rainfall days, 1.46" (37mm) of precipitation is typically accumulated. In Springfield, during the entire year, the rain falls for 104.1 days and collects up to 14.29" (363mm) of precipitation.

Snowfall

May through September are months without snowfall.

Daylight

In August, the average length of the day is 13h and 52min.
On the first day of the month, sunrise is at 6:23 am and sunset at 8:52 pm. On the last day of August, sunrise is at 6:56 am and sunset at 8:07 pm CDT.

Sunshine

In August, the average sunshine is 10.5h.

UV index

June through August, with an average maximum UV index of 6, are months with the highest UV index. A UV Index estimate of 6 to 7 represents a high health risk from exposure to the Sun's UV radiation for ordinary individuals.
Note: The maximum UV index of 6 during August translates into these guidelines:
Incorporate safeguards and honour sun safety principles. Protection from skin and eye damage is obligatory. Between 10 a.m. and 4 p.m., the Sun emits the most powerful UV radiation. Limit direct exposure to the Sun during these hours. To cut down UV radiation exposure by about half, sport a wide-brim hat.

Frequently asked questions

How hot is it in August?

In August, the average high-temperature and low-temperature are 85.1°F (29.5°C) and 62.8°F (17.1°C) respectively. In August, the average heat index (a.k.a. 'felt air temperature', 'real feel'), which takes the relative humidity and factors it into the air temperature reading, is calculated to be 91.4°F (33°C).

What is the average humidity in August?

The average relative humidity in August is 65%.

How much does it rain in August?

In Springfield, in August, it is raining for 11.3 days, with typically 1.46" (37mm) of accumulated precipitation.

When it does not snow in Springfield?

In Springfield, snow does not fall in May through September.

How many hours of daylight does Springfield have in August?

The average day length in August is 13h and 52min.

When are sunrise and sunset in August?

In August, on the first day of the month, sunrise is at 6:23 am and sunset at 8:52 pm. On the last day of the month, sunrise is at 6:56 am and sunset at 8:07 pm CDT.

How many hours of sunshine does Springfield have in August?

The average sunshine duration in August in Springfield is 10.5h.

What are the months with the highest UV index?

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

What is the UV index intensity in August?

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

Average temperature in August - Springfield, SD
  • Average high temperature in August: 85.1°F

The warmest month (with the highest average high temperature) is July (86.5°F).
The month with the lowest average high temperature is January (27.3°F).

  • Average low temperature in August: 62.8°F

The month with the highest average low temperature is July (65.7°F).
The coldest month (with the lowest average low temperature) is January (13.6°F).

Average pressure in August
Springfield, SD

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

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

Average wind speed in August
Springfield, SD

Average wind speed in August - Springfield, SD
  • Average wind speed in August: 8.5mph

The windiest month (with the highest average wind speed) is April (11.1mph).
The calmest month (with the lowest average wind speed) is July (8.3mph).

Average humidity in August
Springfield, SD

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

The month with the highest relative humidity is January (84%).
The month with the lowest relative humidity is October (62%).

Average rainfall in August
Springfield, SD

Average rainfall in August - Springfield, SD
  • Average rainfall in August: 1.46"

The wettest month (with the highest rainfall) is May (2.72").
The driest month (with the least rainfall) is February (0.31").

Average rainfall days in August
Springfield, SD

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

The month with the highest number of rainy days is May (15.3 days).
The month with the least rainy days is January (2.9 days).

Average snowfall in August
Springfield, SD

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

The months with the highest snowfall are January and March (1.93").
The months with the least snowfall are May, June, July, August and September (0").

Average snowfall days in August
Springfield, SD

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

The month with the highest number of snowfall days is January (8.2 days).
The months with the least snowfall days are May, June, July, August and September (0 days).

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

Average daylight in August / Average sunshine in August - Springfield, SD
  • Average daylight in August: 13h and 5min

The month with the longest days is June (Average daylight: 15h and 18min).
The month with the shortest days is December (Average daylight: 9h and 6min).

  • Average sunshine in August: 10h and 3min

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 42min).

Average sunshine days in August
Springfield, SD

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

The month with the most sunshine days is November (23.4 days).
The month with the least sunshine days is June (12.3 days).

Average UV index in August
Springfield, SD

Average UV index in August - Springfield, 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 2).

Average cloud cover in August
Springfield, SD

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

The month with the most cloud cover is January (Cloud cover 49).
The month with the least cloud cover is July (Cloud cover 23).

Average visibility in August
Springfield, SD

Average visibility in August - Springfield, 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).

Springfield, South Dakota, USA

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