August weather forecast
Rochford, SD

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Weather in August

The weather in August in Rochford can be best described as a summer retreat. Although the weather remains warm, it is less intense than July's heat. Sunshine dominates most of August days, but a slight dip from the highest temperature of 81.9°F (27.7°C) witnessed in July, to 80.1°F (26.7°C), marks the start of a cooler trend. With a comfortable climate and long daylight hours, August offers numerous opportunities for outdoor recreational activities. As the summer starts winding down, the city whispers the first hints of the arrival of fall.

Temperature

During August, Rochford observes a subtle ascent to a still warm 80.1°F (26.7°C) from July's 81.9°F (27.7°C) in the average high-temperature. A sharp divergence from daytime highs is noted in Rochford during the month of August, with the average nighttime temperature settling at a mild 58.5°F (14.7°C).

Humidity

The months with the lowest humidity in Rochford are August and September, with an average relative humidity of 51%.

Rainfall

In Rochford, in August, during 12.2 rainfall days, 1.5" (38mm) of precipitation is typically accumulated. In Rochford, during the entire year, the rain falls for 96.1 days and collects up to 14.02" (356mm) of precipitation.

Snowfall

July and August are months without snowfall in Rochford.

Daylight

In Rochford, the average length of the day in August is 13h and 58min.
On the first day of August in Rochford, sunrise is at 5:43 am and sunset at 8:18 pm. On the last day of the month, sunrise is at 6:17 am and sunset at 7:32 pm MDT.

Sunshine

With an average of 11.7h of sunshine, August has the most sunshine of the year in Rochford.

UV index

The average daily maximum UV index in August in Rochford is 5. A UV Index estimate of 3 to 5 represents a moderate health risk from unprotected exposure to Sun's UV rays for the ordinary person.
Note: In August, the UV index of 5 transforms into the following advice:
Act with care - The suggestion to avoid sunburn is emphasized. Considering the strength of solar radiation at midday, one should avoid direct Sun exposure. Sun-protective clothing, a long-sleeved shirt and pants, a wide-brimmed hat, and UVA and UVB-blocking sunglasses are particularly helpful in blocking UV radiation's harmful effects.
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Frequently asked questions

What is the average August temperature in Rochford?

In Rochford, in August, the average high-temperature is 80.1°F (26.7°C), and the average low-temperature is 58.5°F (14.7°C). In July, the average heat index (a.k.a. 'felt air temperature', 'apparent temperature'), which calculates the temperature value influenced by the moisture in the air, is computed to be 82.4°F (28°C).

What is the least humid month in Rochford?

The months with the lowest humidity in Rochford, South Dakota, are August and September, with an average relative humidity of 51%.

What is the average humidity in August in Rochford?

The average relative humidity in August in Rochford, South Dakota, is 51%.

How much does it rain in Rochford in August?

In August, in Rochford, South Dakota, the rain falls for 12.2 days. Throughout August, 1.5" (38mm) of precipitation is accumulated.

When it does not snow in Rochford?

July and August are months without snowfall in Rochford, South Dakota.

Does it snow in Rochford in August?

In Rochford, in August, it doesn't snow. In September, it regularly snows.

What is the average length of the day in August in Rochford?

The average day length in August in Rochford, South Dakota, is 13h and 58min.

When is the sunrise / sunset in August in Rochford?

On the first day of August in Rochford, South Dakota, sunrise is at 5:43 am and sunset at 8:18 pm. On the last day of the month, sunrise is at 6:17 am and sunset at 7:32 pm MDT.

What month has the most sunshine in Rochford?

The month with the most sunshine in Rochford is August, with an average of 11.7h of sunshine.

How many hours of sunshine does Rochford have in August?

In Rochford, the average sunshine duration in August is 11.7h.

How high is the UV index in August in Rochford?

In August, the average daily maximum UV index in Rochford, South Dakota, is 5. A UV Index estimate of 3 to 5 represents a moderate 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
Rochford, SD

Average temperature in August - Rochford, SD
  • Average high temperature in August: 80.1°F

The warmest month (with the highest average high temperature) is July (81.9°F).
The month with the lowest average high temperature is December (29.7°F).

  • Average low temperature in August: 58.5°F

The month with the highest average low temperature is July (60.4°F).
The coldest month (with the lowest average low temperature) is February (15.4°F).

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Average pressure in August
Rochford, SD

Average pressure in August - Rochford, SD
  • Average pressure in August: 29.89"Hg

The month with the highest atmospheric pressure is January (30.14"Hg).
The month with the lowest atmospheric pressure is June (29.84"Hg).

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Average wind speed in August
Rochford, SD

Average wind speed in August - Rochford, SD
  • Average wind speed in August: 7.6mph

The windiest month (with the highest average wind speed) is October (9.9mph).
The calmest month (with the lowest average wind speed) is August (7.6mph).

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Average humidity in August
Rochford, SD

Average humidity in August - Rochford, SD
  • Average humidity in August: 51%

The months with the highest relative humidity are January and February (79%).
The months with the lowest relative humidity are August and September (51%).

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Average rainfall in August
Rochford, SD

Average rainfall in August - Rochford, SD
  • Average rainfall in August: 1.5"

The wettest month (with the highest rainfall) is May (1.93").
The driest month (with the least rainfall) is January (0.55").

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Average rainfall days in August
Rochford, SD

Average rainfall days in August - Rochford, SD
  • Average rainfall days in August: 12.2 days

The month with the highest number of rainy days is June (14.2 days).
The month with the least rainy days is November (2.7 days).

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Average snowfall in August
Rochford, SD

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

The month with the highest snowfall is April (6.54").
The months with the least snowfall are July and August (0").

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Average snowfall days in August
Rochford, SD

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

The month with the highest number of snowfall days is January (11.7 days).
The months with the least snowfall days are July and August (0 days).

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

Average daylight in August / Average sunshine in August - Rochford, SD
  • Average daylight in August: 14h and 0min

The month with the longest days is June (Average daylight: 15h and 24min).
The month with the shortest days is December (Average daylight: 8h and 54min).

  • Average sunshine in August: 11h and 4min

The month with the most sunshine is August (Average sunshine: 11h and 42min).
The month with the least sunshine is February (Average sunshine: 5h and 54min).

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Average sunshine days in August
Rochford, SD

Average sunshine days in August - Rochford, SD
  • Average sunshine days in August: 13.2 days

The month with the most sunshine days is November (20.5 days).
The month with the least sunshine days is June (12.3 days).

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Average UV index in August
Rochford, SD

Average UV index in August - Rochford, SD
  • Average UV index in August: 5

The month with the highest UV index is July (UV index 6).
The months with the lowest UV index are January, February, March, October, November and December (UV index 2).

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Average cloud cover in August
Rochford, SD

Average cloud cover in August - Rochford, SD
  • Average cloud cover in August: 16

The months with the most cloud cover are February and April (Cloud cover 40).
The month with the least cloud cover is August (Cloud cover 16).

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Average visibility in August
Rochford, SD

Average visibility in August - Rochford, 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).

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Rochford, South Dakota, USA

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