August weather forecast
Keswick, IA

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Weather in August

The last month of the summer, August, is another warm month in Keswick, Iowa, with temperature in the range of an average low of 62.8°F (17.1°C) and an average high of 81.1°F (27.3°C).

Temperature

Keswick's August reports an average high-temperature of a still warm 81.1°F (27.3°C), exhibiting a minor difference from July. Keswick observes an average nighttime temperature of 62.8°F (17.1°C) during August.

Heat index

August's heat index is appraised at a hot 86°F (30°C). Exhaustion becomes probable with enduring exposure and activity, potentially causing heat cramps.
Be aware that heat index ratings are designed for shaded locations and minor breezes. Direct exposure to sunshine could lead to a heat index increase by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'apparent temperature' or 'felt air temperature', integrates the air's temperature and its humidity to showcase the felt temperature by people. An individual's perception of weather can be swayed by a variety of elements including metabolic differences, pregnancy status, and their level of physical exertion. 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 especially vital to children. Youngsters often neglect the necessity for rest and hydration. Thirst is a sign of advancing dehydration - thus the importance of maintaining hydration, specifically during long-lasting physical activities.

Humidity

In August, the average relative humidity is 79%.

Rainfall

In Keswick, during August, the rain falls for 12.3 days and regularly aggregates up to 2.24" (57mm) of precipitation. In Keswick, during the entire year, the rain falls for 137.9 days and collects up to 27.76" (705mm) of precipitation.

Snowfall

June through September are months without snowfall.

Daylight

In Keswick, the average length of the day in August is 13h and 47min.
On the first day of the month, sunrise is at 6:04 am and sunset at 8:25 pm. On the last day of August, sunrise is at 6:34 am and sunset at 7:43 pm CDT.

Sunshine

The average sunshine in August is 9.9h.

UV index

In August, the average daily maximum UV index is 5. A UV Index reading of 3 to 5 represents a moderate threat to health from unsafe exposure to UV radiation for the ordinary person.
Note: In August, the maximum UV index of 5 translates into these guidelines:
Ensure safety - Imperative it is to shield skin and eyes from damage. The Sun's most harmful UV rays are emitted around midday; avoid staying outdoors for long during this time. During bright days, sunglasses that offer UVA and UVB defense are recommended.
Updated: Jul 31, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What is the average August temperature?

The average high-temperature, in August, in Keswick, is 81.1°F (27.3°C), while the average low-temperature is 62.8°F (17.1°C). The average heat index (a.k.a. 'apparent temperature', 'feels like'), which combines relative humidity and air temperature, in August is appraised at 86°F (30°C).

What is the average humidity in August?

The average relative humidity in August is 79%.

How many days does it rain in August?

In Keswick, Iowa, in August, it is raining for 12.3 days, with typically 2.24" (57mm) of accumulated precipitation.

When it does not snow?

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

How many hours of daylight does Keswick have in August?

The average day length in August is 13h and 47min.

When is the sunrise / sunset in August?

In August, on the first day of the month, sunrise is at 6:04 am and sunset at 8:25 pm. On the last day of the month, sunrise is at 6:34 am and sunset at 7:43 pm CDT.

How long on average sun shines in August?

The average sunshine duration in August is 9.9h.

What is the UV index reading in August?

In Keswick, the average daily maximum UV index in August is 5. A UV Index value of 3 to 5 symbolizes a medium hazard to health 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
Keswick, IA

Average temperature in August - Keswick, IA
  • 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 (28.6°F).

  • Average low temperature in August: 62.8°F

The month with the highest average low temperature is July (65.1°F).
The coldest month (with the lowest average low temperature) is January (15.6°F).

Average pressure in August
Keswick, IA

Average pressure in August - Keswick, IA
  • Average pressure in August: 29.97"Hg

The month with the highest atmospheric pressure is January (30.15"Hg).
The month with the lowest atmospheric pressure is June (29.89"Hg).

Average wind speed in August
Keswick, IA

Average wind speed in August - Keswick, IA
  • Average wind speed in August: 6.9mph

The windiest month (with the highest average wind speed) is January (10.7mph).
The calmest month (with the lowest average wind speed) is August (6.9mph).

Average humidity in August
Keswick, IA

Average humidity in August - Keswick, IA
  • Average humidity in August: 79%

The month with the highest relative humidity is July (83%).
The month with the lowest relative humidity is October (72%).

Average rainfall in August
Keswick, IA

Average rainfall in August - Keswick, IA
  • Average rainfall in August: 2.24"

The wettest month (with the highest rainfall) is May (4.17").
The driest month (with the least rainfall) is February (0.98").

Average rainfall days in August
Keswick, IA

Average rainfall days in August - Keswick, IA
  • Average rainfall days in August: 12.3 days

The month with the highest number of rainy days is May (17.7 days).
The month with the least rainy days is February (4.9 days).

Average snowfall in August
Keswick, IA

Average snowfall in August - Keswick, IA
  • Average snowfall in August: 0"

The month with the highest snowfall is January (4.06").
The months with the least snowfall are June, July, August and September (0").

Average snowfall days in August
Keswick, IA

Average snowfall days in August - Keswick, IA
  • Average snowfall days in August: 0 days

The month with the highest number of snowfall days is January (9.5 days).
The months with the least snowfall days are June, July, August and September (0 days).

Average daylight in August /
Average sunshine in August
Keswick, IA

Average daylight in August / Average sunshine in August - Keswick, IA
  • Average daylight in August: 13h and 5min

The month with the longest days is June (Average daylight: 15h and 6min).
The month with the shortest days is December (Average daylight: 9h and 12min).

  • Average sunshine in August: 9h and 5min

The month with the most sunshine is July (Average sunshine: 10h and 18min).
The month with the least sunshine is January (Average sunshine: 4h and 12min).

Average sunshine days in August
Keswick, IA

Average sunshine days in August - Keswick, IA
  • Average sunshine days in August: 15.5 days

The month with the most sunshine days is December (19.1 days).
The month with the least sunshine days is June (10.3 days).

Average UV index in August
Keswick, IA

Average UV index in August - Keswick, IA
  • 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, February, October, November and December (UV index 2).

Average cloud cover in August
Keswick, IA

Average cloud cover in August - Keswick, IA
  • Average cloud cover in August: 29

The month with the most cloud cover is January (Cloud cover 55).
The months with the least cloud cover are August and September (Cloud cover 29).

Average visibility in August
Keswick, IA

Average visibility in August - Keswick, IA
  • Average visibility in August: 6mi

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

Keswick, Iowa, USA

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