August weather forecast
McCallsburg, IA

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Weather in August

August, the last month of the summer in McCallsburg, is another warm month, with an average temperature fluctuating between 79.3°F (26.3°C) and 61.3°F (16.3°C).

Temperature

The shift into August reveals an average high-temperature of a still warm 79.3°F (26.3°C), closely mirroring July's climate. In the month of August, McCallsburg records a consistent average low-temperature of 61.3°F (16.3°C).

Humidity

The average relative humidity in August is 81%.

Rainfall

In McCallsburg, during August, the rain falls for 14.3 days and regularly aggregates up to 2.68" (68mm) of precipitation. In McCallsburg, during the entire year, the rain falls for 143.3 days and collects up to 29.25" (743mm) of precipitation.

Snowfall

June through September are months without snowfall.

Daylight

The average length of the day in August in McCallsburg is 13h and 50min.
On the first day of the month, sunrise is at 6:07 am and sunset at 8:32 pm. On the last day of August, sunrise is at 6:38 am and sunset at 7:48 pm CDT.

Sunshine

The average sunshine in August is 9.7h.

UV index

The average daily maximum UV index in August is 5. A UV Index estimate of 3 to 5 represents a medium health hazard from exposure to the Sun's UV radiation for the ordinary person.
Note: An average maximum UV index of 5 in August leads to these recommendations:
Make use of precautions - It is urged to ward off sun damage. Stay safe from the Sun's strongest UV rays by limiting exposure during midday. On days when the sun blazes, arm yourself with sunglasses that block UVA and UVB radiation.
Updated: Jun 18, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What is the usual temperature for McCallsburg in August?

In McCallsburg, in August, the average high-temperature is 79.3°F (26.3°C), and the average low-temperature is 61.3°F (16.3°C). The average heat index (a.k.a. 'feels like', 'felt air temperature'), which combines air temperature and relative humidity, in July is computed to be 87.8°F (31°C).

What is the average humidity in August?

The average relative humidity in August is 81%.

How much does it rain in August?

In McCallsburg, in August, it is raining for 14.3 days, with typically 2.68" (68mm) of accumulated precipitation.

When it does not snow?

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

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

In August, the average day length in McCallsburg, Iowa, is 13h and 50min.

When are sunrise and sunset in August?

In August, on the first day of the month, sunrise is at 6:07 am and sunset at 8:32 pm. On the last day of the month, sunrise is at 6:38 am and sunset at 7:48 pm CDT.

How many hours of sunshine does McCallsburg have in August?

In McCallsburg, the average sunshine duration in August is 9.7h.

What is the UV index intensity in August?

The average daily maximum UV index in August is 5. A UV Index estimate of 3 to 5 represents a medium 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
McCallsburg, IA

Average temperature in August - McCallsburg, IA
  • Average high temperature in August: 79.3°F

The warmest month (with the highest average high temperature) is July (81.1°F).
The month with the lowest average high temperature is January (25.5°F).

  • Average low temperature in August: 61.3°F

The month with the highest average low temperature is July (64.2°F).
The coldest month (with the lowest average low temperature) is January (12.9°F).

Average pressure in August
McCallsburg, IA

Average pressure in August - McCallsburg, 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 (29.88"Hg).

Average wind speed in August
McCallsburg, IA

Average wind speed in August - McCallsburg, IA
  • Average wind speed in August: 7.1mph

The windiest month (with the highest average wind speed) is April (10.8mph).
The calmest months (with the lowest average wind speed) are July and August (7.1mph).

Average humidity in August
McCallsburg, IA

Average humidity in August - McCallsburg, IA
  • Average humidity in August: 81%

The month with the highest relative humidity is January (85%).
The month with the lowest relative humidity is October (70%).

Average rainfall in August
McCallsburg, IA

Average rainfall in August - McCallsburg, IA
  • Average rainfall in August: 2.68"

The wettest month (with the highest rainfall) is May (4.49").
The driest month (with the least rainfall) is January (0.98").

Average rainfall days in August
McCallsburg, IA

Average rainfall days in August - McCallsburg, IA
  • Average rainfall days in August: 14.3 days

The months with the highest number of rainy days are May and June (19.2 days).
The month with the least rainy days is February (4.4 days).

Average snowfall in August
McCallsburg, IA

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

The month with the highest snowfall is February (4.45").
The months with the least snowfall are June, July, August and September (0").

Average snowfall days in August
McCallsburg, IA

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

The month with the highest number of snowfall days is January (12.5 days).
The months with the least snowfall days are June, July, August and September (0 days).

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

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

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

  • Average sunshine in August: 9h and 4min

The month with the most sunshine is July (Average sunshine: 10h and 6min).
The month with the least sunshine is January (Average sunshine: 3h and 54min).

Average sunshine days in August
McCallsburg, IA

Average sunshine days in August - McCallsburg, IA
  • Average sunshine days in August: 13.8 days

The month with the most sunshine days is November (17.5 days).
The month with the least sunshine days is June (8.5 days).

Average UV index in August
McCallsburg, IA

Average UV index in August - McCallsburg, 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
McCallsburg, IA

Average cloud cover in August - McCallsburg, IA
  • Average cloud cover in August: 32

The month with the most cloud cover is January (Cloud cover 57).
The month with the least cloud cover is September (Cloud cover 31).

Average visibility in August
McCallsburg, IA

Average visibility in August - McCallsburg, IA
  • Average visibility in August: 5mi

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

McCallsburg, Iowa, USA

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