August weather forecast
Dow City, IA

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Weather in August

The last month of the summer, August, is another warm month in Dow City, Iowa, with an average temperature varying between 79.7°F (26.5°C) and 61.7°F (16.5°C).

Temperature

Dow City's average high-temperature marks a still warm 79.7°F (26.5°C) with the advent of August, closely mirroring that of the preceding month. The average temperature during August nights is registered at a refreshing 61.7°F (16.5°C).

Humidity

In Dow City, the average relative humidity in August is 80%.

Rainfall

In August, the rain falls for 13.7 days. Throughout August, 2.6" (66mm) of precipitation is accumulated. In Dow City, during the entire year, the rain falls for 123 days and collects up to 24.72" (628mm) of precipitation.

Snowfall

In Dow City, snow does not fall in June through September.

Daylight

In Dow City, the average length of the day in August is 13h and 49min.
On the first day of the month, sunrise is at 6:16 am and sunset at 8:40 pm. On the last day of August, sunrise is at 6:47 am and sunset at 7:56 pm CDT.

Sunshine

In August, the average sunshine is 9.5h.

UV index

In August, the average daily maximum UV index is 5. A UV Index value of 3 to 5 symbolizes a moderate health risk from unprotected exposure to Sun's UV rays for the average person.
Note: A daily high UV index of 5 in August leads to these guidelines:
Act with care - The suggestion to avoid sunburn is emphasized. The midday Sun can be harmful due to its potent UV radiation; seek shade and reduce exposure. Sunglasses that ward off UVA and UVB rays play a pivotal role in reducing solar eye damage.
Updated: Jun 24, 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 during August is 79.7°F (26.5°C) and the low-temperature is 61.7°F (16.5°C). In July, the average heat index (a.k.a. 'felt air temperature', 'real feel'), which calculates the temperature value influenced by the moisture in the air, is calculated to be 87.8°F (31°C).

What is the average humidity in August?

In Dow City, the average relative humidity in August is 80%.

How many days does it rain in August?

In Dow City, during August, the rain falls for 13.7 days and regularly aggregates up to 2.6" (66mm) of precipitation.

When it does not snow?

June through September are months without snowfall.

What is the average length of the day in August?

In Dow City, the average day length in August is 13h and 49min.

When are sunrise and sunset in August in Dow City?

In August, on the first day of the month, sunrise is at 6:16 am and sunset at 8:40 pm. On the last day of the month, sunrise is at 6:47 am and sunset at 7:56 pm CDT.

How long on average sun shines in August?

In August, the average sunshine duration is 9.5h.

What is the UV index intensity in August?

In Dow City, the average daily maximum UV index in August is 5. A UV Index value of 3 to 5 symbolizes 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
Dow City, IA

Average temperature in August - Dow City, IA
  • Average high temperature in August: 79.7°F

The warmest month (with the highest average high temperature) is July (81.7°F).
The month with the lowest average high temperature is January (27°F).

  • Average low temperature in August: 61.7°F

The month with the highest average low temperature is July (64.8°F).
The coldest month (with the lowest average low temperature) is January (14°F).

Average pressure in August
Dow City, IA

Average pressure in August - Dow City, IA
  • Average pressure in August: 29.96"Hg

The month with the highest atmospheric pressure is January (30.16"Hg).
The month with the lowest atmospheric pressure is June (29.87"Hg).

Average wind speed in August
Dow City, IA

Average wind speed in August - Dow City, IA
  • Average wind speed in August: 7.6mph

The windiest month (with the highest average wind speed) is April (11.1mph).
The calmest month (with the lowest average wind speed) is July (7.4mph).

Average humidity in August
Dow City, IA

Average humidity in August - Dow City, IA
  • Average humidity in August: 80%

The month with the highest relative humidity is January (83%).
The months with the lowest relative humidity are April and October (68%).

Average rainfall in August
Dow City, IA

Average rainfall in August - Dow City, IA
  • Average rainfall in August: 2.6"

The wettest month (with the highest rainfall) is May (3.82").
The driest month (with the least rainfall) is January (0.71").

Average rainfall days in August
Dow City, IA

Average rainfall days in August - Dow City, IA
  • Average rainfall days in August: 13.7 days

The month with the highest number of rainy days is June (16.5 days).
The month with the least rainy days is February (3 days).

Average snowfall in August
Dow City, IA

Average snowfall in August - Dow City, IA
  • Average snowfall in August: 0"

The month with the highest snowfall is February (3.43").
The months with the least snowfall are June, July, August and September (0").

Average snowfall days in August
Dow City, IA

Average snowfall days in August - Dow City, IA
  • Average snowfall days in August: 0 days

The month with the highest number of snowfall days is January (10.2 days).
The months with the least snowfall days are June, July, August and September (0 days).

Average daylight in August /
Average sunshine in August
Dow City, IA

Average daylight in August / Average sunshine in August - Dow City, 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 3min

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
Dow City, IA

Average sunshine days in August - Dow City, IA
  • Average sunshine days in August: 15 days

The month with the most sunshine days is November (20.4 days).
The month with the least sunshine days is June (11.9 days).

Average UV index in August
Dow City, IA

Average UV index in August - Dow City, IA
  • Average UV index in August: 5

The months with the highest UV index are June and July (UV index 6).
The month with the lowest UV index is February (UV index 1).

Average cloud cover in August
Dow City, IA

Average cloud cover in August - Dow City, IA
  • Average cloud cover in August: 32

The month with the most cloud cover is January (Cloud cover 55).
The month with the least cloud cover is July (Cloud cover 28).

Average visibility in August
Dow City, IA

Average visibility in August - Dow City, IA
  • 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).

Dow City, Iowa, USA

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