August weather forecast
Dundee, IA

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Weather in August

August, the last month of the summer in Dundee, is another warm month, with an average temperature fluctuating between 60.1°F (15.6°C) and 77.7°F (25.4°C).

Temperature

Dundee's August showcases an average high-temperature of a still moderately hot 77.7°F (25.4°C), hardly distinct from July's 79.2°F (26.2°C). In August, Dundee reports a consistent average low-temperature of 60.1°F (15.6°C) during the nights.

Humidity

In August, the average relative humidity is 82%.

Rainfall

In Dundee, in August, it is raining for 14.1 days, with typically 2.2" (56mm) of accumulated precipitation. Throughout the year, there are 142.8 rainfall days, and 30.55" (776mm) of precipitation is accumulated.

Snowfall

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

Daylight

In Dundee, the average length of the day in August is 13h and 52min.
On the first day of the month, sunrise is at 5:59 am and sunset at 8:25 pm. On the last day of August, sunrise is at 6:30 am and sunset at 7:41 pm CDT.

Sunshine

August has the most sunshine of the year, with an average of 9.9h of sunshine.

UV index

The average daily maximum UV index in August is 5. A UV Index of 3 to 5 symbolizes a medium vulnerability from exposure to the 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 need to guard against sun damage is communicated. Avoiding the Sun during its peak radiation time around midday is a healthy practice. Loose clothes with a tight weave are optimal for safeguarding yourself against the Sun's rays.
Updated: Jul 23, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What are August temperatures?

August temperatures vary between a high-temperature of 77.7°F (25.4°C) and a low-temperature of 60.1°F (15.6°C).

What is the average humidity in August?

In Dundee, the average relative humidity in August is 82%.

How many days does it rain in August?

In Dundee, during August, the rain falls for 14.1 days and regularly aggregates up to 2.2" (56mm) of precipitation.

When it does not snow?

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

How many hours of daylight does Dundee 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 5:59 am and sunset at 8:25 pm. On the last day of the month, sunrise is at 6:30 am and sunset at 7:41 pm CDT.

What month has the most sunshine?

August has the most sunshine of the year, with an average of 9.9h of sunshine.

How many hours of sunshine does Dundee have in August?

In Dundee, the average sunshine duration in August is 9.9h.

How high is the UV index in August?

In Dundee, the average daily maximum UV index in August is 5. A UV Index estimate of 3 to 5 represents a medium hazard to health from 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
Dundee, IA

Average temperature in August - Dundee, IA
  • Average high temperature in August: 77.7°F

The warmest month (with the highest average high temperature) is July (79.2°F).
The month with the lowest average high temperature is January (23.7°F).

  • Average low temperature in August: 60.1°F

The month with the highest average low temperature is July (62.6°F).
The coldest month (with the lowest average low temperature) is January (11.3°F).

Average pressure in August
Dundee, IA

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

The month with the highest atmospheric pressure is January (30.13"Hg).
The month with the lowest atmospheric pressure is June (29.89"Hg).

Average wind speed in August
Dundee, IA

Average wind speed in August - Dundee, IA
  • Average wind speed in August: 7mph

The windiest month (with the highest average wind speed) is April (10.7mph).
The calmest month (with the lowest average wind speed) is August (7mph).

Average humidity in August
Dundee, IA

Average humidity in August - Dundee, IA
  • Average humidity in August: 82%

The month with the highest relative humidity is January (88%).
The month with the lowest relative humidity is October (75%).

Average rainfall in August
Dundee, IA

Average rainfall in August - Dundee, IA
  • Average rainfall in August: 2.2"

The wettest month (with the highest rainfall) is June (4.65").
The driest month (with the least rainfall) is January (1.18").

Average rainfall days in August
Dundee, IA

Average rainfall days in August - Dundee, IA
  • Average rainfall days in August: 14.1 days

The month with the highest number of rainy days is June (19.4 days).
The month with the least rainy days is February (3.8 days).

Average snowfall in August
Dundee, IA

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

The month with the highest snowfall is February (6.1").
The months with the least snowfall are June, July, August and September (0").

Average snowfall days in August
Dundee, IA

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

The month with the highest number of snowfall days is January (12.4 days).
The months with the least snowfall days are June, July, August and September (0 days).

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

Average daylight in August / Average sunshine in August - Dundee, IA
  • 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: 9h and 5min

The month with the most sunshine is August (Average sunshine: 9h and 54min).
The month with the least sunshine is January (Average sunshine: 3h and 36min).

Average sunshine days in August
Dundee, IA

Average sunshine days in August - Dundee, IA
  • Average sunshine days in August: 13.5 days

The month with the most sunshine days is November (16.8 days).
The month with the least sunshine days is June (8.2 days).

Average UV index in August
Dundee, IA

Average UV index in August - Dundee, IA
  • Average UV index in August: 5

The month with the highest UV index is June (UV index 6).
The months with the lowest UV index are January, November and December (UV index 1).

Average cloud cover in August
Dundee, IA

Average cloud cover in August - Dundee, IA
  • Average cloud cover in August: 31

The month with the most cloud cover is January (Cloud cover 62).
The month with the least cloud cover is August (Cloud cover 31).

Average visibility in August
Dundee, IA

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

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

Dundee, Iowa, USA

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