August weather forecast
Dortmund, Germany

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Weather in August

August's weather in Dortmund continues the trend of warm summer days but introduces more humidity. The summer temperatures persist, often reaching a similar high as seen in July, at 23.6°C (74.5°F). Despite the lingering warmth, signs of the imminent arrival of autumn can be observed towards the end of the month. The longer daylight hours start to shorten, foretelling the transition into the autumn season. August, therefore, combines the best of summer warmth while introducing signs of new change.

Temperature

With average high temperatures of 23.6°C (74.5°F) and lows of 14.5°C (58.1°F), August is the warmest month.

Humidity

With an average relative humidity of 70%, August is the least humid month.

Rainfall

In Dortmund, in August, during 18.9 rainfall days, 57mm (2.24") of precipitation is typically accumulated. In Dortmund, Germany, during the entire year, the rain falls for 199.5 days and collects up to 608mm (23.94") of precipitation.

Snowfall

May through October are months without snowfall in Dortmund, Germany.

Daylight

In Dortmund, the average length of the day in August is 14h and 33min.
On the first day of August, sunrise is at 05:54 and sunset at 21:18. On the last day of the month, sunrise is at 06:42 and sunset at 20:18 CEST.

Sunshine

August has the most sunshine of the year, with an average of 9.3h of sunshine.

UV index

The months with the highest UV index are June through August, with an average maximum UV index of 5. A UV Index estimate of 3 to 5 represents a medium vulnerability from exposure to the Sun's UV radiation for the ordinary person.
Note: The UV index of 5 during August leads to these advisories:
Undertake protective steps - Recommendations to avoid sunburn are issued. To protect against the Sun's most potent rays, avoid direct exposure around midday. For effective sun eye protection, rely on sunglasses certified for UVA and UVB resistance.
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Frequently asked questions

What is the hottest time of year in Dortmund?

August stands out as Dortmund's warmest month, with an average high-temperature of 23.6°C (74.5°F) and a low-temperature of 14.5°C (58.1°F).

What is the usual temperature for Dortmund in August?

In Dortmund, 23.6°C (74.5°F) is the average high-temperature and 14.5°C (58.1°F) is the average low-temperature during August.

What is the least humid month in Dortmund?

With an average relative humidity of 70%, August is the least humid month.

What is the average humidity in August in Dortmund?

In Dortmund, Germany, the average relative humidity in August is 70%.

How many days does it rain in August in Dortmund?

In August, in Dortmund, the rain falls for 18.9 days. Throughout August, 57mm (2.24") of precipitation is accumulated.

When it does not snow in Dortmund?

May through October are months without snowfall.

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

The average day length in August in Dortmund, Germany, is 14h and 33min.

What time are sunrise and sunset in August in Dortmund?

In August, on the first day of the month, sunrise is at 05:54 and sunset at 21:18. On the last day of the month, in Dortmund, Germany, sunrise is at 06:42 and sunset at 20:18 CEST.

What month has the most sunshine in Dortmund?

August has the most sunshine of the year in Dortmund, with an average of 9.3h of sunshine.

How many hours of sunshine does Dortmund have in August?

The average sunshine duration in August in Dortmund, Germany, is 9.3h.

What are the months with the highest UV index in Dortmund?

June through August, with an average maximum UV index of 5, are months with the highest UV index.

What is the UV index intensity in August in Dortmund?

The average daily maximum UV index in August is 5. A UV Index reading 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
Dortmund, Germany

Average temperature in August - Dortmund, Germany
  • Average high temperature in August: 23.6°C

The warmest month (with the highest average high temperature) is August (23.6°C).
The month with the lowest average high temperature is January (3.9°C).

  • Average low temperature in August: 14.5°C

The month with the highest average low temperature is August (14.5°C).
The coldest month (with the lowest average low temperature) is January (0.1°C).

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Average pressure in August
Dortmund, Germany

Average pressure in August - Dortmund, Germany
  • Average pressure in August: 1015.7mbar

The month with the highest atmospheric pressure is September (1017.6mbar).
The month with the lowest atmospheric pressure is November (1013.1mbar).

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Average wind speed in August
Dortmund, Germany

Average wind speed in August - Dortmund, Germany
  • Average wind speed in August: 10.5km/h

The windiest month (with the highest average wind speed) is December (16km/h).
The calmest month (with the lowest average wind speed) is August (10.5km/h).

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Average humidity in August
Dortmund, Germany

Average humidity in August - Dortmund, Germany
  • Average humidity in August: 70%

The months with the highest relative humidity are January and December (87%).
The month with the lowest relative humidity is August (70%).

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Average rainfall in August
Dortmund, Germany

Average rainfall in August - Dortmund, Germany
  • Average rainfall in August: 57mm

The wettest month (with the highest rainfall) is December (71mm).
The driest month (with the least rainfall) is April (31mm).

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Average rainfall days in August
Dortmund, Germany

Average rainfall days in August - Dortmund, Germany
  • Average rainfall days in August: 18.9 days

The month with the highest number of rainy days is July (20.1 days).
The month with the least rainy days is February (14.3 days).

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Average snowfall in August
Dortmund, Germany

Average snowfall in August - Dortmund, Germany
  • Average snowfall in August: 0mm

The month with the highest snowfall is January (71mm).
The months with the least snowfall are May, June, July, August, September and October (0mm).

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Average snowfall days in August
Dortmund, Germany

Average snowfall days in August - Dortmund, Germany
  • Average snowfall days in August: 0 days

The month with the highest number of snowfall days is January (7.9 days).
The months with the least snowfall days are May, June, July, August, September and October (0 days).

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Average daylight in August /
Average sunshine in August
Dortmund, Germany

Average daylight in August / Average sunshine in August - Dortmund, Germany
  • Average daylight in August: 14h and 4min

The month with the longest days is June (Average daylight: 16h and 36min).
The month with the shortest days is December (Average daylight: 7h and 54min).

  • Average sunshine in August: 9h and 2min

The month with the most sunshine is August (Average sunshine: 9h and 18min).
The month with the least sunshine is December (Average sunshine: 3h and 24min).

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Average sunshine days in August
Dortmund, Germany

Average sunshine days in August - Dortmund, Germany
  • Average sunshine days in August: 9.7 days

The month with the most sunshine days is October (12.8 days).
The month with the least sunshine days is December (7.7 days).

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Average UV index in August
Dortmund, Germany

Average UV index in August - Dortmund, Germany
  • Average UV index in August: 5

The months with the highest UV index are June, July and August (UV index 5).
The months with the lowest UV index are January, February, November and December (UV index 2).

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Average cloud cover in August
Dortmund, Germany

Average cloud cover in August - Dortmund, Germany
  • Average cloud cover in August: 40

The month with the most cloud cover is December (Cloud cover 67).
The month with the least cloud cover is August (Cloud cover 40).

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Average visibility in August
Dortmund, Germany

Average visibility in August - Dortmund, Germany
  • Average visibility in August: 9km

The months with the highest visibility are March, April, May, June, July, August and September (9km).
The months with the lowest visibility are January, February, October, November and December (8km).

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Dortmund, Germany

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