Monthly weather forecast and climate
Aachen, Germany

Weather in January

January, the same as December, is another cold winter month in Aachen, Germany, with temperature in the range of an average high of 4.3°C (39.7°F) and an average low of 0.3°C (32.5°F). The coldest month is January, with an average high-temperature of 4.3°C (39.7°F) and an average low-temperature of 0.3°C (32.5°F). Weather in January »

Weather in February

February, the last month of the winter, in Aachen, is another cold month, with average temperature varying between 0.5°C (32.9°F) and 5.5°C (41.9°F). In February, the average high-temperature is relatively the same as in January - a still wintry 5.5°C (41.9°F). Weather in February »

Weather in March

March, the first month of the spring, in Aachen, is a frosty month, with temperature in the range of an average high of 9.7°C (49.5°F) and an average low of 2.7°C (36.9°F). In March, the average high-temperature marginally rises, from a wintry 5.5°C (41.9°F) in February, to a frosty 9.7°C (49.5°F). Weather in March »

Weather in April

April is a mild spring month in Aachen, Germany, with temperature in the range of an average high of 14.5°C (58.1°F) and an average low of 5.7°C (42.3°F). In April, the average high-temperature slightly increases, from a chilly 9.7°C (49.5°F) in March, to a mild 14.5°C (58.1°F). Weather in April »

Weather in May

The last month of the spring, May, is a comfortable month in Aachen, Germany, with temperature in the range of an average low of 8.1°C (46.6°F) and an average high of 17.1°C (62.8°F). In Aachen, the average high-temperature in May is relatively the same as in April - a comfortable 17.1°C (62.8°F). Weather in May »

Weather in June

The first month of the summer, June, is a pleasant month in Aachen, Germany, with average temperature ranging between max 20.3°C (68.5°F) and min 11.3°C (52.3°F). In Aachen, the average high-temperature in June marginally rises, from a comfortable 17.1°C (62.8°F) in May, to an agreeable 20.3°C (68.5°F). Weather in June »

Weather in July

July, like June, is an agreeable summer month in Aachen, Germany, with temperature in the range of an average low of 13.3°C (55.9°F) and an average high of 22.5°C (72.5°F). In July, the average high-temperature is essentially the same as in June - a still pleasant 22.5°C (72.5°F). Weather in July »

Weather in August

August, the last month of the summer, in Aachen, is also an agreeable month, with average temperature fluctuating between 13.7°C (56.7°F) and 22.7°C (72.9°F). The warmest month is August, with an average high-temperature of 22.7°C (72.9°F) and an average low-temperature of 13.7°C (56.7°F). Weather in August »

Weather in September

The first month of the autumn, September, is still a comfortable month in Aachen, Germany, with temperature in the range of an average low of 10.5°C (50.9°F) and an average high of 18.8°C (65.8°F). In Aachen, Germany, the average high-temperature in September slightly decreases, from an agreeable 22.7°C (72.9°F) in August, to an enjoyable 18.8°C (65.8°F). Weather in September »

Weather in October

October, the same as September, in Aachen, Germany, is another mild autumn month, with temperature in the range of an average high of 14.2°C (57.6°F) and an average low of 7.5°C (45.5°F). In Aachen, Germany, the average high-temperature marginally drops, from an enjoyable 18.8°C (65.8°F) in September, to a mild 14.2°C (57.6°F). Weather in October »

Weather in November

November, the last month of the autumn, in Aachen, is another chilly month, with average temperature fluctuating between 9.2°C (48.6°F) and 4.5°C (40.1°F). In Aachen, the average high-temperature in November drops, from a mild 14.2°C (57.6°F) in October, to a chilly 9.2°C (48.6°F). Weather in November »

Weather in December

December, the first month of the winter, in Aachen, is still a cold month, with average temperature varying between 5.6°C (42.1°F) and 1.7°C (35.1°F). In Aachen, the average high-temperature in December marginally drops, from a chilly 9.2°C (48.6°F) in November, to a cold 5.6°C (42.1°F). Weather in December »
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FAQ

What is the coldest month in Aachen?

With an average high-temperature of 4.3°C (39.7°F) and an average low-temperature of 0.3°C (32.5°F), January is the coldest month in Aachen, Germany.

What is the most humid month in Aachen?

Months with the highest humidity are January and December, with an average relative humidity of 87%.

How much does it rain in Aachen?

In Aachen, during the entire year, the rain falls for 185.5 days and collects up to 509mm (20.04") of precipitation.

When does it snow in Aachen?

January through March, November and December are months with snowfall in Aachen, Germany.

How many days does it snow in Aachen?

Throughout the year, there are 20.4 snowfall days, and 156mm (6.14") of snow is accumulated.

When is the lowest UV index in Aachen?

January, February, November and December, with an average maximum UV index of 2, are months with the lowest UV index.

When does it snow the most in Aachen?

The month with the most snowfall is February when snow falls for 5.6 days and typically aggregates up to 53mm (2.09") of snow.

What is the least humid month in Aachen?

April and August, with an average relative humidity of 75%, are the least humid months in Aachen, Germany.

What is the driest month in Aachen?

The month with the least rainfall in Aachen is April when the rain falls for 14.6 days and typically collects 25mm (0.98") of precipitation.

When it does not snow in Aachen?

In Aachen, Germany, snow does not fall in April through October.

What is the rainiest month in Aachen?

June is the month with the most rainfall. Rain falls for 17 days and accumulates 55mm (2.17") of precipitation.

When are the longest days in Aachen?

The month with the longest days in Aachen, Germany, is June, with an average of 16.4h of daylight.

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

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

What is the warmest month in Aachen?

With an average high-temperature of 22.7°C (72.9°F) and an average low-temperature of 13.7°C (56.7°F), August is the warmest month in Aachen, Germany.

What month has the most sunshine in Aachen?

August has the most sunshine of the year, with an average of 9.4h of sunshine.

What is the month with the shortest days in Aachen?

The month with the shortest days in Aachen, Germany, is December, with an average of 8.1h of daylight.

What is the month with the least sunshine in Aachen?

The month with the least sunshine in Aachen is December, with an average of 3.9h of sunshine.

Average temperature
Aachen, Germany

Average temperature - Aachen, Germany

The warmest month (with the highest average high temperature) is August (22.7°C).
The month with the lowest average high temperature is January (4.3°C).

The month with the highest average low temperature is August (13.7°C).
The coldest month (with the lowest average low temperature) is January (0.3°C).

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Average pressure
Aachen, Germany

Average pressure - Aachen, Germany

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
Aachen, Germany

Average wind speed - Aachen, Germany

The windiest month (with the highest average wind speed) is December (17.3km/h).
The calmest month (with the lowest average wind speed) is August (11km/h).

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Average humidity
Aachen, Germany

Average humidity - Aachen, Germany

Months with the highest relative humidity are January and December (87%).
Months with the lowest relative humidity are April and August (75%).

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Average rainfall
Aachen, Germany

Average rainfall - Aachen, Germany

The wettest month (with the highest rainfall) is June (55mm).
The driest month (with the least rainfall) is April (25mm).

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Average rainfall days
Aachen, Germany

Average rainfall days - Aachen, Germany

The month with the highest number of rainy days is July (19.4 days).
The month with the least rainy days is February (12.1 days).

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Average snowfall
Aachen, Germany

Average snowfall - Aachen, Germany

The month with the highest snowfall is February (53mm).
Months with the least snowfall are April, May, June, July, August, September and October (0mm).

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Average snowfall days
Aachen, Germany

Average snowfall days - Aachen, Germany

The month with the highest number of snowfall days is January (6.1 days).
Months with the least snowfall days are May, June, July, August, September and October (0 days).

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Average daylight / Average sunshine
Aachen, Germany

Average daylight / Average sunshine - Aachen, Germany

The month with the longest days is June (Average daylight: 16.4h).
The month with the shortest days is December (Average daylight: 8.1h).

The month with the most sunshine is August (Average sunshine: 9.4h).
The month with the least sunshine is December (Average sunshine: 3.9h).

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Average sunshine days
Aachen, Germany

Average sunshine days - Aachen, Germany

The month with the most sunshine days is October (14.5 days).
The month with the least sunshine days is June (9 days).

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Average UV index
Aachen, Germany

Average UV index - Aachen, Germany

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

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Average visibility
Aachen, Germany

Average visibility - Aachen, Germany

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

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