Altenahr Weather & Climate: Best Time to Visit

Average temperatures, rainfall, sunshine and the best time to visit Altenahr.

Climate overview of Altenahr

Altenahr, Rhineland-Palatinate, Germany, experiences significant temperature variation throughout the year. Summers bring daytime highs of 24°C (75°F) in July, while winters cool to 5°C (41°F) in January.

The city receives around 846 mm (33 in) of rain/snowfall per year. It experiences warm summers and cold winters. July is the wettest month and April the driest. The most sunshine falls in July, with an average of 7.0 hours of daily sunshine.

Altenahr Weather by Month

Pick a month to see the average temperature, rainfall and sunshine in Altenahr - and find the best time to visit.

Monthly Temperature in Altenahr

Depending on the time of the year, temperatures range from comfortable to chilly in Altenahr. On average, daytime temperatures range from a comfortable 24°C (75°F) in July to a chilly 5°C (41°F) in January.

Nighttime temperatures range from 14°C (57°F) in July to 0°C (32°F) in January.

Check out our detailed temperature page for more information.

Temperature ranges by month

Rainfall in Altenahr

Generally, Altenahr has a moderate amount of precipitation, averaging 846 mm (33 in) of rain/snowfall annually. The wettest period in Altenahr occurs in July, which receives around 87 mm (3.4 in) of precipitation. During the driest month, April, Altenahr experiences moderate rainfall, totaling 58 mm (2.3 in). The consistent precipitation levels throughout the year contribute to a relatively stable climate. For more details, please visit our Altenahr Precipitation page.

The mean monthly precipitation over the year, including rain, hail, and snow

Sunshine Hours in Altenahr

In Altenahr, summer days are longer and more sunny, with daily sunshine hours peaking at 7.0 hours in July. As the darker season arrives, the brightness of the sun becomes less. December sees a soft sun for only 1.4 hours per average day.

Visit our detailed sunshine hours page for more information.

Monthly hours of sunshine

Data from: Bonn, Germany (25 KM, 15 Miles).

Daily hours of sunshine

Data from: Bonn, Germany (25 KM, 15 Miles).

Best Time to Visit Altenahr

Conditions in Altenahr are generally most comfortable in June, July and August. They are typically least comfortable in January, February, March, November and December.

Monthly ratings reflect general weather comfort, based on daytime temperature and rainfall. Swimming and winter conditions are highlighted separately where relevant.

  • Best overall: June, July and August
  • Warmest weather: July and August
  • Most sunshine: July
  • Seasonal pattern: Warm summers and cold winters
  • Coldest conditions: January, with freezing nights around 0°C (32°F).

Frequently asked questions about the climate in Altenahr

What is the best time to visit Altenahr?

June, July and August typically offer the most optimal weather in Altenahr. In contrast, January, February, March, November and December tend to have less optimal conditions. Altenahr has warm summers and cold winters.

What temperatures can I expect in Altenahr?

Daytime highs range from 5°C (41°F) in January to 24°C (75°F) in July. Nighttime lows range from 0°C (32°F) to 14°C (57°F). Temperatures vary considerably through the year.

How much rain does Altenahr get?

Annual rainfall is around 846 mm (33 in). July is the wettest month with 87 mm (3.4 in), while April is the driest with 58 mm (2.3 in).

How sunny is Altenahr?

Altenahr receives around 1,540 hours of sunshine per year. July is the sunniest month with 210 hours, while December is the cloudiest with just 41 hours.

Altenahr 3-Day Forecast

Altenahr 3-Day Forecast

Altenahr on the map

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