Trier Weather & Climate: Best Time to Visit

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

Climate overview of Trier

The climate in Trier, Rhineland-Palatinate, Germany, is marked by large temperature swings across the seasons, ranging from 24°C (75°F) in July to 5°C (41°F) in January.

The city receives around 957 mm (38 in) of rain/snowfall per year. It experiences warm summers and cold winters. December is the wettest month and April the driest. Sunshine peaks in July, when the city sees around 7.5 hours of sunshine per day.

Trier Weather by Month

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

Monthly Temperature in Trier

In Trier, temperatures differ significantly between summer and winter months. 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 13°C (55°F) in July to -1°C (30°F) in January.

Check out our detailed temperature page for more information.

Temperature ranges by month

Rainfall in Trier

On average, Trier receives a reasonable amount of rain/snowfall, with an annual precipitation of 957 mm (38 in). The wettest period in Trier occurs in December, which receives around 105 mm (4.1 in) of precipitation. During the driest month, April, Trier experiences moderate rainfall, totaling 64 mm (2.5 in). The consistent precipitation levels throughout the year contribute to a relatively stable climate. For more details, please visit our Trier Precipitation page.

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

Sunshine Hours in Trier

In Trier, summer days are longer and more sunny, with daily sunshine hours peaking at 7.5 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

Daily hours of sunshine

Best Time to Visit Trier

Conditions in Trier are generally most comfortable in June, July, August and September. They are typically least comfortable in January, February, 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, August and September
  • Warmest weather: July and August
  • Most sunshine: July
  • Seasonal pattern: Warm summers and cold winters
  • Coldest conditions: January, with freezing nights around -1°C (30°F).

Frequently asked questions about the climate in Trier

What is the best time to visit Trier?

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

What temperatures can I expect in Trier?

Daytime highs range from 5°C (41°F) in January to 24°C (75°F) in July. Nighttime lows range from -1°C (30°F) to 13°C (55°F). Temperatures vary considerably through the year.

How much rain does Trier get?

Annual rainfall is around 957 mm (38 in). December is the wettest month with 105 mm (4.1 in), while April is the driest with 64 mm (2.5 in).

How sunny is Trier?

Trier receives around 1,583 hours of sunshine per year. July is the sunniest month with 224 hours, while December is the cloudiest with just 42 hours.

Trier 3-Day Forecast

Trier on the map

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