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Trier Weather by Month
Average temperatures, rainfall and humidity for Trier, Germany, month by month, built from OpenWeather’s historical records. Use it to see what a typical Trier month looks like before you travel — then check the live Trier forecast for the days ahead.
Warmest month
July
25°C average high
Coolest month
January
0°C average low
Wettest month
November
73 mm of rain
Driest month
April
45 mm of rain
Average temperature and rainfall in Trier by month
Averages of the daily highs and lows recorded in each month, with total rainfall, mean humidity and mean wind speed.
| Month | Avg high | Avg low | Record low / high | Rainfall | Humidity | Wind |
|---|---|---|---|---|---|---|
| January | 4°C | 0°C | -13°C / 14°C | 63 mm | 89% | 14 km/h |
| February | 7°C | 1°C | -12°C / 19°C | 46 mm | 83% | 15 km/h |
| March | 11°C | 3°C | -15°C / 23°C | 55 mm | 75% | 13 km/h |
| April | 15°C | 5°C | -4°C / 27°C | 45 mm | 69% | 12 km/h |
| May | 18°C | 9°C | 0°C / 32°C | 55 mm | 72% | 11 km/h |
| June | 24°C | 13°C | 4°C / 41°C | 49 mm | 70% | 11 km/h |
| July | 25°C | 14°C | 7°C / 40°C | 50 mm | 67% | 11 km/h |
| August | 25°C | 14°C | 5°C / 39°C | 54 mm | 69% | 10 km/h |
| September | 20°C | 11°C | 4°C / 33°C | 63 mm | 76% | 10 km/h |
| October | 14°C | 8°C | -4°C / 26°C | 64 mm | 85% | 12 km/h |
| November | 9°C | 4°C | -6°C / 19°C | 73 mm | 89% | 12 km/h |
| December | 6°C | 2°C | -19°C / 17°C | 61 mm | 90% | 13 km/h |
Best time to visit Trier
The most comfortable time to visit Trier is generally June to August, balancing mild daytime temperatures against the driest stretch of the year. The city has strongly marked seasons and rainfall is spread evenly across the months, totalling about 678 mm a year.
Travellers who prefer heat should aim for July, when highs average 25°C. November is the month to avoid if rain would spoil your plans — it averages 73 mm, roughly 2× the rainfall of the driest month (April).
Source: OpenWeather historical and statistical weather data. Values are long-term averages, not a forecast — see the Trier forecast for what is happening now.