Spring (March–May): Average 7.7–14.9°C, mild climate with moderate rainfall and occasional overcast. Common activities: Exploring Trier's historic city streets, visiting Roman ruins. Recommended clothing: Light jacket, comfortable trousers or skirt, and comfortable shoes.
Summer (June–August): Average 18.8–20.2°C, warm and pleasant with occasional rainfall. Common activities: Walking along the Moselle River, enjoying outdoor picnics, visiting nearby vineyards. Recommended clothing: Short-sleeved shirts, shorts or skirts, sandals, and a light jacket for temperature changes.
Autumn (September–November): Average 7.0–15.8°C, temperatures gradually decreasing, higher rainfall, especially in October. Common activities: Walking amidst the autumn colors, visiting Trier's museums and art galleries. Recommended clothing: Comfortable trousers or skirts, sweaters or jackets, and rain gear.
Winter (December–February): Average 2.8–5.8°C, cold with occasional snowfall. Common activities: Indoor activities such as visiting museums or enjoying local cuisine. Recommended clothing: Warm coat, scarf, hat, and gloves.
Trier climatological average
Annual average temperature: approx. 11.6°C / Annual rainfall: approx. 791 mm / Summer humidity: 65%–75% / Rainiest month: October
Trier monthly average temperature and precipitation
Month
Air temperature (°C)
Precipitation (mm)
January
2.8°C
84
February
5.8°C
43.7
March
7.7°C
65.9
April
9.6°C
54.2
May
14.9°C
70.8
June
18.8°C
31.5
July
19.9°C
70.6
August
20.2°C
60.4
September
15.8°C
70.5
October
12.4°C
94.9
November
7°C
84.1
December
3.8°C
61
Trier weather for the next seven days
1/12
Monday
Patchy rain nearby
4°C/-5.3°C
1/13
Tuesday
Patchy rain nearby
5.4°C/1.8°C
1/14
Wednesday
Patchy rain nearby
7.5°C/2.5°C
1/15
Thursday
Patchy rain nearby
8.1°C/3.7°C
1/16
Friday
Patchy rain nearby
7.5°C/4.7°C
1/17
Saturday
Overcast
4.9°C/3.1°C
1/18
Sunday
Overcast
5.6°C/3.5°C
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