Spring (March–May): Average 7.8–15.1°C, mild climate with increasing rainfall, May being the rainiest month. Popular activities: Walking along the Rhine, visiting castles. Recommended clothing: Light jacket, comfortable trousers or skirt, rain gear.
Summer (June–August): Average 18.6–20.1°C, warm and comfortable climate with less rainfall. Popular activities: Rhine river cruises, outdoor picnics, sightseeing in Koblenz. Recommended clothing: Short-sleeved T-shirts, light trousers, sandals.
Autumn (September–November): Average 16.1–7.5°C, cool climate with moderate rainfall, temperatures gradually decreasing. Popular activities: Enjoying autumn scenery, tasting local wine. Recommended clothing: Long-sleeved shirts, light jacket, comfortable shoes.
Winter (December–February): Average 4.5–6.5°C, cold climate with less rainfall. Popular activities: Visiting museums, enjoying indoor activities. Recommended clothing: Warm coat, scarf, hat, gloves.
Koblenz climatological average
Annual average temperature: approx. 11.9°C / Annual rainfall: approx. 635 mm / Summer humidity: 65%–75% / Rainiest month: May
Koblenz monthly average temperature and precipitation
Month
Air temperature (°C)
Precipitation (mm)
January
3.9°C
45.5
February
6.5°C
41.9
March
7.8°C
49.1
April
9.7°C
53.3
May
15.1°C
76.4
June
18.6°C
51.1
July
19.5°C
50.3
August
20.1°C
44
September
16.1°C
71.8
October
13.1°C
54.1
November
7.5°C
56.4
December
4.5°C
41.5
Koblenz weather for the next seven days
12/22
Monday
Sunny
6.1°C/1.1°C
12/23
Tuesday
Mist
6°C/0.2°C
12/24
Wednesday
Sunny
0.9°C/-5.1°C
12/25
Thursday
Sunny
-1.6°C/-6.5°C
12/26
Friday
Cloudy
1°C/-6°C
12/27
Saturday
Sunny
2.8°C/-4.4°C
12/28
Sunday
Sunny
4°C/-3.6°C
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