Late summer · Weather & things to do
Koblenz in August
The year's rain peaks now, with about 3.0 in (76 mm) falling in Koblenz, alongside highs near 78°F (26°C) and lows of 58°F (14°C).
At 83/100 for comfort (5th of 12), it's one of the best months to visit.
- Avg high
- 78°F (26°C)
- Avg low
- 58°F (14°C)
- Rain
- 3.0 in (76 mm)
- Humidity
- 69%
- Cloud cover
- 67%
- Daylight
- ~14 h 18 min
- Comfort score
- 83/100 · Great
What August feels like
Warm afternoons near 78°F (26°C) make long days outdoors easy.
Lows average 58°F (14°C).
Some rain is likely, about 3.0 in (76 mm) in the month, so pack for a shower or two.
Plan around August
August is one of Koblenz's best months on the climate data.
- Inside the wettest three-month stretch, June – August.
- Comfort holds steady from July (83 → 83/100).
- Our Cologne, Koblenz & Rüdesheim route is planned for Late Nov – Dec 23, a window set by the holiday season rather than the weather — August falls outside it.
What to pack for August
- Light, breathable clothes78°F afternoons
- Packable rain jacket or umbrellaabout 3.0 in of rain
- Comfortable walking shoesmost places below are best reached on foot or with short walks
What to do in Koblenz in August
With conditions on your side, the picks below favor time outside.
Koblenzer Weihnachtsmarkt
The market spreads over the old-town squares, from Jesuitenplatz by the town hall to Am Plan and Münzplatz.
Basilika St. Kastor
Koblenz's oldest church, Romanesque, a short walk from the Deutsches Eck.
Festung Ehrenbreitstein
A 19th-century Prussian fortress on the cliff opposite the Deutsches Eck, with museums and a wide valley view.
Weinhaus Hubertus
Half-timbered wine tavern on the Florinsmarkt serving Moselle and Middle Rhine wines with regional dishes.
Nearby in August
- Rüdesheim in August~30 mi · highs 79°F, 2.6 in rain · similar daytime temperatures, about as wet
- Cologne in August~49 mi · highs 76°F, 3.1 in rain · similar daytime temperatures, about as wet
- Würzburg in August~111 mi · highs 79°F, 2.6 in rain · similar daytime temperatures, about as wet
- Strasbourg in August~123 mi · highs 79°F, 3.0 in rain · similar daytime temperatures, about as wet
NASA POWER 2001–2025 monthly averages on a ~50 km grid, temperatures adjusted from the grid cell's ~294 m to Koblenz's ~78 m elevation (standard lapse rate). Comfort scores weigh temperature, rain, humidity and cloud: see how we score each month. Check a forecast before you go.
Koblenz in August: quick answers
Is August a good time to visit Koblenz?
Yes. On the climate data it's one of the best months, scoring 83/100. Expect highs of 78°F (26°C) and 3.0 in (76 mm) of rain.
How hot is Koblenz in August?
Average highs are 78°F (26°C) and average lows 58°F (14°C), making it the 2nd-warmest month by daytime highs.
Does it rain a lot in Koblenz in August?
Some: about 3.0 in (76 mm) of rain falls across August on average, the wettest month of the year. The annual total is about 30.9 in (786 mm).
What should I pack for Koblenz in August?
Bring light, breathable clothes (78°F afternoons), packable rain jacket or umbrella (about 3.0 in of rain) and comfortable walking shoes (most places below are best reached on foot or with short walks).
Planning Koblenz in August?
Share this August plan with your group, poll everyone on dates and keep the packing list in one place.