Late spring · Weather & things to do
Koblenz in May
Koblenz warms up: highs climb to 67°F (19°C), from 60°F in April, with lows of 48°F (9°C) and about 2.8 in (71 mm) of rain.
May opens the best stretch on our comfort score, at 83/100 (2nd of 12).
- Avg high
- 67°F (19°C)
- Avg low
- 48°F (9°C)
- Rain
- 2.8 in (71 mm)
- Humidity
- 78%
- Cloud cover
- 71%
- Daylight
- ~15 h 14 min
- Comfort score
- 83/100 · Great
What May feels like
Highs near 67°F (19°C) make for comfortable sightseeing weather.
Lows average 48°F (9°C).
Showers are part of the month, adding up to about 2.8 in (71 mm).
Long days help: there are roughly 15 h 14 min of daylight mid-month.
Plan around May
May is one of Koblenz's best months on the climate data.
- Opens the best-scoring stretch on our comfort score: May – September.
- Comfort improves from 79/100 in April to 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 — May falls outside it.
What to pack for May
- A warm layer for eveningslows near 48°F
- Packable rain jacket or umbrellaa shower or two is likely
- Comfortable walking shoesmost picks involve some walking
What to do in Koblenz in May
May is good outdoor weather here, so these picks lean toward the open air.
Kurfürstliches Schloss
The last Elector of Trier's neoclassical palace from the 1780s, set on lawns along the Rhine promenade.
Why now May scores 83/100 for comfort, good conditions for being outside.
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 May
- Rüdesheim in May~30 mi · highs 67°F, 2.8 in rain · similar daytime temperatures, about as wet
- Cologne in May~49 mi · highs 66°F, 2.5 in rain · similar daytime temperatures, about as wet
- Würzburg in May~111 mi · highs 67°F, 2.9 in rain · similar daytime temperatures, about as wet
- Strasbourg in May~123 mi · highs 69°F, 3.3 in rain · 1°C (2°F) warmer by day, 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 May: quick answers
Is May a good time to visit Koblenz?
Yes. On the climate data it's one of the best months, scoring 83/100. Expect highs of 67°F (19°C) and 2.8 in (71 mm) of rain.
How hot is Koblenz in May?
Average highs are 67°F (19°C) and average lows 48°F (9°C), making it the 5th-warmest month by daytime highs.
Does it rain a lot in Koblenz in May?
Some: about 2.8 in (71 mm) of rain falls across May on average, the 4th-wettest month of the year. The annual total is about 30.9 in (786 mm).
What should I pack for Koblenz in May?
Bring a warm layer for evenings (lows near 48°F), packable rain jacket or umbrella (a shower or two is likely) and comfortable walking shoes (most picks involve some walking).
Planning Koblenz in May?
Share this May plan with your group, poll everyone on dates and keep the packing list in one place.