Late spring · Weather & things to do
Cologne in May
Cologne warms up: highs climb to 66°F (19°C), from 60°F in April, with lows of 47°F (9°C) and about 2.5 in (64 mm) of rain.
May opens the best stretch on our comfort score, at 83/100 (2nd of 12).

- Avg high
- 66°F (19°C)
- Avg low
- 47°F (9°C)
- Rain
- 2.5 in (64 mm)
- Humidity
- 77%
- Cloud cover
- 71%
- Daylight
- ~15 h 18 min
- Comfort score
- 83/100 · Great
What May feels like
Highs near 66°F (19°C) make for comfortable sightseeing weather.
Lows average 47°F (9°C).
Showers are part of the month, adding up to about 2.5 in (64 mm).
With about 15 h 18 min of daylight, evenings stay light late.
Plan around May
May is one of Cologne'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 eveningsnights drop to 47°F
- Packable rain jacket or umbrellaa shower or two is likely
- Comfortable walking shoesmost picks involve some walking
What to do in Cologne in May
With conditions on your side, the picks below favor time outside.
Markt der Engel
The angels' market on Neumarkt: white stalls under trees hung with thousands of star lights.
Weihnachtsmarkt am Kölner Dom
Red-roofed stalls on the Roncalliplatz under a canopy of lights, directly below the cathedral's west front.
Schokoladenmuseum
Chocolate museum on a Rhine peninsula, with a working production line and a three-metre chocolate fountain.
Hohenzollernbrücke
Railway bridge over the Rhine with a footpath hung with love locks, looking straight at the cathedral.
Früh am Dom
Big traditional brewhouse beside the cathedral pouring Früh Kölsch, with hearty Rhineland plates.
Nearby in May
- Koblenz in May~49 mi · highs 67°F, 2.8 in rain · similar daytime temperatures, about as wet
- Rüdesheim in May~79 mi · highs 67°F, 2.8 in rain · similar daytime temperatures, about as wet
- Brussels in May~114 mi · highs 65°F, 2.3 in rain · similar daytime temperatures, about as wet
- Amsterdam in May~132 mi · highs 61°F, 2.2 in rain · 3°C (5°F) cooler by day, about as wet
NASA POWER 2001–2025 monthly averages on a ~50 km grid. Comfort scores weigh temperature, rain, humidity and cloud: see how we score each month. Check a forecast before you go.
Cologne in May: quick answers
Is May a good time to visit Cologne?
Yes. On the climate data it's one of the best months, scoring 83/100. Expect highs of 66°F (19°C) and 2.5 in (64 mm) of rain.
How hot is Cologne in May?
Average highs are 66°F (19°C) and average lows 47°F (9°C), making it the 5th-warmest month by daytime highs.
Does it rain a lot in Cologne in May?
Some: about 2.5 in (64 mm) of rain falls across May on average, the 6th-driest month of the year. The annual total is about 31.1 in (791 mm).
What should I pack for Cologne in May?
Bring a warm layer for evenings (nights drop to 47°F), packable rain jacket or umbrella (a shower or two is likely) and comfortable walking shoes (most picks involve some walking).
Planning Cologne in May?
Plan it together in TripsCircle: one itinerary, one shared packing list and costs split as you go.



