Köln Weather in May

Köln in May sees pleasant temperatures, with highs around 20°C (68°F) and overnight lows of 9°C (48°F). Rainfall is fairly high at around 67 mm (2.6 in) on average, so pack waterproofs just in case.

Rainfall in Köln in May

Analyzing past climate data, one can expect approximately 16 days of rain, averaging 67 mm (2.6 in). Rain is frequent but mostly light this month, with brief showers more common than heavy downpours.

Temperature in Köln in May

May in Köln is generally perfect, with days reaching 20°C (68°F) and nights settling around 9°C (48°F). Temperatures can feel cooler in the morning and evening, so layering is often the best approach. With lows around 9°C (48°F), nights are cold. The upside is that cool, crisp nights are often the best for a deep sleep.

Sunshine in Köln in May

There are approximately 199 hours of sunshine this month, resulting in mostly clear days.

If your ideal day consists of dry skies and pleasant temperatures, May, June, July, August and September typically offer the best circumstances for Köln.

Select a Month

Check the conditions for any month of the year.

• January
• February
• March
• April

• May
• June
• July
• August

• September
• October
• November
• December

For a detailed overview over the year and the best time to visit Germany, check out our Köln's climate page.

Köln Temperature in May

Min Temperature 9°C (48°F)  

Max Temperature 20°C (68°F)  

Chance of Rain 53%  

Precipitation 67 mm (2.6 in)  

Rainy days 16 days  

Sunshine 199 hours *  

Percentage Sunshine *  

What to Wear in Köln in May

Pleasant temperatures in May mean you can pack light but flexibel pieces. Think cotton t-shirts, comfortable walking shorts, and one warmer layer for evenings. A light sweater or denim jacket works well. Rain gear is recommended, you can expect wet weather on multiple days. Don't forget sun protection, sunglasses, sunscreen, and a hat. These are all good ideas with this much sunshine.

What To Do in Köln in May

We rated the following activities from 1 (least suitable) to 10 (best) to do.

Swimming

6/10

Cycling

10/10

Walking

10/10

Barbeque

7/10

Camping

4/10

Outdoor sports

10/10

Select a Month

Check the conditions for any month of the year.

• January
• February
• March
• April

• May
• June
• July
• August

• September
• October
• November
• December

For a detailed overview over the year and the best time to visit Germany, check out our Köln's climate page.

More climate data for Köln

Temperature Rainfall Sunshine

See the full Köln climate overview or explore weather in Germany.