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Weather in Köln for May 2025

Your guide to Köln weather in May - trends and predictions

    Temperatures

  • In general, the average temperature in Köln at the beginning of May is 16.3 °C. As the month progressed, temperatures tended to noticeably warm up, reaching an average of 18.9 °C by the end of May.

  • Rain 🌧️

  • Köln experiences heavy rainfall in May, with over 20 rainy days and an average total precipitation 95.8 mm.

  • More

  • Is May a good time to visit Köln? check out the best time to travel to Köln page.

  • New! Chat with our AI weatherman - it’s amazing and free.

Average dry days
2
Dry days
Average rainy days
29
Rainy days
Average snowy days
0
Snow days
Average temperatures
18°/9°
Temperatures
Average wind speed
15 km/h
Avg max wind
Average humidity
72 %
Avg humidity

Köln in May average weather

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Temperatures trend during May in Köln

See the weather trend as well as the moving average line
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May weather day by day

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Date Weather Temperatures Rain UV More
1 May Overcast
Overcast
18° /7° 1.6 mm 4
2 May Patchy rain possible
Patchy rain possible
15° /7° 1.3 mm 4
3 May Patchy rain possible
Patchy rain possible
16° /5° 3.9 mm 4
4 May Heavy rain at times
Heavy rain at times
17° /7° 0.9 mm 4
5 May Heavy rain at times
Heavy rain at times
15° /7° 3 mm 4
6 May Patchy rain possible
Patchy rain possible
16° /7° 4.4 mm 4
7 May Moderate rain at times
Moderate rain at times
17° /9° 4.6 mm 4
8 May Overcast
Overcast
17° /8° 2.2 mm 4
9 May Partly cloudy
Partly cloudy
21° /9° 5.5 mm 6
10 May Patchy rain possible
Patchy rain possible
20° /11° 3.9 mm 4
11 May Partly cloudy
Partly cloudy
20° /10° 2.6 mm 5
12 May Patchy rain possible
Patchy rain possible
19° /10° 2.6 mm 5
13 May Patchy rain possible
Patchy rain possible
19° /9° 1 mm 5
14 May Patchy rain possible
Patchy rain possible
21° /9° 0.3 mm 5
15 May Moderate or heavy rain shower
Moderate or heavy rain shower
19° /9° 2.1 mm 5
16 May Moderate rain at times
Moderate rain at times
17° /9° 4.7 mm 4
17 May Moderate or heavy rain shower
Moderate or heavy rain shower
17° /9° 5.9 mm 4
18 May Moderate or heavy rain shower
Moderate or heavy rain shower
19° /9° 3.3 mm 4
19 May Moderate or heavy rain shower
Moderate or heavy rain shower
20° /9° 3.8 mm 5
20 May Cloudy
Cloudy
20° /9° 2.3 mm 5
21 May Patchy rain possible
Patchy rain possible
21° /11° 3.1 mm 5
22 May Moderate or heavy rain shower
Moderate or heavy rain shower
19° /11° 5.1 mm 5
23 May Overcast
Overcast
18° /9° 3.4 mm 4
24 May Moderate rain at times
Moderate rain at times
15° /9° 4.1 mm 4
25 May Moderate or heavy rain shower
Moderate or heavy rain shower
18° /8° 2.7 mm 5
26 May Moderate or heavy rain shower
Moderate or heavy rain shower
19° /9° 2.7 mm 5
27 May Moderate or heavy rain shower
Moderate or heavy rain shower
19° /8° 4.3 mm 4
28 May Overcast
Overcast
20° /8° 1.6 mm 5
29 May Patchy rain possible
Patchy rain possible
17° /9° 5.9 mm 4
30 May Partly cloudy
Partly cloudy
18° /8° 2.5 mm 5
31 May Sunny
Sunny
21° /8° 0.4 mm 5
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Important Notice
Our weather forecast for Köln in May is based on the analysis of historical data rather than real-time forecast models. While this provides a general overview, weather conditions can change. We recommend that you check the Köln forecast closer to your planned date for the most up-to-date weather information.

Guide for Köln in May

In May, Köln, Germany experiences a transition from spring to early summer, bringing about pleasant weather conditions. At the beginning of the month, the average temperature hovers around 13°, with mild and comfortable conditions.

As the month progresses, temperatures gradually rise, reaching an average of 18° by the end of May. The city experiences longer daylight hours, providing ample opportunity for outdoor activities and sightseeing.

In terms of precipitation, Köln sees moderate rainfall throughout May, with occasional showers and overcast skies. However, the overall amount of rainfall is relatively low, allowing for enjoyable outdoor excursions.

Travelers can expect the occasional drizzle, so it's advisable to pack an umbrella or light raincoat.

Overall, May in Köln offers favorable weather for exploring the city's numerous attractions, including the iconic Cologne Cathedral, picturesque Old Town, and vibrant riverside promenades. The pleasant temperatures and manageable rainfall make it an ideal time to visit this historic city.

Have you visited Köln in May? Share your experience by writing a review.

Köln in May - FAQ

Is May a good time to visit Köln?
Yes, May is a good time to traveling to Köln, read more about the best time to visit Köln.
What are the expected maximum and minimum temperatures in Köln during May?
Enjoy moderate daytime temperatures of up to 18° and cooler nights around 9°. Ideal for a range of outdoor activities, from hiking to city tours.
How much rainfall should be expected in Köln during May?
Moderate rainfall is anticipated in Köln during May, with a total of 95.8 mm spread over approximately 29 days. Considering plans for rainy days is advisable.
What are the typical wind conditions in Köln during May?
The average wind speed in Köln during May is 15 km/h, suggesting breezy to windy conditions, depending on your activities.

What to pack to Köln in May?

As you prepare for your trip to Köln in May, it's important to consider the typical weather patterns for the time of year. Below is a carefully tailored packing list to ensure that your time in Köln, during May, is comfortable and enjoyable, regardless of the weather conditions.

  • Clothing
    • Warm Clothing: Sweaters, hoodies, long pants
    • Rain Gear: Lightweight, waterproof clothing
  • Footwear
    • Waterproof Shoes
  • Accessories
    • Scarves: To protect you from the cold wind
    • Gloves/Mittens: Essential for cold weather
    • Warm Hats: Warm hats for insulation in cold weather
    • Umbrellas/Raincoats: For rainy days

May rainfall patterns in Köln

Explore the daily rainfall trends and prepare for Kölns May weather 💧

UV exposure in Köln during May

Stay informed about UV levels for safe outdoor activities throughout the month of May ☀️

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Location coordinates Where is Köln?

Get accurate weather forecasts for Köln, located at latitude 50.933 and longitude 6.95. Stay updated with localized weather information tailored for Köln.

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