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May in Rettenberg typically sees daytime highs of 16°C (61°F) and nighttime lows of 5°C (41°F). May falls within the rainy season, so heavy rainfall is to be expected.
If you prefer dry days with pleasant temperatures, May may not be the ideal month to visit Rettenberg. Our weather planner can help you explore destinations with more pleasant weather conditions.
Pick a month to see the average temperature, rainfall and sunshine in Rettenberg - and find the best time to visit.
Find out more about the weather in Germany and which places have the best travel conditions in this month. See all of Germany in May →
Perfect weather is subjective. On this map perfect weather has been defined with temperatures between 20°C (68°F) and 29°C (84°F) and not too much precipitation (less than 90 mm (3.5 in) a month).
The weather can swing between comfortable and chilly in May, so flexibility is key. Pack a variety of tops, at least one warm layer, and both shorts and long pants. This gives you options no matter what the day brings. It's going to pour! Pack a good poncho and prepare for very wet conditions. You'll definitely want to pack sunglasses and sunscreen. There will be plenty of bright sunshine this month.
We rated the following activities from 1 (least suitable) to 10 (best) to do.
Temperature Rainfall Sunshine Humidity
See the full Rettenberg climate overview or explore weather in Germany.
Where to go in May - average daytime high across popular destinations.
Need travel inspiration? Check out our bucket list articles and be inspired.
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