May · Germany
Best time to visit Black Forest in May Weather, crowds & prices
Weather in Black Forest in May
Average temperature 12°C, 110 mm of rain, about 18 days with 6+ hours of sunshine and 71% humidity — based on the five most recent complete years of ERA5 data (2021–2025).
May score
8.2/10
Ranked #3 of 12 months
- Avg temp
- 12°C
- Rainfall
- 110 mm
- Humidity
- 71%
- Days with 6h+ sun
- 18
- Crowd Density
- Moderate Crowds
- Average Expenses
- $$ · Moderate Cost ($$)
May in Black Forest scores 8.2/10 for nature and wildlife travel - one of the top 12-month picks (#3). Expect around 12°C, 110 mm of rain, and roughly 18 days with 6+ hours of sunshine this month.
The Black Forest's conifers, cuckoo clocks and spa towns fill a wooded corner of south-west Germany.
May holds up well in Black Forest — 3rd best month
Temperatures hover around 12°C (54°F) — the kind of month where neither heat nor cold forces the schedule.
110 mm of rain signals a properly wet month, with only about 18 days with 6+ hours of sunshine to count on — build indoor options into the schedule.
That is 8.2/10 on the same scale — 3rd of 12 months, versus 8.5/10 for the best month here.
Pack layers you can shed by midday plus one warm layer for the evening, a proper rain shell rather than an umbrella, footwear you can get muddy.
Budget for mid-season pricing, and crowds are moderate.
Frequently asked
- What is the weather like in Black Forest in May?
- In May, Black Forest averages 12°C, 110 mm of rain, and about 18 days with 6+ hours of sunshine. Its climate-comfort score is 8.2/10.
- Is May a good time to visit Black Forest?
- May earns a 8.2/10 climate-comfort score. Use the year-round chart to weigh the weather against your budget and crowd preferences.
- How much does it rain in Black Forest in May?
- Expect about 110 mm of rain in May. Average humidity is 71% and there are about 18 days with 6+ hours of sunshine.
Curated in Black Forest
Tickets & experiences
Things to do in Black Forest
Black Forest, Germany. Live activities and tours from GetYourGuide, matched to this destination.