August · Germany
Best time to visit Black Forest in August Weather, crowds & prices
Weather in Black Forest in August
Average temperature 18°C, 100 mm of rain, about 20 days with 6+ hours of sunshine and 74% humidity — based on the five most recent complete years of ERA5 data (2021–2025).
August score
8.4/10
Ranked #2 of 12 months
- Avg temp
- 18°C
- Rainfall
- 100 mm
- Humidity
- 74%
- Days with 6h+ sun
- 20
- Crowd Density
- Peak Tourist Rush
- Average Expenses
- $$$ · Peak Season Rates ($$$)
August in Black Forest scores 8.4/10 for nature and wildlife travel - one of the top 12-month picks (#2). Expect around 18°C, 100 mm of rain, and roughly 20 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.
August in Black Forest: strong conditions, 2nd of 12
Temperatures hover around 18°C (64°F) — the kind of month where neither heat nor cold forces the schedule.
100 mm of rain makes this a wet month here, though with about 20 days with 6+ hours of sunshine there is still bright weather between the fronts.
That is 8.4/10 on the same scale — 2nd 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 peak pricing, and this is one of the busiest months here. You are paying the year's highest rates for the year's best conditions — book early or shift a few weeks either side.
Frequently asked
- What is the weather like in Black Forest in August?
- In August, Black Forest averages 18°C, 100 mm of rain, and about 20 days with 6+ hours of sunshine. Its climate-comfort score is 8.4/10.
- Is August a good time to visit Black Forest?
- August earns a 8.4/10 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 August?
- Expect about 100 mm of rain in August. Average humidity is 74% and there are about 20 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.