August · Luxembourg
Best time to visit Vianden in August Weather, crowds & prices
Weather in Vianden in August
Average temperature 19°C, 71 mm of rain, about 21 days with 6+ hours of sunshine and 71% humidity — based on the five most recent complete years of ERA5 data (2021–2025).
August score
8.7/10
Ranked #2 of 12 months
- Avg temp
- 19°C
- Rainfall
- 71 mm
- Humidity
- 71%
- Days with 6h+ sun
- 21
- Crowd Density
- Peak Tourist Rush
- Average Expenses
- $$$ · Peak Season Rates ($$$)
August in Vianden scores 8.7/10 for sightseeing and cultural travel - one of the top 12-month picks (#2). Expect around 19°C, 71 mm of rain, and roughly 21 days with 6+ hours of sunshine this month.
Vianden is crowned by a restored medieval castle above the Our valley-one of Luxembourg’s most photogenic towns. Best window: late spring through early autumn.
August is one of the strongest months in Vianden (2nd)
At 19°C (67°F) this is comfortable city weather in August, with sightseeing easiest before lunch and after the afternoon peak.
Budget for roughly 71 mm of rain this month — a flexible day or two helps — with about 21 days with 6+ hours of sunshine and 14.3 hours of daylight to work around it.
On our climate-comfort scale this is one of the strongest months of the year for Vianden at 8.7/10 (2nd of 12), just behind July at 8.9/10.
Pack light clothing, a hat and real sun protection, a packable rain layer.
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 Vianden in August?
- In August, Vianden averages 19°C, 71 mm of rain, and about 21 days with 6+ hours of sunshine. Its climate-comfort score is 8.7/10.
- Is August a good time to visit Vianden?
- August earns a 8.7/10 climate-comfort score. Use the year-round chart to weigh the weather against your budget and crowd preferences.
- How much does it rain in Vianden in August?
- Expect about 71 mm of rain in August. Average humidity is 71% and there are about 21 days with 6+ hours of sunshine.
Curated in Vianden
Tickets & experiences
Things to do in Vianden
Vianden, Luxembourg. Live activities and tours from GetYourGuide, matched to this destination.