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Mondorf-les-Bains Weather in August
Mondorf-les-Bains in August averages 25°C (77°F) during the day and 14°C (57°F) at night. This is part of the summer season, and quite a bit of rainfall is expected this month.
Rainfall in Mondorf-les-Bains in August
You can expect rain on roughly 13 days based on historical data, averaging 68 mm (2.7 in) for the month. Expect a fairly normal spread of rainfall this month, with no particular pattern of very heavy or very persistent showers.
Temperature in Mondorf-les-Bains in August
The temperature in Mondorf-les-Bains in August is excellent. Daytime highs reach 25°C (77°F), with nights dropping to 14°C (57°F). August is in the summer season. The days can feel warmer than the evenings, so packing for both parts of the day is a good idea. Nights drop to around 14°C (57°F), which is noticeably cooler than the daytime. A light jacket for the evening is a sensible addition, and the cool nights tend to make sleeping comfortable.
Sunshine in Mondorf-les-Bains in August
There are approximately 235 hours of sunshine this month, resulting in mostly clear days.If you favor pleasant temperatures and minimal rainfall, August is one of the best months to visit Mondorf-les-Bains.
Mondorf-les-Bains Temperature in August
Min Temperature
14°C (57°F)
Max Temperature
25°C (77°F)
Chance of Rain
44%
Precipitation
68 mm (2.7 in)
Rainy days
13 days
Humidity
68% *
Sunshine
235 hours *
Percentage Sunshine
51% *
* Data from: Luxembourg, Luxembourg (12 KM, 8 Miles).
Mondorf-les-Bains Weather by Month
Pick a month to see the average temperature, rainfall and sunshine in Mondorf-les-Bains - and find the best time to visit.
Daily Historical Temperatures
50-year average (1976-2025)
Based on our historical records, temperatures in Mondorf-les-Bains typically stay consistent throughout August, with daily highs averaging around 25°C (77°F). Nights are cool, with lows typically ranging from 12°C (54°F) to 15°C (59°F).
Average temperatures in August
Daily Historical Precipitation
50-year average (1976-2025)
Average daily rainfall for each day of the month based on long-term records.
Average precipitation in August
Historical weather records for Mondorf-les-Bains in August
Browse day-by-day weather records for Mondorf-les-Bains spanning 51 years. Select any month and year to see actual temperatures, rainfall, and conditions recorded on each day.
Mondorf-les-Bains historical weather extremes in August
Our historical data for Mondorf-les-Bains spans 1976 to 2026, revealing these weather extremes.
- The hottest August day on record in Mondorf-les-Bains reached 37°C (99°F) (August 14, 2026).
- On August 23, 1980, Mondorf-les-Bains saw its coldest August day with temperatures maxing out at 12°C (54°F).
- Nighttime temperatures dropped to 5°C (41°F) on August 26, 2018, marking the coldest August night on record.
Best Places in Luxembourg in August
Find out more about the weather in Luxembourg and which places have the best travel conditions in this month. See all of Luxembourg in August →
perfect weather
pleasant
tolerable
unpleasant
poor
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).
What to Wear in Mondorf-les-Bains in August
Comfortable temperatures call for an easy wardrobe in August. Pack summer basics like t-shirts and shorts, but include a light jacket for cooler moments. A pair of comfortable walking shoes is essential. Wet weather is likely, so pack waterproof gear for multiple rainy days. And with plenty of sunshine hours, don’t forget sunglasses, sunscreen, and maybe a sun hat.
What To Do in Mondorf-les-Bains in August
We rated the following activities from 1 (least suitable) to 10 (best) to do.
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Swimming9/10 -
Cycling10/10 -
Walking10/10 -
Barbeque8/10 -
Camping8/10 -
Outdoor sports10/10
Mondorf-les-Bains 3-Day Forecast
More climate data for Mondorf-les-Bains
Temperature Rainfall Sunshine Humidity
See the full Mondorf-les-Bains climate overview or explore weather in Luxembourg.
Popular in August
Where to go in August - average daytime high across popular destinations.
Mondorf-les-Bains
25°C (77°F) Remich24°C (75°F) Luxembourg24°C (75°F) Berdorf24°C (75°F) Vianden23°C (73°F) Echternach24°C (75°F) Clervaux
23°C (73°F) Enscherange23°C (73°F) Bucket list
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