Janov nad Nisou Weather in August
With daytime temperatures of 23°C (73°F) and nighttime lows of 12°C (54°F), August in Janov nad Nisou brings high temperatures during the day. Do keep in mind that quite a bit of rainfall is typical. Around 108 mm (4.3 in) falls on average.
Rainfall in Janov nad Nisou in August
Based on our climate data of the past 30 years, about 14 days of rain are anticipated, with 108 mm (4.3 in) on average. When it rains this month, it tends to come down fairly heavily. Showers can be substantial even if they don't last all day.
Temperature in Janov nad Nisou in August
Expect highs of 23°C (73°F) in Janov nad Nisou in August, with nights dropping to around 12°C (54°F). The month of August belongs to the summer season. This kind of day-to-night contrast is typical for this time of year. With overnight lows of 12°C (54°F), evenings can feel noticeably cooler than the daytime. An extra layer is a good idea, though the cool air makes for a good night's sleep.If you're a fan of comfortable temperatures and drier conditions, August is a great time to visit.
Check the conditions for any month of the year.
For a detailed overview over the year and the best time to visit Czech Republic, check out our Janov nad Nisou's climate page.
Janov nad Nisou Temperature in August
Min Temperature
12°C (54°F)
Max Temperature
23°C (73°F)
Chance of Rain
48%
Precipitation
108 mm (4.3 in)
Rainy days
14 days
Humidity
70% *
Daily Historical Temperatures
50-year average (1976-2025)
Based on our historical records, temperatures in Janov nad Nisou typically drop from around 23°C (73°F) at the start of August to approximately 20°C (68°F) by the end. Nights are cool, with lows typically ranging from 10°C (50°F) to 13°C (55°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 for Janov nad Nisou in August
Browse day-by-day weather records for Janov nad Nisou spanning 51 years. Select any month and year to see actual temperatures, rainfall, and conditions recorded on each day.
Janov nad Nisou historical weather extremes in August
Based on 49 years of weather observations in Janov nad Nisou between 1976 and 2025, these are the recorded extremes.
- Janov nad Nisou recorded its highest August temperature of 35°C (95°F) on August 9, 1992.
- The coldest August day was on August 31, 1995, with a maximum of 10°C (50°F).
- Nighttime temperatures dropped to 3°C (37°F) on August 30, 2007, marking the coldest August night on record.
Best Places in Czech Republic in August
Find out more about the weather in Czech Republic and which places have the best travel conditions in this month. See all of Czech Republic in August →
perfect weather
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tolerable
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What to Wear in Janov nad Nisou in August
For Janov nad Nisou in August, you'll want flexible clothing. It's wise to pack cotton shirts, comfortable shorts, and a pair of jeans for cooler evenings. A light sweater or jacket is useful for air-conditioned spaces (like buses) or unexpected cool moments. High rain levels are expected, so pack waterproof gear and an umbrella or poncho.What To Do in Janov nad Nisou in August
We rated the following activities from 1 (least suitable) to 10 (best) to do.
Check the conditions for any month of the year.
For a detailed overview over the year and the best time to visit Czech Republic, check out our Janov nad Nisou's climate page.
See the full Janov nad Nisou climate overview or explore weather in Czech Republic.
