Semily Weather in August
What's the weather like in Semily (Liberecký) in August 2025?
The climate in Semily during August can be summarized as mild and a little damp.
August is in the summer in Semily and is typically the 2nd warmest month of the year. Daytime maximum temperatures average around 21°C (69°F), whilst at night 11°C (51°F) is normal.
| Daytime temperature | 20.8°C 69.4°F |
|---|---|
| Nightly temperature | 10.8°C 51.4°F |
| Average temperature | 15.8°C 60.4°F |
| Daily sunshine | 7 hrs |
| Avg rainfall | 85 mm 3.3 ins |
| Rainy days | 14 days |
| Sea temperature | 21°C 69.7°F |
| Humidity | 75% |
| Windspeed | 15.5kph 10 mph |
On average August is the 3rd wettest month of the year in Semily with around 85mm 3.3 inches of rain making it a a little damp time to visit. This rainfall is typically spread over 14 days, although this may vary considerably.
On the flip side this corresponds to an average of 7 hours of sunshine per day.
August temperatures in Semily
August rainfall
August hourly sunshine
The data used in these monthly averages covers a period of over 100 years right up until last year. As such they are a valid prediction of what to expect for the weather in Semily in August 2025.
Other monthly averages
Best places to visit in August
Semily weather stats
| Hottest month: | July | 20.9°C 69.6°F |
|---|---|---|
| Driest month: | April | 54mm 2.1ins |
| Sunniest month: | August | 7hrs |
| Coldest month: | January | -0.6°C 30.9°F |
| Wettest month: | July | 90mm 3.5ins |
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