Lammi Weather in August
What's the weather like in Lammi (Southern Finland Province) in August 2025?
The climate in Lammi during August can be summarized as mild and a little damp.
August is in the summer in Lammi and is typically the 2nd warmest month of the year. Daytime maximum temperatures average around 19°C (66°F), whilst at night 10°C (50°F) is normal.
| Daytime temperature | 19°C 66.1°F |
|---|---|
| Nightly temperature | 9.9°C 49.7°F |
| Average temperature | 14.4°C 57.9°F |
| Daily sunshine | 7 hrs |
| Avg rainfall | 85 mm 3.4 ins |
| Rainy days | 16 days |
| Sea temperature | 16.7°C 62.1°F |
| Humidity | 79% |
| Windspeed | 9.7kph 6 mph |
On average August is the wettest month of the year in Lammi with around 85mm 3.4 inches of rain making it a a little damp time to visit. This rainfall is typically spread over 16 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 Lammi
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 Lammi in August 2025.
Other monthly averages
Best places to visit in August
Lammi weather stats
| Hottest month: | July | 20.8°C 69.4°F |
|---|---|---|
| Driest month: | February | 28mm 1.1ins |
| Sunniest month: | June | 5.1hrs |
| Coldest month: | January | -5.7°C 21.7°F |
| Wettest month: | August | 85mm 3.3ins |
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