Siuntio Weather in June
What's the weather like in Siuntio (Southern Finland Province) in June 2025?
The climate in Siuntio during June can be summarized as mild and reasonably dry.
June is in the summer in Siuntio and is typically the 3rd warmest month of the year. Daytime maximum temperatures average around 20°C (67°F), whilst at night 8°C (47°F) is normal.
| Daytime temperature | 19.6°C 67.2°F |
|---|---|
| Nightly temperature | 8.3°C 46.9°F |
| Average temperature | 13.9°C 57°F |
| Daily sunshine | 10.5 hrs |
| Avg rainfall | 41 mm 1.6 ins |
| Rainy days | 11 days |
| Sea temperature | 10.5°C 51°F |
| Humidity | 70% |
| Windspeed | 12.6kph 8 mph |
On average June is the 5th driest month of the year in Siuntio with around 41mm 1.6 inches of rain making it a reasonably dry time to visit. This rainfall is typically spread over 11 days, although this may vary considerably.
On the flip side this corresponds to an average of 10.5 hours of sunshine per day.
June temperatures in Siuntio
June rainfall
June 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 Siuntio in June 2025.
Other monthly averages
Siuntio weather stats
| Hottest month: | July | 20.7°C 69.3°F |
|---|---|---|
| Driest month: | February | 31mm 1.2ins |
| Sunniest month: | June | 10.5hrs |
| Coldest month: | February | -3.8°C 25.2°F |
| Wettest month: | August | 81mm 3.2ins |
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