June weather forecastHamina, Finland
June
Weather in June
June in Hamina displays the true summer spirit, characterized by the warmest sea temperatures and the most extended exposure to sunlight. The sea temperature reaches a pleasant 13.6°C (56.5°F), ideal for swimming, and fishing. The increase in daylight hours adds extra charm to the city’s summer festivities. The Octoberfest and Midsummer festivities take center stage, drawing crowds from across the globe. The warmth and vibrancy of June make this month the prime time to experience Hamina at its best.Sea temperature
In June, the average sea temperature is 13.6°C (56.5°F).Note: If planning to swim in 13.6°C (56.5°F) under 10°C (50°F), wear a protective suit. Neglecting this advice might cause immediate cold shock and troubled breathing. A splash around 13°C (55.4°F) is not much warmer.
Daylight
The month with the longest days is June, with an average of 18h and 54min of daylight.On the first day of June, sunrise is at 03:53 and sunset at 22:24. On the last day of the month, sunrise is at 03:46 and sunset at 22:43 EEST.
Updated: Jan 31, 2024
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
In Hamina, the average seawater temperature in June is 13.6°C (56.5°F). Swimming in 13.6°C (56.5°F) is considered life-threatening. Even a few minutes in 13°C (55.4°F) water is uncomfortable, and swimming below 10°C (50°F) may cause total loss of breathing control and cold shock, depending on a person's physique.
The month with the longest days in Hamina, Finland, is June, with an average of 18h and 54min of daylight.
In June, the average day length in Hamina, Finland, is 18h and 56min.
In June, on the first day of the month, sunrise is at 03:53 and sunset at 22:24. On the last day of the month, in Hamina, Finland, sunrise is at 03:46 and sunset at 22:43 EEST.
Average sea temperature in June
Hamina, Finland
- Average sea temperature in June: 13.6°C
The best month for swimming (with the highest average sea temperature) is July (19.3°C).
The coldest month (with the lowest average sea temperature) is February (-0.5°C).
Average daylight in June
Hamina, Finland
- Average daylight in June: 18h and 54min
The month with the longest days is June (Average daylight: 18h and 54min).
The month with the shortest days is December (Average daylight: 5h and 54min).





