May weather forecastHamina, Finland
May
Weather in May
May witnesses the blossoming of the vibrant Finnish summer. The sea temperature soars to 6.8°C (44.2°F), inviting locals and tourists to enjoy water-based activities. The increased daylight offers ample opportunity to explore and appreciate the beauty of Hamina's lush green landscapes. The lengthening days and warmer weather conditions set a festive mood in the city. It is during this time of the year that Hamina truly comes to life, shedding the last vestiges of the winter season.Sea temperature
In Hamina, Finland, the average seawater temperature in May is 6.8°C (44.2°F).Note: In 6.8°C (44.2°F), even brief exposure to 13°C (55.4°F) feels biting, and anything less than 10°C (50°F) risks cold shock and impaired breathing, considering one's health.
Daylight
In Hamina, the average length of the day in May is 17h and 20min.On the first day of the month, sunrise is at 05:04 and sunset at 21:12. On the last day of May, in Hamina, sunrise is at 03:54 and sunset at 22:23 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, in May, the average water temperature is 6.8°C (44.2°F). At temperatures below 10°C (50°F), swimming in a suitably protected swimsuit is feasible; otherwise, cold shock and loss of breathing control are imminent. Even a short swim, without thermal protection, at temperatures around 13°C (55.4°F) is not comfortable.
In May, the average day length in Hamina is 17h and 20min.
On the first day of May in Hamina, sunrise is at 05:04 and sunset at 21:12. On the last day of the month, sunrise is at 03:54 and sunset at 22:23 EEST.
Average sea temperature in May
Hamina, Finland
- Average sea temperature in May: 6.8°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 May
Hamina, Finland
- Average daylight in May: 17h and 18min
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).





