Hamina
Finland
Long-term weather forecast
Long-term weather forecast

July weather forecast and climate
Hamina, Finland

Sea temperature

Julio is the month with the warmest seawater in Hamina, Finland, with an average sea temperature of 19.3°C (66.7°F).
Note: For swimming, a surface water temperature of 19.3°C (66.7°F) is not enjoyable for the majority. It is not considered safe, as controlling breathing becomes progressively more difficult as water temperature decreases below 21°C (69.8°F).

Daylight

The average length of the day in Julio in Hamina is 18.1h.

When is the sea warmest in Hamina?

The month with the warmest seawater in Hamina is Julio, with an average sea temperature of 19.3°C (66.7°F).

What is the sea temperature in Julio in Hamina?

In Julio, the average sea temperature is 19.3°C (66.7°F). Swimming in 19.3°C (66.7°F) is not enjoyable for the majority. Controlling breathing becomes progressively more difficult as surface water temperature decreases below 21°C (69.8°F).

What is the average length of the day in Julio in Hamina?

In Julio, the average length of the day in Hamina, Finland, is 18.1h.
Average sea temperature in July - Hamina, Finland
  • Average sea temperature in July: 19.3°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 July - Hamina, Finland
  • Average daylight in July: 18.1h

The month with the longest days is June (Average daylight: 18.9h).
The month with shortest days is December (Average daylight: 5.9h).