Hanko Climate by Month
The climate in Hanko is marked by big temperature swings throughout the year.
Temperatures range from pleasant during the warmest months
to very cold in the cooler months.
It receives a reasonable amount of rain/snowfall.
Now, let’s explore all the climate details to give you a full picture.
Average day and night temperature
In Hanko, temperatures differ significantly between summer and winter months. Average daytime temperatures reach a pleasant 20°C in August. In February, the coolest month of the year, temperatures drop to a very cold -0°C. At night, expect cooler temperatures, averaging -5°C during this month.
The mean minimum and maximum temperatures throughout the year
Precipitation and rainy days
On average, Hanko receives a reasonable amount of rain/snowfall, with an annual precipitation of 739 mm. Hanko can be quite wet during October, receiving approximately 91 mm of precipitation over 16 rainy days. In contrast May, experiences much drier conditions, with 36 mm of rainfall, spread across 10 rainy days.The mean monthly precipitation over the year, including rain, hail and snow
The average number of days each month with precipitation
The best time of year to visit Hanko in Finland
Other facts from our historical weather data:The coldest season / winter is in the following months: January, February and March.
August has an average maximum temperature of 20°C and is the warmest month of the year.
The coldest month is February with an average maximum temperature of -0°C.
October tops the wettest month list with 91 mm of rainfall.
May is the driest month with 36 mm of precipitation.
No idea where to travel to this year? We have a tool that recommends destinations based on your ideal conditions. Find out where to go with our weather planner.
