Hanko Weather in April
April in Hanko brings low temperatures around 5°C (41°F) during the day, dropping to 1°C (34°F) at night, with some rainfall expected.
Rainfall in Hanko in April
The climate data from previous years indicates about 12 days of rain, averaging 36 mm (1.4 in) for the month. Neither particularly heavy nor particularly frequent, the rain this month is about average. A light jacket should be enough on most wet days.
Temperature in Hanko in April
April in Hanko brings low temperatures, with highs of 5°C (41°F) and nights around 1°C (34°F). Cold conditions persist throughout the day, so warm clothing is important from the moment you head outside. Nights drop to 1°C (34°F). Cold nights like these are actually great for sleeping well, as long as you have a warm enough duvet.April in Hanko can still be great, but if you prefer pleasant temperatures along with dry and sunny conditions, our weather planner can help you explore other options in the world.
Check the conditions for any month of the year.
For a detailed overview over the year and the best time to visit Finland, check out our Hanko's climate page.
Hanko Temperature in April
Min Temperature
1°C (34°F)
Max Temperature
5°C (41°F)
Chance of Rain
38%
Precipitation
36 mm (1.4 in)
Rainy days
12 days
Daily Historical Temperatures
49-year average (1976-2025)
Based on our historical records, temperatures in Hanko typically rise from around 3°C (37°F) at the start of April to approximately 7°C (45°F) by the end. Nights are cold, with lows typically ranging from -1°C (30°F) to 3°C (37°F).
Average temperatures in April
Daily Historical Precipitation
49-year average (1976-2025)
Average daily rainfall for each day of the month based on long-term records.
Average precipitation in April
Historical weather for Hanko in April
Browse day-by-day weather records for Hanko spanning 51 years. Select any month and year to see actual temperatures, rainfall, and conditions recorded on each day.
Hanko historical weather extremes in April
The extremes listed below come from historical weather data collected in Hanko from 1989 through 2026.
- On April 22, 2014, temperatures climbed to 18°C (64°F), marking the warmest April day on record.
- The lowest daytime temperature in April was -2°C (28°F), recorded on April 1, 2003.
- The coldest night in April in Hanko was on April 9, 2013, with a minimum of -9°C (16°F).
Best Places in Finland in April
Find out more about the weather in Finland and which places have the best travel conditions in this month. See all of Finland in April →
perfect weather
pleasant
tolerable
unpleasant
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What to Wear in Hanko in April
Cold weather calls for smart layering in April. A thermal base layer makes a huge difference in staying warm. Add a wool sweater or fleece, then a wind-resistant outer jacket. Pack a light rain jacket or compact umbrella for occasional showers.What To Do in Hanko in April
We rated the following activities from 1 (least suitable) to 10 (best) to do.
Check the conditions for any month of the year.
For a detailed overview over the year and the best time to visit Finland, check out our Hanko's climate page.
See the full Hanko climate overview or explore weather in Finland.
