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This is something you might want to add to your bucket list. August is also the perfect time to visit Finland. The days are long and the temperature is amazing.
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.
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
Hanko Weather by Month
Pick a month to see the average temperature, rainfall and sunshine in Hanko - and find the best time to visit.
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 records 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
poor
Perfect weather is subjective. On this map perfect weather has been defined with temperatures between 20°C (68°F) and 29°C (84°F) and not too much precipitation (less than 90 mm (3.5 in) a month).
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.
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Cycling3/10 -
Walking3/10 -
Barbeque1/10 -
Camping5/10 -
Outdoor sports3/10
Hanko 3-Day Forecast
More climate data for Hanko
See the full Hanko climate overview or explore weather in Finland.
Popular in April
Where to go in April - average daytime high across popular destinations.
Helsinki
9°C (48°F) Turku10°C (50°F) Tampere
8°C (46°F) Vuokatti
6°C (43°F) Rovaniemi5°C (41°F) Äkäslompolo5°C (41°F) Ruka4°C (39°F) Levi4°C (39°F) Bucket list
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