Hanko Weather in January
January in Hanko brings very low temperatures, with highs of 2°C (36°F) and nights dropping to -3°C (27°F). Rainfall is on the higher side this month, averaging around 61 mm (2.4 in), so keep a rain jacket handy.
Rainfall in Hanko in January
Analyzing past climate data, one can expect approximately 18 days of snow/rain, averaging 61 mm (2.4 in). With rain spread across many days but low totals, showers are typically short and light rather than heavy.
Temperature in Hanko in January
If you're visiting Hanko in January, expect highs of 2°C (36°F) and overnight lows around -3°C (27°F). Experience the winter season in January. Expect a distinctly cold feel throughout the day, not just overnight. With lows of -3°C (27°F), nights are freezing. Packing a spare blanket is worth considering if you're staying somewhere that might not be fully heated. You will probably experience very cold weather in this month, so dressing warmly is vital. Be sure to prepare for the chill with the right clothing.If you prefer dry days with pleasant temperatures, January may not be the ideal month to visit Hanko. Our weather planner can help you explore destinations with more pleasant weather conditions.
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 January
Min Temperature
-3°C (27°F)
Max Temperature
2°C (36°F)
Chance of Rain
61%
Precipitation
61 mm (2.4 in)
Rainy days
18 days
Daily Historical Temperatures
51-year average (1976-2026)
Based on our historical records, temperatures in Hanko typically stay consistent throughout January, with daily highs averaging around 2°C (36°F). Nights are very cold, with lows typically ranging from -6°C (21°F) to -3°C (27°F).
Average temperatures in January
Daily Historical Precipitation
51-year average (1976-2026)
Average daily rainfall for each day of the month based on long-term records.
Average precipitation in January
Historical weather for Hanko in January
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 January
Based on weather observations in Hanko between 2000 and 2025, these are the recorded extremes during January.
- The warmest day in January was on January 10, 2007, with a maximum of 7°C (45°F).
- The lowest overnight temperature recorded in January was -19°C (-2°F) (January 7, 2016).
Best Places in Finland in January
Find out more about the weather in Finland and which places have the best travel conditions in this month. See all of Finland in January →
perfect weather
pleasant
tolerable
unpleasant
poor
What to Wear in Hanko in January
We recommend to layer up for chilly conditions in Hanko in January. You could start with thermal underwear or a good base layer to keep your core warm on the cooler days this month. Maybe also add a sweater or fleece, and top it off with a windproof jacket. Rain is likely on several days, so bring a good rain jacket.What To Do in Hanko in January
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.
