Tallinn vs Helsinki

Based on sunshine hours, rain days, comfortable temperatures, and humidity levels, Tallinn edges ahead as the better destination in January. Tallinn offers 2 hours of daily sunshine with only 11 rain days, while Helsinki sees 1 sunshine hours and 11 rain days.

Tallinn is on the cooler side at -1°C, requiring warmer clothing. Helsinki is cooler at -2°C.

For travelers who prioritize dry weather, both cities are equally dry in January. Tallinn receives 1 more hour of sunshine per day, which matters for sightseeing and outdoor activities.

Tallinn reaches an average high of -1°C (30°F) and drops to -5°C (23°F) at night during January. The daily temperature range is 4°C, meaning relatively stable temperatures from day to night.

Helsinki averages -2°C (28°F) for the high and -6°C (21°F) for the low, with a daily range of 4°C. The two cities feel quite similar in terms of temperature.

Both cities are in the Northern Hemisphere, so they share the same seasonal pattern in January.

Tallinn receives approximately 44 mm of rainfall across 11 rain days during January. You can expect rain roughly every other day.

Helsinki sees 50 mm over 11 rain days. Both cities are equally rainy this month.

Both cities share similar humidity levels at 65%.