Tallinn vs Helsinki

Tallinn and Helsinki are closely matched in January. Neither city has a clear advantage across all metrics. Your decision should come down to personal preference, cultural interests, and travel logistics rather than weather alone.

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

For travelers who prioritize dry weather, Tallinn is the stronger choice in January. Helsinki receives 1 more hour of sunshine per day, which matters for sightseeing and outdoor activities.

Tallinn reaches an average high of -2°C (28°F) and drops to -14°C (7°F) at night during January. The daily temperature range is 12°C, meaning significant temperature swings between day and 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 33 mm of rainfall across 3 rain days during January. Rain is occasional, so a light rain jacket should suffice.

Helsinki sees 50 mm over 11 rain days. That makes Tallinn the drier option by 8 rain days and 17 mm of total precipitation.

Both cities share similar humidity levels at 65%.