In January, Tallinn typically sees daytime highs of -3.8°C and overnight lows around -8.5°C. Compared to the annual average high of 8.1°C, January runs -11.9°C.
January in Tallinn averages a daytime high of -3.8°C and an overnight low of -8.5°C.
January runs -11.9°C compared to Tallinn's annual average high of 8.1°C, ranking #11 of 12 months by warmth.
Plan for daytime highs near -3.8°C and cooler evenings around -8.5°C.