In December, Espoo typically sees daytime highs of -0.3°C and overnight lows around -4.6°C. Compared to the annual average high of 7.7°C, December runs -8.0°C.
December in Espoo averages a daytime high of -0.3°C and an overnight low of -4.6°C.
December runs -8.0°C compared to Espoo's annual average high of 7.7°C, ranking #10 of 12 months by warmth.
Plan for daytime highs near -0.3°C and cooler evenings around -4.6°C.