In December, Athens typically sees daytime highs of 13.0°C and overnight lows around 0.9°C. Compared to the annual average high of 22.6°C, December runs -9.6°C.
December in Athens averages a daytime high of 13.0°C and an overnight low of 0.9°C.
December runs -9.6°C compared to Athens's annual average high of 22.6°C, ranking #11 of 12 months by warmth.
Plan for daytime highs near 13.0°C and cooler evenings around 0.9°C.