Climate averages 1991–2020
Weather in Greece in December
In December, average daytime highs across the 11 cities listed in Greece range from 10.0°C in Évosmos to 15.6°C in Irákleion. Monthly rainfall ranges from 58 mm in Athens to 126 mm in Pátra.
Long-term climate patterns, not a forecast for a particular trip.
City by city
December in Greece
| City | Average highHigh / low | Average low | Rainfall mm | Rain days |
|---|---|---|---|---|
| Athens | 13.2°C7.3°C | 7.3°C | 58 | 7.8 |
| Thessaloníki | 10.2°C3.9°C | 3.9°C | 69 | 8.0 |
| Pátra | 12.5°C6.2°C | 6.2°C | 126 | 13.1 |
| Piraeus | 13.3°C7.5°C | 7.5°C | 58 | 7.8 |
| Lárisa | 10.7°C3.6°C | 3.6°C | 83 | 9.9 |
| Irákleion | 15.6°C10.0°C | 10.0°C | 64 | 11.3 |
| Acharnés | 13.0°C6.3°C | 6.3°C | 58 | 7.8 |
| Glyfáda | 13.8°C8.8°C | 8.8°C | 61 | 7.5 |
| Volos | 12.0°C6.9°C | 6.9°C | 112 | 11.6 |
| Évosmos | 10.0°C3.0°C | 3.0°C | 69 | 8.0 |
| Khalándrion | 12.7°C6.8°C | 6.8°C | 58 | 7.8 |
A rain day is a local calendar day with at least 1 mm of precipitation.