Thessaloniki weather in December
December in Thessaloniki: cool, rainy, with clean air — a good time to visit.
#11 of 12 months in Thessaloniki · #341 of 604 destinations to visit in December · comfort 68/100 (tier C)
Updated June 2026 · climate normals from ERA5 reanalysis
Thessaloniki climate normals — December
| Daytime high | 12°C / 54°F | 🙂 cool |
|---|---|---|
| Nighttime low | 6°C / 42°F | |
| Feels like (high) | 10°C / 50°F | |
| Rainfall | 85 mm / 3.4 in | 🌧 rainy |
| Rainy days | 9 days | |
| Humidity | 83% | 💦 very humid |
| Dew point | 6°C / 43°F | |
| Sunshine | 5.3 h/day | |
| Daylight | 9.3 h | |
| Wind | 11 km/h / 7 mph | |
| Snowfall | 2.1 cm / 0.8 in | |
| Air quality (US AQI) | 34 | 🍃 good |
Monthly averages from ERA5 reanalysis. AQI is the mean US Air Quality Index for the month.
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Thessaloniki in December — FAQ
- Is December a good time to visit Thessaloniki?
- December in Thessaloniki: cool, rainy, with clean air — a good time to visit. It ranks #11 of 12 months for Thessaloniki on SeasonMap's comfort score (68/100).
- What is the weather like in Thessaloniki in December?
- In December, Thessaloniki averages a daily high of 12.2°C and a low of 5.5°C, with about 85.4 mm of rain over roughly 8.6 rainy days.
- What is the air quality in Thessaloniki in December?
- Thessaloniki has a mean US Air Quality Index of about 34 in December.
- Does it snow in Thessaloniki in December?
- Thessaloniki sees roughly 2.1 cm of snowfall in December.