Greece
Thassos in December: weather, sea & travel advice
This month's data profile
Clear transition month
Thassos in December is climatically mixed. The average daily high is around 12 °C, and the sea is about 15 °C. With about 10 rainy days it is wet.
Historical monthly averages, not a weather forecast. Individual days and years can differ substantially.
Rank among 12 monthly averages
38/100 · #11
Warmth
#10
Dryness
#12
Sun
#12
Sea warmth
#8
Published best categories: none
Thassos · DecemberPhoto: Shtilian Shterev · CC BY-SA 3.0Climate facts
- Average high
- 12 °C
- Average low
- 10 °C
- Sea
- 15 °C
- Rainy days (est.)
- 10 rainy days (est.)
- Sun (est.)
- 2 h/day
- Humidity
- 76 %
Climate evidence with direct month comparison
The highlighted row is the selected month. Precipitation total and rainy days are separate monthly averages.
| Month | Avg high °C | Avg low °C | Rainy days (est.) | Precipitation mm | Sun h/day (est.) | Humidity % | Wind m/s | Sea °C | Score |
|---|---|---|---|---|---|---|---|---|---|
| November | 16 | 13 | 9 | 63 | 2.5 | 76 | 4.4 | 17 | 52 |
| December (selected) | 12 | 10 | 10 | 77 | 1.9 | 76 | 4.8 | 15 | 38 |
| January | 11 | 8 | 9 | 58 | 2.3 | 75 | 4.7 | 13 | 37 |
How do the previous and next months compare?
Baseline: December (38/100)
Positive and negative values show the change from the selected month.
| Score Δ | Average high Δ | Average low Δ | Rainy days Δ | Rain Δ | Sun Δ | Humidity Δ | Wind Δ | Sea Δ | |
|---|---|---|---|---|---|---|---|---|---|
| November | +14 | +3.6 °C | +3.6 °C | -1.7 | -14.5 mm | +0.6 h | +0.1 % | -0.4 m/s | +2.4 °C |
| January | -1 | -1.5 °C | -1.6 °C | -1.1 | -19 mm | +0.4 h | -0.5 % | -0.1 m/s | -1.5 °C |
All twelve months in context
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Useful next decisions
Frequently asked questions
How warm is Thassos in December?
The average daily high is around 12 °C, with an average daily low of about 10 °C.
Can you swim in Thassos in December?
The sea is about 15 °C (cold).
Does it rain a lot in Thassos in December?
The curated estimate is about 10 rainy days per month, not a directly measured long-term average. Total precipitation averages around 77 mm for the month. A rainy day does not mean all-day rain.
When is the best time to visit Thassos?
By the climate score, June, July, August and September are the strongest months for Thassos. For a beach trip: June, July, August and September. December is not among them.