Greece
Skiathos in December: weather, sea & travel advice
This month's data profile
Clear transition month
Skiathos in December is climatically mixed. The average daily high is around 13 °C, and the sea is about 16 °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
40/100 · #11
Warmth
#10
Dryness
#12
Sun
#12
Sea warmth
#8
Published best categories: none
Skiathos · DecemberPhoto: Shi Annan · CC BY-SA 4.0Climate facts
- Average high
- 13 °C
- Average low
- 11 °C
- Sea
- 16 °C
- Rainy days (est.)
- 10 rainy days (est.)
- Sun (est.)
- 2 h/day
- Humidity
- 78 %
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 | 17 | 14 | 9 | 61 | 2.5 | 77 | 4.3 | 18 | 57 |
| December (selected) | 13 | 11 | 10 | 78 | 1.9 | 78 | 4.8 | 16 | 40 |
| January | 12 | 9 | 10 | 65 | 2.2 | 78 | 4.9 | 14 | 37 |
How do the previous and next months compare?
Baseline: December (40/100)
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 | +17 | +3.5 °C | +3.4 °C | -1.7 | -16.6 mm | +0.6 h | -1.2 % | -0.5 m/s | +2.6 °C |
| January | -3 | -1.5 °C | -1.6 °C | -0.5 | -12.7 mm | +0.3 h | -0.2 % | ±0 m/s | -1.5 °C |
All twelve months in context
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Frequently asked questions
How warm is Skiathos in December?
The average daily high is around 13 °C, with an average daily low of about 11 °C.
Can you swim in Skiathos in December?
The sea is about 16 °C (cold).
Does it rain a lot in Skiathos in December?
The curated estimate is about 10 rainy days per month, not a directly measured long-term average. Total precipitation averages around 78 mm for the month. A rainy day does not mean all-day rain.
When is the best time to visit Skiathos?
By the climate score, June, July, August and September are the strongest months for Skiathos. For a beach trip: June, July, August and September. December is not among them.