December · Greece
Best time to visit Santorini in December Weather, crowds & prices
Weather in Santorini in December
Average temperature 15°C, 60 mm of rain, about 29 days with 6+ hours of sunshine and 70% humidity — based on the five most recent complete years of ERA5 data (2021–2025).
December score
5.8/10
Ranked #12 of 12 months
- Avg temp
- 15°C
- Rainfall
- 60 mm
- Humidity
- 70%
- Days with 6h+ sun
- 29
- Crowd Density
- Quiet / Uncrowded
- Average Expenses
- $ · Budget Friendly ($)
December in Santorini scores 5.8/10 for beach and coastal travel - ranked #12 of 12. Expect around 15°C, 60 mm of rain, and roughly 29 days with 6+ hours of sunshine this month.
Santorini is far more than an Oia sunset: volcanic footpaths, black-sand coves, and village tavernas feel most balanced in June, September, and early October.
December in Santorini — workable with trade-offs
Temperatures hover around 15°C (60°F) — the kind of month where neither heat nor cold forces the schedule.
Budget for roughly 60 mm of rain this month — a flexible day or two helps — with about 29 days with 6+ hours of sunshine and 9.7 hours of daylight to work around it.
That is 5.8/10 on the same scale — 12th of 12 months, versus 10/10 for the best month here.
Pack layers you can shed by midday plus one warm layer for the evening, a packable rain layer.
Budget for low-season pricing, and crowds are light for this destination.
If your dates are flexible, June is materially better in Santorini — 4.2 points higher on the same scale.
Frequently asked
- What is the weather like in Santorini in December?
- In December, Santorini averages 15°C, 60 mm of rain, and about 29 days with 6+ hours of sunshine. Its climate-comfort score is 5.8/10.
- Is December a good time to visit Santorini?
- December earns a 5.8/10 climate-comfort score. Use the year-round chart to weigh the weather against your budget and crowd preferences.
- How much does it rain in Santorini in December?
- Expect about 60 mm of rain in December. Average humidity is 70% and there are about 29 days with 6+ hours of sunshine.
Curated in Santorini
Tickets & experiences
Things to do in Santorini
Santorini, Greece. Live activities and tours from GetYourGuide, matched to this destination.