Climate guide for Symi, Greece

Symi in December

Weather, crowds & best time to visit

How to read the score (0–10)
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December · Greece

Best time to visit Symi in December Weather, crowds & prices

Weather in Symi in December

Average temperature 17°C, 202 mm of rain, about 0 days with 6+ hours of sunshine and 73% humidity — based on the five most recent complete years of ERA5 data (2021–2025).

December score

1.8/10

Ranked #11 of 12 months

Full year for Symi
Avg temp
17°C
Rainfall
202 mm
Humidity
73%
Days with 6h+ sun
0
Crowd Density
Quiet / Uncrowded
Average Expenses
$ · Budget Friendly ($)

December in Symi scores 1.8/10 for beach and coastal travel - ranked #11 of 12. Expect around 17°C, 202 mm of rain, and roughly 0 days with 6+ hours of sunshine this month.

Symi's neoclassical harbour houses climb a hillside above one of the Aegean's prettiest ports.

December in Symi — the hardest end of the year

December averages 17°C (63°F), the range most people find easiest for walking a city all day without either overheating or losing daylight to weather.

202 mm of rain puts this in monsoon territory — almost no days with 6+ hours of sunshine across the whole month, and multi-day washouts are normal.

It scores 1.8/10 here, 11th of 12 months, against 10/10 in the destination's best month.

Pack layers you can shed by midday plus one warm layer for the evening, a proper rain shell rather than an umbrella.

Plan for low-season pricing, with crowds are light for this destination.

Flexible dates? June scores 8.2 points higher here — enough to change the trip.

View all 12 months

Ranked by pure climate comfort

Score scale: 0.0 → 10.0Quiet / UncrowdedModerate CrowdsPeak Tourist Rush

Frequently asked

What is the weather like in Symi in December?
In December, Symi averages 17°C, 202 mm of rain, and about 0 days with 6+ hours of sunshine. Its climate-comfort score is 1.8/10.
Is December a good time to visit Symi?
December earns a 1.8/10 climate-comfort score. Use the year-round chart to weigh the weather against your budget and crowd preferences.
How much does it rain in Symi in December?
Expect about 202 mm of rain in December. Average humidity is 73% and there are about 0 days with 6+ hours of sunshine.

Curated in Symi

Tickets & experiences

Things to do in Symi

Symi, Greece. Live activities and tours from GetYourGuide, matched to this destination.