Syros Weather in December

Average temperatures, rainfall, sunshine and the best places to visit in Syros, Greece in December.

Are you planning a trip a to Syros, Greece in December and wondering what kind of weather to expect? This page has all the details you need.

What to Expect in Syros in December

Syros, Greece is a region in Greece. December in Syros generally has mild temperatures, with moderate precipitation.

Temperatures

You can expect mild maximum daytime temperatures of around 16°C (61°F) and nighttime temperatures around 13°C (55°F) in Ermoupoli.

To learn more about the conditions in specific areas of Syros, Greece, check out the map below.

Precipitation

December is a moderate rainy month with an average rainfall of around 80 mm (3.1 in) in Ermoupoli.

Explore Syros by month

Best Places to Visit in Syros in December

Click on a destination dot for more details. Toggle the map to compare temperatures or precipitation across Syros.

perfect weather
pleasant
tolerable
unpleasant
poor

Perfect weather is subjective. On this map perfect weather has been defined with temperatures between 20°C (68°F) and 29°C (84°F) and not too much precipitation (less than 90 mm (3.5 in) a month).

Popular Destinations in Syros

What is the weather like in December for some of the most popular destinations in Syros, Greece?

Temperature range in Syros (December)

Precipitation variation in Syros (December)

Ermoupoli

In December Ermoupoli generally has moderate temperatures with maximum daytime temperatures around 16°C (61°F), minimum nighttime temperatures around 13°C (55°F) and moderate monthly rainfall. So on average the conditions are tolerable that month.

November
December
January
Max temperature
19°C (66°F)
16°C (61°F)
15°C (59°F)
Min temperature
16°C (61°F)
13°C (55°F)
11°C (52°F)
Monthly rainfall
50 mm (2 in)
80 mm (3.1 in)
81 mm (3.2 in)
Monthly rainy days
8 days
11 days
10 days
Weather conditions

Galissas

In December Galissas generally has moderate temperatures with maximum daytime temperatures around 16°C (61°F), minimum nighttime temperatures around 13°C (55°F) and moderate monthly rainfall. So on average the conditions are tolerable that month.

November
December
January
Max temperature
19°C (66°F)
16°C (61°F)
15°C (59°F)
Min temperature
16°C (61°F)
13°C (55°F)
12°C (54°F)
Monthly rainfall
51 mm (2 in)
81 mm (3.2 in)
81 mm (3.2 in)
Monthly rainy days
8 days
11 days
10 days
Weather conditions

Azolimnos

In December Azolimnos generally has moderate temperatures with maximum daytime temperatures around 16°C (61°F), minimum nighttime temperatures around 13°C (55°F) and moderate monthly rainfall. So on average the conditions are tolerable that month.

November
December
January
Max temperature
19°C (66°F)
16°C (61°F)
15°C (59°F)
Min temperature
16°C (61°F)
13°C (55°F)
12°C (54°F)
Monthly rainfall
48 mm (1.9 in)
78 mm (3.1 in)
80 mm (3.1 in)
Monthly rainy days
8 days
11 days
10 days
Weather conditions

Kini

In December Kini generally has moderate temperatures with maximum daytime temperatures around 16°C (61°F), minimum nighttime temperatures around 13°C (55°F) and moderate monthly rainfall. So on average the conditions are tolerable that month.

November
December
January
Max temperature
19°C (66°F)
16°C (61°F)
15°C (59°F)
Min temperature
16°C (61°F)
13°C (55°F)
11°C (52°F)
Monthly rainfall
50 mm (2 in)
80 mm (3.1 in)
81 mm (3.2 in)
Monthly rainy days
8 days
11 days
10 days
Weather conditions

Vári

In December Vári generally has moderate temperatures with maximum daytime temperatures around 16°C (61°F), minimum nighttime temperatures around 13°C (55°F) and moderate monthly rainfall. So on average the conditions are tolerable that month.

November
December
January
Max temperature
19°C (66°F)
16°C (61°F)
15°C (59°F)
Min temperature
16°C (61°F)
13°C (55°F)
12°C (54°F)
Monthly rainfall
49 mm (1.9 in)
79 mm (3.1 in)
80 mm (3.1 in)
Monthly rainy days
8 days
11 days
10 days
Weather conditions

Is your destination not in the list? Have a look at all destinations in Syros, in Greece.

In our records: Greece December extremes

Notable December records observed across cities in Greece in our climate database (1976 – 2026). Historic readings can vary in quality, so treat these as illustrative.

  • Based on our data, the coldest December night in Greece dropped to -20°C (-4°F) in The Metéora on December 19, 2001.
  • In our records, the coldest December daytime high in Greece was -6°C (21°F) in The Metéora on December 20, 2001.

Popular cities in December

Day & night temperatures, rainfall and average weather in Syros in December.

City Weather Day temp Night temp Rainfall
Ermoupoli 16°C (61°F) 13°C (55°F) 80 mm (3.1 in)
Galissas 16°C (61°F) 13°C (55°F) 81 mm (3.2 in)
Azolimnos 16°C (61°F) 13°C (55°F) 78 mm (3.1 in)
Kini 16°C (61°F) 13°C (55°F) 80 mm (3.1 in)
Vári 16°C (61°F) 13°C (55°F) 79 mm (3.1 in)
Finikas 16°C (61°F) 13°C (55°F) 81 mm (3.2 in)

Syros weather in December: frequently asked questions

What is the weather like in Syros, Greece in December?

Syros, Greece typically experiences tolerable weather in December, part of the season. Daytime highs in Ermoupoli average around 16°C (61°F), and temperatures drop to about 13°C (55°F) at night.

What is the average temperature in Syros, Greece in December?

Daytime temperatures in Ermoupoli peak at roughly 16°C (61°F) in December, dropping to about 13°C (55°F) overnight.

Does Syros, Greece get a lot of rain in December?

Not particularly. Ermoupoli averages just 80 mm (3.1 in) of rain in December, making it a mostly dry month for Syros, Greece.

Is December a Good Time to Visit Syros, Greece?

In our view, December might not be the best time to travel to Syros, Greece with often tolerable weather in Ermoupoli.

Generally speaking, the best visiting conditions can be found in April, May, June, July, August, September and October offering mostly perfect weather in Ermoupoli. On the other hand, the months of January, February, March and December tend to have tolerable weather conditions.

Interested in more climate information?

We have much more information about the climate in Syros.

Weather and climate has detailed information for every country in the world. Are you going to Greece? Get detailed historical weather averages for many cities in Greece.

Not sure yet where to go? We now have a tool which recommends destinations that suit your ideal travel conditions. Find out where to go with our weather planner.

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