Weather in Greece for December 2025
Moderate Fog Warning - See hour by hour.
Until now, December 2025 in Greece has been nearly identical to the historical average, with a temperature of 14.9 °C (showing only a slight deviation of -0.5 °C).
The forecast for the next days in Greece predicts temperatures to be around 14 °C, close to the historical average.
In general, the average temperature in Greece at the beginning of December is 16 °C. As the month progressed, temperatures tended to noticeably cool down, reaching an average of 13.9 °C by the end of December.
Greece in December brings notable rainfall, with an average of 16 rainy days and a total precipitation of 63 mm.
Is December a good time to visit Greece? check out the best time to travel to Greece page.
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Greece Weather December
What’s the Weather Like in Greece This December?
Temperatures trend during December in Greece
December weather in Greece day by day
| Date | Weather | Temperatures | Rain | UV | More |
|---|---|---|---|---|---|
| 1 Dec. |  Sunny | 16° /9° | 2.9 mm | 4 | |
| 2 Dec. |  Patchy rain possible | 16° /10° | 0.1 mm | 4 | |
| 3 Dec. |  Overcast | 17° /11° | 0.7 mm | 4 | |
| 4 Dec. | Patchy rain possible | 15° /11° | 8 mm | 4 | |
| 5 Dec. | Overcast | 16° /10° | 7 mm | 4 | |
| 6 Dec. |  Partly cloudy | 17° /10° | 1.1 mm | 5 | |
| 7 Dec. | Light rain shower | 15° /10° | 2.6 mm | 4 | |
| 8 Dec. | Partly cloudy | 15° /9° | 0.7 mm | 4 | |
| 9 Dec. | Sunny | 15° /9° | 0.5 mm | 4 | |
| 10 Dec. | Patchy rain possible | 16° /10° | 2.1 mm | 4 | |
| 11 Dec. | Patchy rain possible | 15° /10° | 3.1 mm | 4 | |
| 12 Dec. | Sunny | 17° /9° | 2.4 mm | 5 | |
| 13 Dec. | Partly cloudy | 15° /8° | 4.2 mm | 4 | |
| 14 Dec. |  Moderate or heavy rain shower | 13° /8° | 7.2 mm | 3 | |
| 15 Dec. |  Cloudy | 15° /9° | 3.5 mm | 4 | |
| 16 Dec. | Patchy rain possible | 14° /7° | 2.1 mm | 4 | |
| 17 Dec. | Sunny | 14° /7° | 0.1 mm | 4 | |
| 18 Dec. | Sunny | 14° /7° | 1.3 mm | 4 | |
| 19 Dec. | Sunny | 16° /8° | 0 mm | 0.4 | |
| 20 Dec. | Patchy rain possible | 14° /10° | 0.1 mm | 0.2 | |
| 21 Dec. | Patchy rain possible | 15° /11° | 0.2 mm | 0.3 | |
| 22 Dec. | Patchy rain possible | 15° /9° | 0.2 mm | 0.5 | |
| 23 Dec. | Partly cloudy | 14° /9° | 0 mm | 4 | |
| 24 Dec. | Sunny | 17° /10° | 0 mm | 4 | |
| 25 Dec. | Sunny | 16° /10° | 0 mm | 4 | |
| 26 Dec. | Patchy rain possible | 16° /10° | 0.1 mm | 3 | |
| 27 Dec. |  Moderate rain | 15° /11° | 5.8 mm | 3 | |
| 28 Dec. | Patchy rain possible | 13° /11° | 1.7 mm | 3 | |
| 29 Dec. | Patchy rain possible | 11° /10° | 0.3 mm | 3 | |
| 30 Dec. | Partly cloudy | 13° /9° | 0 mm | 4 | |
| 31 Dec. | Cloudy | 13° /8° | 0 mm | 3 | |
| Next | |||||
Greece weather in December vs November vs January
| November | December | January | |
|---|---|---|---|
| Weather | Sunny | Patchy rain possible | Patchy rain possible |
| Temperatures | 18°/12° | 14°/9° | 13°/7° |
| Rainfall | 32 mm | 63 mm | 42 mm |
| Wind | 19.5 km/h | 17 km/h | 17.6 km/h |
| Humidity | 65% | 73% | 71% |
| Rainy days | 8 days | 16 days | 15 days |
| Dry days | 22 days | 15 days | 16 days |
Planning a trip to Greece? Discover the best time to visit
Guide for Greece in December
In December, Greece experiences a transition from mild autumn weather to cooler temperatures as winter approaches. At the beginning of the month, southern regions such as Athens and the Greek islands typically have relatively mild temperatures, with average highs around 16° and lows around 10°.
However, as the month progresses, the temperatures tend to drop, especially in the northern parts of the country. By the end of December, areas like Thessaloniki may experience cooler conditions, with average highs around 10° and lows around 4°.
The weather in Greece during December is generally characterized by occasional rainfall, especially in the coastal areas and the islands. The northern regions may also experience some snowfall, particularly in mountainous areas.
Additionally, December sees shorter daylight hours, with around 9 hours of daylight at the beginning of the month decreasing to about 8 hours by the end of December.
Overall, December in Greece offers a mix of mild and cooler temperatures, with the potential for rain and even snow in some areas.
Travelers visiting Greece during this time should be prepared for varying weather conditions and can enjoy a festive atmosphere with holiday decorations and events throughout the country.
Greece in December - FAQ
Greece water temperatures in December
The average water temperature of the Mediterranean Sea near Greece in December is 19.5 °C. At the beginning of December temperatures are around 19.7 °C; by the end of the month they get a bit cooler and reach 19 °C.
- What is the water temperature in Greece in December?
- The average water temperature in Greece in December is 19.5 °C.
- Can you swim in Greece in December?
- Refreshing and invigorating. Expect to feel chilled after 10–20 minutes; a shorty wetsuit extends water time, especially at dawn.
What to pack to Greece in December?
As you prepare for your trip to Greece in December, it's important to consider the typical weather patterns for the time of year. Below is a carefully tailored packing list to ensure that your time in Greece, during December, is comfortable and enjoyable, regardless of the weather conditions.
- Clothing
- Warm Clothing: Sweaters, hoodies, long pants
- Rain Gear: Lightweight, waterproof clothing
- Footwear
- Waterproof Shoes
- Accessories
- Scarves: To protect you from the cold wind
- Gloves/Mittens: Essential for cold weather
- Warm Hats: Warm hats for insulation in cold weather
- Umbrellas/Raincoats: For rainy days
December rainfall patterns in Greece
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