Weather in Thessaly for December 2026
In general, the average temperature in Thessaly at the beginning of December is 15 °C. As the month progressed, temperatures tended to noticeably cool down, reaching an average of 12.5 °C by the end of December.
The climate of Thessaly in December is notably wet, with an average of 14 rainy days, and a total of 205.9 mm of precipitation.
Is December a good time to visit Thessaly? check out the best time to travel to Thessaly page.
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Thessaly Weather December
What’s the Weather Like in Thessaly This December?
Temperatures trend during December in Thessaly
December weather in Thessaly day by day
| Date | Weather | Temperatures | Rain | UV | More |
|---|---|---|---|---|---|
| 1 Dec. |  Light rain | 15° /13° | 7.8 mm | 2.1 | |
| 2 Dec. |  Moderate rain | 16° /14° | 13 mm | 2.1 | |
| 3 Dec. | Light rain | 16° /14° | 5.5 mm | 2.1 | |
| 4 Dec. | Moderate rain | 15° /13° | 12 mm | 2.1 | |
| 5 Dec. | Moderate rain | 15° /13° | 11.7 mm | 2 | |
| 6 Dec. | Light rain | 14° /13° | 6.6 mm | 2 | |
| 7 Dec. | Moderate rain | 14° /13° | 17.9 mm | 2 | |
| 8 Dec. |  Moderate or heavy rain with thunder | 14° /11° | 21.2 mm | 2 | |
| 9 Dec. | Light rain | 13° /12° | 8.1 mm | 2 | |
| 10 Dec. |  Patchy rain possible | 14° /12° | 0.8 mm | 2 | |
| 11 Dec. | Patchy rain possible | 14° /13° | 0.2 mm | 2 | |
| 12 Dec. |  Sunny | 14° /13° | 0 mm | 2 | |
| 13 Dec. | Light rain shower | 14° /13° | 1.6 mm | 1.9 | |
| 14 Dec. |  Overcast | 15° /13° | 0.3 mm | 1.9 | |
| 15 Dec. | Patchy rain possible | 14° /12° | 1.4 mm | 1.9 | |
| 16 Dec. |  Heavy rain | 13° /10° | 29.2 mm | 1.9 | |
| 17 Dec. | Patchy rain possible | 12° /11° | 0.4 mm | 1.9 | |
| 18 Dec. | Sunny | 13° /12° | 0 mm | 1.9 | |
| 19 Dec. | Overcast | 14° /13° | 0 mm | 1.9 | |
| 20 Dec. | Sunny | 14° /13° | 0.5 mm | 1.9 | |
| 21 Dec. | Light rain | 14° /12° | 3.4 mm | 1.9 | |
| 22 Dec. | Patchy rain possible | 14° /12° | 1.3 mm | 1.9 | |
| 23 Dec. | Patchy rain possible | 14° /12° | 1 mm | 1.9 | |
| 24 Dec. | Patchy rain possible | 14° /12° | 1.8 mm | 1.9 | |
| 25 Dec. | Moderate rain | 13° /11° | 13 mm | 1.9 | |
| 26 Dec. | Heavy rain | 12° /11° | 26.4 mm | 1.9 | |
| 27 Dec. | Light rain | 12° /10° | 8.1 mm | 1.9 | |
| 28 Dec. | Light rain | 13° /10° | 5.5 mm | 1.9 | |
| 29 Dec. |  Partly cloudy | 12° /11° | 0.2 mm | 1.9 | |
| 30 Dec. | Partly cloudy | 13° /11° | 0.5 mm | 2 | |
| 31 Dec. | Light rain | 12° /10° | 6.6 mm | 2 | |
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Thessaly weather in December vs November vs January
| November | December | January | |
|---|---|---|---|
| Weather | Patchy rain possible | Patchy rain possible | Patchy rain possible |
| Temperatures | 17°/15° | 14°/12° | 13°/10° |
| Rainfall | 75 mm | 206 mm | 68 mm |
| Wind | 27 km/h | 28.9 km/h | 30.8 km/h |
| Humidity | 67% | 70% | 69% |
| Rainy days | 7 days | 14 days | 8 days |
| Dry days | 23 days | 17 days | 23 days |
Planning a trip to Thessaly? Discover the best time to visit
Thessaly in December - FAQ
What are the expected maximum and minimum temperatures in Thessaly during December?
How much rainfall should be expected in Thessaly during December?
What are the typical wind conditions in Thessaly during December?
Thessaly water temperatures in December
The average water temperature of the Mediterranean Sea near Thessaly in December is 16.9 °C. At the beginning of December temperatures are around 17.4 °C; by the end of the month they get a bit cooler and reach 16.5 °C.
- What is the water temperature in Thessaly in December?
- The average water temperature in Thessaly in December is 16.9 °C.
- Can you swim in Thessaly in December?
- Brisk: quick dips and active swimming are fine, but pack a 2–3 mm spring suit if you plan longer sessions or early-morning outings.
December rainfall patterns in Thessaly
What to pack to Thessaly in December?
Mild · highs around 14 °C, frequent showers
As you prepare for your trip to Thessaly 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 Thessaly, during December, is comfortable and enjoyable, regardless of the weather conditions.