Weather in Portimão for December 2026
In general, the average temperature in Portimão at the beginning of December is 17.2 °C. As the month progressed, temperatures tended to moderately fall, reaching an average of 16.2 °C by the end of December.
Portimão experiences moderate rainfall in December, with an average of 6 rainy days and a total precipitation of 54.3 mm.
Is December a good time to visit Portimão? check out the best time to travel to Portimão page.
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Portimão Weather December
Temperatures trend during December in Portimão
December weather in Portimão day by day
| Date | Weather | Temperatures | Rain | UV | More |
|---|---|---|---|---|---|
| 1 Dec. |  Light rain | 18° /12° | 7.2 mm | 2.5 | |
| 2 Dec. |  Patchy rain possible | 17° /12° | 1.8 mm | 2.4 | |
| 3 Dec. |  Partly cloudy | 16° /11° | 0.1 mm | 2.4 | |
| 4 Dec. | Patchy rain possible | 17° /12° | 1.2 mm | 2.4 | |
| 5 Dec. | Light rain | 17° /12° | 2.8 mm | 2.4 | |
| 6 Dec. | Patchy rain possible | 18° /13° | 0.1 mm | 2.4 | |
| 7 Dec. |  Overcast | 18° /13° | 0 mm | 2.3 | |
| 8 Dec. | Partly cloudy | 16° /11° | 0.1 mm | 2.3 | |
| 9 Dec. | Light rain | 17° /11° | 4.5 mm | 2.3 | |
| 10 Dec. |  Sunny | 17° /11° | 0.4 mm | 2.3 | |
| 11 Dec. | Patchy rain possible | 16° /11° | 0.2 mm | 2.3 | |
| 12 Dec. | Light rain | 15° /12° | 5.9 mm | 2.3 | |
| 13 Dec. | Patchy rain possible | 16° /11° | 1.2 mm | 2.3 | |
| 14 Dec. | Sunny | 16° /11° | 0.1 mm | 2.3 | |
| 15 Dec. | Light rain | 16° /10° | 6.5 mm | 2.3 | |
| 16 Dec. | Light rain | 15° /10° | 6 mm | 2.3 | |
| 17 Dec. | Sunny | 16° /10° | 0 mm | 2.2 | |
| 18 Dec. | Sunny | 17° /11° | 0 mm | 2.2 | |
| 19 Dec. | Patchy rain possible | 16° /10° | 2.1 mm | 2.2 | |
| 20 Dec. | Patchy rain possible | 15° /9° | 0.3 mm | 2.2 | |
| 21 Dec. | Patchy rain possible | 15° /8° | 1.3 mm | 2.2 | |
| 22 Dec. | Sunny | 17° /10° | 0.5 mm | 2.2 | |
| 23 Dec. | Sunny | 17° /10° | 0.5 mm | 2.2 | |
| 24 Dec. | Patchy rain possible | 16° /10° | 0.1 mm | 2.2 | |
| 25 Dec. | Light rain | 17° /11° | 2.5 mm | 2.2 | |
| 26 Dec. | Overcast | 17° /10° | 0 mm | 2.3 | |
| 27 Dec. | Light rain | 17° /10° | 7.6 mm | 2.3 | |
| 28 Dec. | Sunny | 16° /10° | 0.7 mm | 2.3 | |
| 29 Dec. | Partly cloudy | 16° /10° | 0.1 mm | 2.3 | |
| 30 Dec. | Sunny | 16° /11° | 0.2 mm | 2.3 | |
| 31 Dec. | Partly cloudy | 16° /11° | 0.2 mm | 2.3 | |
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Portimão weather in December vs November vs January
| November | December | January | |
|---|---|---|---|
| Weather | Patchy rain possible | Patchy rain possible | Patchy rain possible |
| Temperatures | 19°/13° | 16°/11° | 16°/10° |
| Rainfall | 57 mm | 54 mm | 102 mm |
| Wind | 20.1 km/h | 18.7 km/h | 24.2 km/h |
| Humidity | 75% | 74% | 77% |
| Rainy days | 8 days | 6 days | 11 days |
| Dry days | 22 days | 25 days | 20 days |
Planning a trip to Portimão? Discover the best time to visit
Portimão in December - FAQ
What are the expected maximum and minimum temperatures in Portimão during December?
How much rainfall should be expected in Portimão during December?
What are the typical wind conditions in Portimão during December?
Portimão water temperatures in December
The average water temperature of the Atlantic Ocean near Portimão in December is 16.2 °C. At the beginning of December temperatures are around 16 °C; by the end of the month they stay fairly steady and reach 16.4 °C.
- What is the water temperature in Portimão in December?
- The average water temperature in Portimão in December is 16.2 °C.
- Can you swim in Portimão 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 Portimão
What to pack to Portimão in December?
Mild · highs around 16 °C, frequent showers
As you prepare for your trip to Portimão 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 Portimão, during December, is comfortable and enjoyable, regardless of the weather conditions.
🧥 Clothing
👟 Footwear
🎒 Accessories
Where is Portimão?Get accurate weather forecasts for Portimão, located at latitude 37.139 and longitude -8.538. Stay updated with localized weather information tailored for Portimão.