Porto
December
Weather in Porto for December 2025
Your guide to Porto weather in December - trends and predictions
In general, the average temperature in Porto at the beginning of December is 14.3 °C. As the month progressed, temperatures tended to slightly decrease, reaching an average of 14.1 °C by the end of December.
Porto experiences heavy rainfall in December, with over 20 rainy days and an average total precipitation 195.6 mm.
Is December a good time to visit Porto? check out the best time to travel to Porto page.
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Temperatures
Rain 🌧️
More
3
Dry days
28
Rainy days
0
Snow days
14°/10°
Temperatures
19 km/h
Avg max wind
75 %
Avg humidity
Porto Weather December
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Temperatures trend during December in Porto
See the weather trend as well as the moving average line
December weather in Porto day by day
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| Date | Weather | Temperatures | Rain | UV | More |
|---|---|---|---|---|---|
| 1 Dec. |  Light rain shower | 15° /10° | 2.2 mm | 4 | |
| 2 Dec. |  Sunny | 14° /9° | 0.7 mm | 4 | |
| 3 Dec. |  Overcast | 14° /7° | 2.3 mm | 4 | |
| 4 Dec. | Patchy rain possible | 15° /9° | 3.1 mm | 4 | |
| 5 Dec. | Patchy rain possible | 13° /9° | 1.7 mm | 4 | |
| 6 Dec. |  Moderate rain at times | 14° /10° | 0.9 mm | 4 | |
| 7 Dec. | Moderate or heavy rain shower | 15° /10° | 18.7 mm | 4 | |
| 8 Dec. | Moderate rain at times | 13° /10° | 6.1 mm | 3 | |
| 9 Dec. | Patchy rain possible | 14° /10° | 5.9 mm | 4 | |
| 10 Dec. |  Partly cloudy | 14° /10° | 7.8 mm | 4 | |
| 11 Dec. | Moderate or heavy rain shower | 14° /9° | 7.1 mm | 4 | |
| 12 Dec. | Overcast | 15° /9° | 14.4 mm | 4 | |
| 13 Dec. | Patchy rain possible | 14° /10° | 9.5 mm | 4 | |
| 14 Dec. | Moderate or heavy rain shower | 15° /10° | 7.6 mm | 4 | |
| 15 Dec. | Sunny | 15° /9° | 2.7 mm | 4 | |
| 16 Dec. | Sunny | 15° /8° | 12.3 mm | 4 | |
| 17 Dec. | Sunny | 15° /8° | 0.6 mm | 4 | |
| 18 Dec. | Sunny | 15° /9° | 4 mm | 4 | |
| 19 Dec. | Patchy rain possible | 14° /9° | 10.6 mm | 4 | |
| 20 Dec. | Moderate or heavy rain shower | 14° /10° | 14 mm | 3 | |
| 21 Dec. | Patchy rain possible | 15° /9° | 3.6 mm | 4 | |
| 22 Dec. | Patchy rain possible | 16° /11° | 1.8 mm | 4 | |
| 23 Dec. | Sunny | 15° /10° | 9.5 mm | 4 | |
| 24 Dec. | Sunny | 15° /9° | 2.8 mm | 4 | |
| 25 Dec. | Partly cloudy | 14° /9° | 8.8 mm | 4 | |
| 26 Dec. | Sunny | 14° /9° | 6.6 mm | 4 | |
| 27 Dec. | Patchy rain possible | 14° /9° | 2.3 mm | 4 | |
| 28 Dec. | Moderate rain at times | 14° /10° | 5.4 mm | 3 | |
| 29 Dec. | Moderate rain at times | 14° /10° | 11.3 mm | 3 | |
| 30 Dec. | Sunny | 14° /9° | 5.3 mm | 4 | |
| 31 Dec. |  Heavy rain at times | 15° /9° | 6.4 mm | 4 | |
| Next | |||||
Important Notice
Our weather forecast for Porto in December is based on the analysis of historical data rather than real-time forecast models. While this provides a general overview, weather conditions can change. We recommend that you check the Porto forecast closer to your planned date for the most up-to-date weather information.
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Porto in December - FAQ
What are the expected maximum and minimum temperatures in Porto during December?
During December, expect a variety of temperatures with highs around 14° and lows near 10°, suitable for diverse activities and preferences.
How much rainfall should be expected in Porto during December?
Significant rainfall exceeding 195.6 mm is expected in Porto during December, occurring over more than 28 days. Preparing for wet conditions is recommended in your planning.
What are the typical wind conditions in Porto during December?
The average wind speed in Porto during December is 19 km/h, suggesting breezy to windy conditions, depending on your activities.
What to pack to Porto in December?
As you prepare for your trip to Porto 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 Porto, 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 Porto
Explore the daily rainfall trends and prepare for Portos December weather 💧
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