Weather Comparison
Side-by-side weather comparison for December
| Metric | Madrid | Porto | Better |
|---|---|---|---|
| Average HighHigher is warmer | 10°C (50°F) | 14°C (57°F)▲ | Porto |
| Average LowHigher is milder | 2°C (36°F) | 7°C (45°F)▲ | Porto |
| Rain DaysFewer is drier | 7 days▲ | 13 days | Madrid |
| PrecipitationLess is drier | 44 mm▲ | 171 mm | Madrid |
| Sunshine HoursMore is sunnier | 7h/day | 7h/day | Tie |
| HumidityLower is more comfortable | 65% | 65% | Tie |
| UV IndexLower is safer | 1 | 1 | Tie |
| Wind SpeedCalmer is better | 13 km/h▲ | 18 km/h | Madrid |
Based on sunshine hours, rain days, comfortable temperatures, and humidity levels, Madrid edges ahead as the better destination in December. Madrid offers 7 hours of daily sunshine with only 7 rain days, while Porto sees 7 sunshine hours and 13 rain days.
Madrid is on the cooler side at 10°C, requiring warmer clothing. Porto is cooler at 14°C.
For travelers who prioritize dry weather, Madrid is the stronger choice in December.
Madrid reaches an average high of 10°C (50°F) and drops to 2°C (36°F) at night during December. The daily temperature range is 8°C, meaning moderate variation throughout the day.
Porto averages 14°C (57°F) for the high and 7°C (45°F) for the low, with a daily range of 7°C. The 4°C difference is noticeable but not dramatic.
Both cities are in the Northern Hemisphere, so they share the same seasonal pattern in December.
Madrid receives approximately 44 mm of rainfall across 7 rain days during December. Rain is occasional, so a light rain jacket should suffice.
Porto sees 171 mm over 13 rain days. That makes Madrid the drier option by 6 rain days and 127 mm of total precipitation.
Both cities share similar humidity levels at 65%.
Highs of 10°C, lows of 2°C, 7 rain days
Highs of 14°C, lows of 7°C, 13 rain days
Pack for both: warm layers, a mid-weight jacket, long trousers. These items are useful in either destination during December.
The table below shows average high temperatures and rain days for every month. December is highlighted for quick reference.
| Month | Madrid | Porto | ||
|---|---|---|---|---|
| High | Rain | High | Rain | |
| Jan | 9°C | 7d | 13°C | 12d |
| Feb | 12°C | 6d | 14°C | 10d |
| Mar | 15°C | 7d | 16°C | 10d |
| Apr | 18°C | 8d | 17°C | 12d |
| May | 22°C | 7d | 20°C | 11d |
| Jun | 28°C | 3d | 23°C | 6d |
| Jul | 32°C | 1d | 25°C | 4d |
| Aug | 32°C | 2d | 26°C | 4d |
| Sep | 26°C | 4d | 24°C | 6d |
| Oct | 20°C | 7d | 20°C | 13d |
| Nov | 13°C | 7d | 16°C | 13d |
| Dec | 10°C | 7d | 14°C | 13d |
Madrid Weather in December
Full forecast, packing tips, and activities
Porto Weather in December
Full forecast, packing tips, and activities