Weather Comparison
Side-by-side weather comparison for December
| Metric | Barcelona | Rome | Better |
|---|---|---|---|
| Average HighHigher is warmer | 13°C (55°F)▲ | 12°C (54°F) | Barcelona |
| Average LowHigher is milder | 6°C (43°F)▲ | 5°C (41°F) | Barcelona |
| Rain DaysFewer is drier | 6 days▲ | 11 days | Barcelona |
| PrecipitationLess is drier | 42 mm▲ | 92 mm | Barcelona |
| 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 | 15 km/h | 14 km/h▲ | Rome |
Based on sunshine hours, rain days, comfortable temperatures, and humidity levels, Barcelona edges ahead as the better destination in December. Barcelona offers 7 hours of daily sunshine with only 6 rain days, while Rome sees 7 sunshine hours and 11 rain days.
Barcelona is on the cooler side at 13°C, requiring warmer clothing. Rome is cooler at 12°C.
For travelers who prioritize dry weather, Barcelona is the stronger choice in December.
Barcelona reaches an average high of 13°C (55°F) and drops to 6°C (43°F) at night during December. The daily temperature range is 7°C, meaning relatively stable temperatures from day to night.
Rome averages 12°C (54°F) for the high and 5°C (41°F) for the low, with a daily range of 7°C. The two cities feel quite similar in terms of temperature.
Both cities are in the Northern Hemisphere, so they share the same seasonal pattern in December.
Barcelona receives approximately 42 mm of rainfall across 6 rain days during December. Rain is occasional, so a light rain jacket should suffice.
Rome sees 92 mm over 11 rain days. That makes Barcelona the drier option by 5 rain days and 50 mm of total precipitation.
Both cities share similar humidity levels at 65%.
Highs of 13°C, lows of 6°C, 6 rain days
Highs of 12°C, lows of 5°C, 11 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 | Barcelona | Rome | ||
|---|---|---|---|---|
| High | Rain | High | Rain | |
| Jan | 13°C | 6d | 12°C | 9d |
| Feb | 13°C | 6d | 12°C | 9d |
| Mar | 16°C | 7d | 15°C | 9d |
| Apr | 17°C | 9d | 18°C | 11d |
| May | 21°C | 7d | 22°C | 9d |
| Jun | 25°C | 6d | 27°C | 5d |
| Jul | 27°C | 5d | 30°C | 4d |
| Aug | 28°C | 7d | 31°C | 4d |
| Sep | 24°C | 11d | 25°C | 9d |
| Oct | 21°C | 10d | 21°C | 11d |
| Nov | 16°C | 8d | 16°C | 12d |
| Dec | 13°C | 6d | 12°C | 11d |
Barcelona Weather in December
Full forecast, packing tips, and activities
Rome Weather in December
Full forecast, packing tips, and activities