Weather Comparison
Side-by-side weather comparison for December
| Metric | Toronto | Lisbon | Better |
|---|---|---|---|
| Average HighHigher is warmer | 3°C (37°F) | 14°C (57°F)▲ | Lisbon |
| Average LowHigher is milder | -3°C (27°F) | 10°C (50°F)▲ | Lisbon |
| Rain DaysFewer is drier | 10 days | 9 days▲ | Lisbon |
| PrecipitationLess is drier | 62 mm▲ | 79 mm | Toronto |
| Sunshine HoursMore is sunnier | 5h/day | 7h/day▲ | Lisbon |
| HumidityLower is more comfortable | 65% | 65% | Tie |
| UV IndexLower is safer | 1 | 1 | Tie |
| Wind SpeedCalmer is better | 22 km/h | 22 km/h | Tie |
Based on sunshine hours, rain days, comfortable temperatures, and humidity levels, Lisbon edges ahead as the better destination in December. Lisbon offers 7 hours of daily sunshine with only 9 rain days, while Toronto sees 5 sunshine hours and 10 rain days.
Toronto is on the cooler side at 3°C, requiring warmer clothing. Lisbon is cooler at 14°C.
For travelers who prioritize dry weather, Lisbon is the stronger choice in December. Lisbon receives 2 more hours of sunshine per day, which matters for sightseeing and outdoor activities.
Toronto reaches an average high of 3°C (37°F) and drops to -3°C (27°F) at night during December. The daily temperature range is 6°C, meaning relatively stable temperatures from day to night.
Lisbon averages 14°C (57°F) for the high and 10°C (50°F) for the low, with a daily range of 4°C. There is a notable 11°C gap between the two cities, so expect a very different feel.
Both cities are in the Northern Hemisphere, so they share the same seasonal pattern in December.
Toronto receives approximately 62 mm of rainfall across 10 rain days during December. You can expect rain roughly every other day.
Lisbon sees 79 mm over 9 rain days. That makes Lisbon the drier option by 1 rain day and 17 mm of total precipitation.
Both cities share similar humidity levels at 65%.
Highs of 3°C, lows of -3°C, 10 rain days
Highs of 14°C, lows of 10°C, 9 rain days
The table below shows average high temperatures and rain days for every month. December is highlighted for quick reference.
| Month | Toronto | Lisbon | ||
|---|---|---|---|---|
| High | Rain | High | Rain | |
| Jan | -1°C | 10d | 14°C | 9d |
| Feb | 0°C | 8d | 14°C | 8d |
| Mar | 4°C | 9d | 17°C | 8d |
| Apr | 10°C | 11d | 18°C | 8d |
| May | 17°C | 10d | 21°C | 6d |
| Jun | 22°C | 11d | 24°C | 2d |
| Jul | 26°C | 10d | 26°C | 1d |
| Aug | 25°C | 9d | 27°C | 1d |
| Sep | 22°C | 9d | 25°C | 4d |
| Oct | 15°C | 10d | 21°C | 9d |
| Nov | 8°C | 10d | 17°C | 10d |
| Dec | 3°C | 10d | 14°C | 9d |
Toronto Weather in December
Full forecast, packing tips, and activities
Lisbon Weather in December
Full forecast, packing tips, and activities