Porto Alegre · WinterMonth summary
Porto Alegre weather in December
✅ Good
🌡️ Temperature min / max
66°F – 84°F
🌧 Rainy days
34% of days
☀️ Sunshine
13.0h per day on average
🌊 🌊 Season
Winter
⭐ ⭐ Weather score
8.2/10
📅 📅 Best month
December (8.2/10)
Quick decision
Should you visit Porto Alegre in December?
✅ Good
✅ Yes if: you want great weather for all activities.
❌ No if: you're on a tight budget — prices are higher during peak season.
Our take: Favourable conditions in December (8.2/10). December scores higher but the gap is small.
By trip type
Porto Alegre in December by trip type
- 🏙️ 🏙️ City break / culture : ✅ Good
- 🚶 🚶 Outdoor activities : ✅ Good
- 🏖️ Beach / swimming : — No sea access
- 💰 💰 Budget : 💸 Peak season
Local context
What to expect in December
Even in winter, Porto Alegre enjoys 29°F. A real asset for escaping the European cold. Expect rain on 34% of days — a light raincoat in the bag is recommended. A good balance between weather and crowds, even if December (8.2/10) remains theoretically better.
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Annual table
Month-by-month comparison
| Month | Min °F | Max °F | Rain % | Precip in | Sun h/d | Score |
|---|---|---|---|---|---|---|
| 🌤️ January | 70°F | 86°F | 41% | 0.1in | 12.6h | 7.8/10 |
| 🌤️ February | 70°F | 86°F | 37% | 0.1in | 12.6h | 7.9/10 |
| 🌤️ March | 68°F | 82°F | 37% | 0.2in | 11.0h | 8.1/10 |
| 🌤️ April | 64°F | 77°F | 31% | 0.1in | 10.3h | 7.8/10 |
| ⛅ May | 55°F | 70°F | 38% | 0.2in | 8.5h | 7.2/10 |
| 🌤️ June | 52°F | 66°F | 33% | 0.2in | 8.1h | 7.1/10 |
| 🌤️ July | 50°F | 66°F | 30% | 0.2in | 8.8h | 7.1/10 |
| 🌤️ August | 52°F | 70°F | 32% | 0.1in | 9.7h | 7.3/10 |
| 🌤️ September | 57°F | 72°F | 39% | 0.2in | 9.1h | 7.3/10 |
| 🌤️ October | 59°F | 75°F | 41% | 0.2in | 10.6h | 7.5/10 |
| 🌤️ November | 63°F | 79°F | 38% | 0.2in | 12.6h | 8.0/10 |
| 🌤️ December | 66°F | 84°F | 34% | 0.1in | 13.0h | 8.2/10 |
Ideal
Fair
Challenging climate
◀ Current month · Source Open-Meteo · 10 years
📊 Data source
Data based on 10 years of ERA5 records via Open-Meteo, with ECMWF seasonal adjustment. In December, Porto Alegre averages 84°F, 34% rainy days and 13.0h of sunshine per day. Overall weather score: 8.2/10.
See methodology →
Comparison
December vs December (best month)
The best month is December (score 8.2/10). Difference:
- 🌡️ Max temperature : +0°F
- 🌧 Rainy days : +0%
- ☀️ Sunshine : +0.0h/day
FAQ
FAQ — Porto Alegre in December
Is December a good time to visit Porto Alegre?
December is an excellent time to visit Porto Alegre (score 8.2/10). With 84°F, 13.0h of sunshine and 34% rain, conditions are very favourable.
What to do in Porto Alegre in December?
With 84°F and 13.0h of sunshine, all outdoor activities are possible: hiking, sightseeing and terraces.
Accommodation
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