Porto Alegre · AutumnMonth summary
Porto Alegre weather in October
✅ Good
🌡️ Temperature min / max
59°F – 75°F
🌧 Rainy days
41% of days
☀️ Sunshine
10.6h per day on average
🌊 🌊 Season
Autumn
⭐ ⭐ Weather score
7.5/10
📅 📅 Best month
December (8.2/10)
Quick decision
Should you visit Porto Alegre in October?
✅ Good
✅ Yes if: you want shoulder-season value — fewer crowds, 24°F.
❌ No if: you need maximum sunshine — some overcast days are possible.
Our take: Porto Alegre in October: 75°F and 10.6h of sunshine. Decent, but not the peak.
By trip type
Porto Alegre in October by trip type
- 🏙️ 🏙️ City break / culture : ✅ Good
- 🚶 🚶 Outdoor activities : ✅ Good
- 🏖️ Beach / swimming : — No sea access
- 💰 💰 Budget : 🌿 Shoulder
Local context
What to expect in October
Autumn in Porto Alegre is often underrated: 24°F, golden light and declining crowds. An interesting window. Expect rain on 41% 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.
Browse by month
All months for Porto Alegre
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 October, Porto Alegre averages 75°F, 41% rainy days and 10.6h of sunshine per day. Overall weather score: 7.5/10.
See methodology →
Comparison
October vs December (best month)
The best month is December (score 8.2/10). Difference:
- 🌡️ Max temperature : +5°F
- 🌧 Rainy days : -7%
- ☀️ Sunshine : +2.4h/day
FAQ
FAQ — Porto Alegre in October
Is October a good time to visit Porto Alegre?
October is an excellent time to visit Porto Alegre (score 7.5/10). With 75°F, 10.6h of sunshine and 41% rain, conditions are very favourable.
What to do in Porto Alegre in October?
With 75°F max and 10.6h of sunshine, focus on cultural sites, museums and local gastronomy.
Accommodation
Find a place to stay in Porto Alegre
Find places to stay in Porto Alegre in October
Search on Hotels.com
Activities & tours
Activities and tours in Porto Alegre
Guided tours, skip-the-line tickets and local experiences.
Browse activities on GetYourGuide
Flights
Find a flight to Porto Alegre
Compare flights from all airlines.
Search flights
←
Explore also
Similar destinations in October
Uruguay🌍 Top destinations
Other top destinations in October
Puerto Vallarta
Turks and Caicos
Trinidad
BanjulWeather rankings
Compare destinations by weather
Best in EuropeGuides & comparisons