Alentejo, PortugalQuick decision
When to visit Alentejo?
🌞 Best time overall
June
🌡️ Optimal temperature
15°C–28°C in June
🌧 Least rain
13% rainy days in June
🌧 Wettest month
January (26%)
📅 Best score
9.5/10
Monthly climate data
Alentejo weather month by month
| Month | Min °C | Max °C | Rainy days (%) | Precip. mm/d | Sun h/d | Score |
|---|---|---|---|---|---|---|
| ⛅ January | 6°C | 14°C | 26% | 2.1 | 9.0h | 6.3/10 |
| ⛅ February | 7°C | 16°C | 24% | 2.0 | 9.8h | 7.0/10 |
| ⛅ March | 8°C | 17°C | 33% | 3.0 | 10.2h | 7.0/10 |
| 🌤️ April | 10°C | 20°C | 35% | 2.2 | 11.9h | 7.4/10 |
| 🌤️ May | 12°C | 24°C | 19% | 1.3 | 13.0h | 8.5/10 |
| ☀️ June | 15°C | 28°C | 13% | 0.6 | 14.0h | 9.5/10 |
| ☀️ July | 17°C | 33°C | 3% | 0.1 | 13.8h | 8.2/10 |
| ☀️ August | 17°C | 33°C | 2% | 0.1 | 13.0h | 8.2/10 |
| ☀️ September | 16°C | 28°C | 13% | 0.8 | 11.3h | 8.9/10 |
| 🌤️ October | 14°C | 24°C | 25% | 2.5 | 10.1h | 7.9/10 |
| 🌤️ November | 10°C | 18°C | 34% | 2.6 | 8.9h | 7.0/10 |
| ⛅ December | 7°C | 15°C | 27% | 2.3 | 8.1h | 6.5/10 |
Ideal
Fair
Challenging climate
Source: Open-Meteo · 10 years
Seasonal breakdown
What to expect each season
🌸 Spring (Mar–May) — Good time
Average 20°C, 29% rainy days, 11.7h sunshine/day. Score: 7.6/10.
☀️ Summer (Jun–Aug) — Excellent time
Average 31°C, 6% rainy days, 13.6h sunshine/day. Score: 8.6/10.
🍂 Autumn (Sep–Nov) — Good time
Average 23°C, 24% rainy days, 10.1h sunshine/day. Score: 7.9/10.
❄️ Winter (Dec–Feb) — Acceptable
Average 15°C, 26% rainy days, 9.0h sunshine/day. Score: 6.6/10.
Accommodation
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Tip : February, March offer a good weather/price balance — decent score with fewer crowds.
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Activities and tours in Alentejo
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Monthly weather
Detailed weather by month
FAQ
Frequently asked questions
June is ideal with 13% rainy days and 28°C.
January is the wettest month with 26% rainy days.
Yes, June is the best month with an average of 28°C.
In winter, the average score is 6.6/10. Acceptable conditions for cultural visits.
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