Alentejo · WinterMonth summary
Alentejo weather in December
⚠️ Fair
🌡️ Temperature min / max
7°C – 15°C
🌧 Rainy days
27% of days
☀️ Sunshine
8.1h per day on average
🌊 🌊 Season
Winter
⭐ ⭐ Weather score
6.5/10
📅 📅 Best month
June (9.5/10)
Quick decision
Should you visit Alentejo in December?
⚠️ Fair
✅ Yes if: you want to explore the city on foot without suffering from heat.
❌ No if: you're looking for a beach destination — water and air are still cool.
Our take: Not the best window: 27% rain risk and 8.1h of sunshine. June is much safer.
By trip type
Alentejo in December by trip type
- 🏙️ 🏙️ City break / culture : ✅ Good
- 🚶 🚶 Outdoor activities : ⚠️ Possible
- 🏖️ Beach / swimming : — No sea access
- 💰 💰 Budget : ✅ Low season
Local context
What to expect in December
In December, Alentejo sees 15°C during the day with 8.1h of sunshine per day. Expect rain on 27% of days — a light raincoat in the bag is recommended. Not the best window, but acceptable if dates are constrained. June (9.5/10) is significantly better if possible.
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Annual table
Month-by-month comparison
| Month | Min °C | Max °C | Rain % | Precip mm | 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
◀ 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, Alentejo averages 15°C, 27% rainy days and 8.1h of sunshine per day. Overall weather score: 6.5/10.
See methodology →
Comparison
December vs June (best month)
The best month is June (score 9.5/10). Difference:
- 🌡️ Max temperature : +13°C
- 🌧 Rainy days : -14%
- ☀️ Sunshine : +5.9h/day
FAQ
FAQ — Alentejo in December
Is December a good time to visit Alentejo?
December is an acceptable time for Alentejo (score 6.5/10). Conditions are decent but not optimal — consider June (9.5/10) if possible.
What to do in Alentejo in December?
With 15°C max and 8.1h of sunshine, focus on cultural sites, museums and local gastronomy.
Accommodation
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