Month summary
Saint Lucia weather in December
✅ Good
🌡️ Temperature min / max
22°C – 27°C
🌧 Rainy days
55% of days
☀️ Sunshine
10.9h per day on average
🌊 🌊 Season
Winter
⭐ ⭐ Weather score
7.8/10
📅 📅 Best month
March (8.2/10)
Quick decision
Should you visit Saint Lucia in December?
✅ Good
✅ Yes if: you're willing to accept showers in exchange for lower prices and fewer tourists.
❌ No if: you're planning 100% outdoor activities — rain is frequent.
Our take: Saint Lucia in December: 27°C and 10.9h of sunshine. Decent, but not the peak.
By trip type
Saint Lucia in December by trip type
- 🏙️ 🏙️ City break / culture : ✅ Good
- 🚶 🚶 Outdoor activities : ✅ Good
- 🏖️ Beach / swimming : ✅ Good
- 💰 💰 Budget : 🌿 Shoulder
Local context
What to expect in December
🎯 Ideal conditions for families — pleasant weather and outdoor activities accessible Even in winter, Saint Lucia enjoys 27°C. A real asset for escaping the European cold. With 55% of rainy days, always have indoor alternatives planned. A good balance between weather and crowds, even if March (8.2/10) remains theoretically better.
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Annual table
Month-by-month comparison
| Month | Min °C | Max °C | Rain % | Precip mm | Sun h/d | Score |
|---|---|---|---|---|---|---|
| 🌤️ January | 22°C | 27°C | 53% | 1.7 | 10.9h | 7.8/10 |
| 🌤️ February | 21°C | 27°C | 45% | 1.5 | 11.1h | 8.0/10 |
| 🌤️ March | 22°C | 28°C | 46% | 1.3 | 11.7h | 8.2/10 |
| 🌤️ April | 22°C | 29°C | 41% | 1.3 | 12.0h | 8.2/10 |
| 🌤️ May | 23°C | 29°C | 46% | 1.5 | 12.0h | 8.0/10 |
| ⛅ June | 24°C | 29°C | 61% | 2.5 | 12.0h | 7.6/10 |
| ⛅ July | 23°C | 29°C | 73% | 3.5 | 12.0h | 7.3/10 |
| ⛅ August | 24°C | 29°C | 68% | 3.0 | 12.0h | 7.4/10 |
| ⛅ September | 24°C | 30°C | 69% | 3.3 | 12.0h | 7.3/10 |
| ⛅ October | 23°C | 29°C | 65% | 3.0 | 11.4h | 7.4/10 |
| ⛅ November | 23°C | 28°C | 62% | 3.0 | 11.0h | 7.6/10 |
| 🌤️ December | 22°C | 27°C | 55% | 1.6 | 10.9h | 7.8/10 |
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, Saint Lucia averages 27°C, 55% rainy days and 10.9h of sunshine per day. Overall weather score: 7.8/10.
See methodology →
Comparison
December vs March (best month)
The best month is March (score 8.2/10). Difference:
- 🌡️ Max temperature : +1°C
- 🌧 Rainy days : -9%
- ☀️ Sunshine : +0.8h/day
FAQ
FAQ — Saint Lucia in December
Is December a good time to visit Saint Lucia?
December is an excellent time to visit Saint Lucia (score 7.8/10). With 27°C, 10.9h of sunshine and 55% rain, conditions are very favourable.
Does it rain a lot in Saint Lucia in December?
Yes, 55% of days see rain in December. Plan some indoor activities as backup.
Accommodation
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Activities and tours in Saint Lucia
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