Castries, St Lucia
tropical climate · beach · medium crowds · premium prices
🏊 Swimmable sea this month (≥22°C)
If you're planning a coastal escape, Castries deserves a close look. This St Lucia destination lies in the tropics, and its climate record peaks at a 96/100 sun score in April — 29°C afternoons under 57% average cloud cover.
The year runs from average lows of 23°C in January to highs of 30°C in September. The wet–dry contrast is pronounced: 82% rain-day odds in July against 45% in April. The genuinely warm window — average highs of 24°C or better — covers January–December.
Averaged by season, sun scores land at 95 for spring, 90 for summer, 90 for autumn and 94 for winter — with typical afternoons of 29°, 29°, 29° and 27°C respectively. Spring wins on the numbers and autumn loses them; everything in between is a trade-off between warmth and crowds. If your dates are flexible, December buys you 28°C warmth at the quiet end of the season.
Best months to visit Castries
Our month-by-month scoring puts April first (96/100), with March (95) and May (95) close behind. The dependable window is wider than the podium, though: January–December all score 70 or better. Skip November if sunshine is the point — it bottoms out at 89/100.
Put against its 126 tropical peers in April, it lands in the sunnier half of the group, ahead of 90% of them.
Month-by-month breakdown for Castries → · More destinations for April →
As of the latest refresh, Castries's next 15 days span 24°C to 30°C; 6 days look mostly sunny while 6 look likely to be wet — a live sun score of 93/100.
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Flights from Europe
| From | Distance | Estimated non-stop time | |
|---|---|---|---|
| Brussels (BRU) | 7,081 km | ~9 h 15 | Find flights → |
| Amsterdam (AMS) | 7,149 km | ~9 h 30 | Find flights → |
| London (LON) | 6,792 km | ~9 h | Find flights → |
| Paris (PAR) | 6,899 km | ~9 h | Find flights → |
| Frankfurt (FRA) | 7,372 km | ~9 h 45 | Find flights → |
Estimates from distance; actual schedules may require a connection.
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Next 16 days
Live forecast, refreshed twice daily. Forecasts updated 29 Oct, 06:35 CET.
| Date | High / low | Cloud | Rain odds |
|---|---|---|---|
| Thu 29 Oct | 30° / 25° | 47% | 16% |
| Fri 30 Oct | 30° / 25° | 95% | 43% |
| Sat 31 Oct | 30° / 24° | 62% | 40% |
| Sun 1 Nov | 30° / 24° | 70% | 49% |
| Mon 2 Nov | 29° / 24° | 79% | 50% |
| Tue 3 Nov | 29° / 25° | 70% | 58% |
| Wed 4 Nov | 30° / 25° | 17% | 52% |
| Thu 5 Nov | 30° / 26° | 48% | 42% |
| Fri 6 Nov | 30° / 25° | 41% | 40% |
| Sat 7 Nov | 30° / 25° | 31% | 30% |
| Sun 8 Nov | 30° / 26° | 18% | 28% |
| Mon 9 Nov | 30° / 26° | 10% | 23% |
| Tue 10 Nov | 30° / 26° | 40% | 22% |
| Wed 11 Nov | 30° / 26° | 24% | 23% |
| Thu 12 Nov | 30° / 26° | 22% | 26% |
Castries climate, month by month
2015–2024 averages (April highlighted as the best month).
| Month | Day / night °C | Cloud | Rain-day odds | Sun score |
|---|---|---|---|---|
| January | 27.2° / 23.7° | 41.9% | 60.3% | 94 |
| February | 27.3° / 23.4° | 37.3% | 51.4% | 94 |
| March | 27.9° / 23.7° | 45.8% | 51% | 95 |
| April | 28.8° / 24.5° | 56.8% | 45% | 96 |
| May | 29.3° / 25.1° | 64.1% | 51.9% | 95 |
| June | 29.1° / 25.2° | 64.9% | 73.3% | 89 |
| July | 28.9° / 25.2° | 53.6% | 81.6% | 90 |
| August | 29.5° / 25.5° | 53.6% | 75.2% | 90 |
| September | 30.1° / 25.7° | 61.1% | 62.7% | 90 |
| October | 29.4° / 25.5° | 60.3% | 63.5% | 90 |
| November | 28.5° / 24.9° | 59.3% | 69.3% | 89 |
| December | 27.7° / 24.3° | 43.5% | 57.3% | 94 |
Similar sunny destinations
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