Best time to visit Saint Lucia
The best time to visit Saint Lucia is March to May, when its 2 destinations average 90/100 for climate comfort — October is the weakest month, at 83/100.
Updated September 2026 · averaged over 2 Saint Lucia destinations · climate normals from ERA5 reanalysis
Saint Lucia climate comfort by month
| Month | Comfort | Avg high | Rain | Pick of the month |
|---|---|---|---|---|
| January | 88 | 27.7°C | 30 mm | Castries 88 |
| February | 89 | 27.8°C | 25 mm | Castries 89 |
| March | 90 | 28.3°C | 22 mm | Castries 90 |
| April | 90 | 29°C | 33 mm | Castries 90 |
| May | 90 | 29.8°C | 28 mm | Castries 90 |
| June | 86 | 29.7°C | 81 mm | Castries 86 |
| July | 83 | 29.3°C | 112 mm | Castries 84 |
| August | 85 | 29.6°C | 109 mm | Castries 85 |
| September | 86 | 30.2°C | 93 mm | Castries 87 |
| October | 83 | 29.5°C | 131 mm | Castries 83 |
| November | 84 | 28.6°C | 95 mm | Castries 85 |
| December | 88 | 28.3°C | 39 mm | Castries 88 |
Comfort is SeasonMap's 0–100 score, averaged across every Saint Lucia destination in the dataset. Each place is judged through the lens that suits it — beaches on beach weather, ski resorts on snow. Averages from ERA5 reanalysis normals, not forecasts.
All 2 destinations in Saint Lucia
Saint Lucia — FAQ
- When is the best time to visit Saint Lucia?
- March to May. Across Saint Lucia's 2 destinations, March averages 90/100 for climate comfort with mean highs of 28.3°C and 22 mm of rain.
- What is the worst month to visit Saint Lucia?
- October, averaging 83/100 — mean highs of 29.5°C and 131 mm of rain across the country's destinations.
- What is the hottest month in Saint Lucia?
- September, with mean daily highs of 30.2°C averaged across 2 destinations.
- What is the wettest month in Saint Lucia?
- October, averaging 131 mm of rain.