Saint Lucia Weather Forecast
Saint Lucia weather: 82°F, mainly clear. Hourly forecast, 14-day outlook, UV, air quality and the best time to visit.
Climate in Saint Lucia month by month
Average high, average low and total rainfall, based on three years of reanalysis data.
| Month | Avg high | Avg low | Rainfall | Rating |
|---|---|---|---|---|
| January | 81° | 71° | 2,8 in | ★★★★☆ |
| February | 82° | 71° | 1,7 in | ★★★★☆ |
| March | 82° | 71° | 1,8 in | ★★★★☆ |
| April | 83° | 72° | 2,2 in | ★★★★☆ |
| May | 84° | 73° | 2,9 in | ★★★★☆ |
| June | 84° | 74° | 3,5 in | ★★★★☆ |
| July | 84° | 73° | 4,3 in | ★★★★☆ |
| August | 85° | 74° | 4,4 in | ★★★★☆ |
| September | 86° | 74° | 2,8 in | ★★★★☆ |
| October | 85° | 74° | 3,3 in | ★★★★☆ |
| November | 83° | 73° | 3,5 in | ★★★★☆ |
| December | 81° | 71° | 2,7 in | ★★★★☆ |
Climate type: Temperate. Source: Open-Meteo archive (ERA5).
Best time to visit Saint Lucia
Go in January, February, March, April, May, June, September, October, November and December. These months score highest on comfortable temperatures, low rainfall and useful daylight.
Hardest months: June, July and August - expect the least comfortable mix of heat, cold or rain.
Recent extremes in Saint Lucia
Highest and lowest readings observed in the last 3 years of reanalysis data - not all-time records.
How Saint Lucia compares with nearby places
Annual averages, and the difference against Saint Lucia.
| Place | Distance | Avg temp | vs here | Annual rain |
|---|---|---|---|---|
| Barbados | 108 mi | 81°F | +36°F warmer | 34 in |
| Trinidad and Tobago | 227 mi | 80°F | +35°F warmer | 38 in |
What to pack, what to skip
- Lightweight, light-coloured clothing and a refillable water bottle
- Sunglasses, a brimmed hat and SPF 30+
- A packable rain shell - 7 of the next 7 days carry a real chance of rain
- If your dates are flexible, avoid June, July and August - historically the least comfortable months here.
See the Saint Lucia forecast by time range
Saint Lucia weather - more answers
Explore Saint Lucia
Every topic we hold for this place, and the same topic for the places around it.
Weather for related places
Frequently asked questions
Where is Saint Lucia?
Saint Lucia is an island in Saint Lucia. Its coordinates are 13.9094, -60.9789. It lies in North America.
What is the weather like in Saint Lucia right now?
It is currently 82°F (28°C) with mainly clear. Humidity is 74% and wind is 6 mph.
When is the best time to visit Saint Lucia?
January, February, March, April, May, June, September, October, November and December offer the most comfortable conditions in Saint Lucia, which has a temperate climate. June, July and August are usually the hardest months for outdoor plans.
What time zone is Saint Lucia in?
Saint Lucia observes America/St_Lucia (UTC-04:00). The local time is 8:03 PM.
Related articles
Data sources and methodology
| Place data | USPOTUS Atlas dataset (islands) - coordinates, hierarchy and facts. |
|---|---|
| Forecast and observations | Open-Meteo (ECMWF and national models). |
| Air quality and pollen | Copernicus CAMS via Open-Meteo. US AQI scale. |
| Climate averages | ERA5 reanalysis via the Open-Meteo archive, aggregated over 3 years. |
| Method | Scores, comparisons and advice on this page are computed from the inputs above. Distances are straight-line. Nothing is estimated where data is missing - the block is simply not shown. |
Last updated October 23, 2026 at 8:03 PM local time. Live blocks refresh every 15 minutes; climate averages monthly.
