Saint Lucia Climate and Average Weather
Climate of Saint Lucia: average temperatures, rainfall and seasons month by month.
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° | 3,0 in | ★★★★☆ |
| September | 86° | 74° | 3,3 in | ★★★★☆ |
| October | 85° | 74° | 3,3 in | ★★★★☆ |
| November | 83° | 73° | 3,5 in | ★★★★☆ |
| December | 81° | 71° | 2,7 in | ★★★★☆ |
Climate type: Mediterranean. Source: Open-Meteo archive (ERA5).
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 | 36 in |
Best time to visit Saint Lucia
Go in January, February, March, April, May, June, August, September, October, November and December. These months score highest on comfortable temperatures, low rainfall and useful daylight.
Hardest months: June, July and September - expect the least comfortable mix of heat, cold or rain.
What this means for Saint Lucia
Today is about average for August. The forecast high of 86°F is in line with the 85°F typical for this month.
A 67% chance means rain is expected over most of the area. Plan indoor alternatives.
Wet roads are likely; braking distances roughly double in heavy rain.
Within 15 degrees of the equator, day length barely changes all year; seasons are defined by rain, not temperature.
Northern Hemisphere, so peak summer falls in June to August.
The gap between the warmest and coldest month averages 37°F - an unusually even climate through the year.
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 September - historically the least comfortable months here.
Summary
Saint Lucia is an island in Saint Lucia. Saint Lucia is an island known for the Pitons and rainforest.
Right now it is 74°F (23°C) in Saint Lucia with light drizzle. It feels like 79°F. Today runs from 73°F to 86°F. Chance of precipitation is 67%. Sightseeing conditions score 7.9/10 - good conditions.
The best time to visit Saint Lucia is January, February, March, April, May, June, August, September, October, November and December. The climate is Mediterranean. June, July and September tend to be the least comfortable months. September is the warmest month with average highs near 86°F, while January is the coldest with lows near 71°F.
In plain terms. Today is about average for August. The forecast high of 86°F is in line with the 85°F typical for this month. The best window to be outside is roughly 6 PM to 9 PM, when temperature, rain chance and wind line up best. fishing is the strongest bet in Saint Lucia today at 9.3/10. Wet roads are likely; braking distances roughly double in heavy rain.
Compiled from this page's own data: atlas facts plus live Open-Meteo readings.
Quick facts about Saint Lucia
| Type | Island |
|---|---|
| Country | Saint Lucia |
| Continent | North America |
| Coordinates | 13°54′33.8″N 60°58′44″W (13.9094, -60.9789) |
| Known for | the Pitons and rainforest |
| Local time | 8:23 AM (UTC-04:00) |
| Best months | January, February, March, April, May, June, August, September, October, November and December |
| Climate | Mediterranean |
Weather map for Saint Lucia
Animated model layers. Pick a layer to load it.
Animated layers by Windy. For pin-level detail and nearby places, see the interactive map below.
Explore Saint Lucia
Every topic we hold for this place, and the same topic for the places around it.
Climate 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 74°F (23°C) with light drizzle. Humidity is 91% and wind is 7 mph.
When is the best time to visit Saint Lucia?
January, February, March, April, May, June, August, September, October, November and December offer the most comfortable conditions in Saint Lucia, which has a Mediterranean climate. June, July and September 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 8:23 AM.
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 August 23, 2026 at 8:23 AM local time. Live blocks refresh every 15 minutes; climate averages monthly.
