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Saint Lucia Weather in October
October in Saint Lucia brings very high temperatures around 31°C (88°F) during the day, dropping to 26°C (79°F) at night, with the most rainfall of the year.
Rainfall in Saint Lucia in October
As the month with the most rain, you'll want to have an umbrella with you to manage the frequent showers. Typically around 18 days of rainfall are expected, averaging 137 mm (5.4 in) for the month. Expect frequent rainfall this month, and not just light drizzle. When it rains, it tends to come down hard.
Temperature in Saint Lucia in October
October in Saint Lucia brings typical temperatures with highs around 31°C (88°F) and lows of 26°C (79°F). If you're spending a lot of time outdoors, it helps to plan around the warmer part of the day. With lows around 26°C (79°F), the nights are warm enough that a sheet is usually all you need for bedding.
Sunshine in Saint Lucia in October
The month enjoys around 214 hours of sunshine, creating mostly sunny days with good weather conditions.Our weather planner can help you find worldwide destinations with pleasant weather during this period. January, February and March typically offer the best weather for Saint Lucia.
Saint Lucia Temperature in October
Min Temperature
26°C (79°F)
Max Temperature
31°C (88°F)
Chance of Rain
60%
Precipitation
137 mm (5.4 in)
Rainy days
18 days
Humidity
81%
Sunshine
214 hours
Percentage Sunshine
Saint Lucia Weather by Month
Pick a month to see the average temperature, rainfall and sunshine in Saint Lucia - and find the best time to visit.
Daily Historical Temperatures
49-year average (1976-2025)
Based on our historical records, temperatures in Saint Lucia typically stay consistent throughout October, with daily highs averaging around 31°C (88°F). Nights are warm, with lows around 24°C (75°F).
Average temperatures in October
Historical weather records for Saint Lucia in October
Browse day-by-day weather records for Saint Lucia spanning 51 years. Select any month and year to see actual temperatures, rainfall, and conditions recorded on each day.
Saint Lucia historical weather extremes in October
Based on weather observations in Saint Lucia between 1990 and 2025, these are the recorded extremes during October.
- Saint Lucia recorded its highest October temperature of 39°C (102°F) on October 1, 2023.
- The coldest October day was on October 11, 2008, with a maximum of 26°C (79°F).
- Saint Lucia registered its coldest October night on October 13, 1992, with temperatures dropping to 20°C (68°F).
Best Places in Saint Lucia in October
Find out more about the weather in Saint Lucia and which places have the best travel conditions in this month. See all of Saint Lucia in October →
perfect weather
pleasant
tolerable
unpleasant
poor
Perfect weather is subjective. On this map perfect weather has been defined with temperatures between 20°C (68°F) and 29°C (84°F) and not too much precipitation (less than 90 mm (3.5 in) a month).
What to Wear in Saint Lucia in October
Warm weather calls for comfortable, breathable clothing in October. Cotton t-shirts, shorts, light dresses, and sandals are perfect. You might still want a light layer for evenings or air-conditioned places (for example buses). High rain levels are expected, so pack waterproof gear and an umbrella or poncho. And with plenty of sunshine hours, don’t forget sunglasses, sunscreen, and maybe a sun hat.
What To Do in Saint Lucia in October
We rated the following activities from 1 (least suitable) to 10 (best) to do.
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Swimming9/10 -
Cycling7/10 -
Walking7/10 -
Camping7/10 -
Outdoor sports7/10
Saint Lucia 3-Day Forecast
More climate data for Saint Lucia
Temperature Rainfall Sunshine Humidity
See the full Saint Lucia climate overview or explore weather in Saint Lucia.
Popular in October
Where to go in October - average daytime high across popular destinations.
Marigot Bay
31°C (88°F) Laborie30°C (86°F) Rodney Bay Village30°C (86°F) Cap Estate
30°C (86°F) Soufrière30°C (86°F) Castries31°C (88°F) Gros Islet30°C (86°F) Vieux Fort30°C (86°F) Bucket list
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