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Saint Lucia Weather in January
January is one of the excellent months to visit Saint Lucia, with daytime temperatures of 29°C (84°F) and lows of 24°C (75°F) at night. Some rainfall is typical for this time of year.
Rainfall in Saint Lucia in January
Historically, the month has about 17 days of rain, averaging 46 mm (1.8 in) in total. With rain spread across many days but low totals, showers are typically short and light rather than heavy.
Temperature in Saint Lucia in January
Weather in Saint Lucia is at its excellent in January. Highs reach 29°C (84°F), while nights settle around 24°C (75°F). Conditions stay fairly consistent through the month, making it easier to plan what to wear. With overnight lows of 24°C (75°F), evenings and nights remain warm. Light clothing and an open window or fan can help you sleep comfortably.
Sunshine in Saint Lucia in January
The city usually sees around 245 hours of sunlight, indicating many sunny days , a great month for sightseeing.So this is a great month to visit if you prefer dry days with pleasant temperatures.
Saint Lucia Temperature in January
Min Temperature
24°C (75°F)
Max Temperature
29°C (84°F)
Chance of Rain
58%
Precipitation
46 mm (1.8 in)
Rainy days
17 days
Humidity
80%
Sunshine
245 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
51-year average (1976-2026)
Based on our historical records, temperatures in Saint Lucia typically stay consistent throughout January, with daily highs averaging around 29°C (84°F). Nights are warm, with lows around 23°C (73°F).
Average temperatures in January
Historical weather records for Saint Lucia in January
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 January
According to our 40 years of weather records for Saint Lucia, the following extremes were recorded between 1985 and 2025.
- The hottest January day on record in Saint Lucia reached 31°C (88°F) (January 30, 2024).
- On January 27, 2019, Saint Lucia saw its coldest January day with temperatures maxing out at 25°C (77°F).
- The coldest night in January in Saint Lucia was on January 24, 1996, with a minimum of 17°C (63°F).
Best Places in Saint Lucia in January
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 January →
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 January
Warm temperatures in January make for comfortable sightseeing weather. Pack breathable fabrics like cotton shirts, knee-length shorts or skirts, and comfortable walking shoes. A thin long sleeve for indoor spaces is handy. Rain gear is recommended, you can expect wet weather on multiple days. You'll definitely want to pack sunglasses and sunscreen. There will be plenty of bright sunshine this month.
What To Do in Saint Lucia in January
We rated the following activities from 1 (least suitable) to 10 (best) to do.
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Swimming10/10 -
Cycling8/10 -
Walking8/10 -
Barbeque10/10 -
Camping10/10 -
Outdoor sports8/10
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 January
Where to go in January - average daytime high across popular destinations.
Marigot Bay
29°C (84°F) Castries29°C (84°F) Laborie29°C (84°F) Rodney Bay Village28°C (82°F) Cap Estate28°C (82°F) Soufrière29°C (84°F) Gros Islet28°C (82°F) Vieux Fort28°C (82°F) Bucket list
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