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Gros Islet Weather in March
March in Gros Islet typically sees daytime highs of 29°C (84°F) and nighttime lows of 24°C (75°F). Expect some rainfall during the month.
Rainfall in Gros Islet in March
Records from the past 30 years suggest around 13 days of rain, with 40 mm (1.6 in) average for the month. A fairly balanced picture this month, some wet days but nothing too extreme in terms of intensity.
Temperature in Gros Islet in March
March is a good time to be in Gros Islet. Days are excellent, reaching 29°C (84°F), with nights around 24°C (75°F). The days can feel warmer than the evenings, so packing for both parts of the day is a good idea. At 24°C (75°F) overnight, it stays warm after dark. Light, breathable clothing and good airflow in your room make a noticeable difference.
Sunshine in Gros Islet in March
Expect a lot of sunshine this month, with about 245 hours of sun. These sunny conditions add to the overall experience.If you're inclined towards comfortable temperatures and drier conditions, March is a good time to visit Gros Islet.
Gros Islet Temperature in March
Min Temperature
24°C (75°F)
Max Temperature
29°C (84°F)
Chance of Rain
43%
Precipitation
40 mm (1.6 in)
Rainy days
13 days
Humidity
77% *
Sunshine
245 hours *
Percentage Sunshine
*
* Data from: Saint Lucia, Saint Lucia (8 KM, 5 Miles).
Gros Islet Weather by Month
Pick a month to see the average temperature, rainfall and sunshine in Gros Islet - and find the best time to visit.
Daily Historical Temperatures
50-year average (1976-2025)
Based on our historical records, temperatures in Gros Islet typically stay consistent throughout March, with daily highs averaging around 29°C (84°F). Nights are warm, with lows around 23°C (73°F).
Average temperatures in March
Historical weather records for Gros Islet in March
Browse day-by-day weather records for Gros Islet spanning 51 years. Select any month and year to see actual temperatures, rainfall, and conditions recorded on each day.
Gros Islet historical weather extremes in March
According to our 50 years of weather records for Gros Islet, the following extremes were recorded between 1976 and 2026.
- Gros Islet recorded its highest March temperature of 37°C (99°F) on March 2, 2003.
- On March 1, 2012, Gros Islet saw its coldest March day with temperatures maxing out at 25°C (77°F).
- The lowest overnight temperature recorded in March was 17°C (63°F) (March 20, 2003).
Best Places in Saint Lucia in March
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 March →
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 Gros Islet in March
Warm temperatures in March 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. Pack a light rain jacket or compact umbrella for occasional showers. Don't forget sun protection, sunglasses, sunscreen, and a hat. These are all good ideas with this much sunshine.
What To Do in Gros Islet in March
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
Gros Islet 3-Day Forecast
More climate data for Gros Islet
Temperature Rainfall Sunshine Humidity
See the full Gros Islet climate overview or explore weather in Saint Lucia.
Popular in March
Where to go in March - average daytime high across popular destinations.
Marigot Bay
29°C (84°F) Castries30°C (86°F) Soufrière29°C (84°F) Laborie29°C (84°F) Rodney Bay Village29°C (84°F) Cap Estate29°C (84°F) Gros Islet29°C (84°F) Vieux Fort28°C (82°F) Bucket list
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