Grand Case Weather in March
In Grand Case, March brings high daytime temperatures around 27°C (81°F), with nights cooling to 24°C (75°F). It is the driest month of the year, with minimal rainfall.
Rainfall in Grand Case in March
March is the month with the least rainfall. Whether you're keen on hiking, outdoor festivals, or just enjoying a walk, this month provides a reliably dry backdrop for all your plans. Past climate data indicates that roughly 13 days will see rain, totalling around 32 mm (1.3 in) for the month. A fairly balanced picture this month, some wet days but nothing too extreme in terms of intensity.
Temperature in Grand Case in March
The temperature in Grand Case in March is perfect. Daytime highs reach 27°C (81°F), with nights dropping to 24°C (75°F). Overall, the month follows a fairly predictable daily temperature pattern. Nights stay warm at around 24°C (75°F), so light bedding and good ventilation are worth thinking about.
Sunshine in Grand Case in March
With approximately 272 hours of sunshine, the days are filled with clear skies. It makes it a perfect month for being outside.
Wind Speed in Grand Case in March
Average wind conditions reach 5 m/s (10 knots) in March. This creates lively weather with fresh winds that make small trees sway noticeably. Remember this is an average: some days are less windy while others have particularly active windy conditions.
Average water temperature in March
At 26°C (79°F), the water is warm and comfortable for swimming. Most people find this temperature ideal for spending longer periods in the water.Our weather planner can help you find worldwide destinations with pleasant weather during this period. January, February, March, April, May, June, July and December typically offer the best weather for Grand Case.
Check the conditions for any month of the year.
For a detailed overview over the year and the best time to visit Saint Martin, check out our Grand Case's climate page.
Grand Case Temperature in March
Min Temperature
24°C (75°F)
Max Temperature
27°C (81°F)
Water Temperature
26°C (79°F) *
Chance of Rain
43%
Precipitation
32 mm (1.3 in)
Rainy days
13 days
Humidity
75% *
Windspeed
5 m/s (10 knots) *
Sunshine
272 hours *
Percentage Sunshine
72% *
Daily Historical Temperatures
50-year average (1976-2025)
Based on our historical records, temperatures in Grand Case typically stay consistent throughout March, with daily highs averaging around 27°C (81°F). Nights are warm, with lows around 24°C (75°F).
Average temperatures in March
Historical weather for Grand Case in March
Browse day-by-day weather records for Grand Case spanning 51 years. Select any month and year to see actual temperatures, rainfall, and conditions recorded on each day.
Grand Case historical weather extremes in March
Based on weather observations in Grand Case between 2001 and 2026, these are the recorded extremes during March.
- Grand Case recorded its highest March temperature of 31°C (88°F) on March 20, 2005.
- The coldest March day was on March 7, 2010, with a maximum of 24°C (75°F).
- Nighttime temperatures dropped to 19°C (66°F) on March 3, 2011, marking the coldest March night on record.
Best Places in Saint Martin in March
Find out more about the weather in Saint Martin and which places have the best travel conditions in this month. See all of Saint Martin in March →
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What to Wear in Grand Case in March
Warm weather calls for comfortable, breathable clothing in March. 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). Some rain is possible, so pack something to handle light showers. Expect water temperatures of around 26°C (79°F), which is ideal for taking a refreshing dip. Bring swimwear and consider packing a towel for drying off. You'll definitely want to pack sunglasses and sunscreen. There will be plenty of bright sunshine this month.What To Do in Grand Case in March
We rated the following activities from 1 (least suitable) to 10 (best) to do.
Check the conditions for any month of the year.
For a detailed overview over the year and the best time to visit Saint Martin, check out our Grand Case's climate page.
Temperature Rainfall Sunshine Humidity Wind Speed Water Temp
See the full Grand Case climate overview or explore weather in Saint Martin.
