Grand Case Weather in April
Grand Case in April sees high temperatures, with highs around 27°C (81°F) and overnight lows of 25°C (77°F). Overall perfect conditions make it one of the better months to visit.
Rainfall in Grand Case in April
Looking at the last 30 years, the data shows about 12 days with rain, averaging 45 mm (1.8 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 April
April tends to be one of the perfect months in Grand Case, with 27°C (81°F) in the afternoon and 25°C (77°F) overnight. The days can feel warmer than the evenings, so packing for both parts of the day is a good idea. Nights are warm at 25°C (77°F). It's worth making sure your accommodation has decent ventilation or air conditioning.
Sunshine in Grand Case in April
The month enjoys around 266 hours of sunshine, creating mostly sunny days with good weather conditions.
Wind Speed in Grand Case in April
Average wind conditions reach 5 m/s (10 knots) in April. 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 April
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.If you're a fan of comfortable temperatures and drier conditions, April is a great time to visit.
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 April
Min Temperature
25°C (77°F)
Max Temperature
27°C (81°F)
Water Temperature
26°C (79°F) *
Chance of Rain
41%
Precipitation
45 mm (1.8 in)
Rainy days
12 days
Humidity
77% *
Windspeed
5 m/s (10 knots) *
Sunshine
266 hours *
Percentage Sunshine
69% *
Daily Historical Temperatures
50-year average (1976-2025)
Based on our historical records, temperatures in Grand Case typically stay consistent throughout April, with daily highs averaging around 27°C (81°F). Nights are warm, with lows around 25°C (77°F).
Average temperatures in April
Historical weather for Grand Case in April
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 April
Based on weather observations in Grand Case between 1978 and 2026, these are the recorded extremes during April.
- Grand Case recorded its highest April temperature of 32°C (90°F) on April 25, 1987.
- The coldest April day was on April 16, 1982, with a maximum of 24°C (75°F).
- Nighttime temperatures dropped to 20°C (68°F) on April 7, 2003, marking the coldest April night on record.
Best Places in Saint Martin in April
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 April →
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What to Wear in Grand Case in April
Warm weather calls for comfortable, breathable clothing in April. 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). Rain is likely on several days, so bring a good rain jacket. 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. And with plenty of sunshine hours, don’t forget sunglasses, sunscreen, and maybe a sun hat.What To Do in Grand Case in April
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.
