Climate almanac
Grand-Case
Saint Martin · 18.10°, -63.05°
What is the weather like in Grand-Case in May?
In May, Grand-Case is typically 80°F (27°C) during the day and 78°F (26°C) at night. The month brings about 2.3 in (57 mm) of precipitation in total.
- Average high80°F (27°C)
- Average low78°F (26°C)
- Precipitation2.3 in (57 mm)
- Clear or mostly clear days12
- Based on2016-2025 daily ERA5 reanalysis data (10-year normals)