Grand-Case

What is the climate like in Grand-Case?

The best time to visit Grand-Case is typically December – June, with trip comfort peaking in March (8.4/10). Grand-Case is warmest in September, when daily highs average 83°F (28°C), and coolest in February, when lows fall to about 76°F (24°C). The wettest month is typically September and the driest is March; the year sees roughly 35 in (898 mm) of precipitation.

• Best time to visitDecember – June — comfort peaks in March (8.4/10)
• Warmest monthSeptember — average high 83°F (28°C)
• Coolest monthFebruary — average low 76°F (24°C)
• Wettest monthSeptember (5.7 in (144 mm))
• Driest monthMarch (1.2 in (30 mm))
• Annual precipitation35 in (898 mm)
• Based on2016-2025 daily ERA5 reanalysis data (10-year normals)