Isernia

What is the climate like in Isernia?

The best time to visit Isernia is typically June – August, with trip comfort peaking in July (8.2/10). Isernia is warmest in August, when daily highs average 82°F (28°C), and coolest in January, when lows fall to about 34°F (1°C). The wettest month is typically November and the driest is July; the year sees roughly 47 in (1194 mm) of precipitation.

• Best time to visitJune – August — comfort peaks in July (8.2/10)
• Warmest monthAugust — average high 82°F (28°C)
• Coolest monthJanuary — average low 34°F (1°C)
• Wettest monthNovember (7.5 in (191 mm))
• Driest monthJuly (1.7 in (44 mm))
• Annual precipitation47 in (1194 mm)
• Based on2016-2025 daily ERA5 reanalysis data (10-year normals)
• Records fromCampobasso, 35 km away (1966-2025)