Climate almanac

Darreh Shahr

Ilam Province, Iran · 33.14°, 47.38°

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What is the climate like in Darreh Shahr?

The best time to visit Darreh Shahr is typically May – October, with trip comfort peaking in September (9.1/10). Darreh Shahr is warmest in July, when daily highs average 103°F (40°C), and coolest in January, when lows fall to about 33°F (0°C). The wettest month is typically March and the driest is July; the year sees roughly 21 in (533 mm) of precipitation.

  • Best time to visitMay – October — comfort peaks in September (9.1/10)
  • Warmest monthJuly — average high 103°F (40°C)
  • Coolest monthJanuary — average low 33°F (0°C)
  • Wettest monthMarch (4.4 in (111 mm))
  • Driest monthJuly (0.0 in (0 mm))
  • Annual precipitation21 in (533 mm)
  • Based on2016-2025 daily ERA5 reanalysis data (10-year normals)
  • Records fromKhorram Abad, 90 km away (1973-2004)