Climate almanac

Romanshorn

Thurgau, Switzerland · 47.57°, 9.38°

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What is the climate like in Romanshorn?

The best time to visit Romanshorn is typically July, the year's most comfortable month (6.4/10). Romanshorn is warmest in July, when daily highs average 75°F (24°C), and coolest in January, when lows fall to about 29°F (-2°C). The wettest month is typically August and the driest is February; the year sees roughly 57 in (1453 mm) of precipitation.

  • Best time to visitJuly — the year's comfort peak (6.4/10)
  • Warmest monthJuly — average high 75°F (24°C)
  • Coolest monthJanuary — average low 29°F (-2°C)
  • Wettest monthAugust (6.9 in (175 mm))
  • Driest monthFebruary (3.2 in (81 mm))
  • Annual precipitation57 in (1453 mm)
  • Based on2016-2025 daily ERA5 reanalysis data (10-year normals)
  • Records fromFriedrichshafen-unterraderach, 14 km away (2003-2026)