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Climate almanac

San Ildefonso

Castille and León, Spain · 40.90°, -4.01°

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What is the climate like in San Ildefonso?

The best time to visit San Ildefonso is typically June – September, with trip comfort peaking in July (9.0/10). San Ildefonso is warmest in August, when daily highs average 85°F (29°C), and coolest in January, when lows fall to about 32°F (0°C). The wettest month is typically March and the driest is July; the year sees roughly 31 in (784 mm) of precipitation.

  • Best time to visitJune – September — comfort peaks in July (9.0/10)
  • Warmest monthAugust — average high 85°F (29°C)
  • Coolest monthJanuary — average low 32°F (0°C)
  • Wettest monthMarch (3.8 in (97 mm))
  • Driest monthJuly (0.7 in (17 mm))
  • Annual precipitation31 in (784 mm)
  • Based on2016-2025 daily ERA5 reanalysis data (10-year normals)
  • Records fromNavacerrada, 14 km away (1946-2026)