Climate almanac

San Juan

Texas, United States · 26.19°, -98.16°

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What is the weather like in San Juan in May?

In May, San Juan is typically 93°F (34°C) during the day and 75°F (24°C) at night. The month brings about 2.7 in (70 mm) of precipitation in total.

  • Average high93°F (34°C)
  • Average low75°F (24°C)
  • Precipitation2.7 in (70 mm)
  • Clear or mostly clear days12
  • Based on2016-2025 daily ERA5 reanalysis data (10-year normals)