Climate almanac

As Sulayyil

Riyadh Region, Saudi Arabia · 20.46°, 45.58°

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What is the climate like in As Sulayyil?

The best time to visit As Sulayyil is typically October – April, with trip comfort peaking in December (8.9/10). As Sulayyil is warmest in July, when daily highs average 111°F (44°C), and coolest in January, when lows fall to about 53°F (12°C). The wettest month is typically April and the driest is September; the year sees roughly 0.9 in (23 mm) of precipitation.

  • Best time to visitOctober – April — comfort peaks in December (8.9/10)
  • Warmest monthJuly — average high 111°F (44°C)
  • Coolest monthJanuary — average low 53°F (12°C)
  • Wettest monthApril (0.3 in (8 mm))
  • Driest monthSeptember (0.0 in (0 mm))
  • Annual precipitation0.9 in (23 mm)
  • Based on2016-2025 daily ERA5 reanalysis data (10-year normals)
  • Records fromWadi Al Dawasir, 40 km away (1990-2025)