Climate almanac

Picayune

Mississippi, United States · 30.53°, -89.68°

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What is the climate like in Picayune?

The best time to visit Picayune is typically September – November, with trip comfort peaking in October (6.9/10). Picayune is warmest in August, when daily highs average 91°F (33°C), and coolest in January, when lows fall to about 43°F (6°C). The wettest month is typically August and the driest is November; the year sees roughly 65 in (1654 mm) of precipitation.

  • Best time to visitSeptember – November — comfort peaks in October (6.9/10)
  • Warmest monthAugust — average high 91°F (33°C)
  • Coolest monthJanuary — average low 43°F (6°C)
  • Wettest monthAugust (9.1 in (231 mm))
  • Driest monthNovember (3.5 in (88 mm))
  • Annual precipitation65 in (1654 mm)
  • Based on2016-2025 daily ERA5 reanalysis data (10-year normals)
  • Records fromSlidell AP, 24 km away (1994-2026)