Climate almanac

Saint Sampson

St Sampson, Guernsey · 49.48°, -2.52°

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What is the climate like in Saint Sampson?

The best time to visit Saint Sampson is typically June – September, with trip comfort peaking in July (7.3/10). Saint Sampson is warmest in August, when daily highs average 64°F (18°C), and coolest in January, when lows fall to about 46°F (8°C). The wettest month is typically November and the driest is July; the year sees roughly 39 in (985 mm) of precipitation.

  • Best time to visitJune – September — comfort peaks in July (7.3/10)
  • Warmest monthAugust — average high 64°F (18°C)
  • Coolest monthJanuary — average low 46°F (8°C)
  • Wettest monthNovember (5.6 in (143 mm))
  • Driest monthJuly (1.4 in (35 mm))
  • Annual precipitation39 in (985 mm)
  • Based on2016-2025 daily ERA5 reanalysis data (10-year normals)
  • Records fromGuernsey: Airport, 8 km away (1959-2026)