Gros Islet weather in October 2025

Expect 30°C daytime maximum temperatures in the shade with on average 7 hours of sunshine per day in Gros Islet in October. Check more long-term weather averages for Gros Islet in October before you book your next holiday to St Lucia in 2025/2026.

• 30
  30°C max day temperature
• 7
  7 hours of sunshine per day
• 18
  18 days with some rainfall
• 24
  24°C min night temperature
• 12
  12 hours of daylight per day
• H
  High heat & humidity
• 269
  269 mm of monthly rainfall
• 11
  11 (Extreme) UV index
• 29
  29°C sea temperature

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Gros Islet by month

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The October weather guide for St Lucia (Gros Islet) shows long term weather averages processed from data supplied by CRU (University of East Anglia), the Met Office & the Netherlands Meteorological Institute. Find out more about our data sources.

Metric (°C / mm)  |  Imperial (°F / inches)

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Gros Islet October sunrise & sunset times

Browse the sunrise and sunset times for Gros Islet in October 2025. Select a month to view Gros Islet sunrise and sunset times for the next 12 months.

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