Christmas Island weather in August 2025

Expect 30°C daytime maximum temperatures in the shade with on average -9999 hours of sunshine per day in Christmas Island in August. Check more long-term weather averages for Christmas Island in August before you book your next holiday to Christmas Island in 2025/2026.

• 30
  30°C max day temperature
• 10
  10 days with some rainfall
• 19
  19°C min night temperature
• 12
  12 hours of daylight per day
• M
  Moderate heat & humidity
• 108
  108 mm of monthly rainfall
• 11
  11 (Extreme) UV index
• 26
  26°C sea temperature

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The August weather guide for Christmas Island 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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Christmas Island August sunrise & sunset times

Browse the sunrise and sunset times for Christmas Island in August 2025. Select a month to view Christmas Island sunrise and sunset times for the next 12 months.

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