Jersey weather in August 2025

Expect 68°F daytime maximum temperatures in the shade with on average 8 hours of sunshine per day in Jersey in August. Check more long-term weather averages for Jersey in August before you book your next holiday to Jersey in 2025/2026.

• 68
  68°F max day temperature
• 8
  8 hours of sunshine per day
• 11
  11 days with some rainfall
• 57
  57°F min night temperature
• 14
  14 hours of daylight per day
• 0
  No heat & humidity
• 2.0
  2.0 inches of monthly rainfall
• 6
  6 (High) UV index
• 64
  64°F sea temperature

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The August weather guide for Jersey, represented by St Helier, (St Helier) 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)  |  Imperial (°F)

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Jersey August sunrise & sunset times

Browse the sunrise and sunset times for Jersey in August 2025. Select a month to view Jersey sunrise and sunset times for the next 12 months. The Jersey sunrise and sunset times shown below are for St Helier.

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