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St Helena weather in October 2025
Expect 18°C daytime maximum temperatures in the shade with on average -9999 hours of sunshine per day in St Helena in October. Check more long-term weather averages for St Helena in October before you book your next holiday to St Helena & Islands in 2025/2026.
- 1818°C max day temperature
- 1414 days with some rainfall
- 1515°C min night temperature
- 1212 hours of daylight per day
- 0No heat & humidity
- 4343 mm of monthly rainfall
- 1111+ (Extreme) UV index
- 2020°C sea temperature
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The October weather guide for St Helena & Islands (St Helena) 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)
How hot is it in St Helena in October?
Daytime temperatures usually reach 18°C in St Helena in October, falling to 15°C at night.
How warm is the sea around St Helena in October?
The average sea temperature around St Helena in October is 20°C.
Does it ever rain in St Helena in October?
There are usually 14 days with some rain in St Helena in October and the average monthly rainfall is 43mm.
St Helena October sunrise & sunset times
Browse the sunrise and sunset times for St Helena in October 2025. Select a month to view St Helena sunrise and sunset times for the next 12 months.
JanFebMarAprMayJunJulAugSepOctNovDec
Date | Sunrise times | Sunset times |
---|---|---|
Wednesday, 1st October 2025 | 06:05 | 18:20 |
Thursday, 16th October 2025 | 05:55 | 18:22 |
Friday, 31st October 2025 | 05:46 | 18:27 |
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