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St Helena & Islands 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 & Islands in October. Check more long-term weather averages for St Helena & Islands 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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Recommended for St Helena & Islands
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.
Top St Helena & Islands destinations
Below are average maximum temperatures at popular countries, regions and places in St Helena & Islands in October. Select a holiday destination to see more weather parameters.
All St Helena & Islands destinations
Metric (°C / mm) | Imperial (°F / inches)
How hot is it in St Helena & Islands in October?
Daytime temperatures usually reach 18°C in St Helena, St Helena & Islands in October, falling to 15°C at night.
How warm is the sea around St Helena & Islands in October?
The average sea temperature around St Helena, St Helena & Islands in October is 20°C.
Does it ever rain in St Helena & Islands in October?
There are usually 14 days with some rain in St Helena, St Helena & Islands in October and the average monthly rainfall is 43mm.
St Helena & Islands October sunrise & sunset times
Browse the sunrise and sunset times for St Helena & Islands in October 2025. Select a month to view St Helena & Islands sunrise and sunset times for the next 12 months. The St Helena & Islands sunrise and sunset times shown below are for St Helena.
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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