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October Weather in St Helena, Australia

Last updated: August 22, 2025

In St Helena, Australia, the average temperature in October hovers around 14°C (58°F). Expect a minimum of 3°C (38°F) and a maximum reaching up to 32°C (91°F). During this month, the area receives about 74 mm (2.9 in) of precipitation over 12 days, accompanied by an average humidity of 61%. Enjoy the varied climate while exploring all that St Helena has to offer!

October Temperature in St Helena

In October in St Helena, the average temperature is 14°C (58°F). The maximum can reach 32°C (91°F) and the minimum can be as low as 3°C (38°F). Overall, this month offers a diverse range of temperatures, making it ideal for travelers seeking both warm and cool experiences.

October Weather in St Helena: Daily Temperature Highs, Lows, and Averages

The chart illustrates October temperature patterns in St Helena, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In St Helena, October typically has an average temperature of 14°C (58°F), with highs reaching up to 32°C (91°F) and lows dropping to around 3°C (38°F).
JanFebMarAprMayJunJulAugSepOctNovDec696766605450495054586265
Data source: Temperature data for St Helena generated using information from the Copernicus Climate Change Service.
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The average of daily temperatures (24 hours) calculated across all days in the month.

October Precipitation in St Helena

In St Helena in October, the precipitation amount is 74 mm (2.9 in) over a span of 12 days.

October Precipitation Trends in St Helena

The chart displays monthly precipitation patterns in St Helena, with values for each month alongside October’s data, which is highlighted for easy comparison. It shows the amount of precipitation, providing insights into how October’s conditions compare to those of other months. In St Helena, October typically receives around 74 mm (2.9 inches) of precipitation spread over approximately 12 days.
JanFebMarAprMayJunJulAugSepOctNovDec424440515754465864745874
Data source: Precipitation data for October generated using information from the Copernicus Climate Change Service.
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October Humidity in St Helena

In St Helena in October humidity is 61%. With an average temperature of 14°C (58°F), this humidity feels like a refreshing embrace, making for comfortable travel conditions that invite exploration while ensuring you stay hydrated and refreshed.

October Average Humidity in St Helena

This chart illustrates the average monthly humidity levels in St Helena, with October’s data highlighted for easy comparison. It shows the fluctuation in humidity throughout the year, helping you understand how conditions vary by season. In October, average humidity in St Helena is approximately 61%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec43%49%60%71%79%82%83%79%72%61%59%50%
Data source: Humidity data for October generated using information from the Copernicus Climate Change Service.

October UV Index in St Helena

In St Helena in October, the maximum UV index is 9, which corresponds to a very high Exposure Category. The time to burn is just 15 minutes, so it's essential to take precautions. For detailed information, you can check the Hourly UV Index in St Helena.

Maximum UV Index Levels in St Helena for October

The chart shows the monthly maximum UV Index (UVI) for St Helena in October, representing the highest UV radiation level. The UVI measures the intensity of ultraviolet radiation from the sun, indicating the potential risk of sunburn and UV-related health issues. In October, the maximum UV index in St Helena typically reaches 9, which falls under the very high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec14121174335791214
Data source: St Helena October UVI data generated using information from the Copernicus Climate Change Service.

UV Risk Categories

  •  Extreme (11+): Avoid the sun, stay in shade.
  •  Very High (8-10): Limit sun exposure.
  •  High (6-7): Use SPF 30+ and protective clothing.
  •  Moderate (3-5): Midday shade recommended.
  •  Low (0-2): No protection needed.

How October Weather in St Helena Compares to Other Months

Weather in St Helena varies notably across the year, with each month offering distinct climate conditions. This page compares October’s weather to other months in St Helena, focusing on differences in temperature, rainfall, humidity, and UV levels.

This table compares monthly weather conditions in St Helena, showing how October’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather21°C (70°F)42 mm (1.6 inches)43%extreme
February Weather19°C (67°F)44 mm (1.7 inches)49%extreme
March Weather19°C (66°F)40 mm (1.6 inches)60%extreme
April Weather15°C (60°F)51 mm (2.0 inches)71%high
May Weather12°C (54°F)57 mm (2.2 inches)79%moderate
June Weather10°C (50°F)54 mm (2.1 inches)81%moderate
July Weather10°C (49°F)46 mm (1.8 inches)83%moderate
August Weather10°C (50°F)58 mm (2.3 inches)79%moderate
September Weather12°C (54°F)64 mm (2.5 inches)72%high
October Weather14°C (58°F)74 mm (2.9 inches)61%very high
November Weather17°C (62°F)58 mm (2.3 inches)59%extreme
December Weather18°C (65°F)74 mm (2.9 inches)50%extreme

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