October Weather in Georgetown, Saint Helena, Ascension and Tristan da Cunha

Last updated: August 31, 2025

In Georgetown, Saint Helena, Ascension and Tristan da Cunha, the average temperature in October hovers around 24°C (75°F), with a comfortable minimum of 22°C (72°F) and a pleasant maximum of 25°C (77°F). Expect light precipitation, with 15 mm (0.6 in) falling over just 1 day during the month. Humidity can be quite high, averaging 80%, so be prepared for a muggy atmosphere!

October Temperature in Georgetown

In October in Georgetown, the average temperature is 24°C (75°F). Maximums can reach 25°C (77°F), and minimums can be as low as 22°C (72°F). This pleasant weather makes it an ideal time for exploring and enjoying outdoor activities during your travels.

October Weather in Georgetown: Daily Temperature Highs, Lows, and Averages

The chart illustrates October temperature patterns in Georgetown, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Georgetown, October typically has an average temperature of 24°C (75°F), with highs reaching up to 25°C (77°F) and lows dropping to around 22°C (72°F).

Data source: Temperature data for Georgetown generated using information from the Copernicus Climate Change Service.

October Precipitation in Georgetown

In Georgetown in October, the precipitation amount is 15 mm (0.6 in) over the course of 1 day.

October Precipitation Trends in Georgetown

The chart displays monthly precipitation patterns in Georgetown, 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 Georgetown, October typically receives around 15 mm (0.6 inches) of precipitation spread over approximately 1 days.

Data source: Precipitation data for October generated using information from the Copernicus Climate Change Service.

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Millimeters (mm) Inches (in)

October Humidity in Georgetown

In Georgetown in October humidity is 80%. With an average temperature of 24°C (75°F), this humidity feels like a warm, sticky blanket enveloping you, making travel slightly uncomfortable as sweat clings to your skin and the air feels thick, urging you to seek shade and hydration frequently.

October Average Humidity in Georgetown

This chart illustrates the average monthly humidity levels in Georgetown, 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 Georgetown is approximately 80%, offering insight into how humid the weather typically is during this month.

Data source: Humidity data for October generated using information from the Copernicus Climate Change Service.

October UV Index in Georgetown

In Georgetown in October, the maximum UV index reaches 13, which corresponds to an extreme Exposure Category. With a time to burn of just 10 minutes, it's crucial to take protective measures. For detailed information, you can check the Hourly UV Index in Georgetown.

Maximum UV Index Levels in Georgetown for October

The chart shows the monthly maximum UV Index (UVI) for Georgetown 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 Georgetown typically reaches 13, which falls under the extreme exposure category.

Data source: Georgetown 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 Georgetown Compares to Other Months

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

This table compares monthly weather conditions in Georgetown, showing how October’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	25°C (77°F)	9 mm (0.3 inches)	82%	extreme
February Weather	26°C (79°F)	15 mm (0.6 inches)	80%	extreme
March Weather	27°C (80°F)	16 mm (0.6 inches)	79%	extreme
April Weather	27°C (81°F)	21 mm (0.8 inches)	80%	extreme
May Weather	26°C (80°F)	14 mm (0.6 inches)	85%	extreme
June Weather	26°C (78°F)	14 mm (0.6 inches)	81%	very high
July Weather	25°C (77°F)	17 mm (0.7 inches)	79%	very high
August Weather	24°C (75°F)	19 mm (0.8 inches)	79%	extreme
September Weather	24°C (75°F)	19 mm (0.7 inches)	80%	extreme
October Weather	24°C (75°F)	15 mm (0.6 inches)	80%	extreme
November Weather	24°C (76°F)	11 mm (0.4 inches)	80%	extreme
December Weather	24°C (76°F)	12 mm (0.5 inches)	80%	extreme