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

Last updated: August 31, 2025

In Longwood, Saint Helena, Ascension and Tristan da Cunha, the average temperature in October is a pleasant 19°C (67°F). You can expect minimal fluctuations, with a minimum of 18°C (64°F) and a maximum of 21°C (69°F). Precipitation is light, totaling just 11 mm (0.4 in) over 0 days, while the average humidity hovers around a comfortable 80%. Enjoy the mild weather!

October Temperature in Longwood

In October in Longwood, the average temperature is 19°C (67°F). Maximum temperatures can reach 21°C (69°F), while minimums can drop to as low as 18°C (64°F). This mild climate makes Longwood an ideal destination for travelers seeking comfortable weather.

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

The chart illustrates October temperature patterns in Longwood, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Longwood, October typically has an average temperature of 19°C (67°F), with highs reaching up to 21°C (69°F) and lows dropping to around 18°C (64°F).

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

October Precipitation in Longwood

In Longwood in October, the total precipitation amount is 11 mm (0.4 in) recorded over a span of 0 days.

October Precipitation Trends in Longwood

The chart displays monthly precipitation patterns in Longwood, 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 Longwood, October typically receives around 11 mm (0.4 inches) of precipitation spread over approximately 0 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 Longwood

In Longwood in October humidity is 80%. With an average temperature of 19°C (67°F), this humidity feels like a warm, heavy blanket enveloping you, making outdoor exploration a bit uncomfortable and sticky, yet it encourages you to seek out refreshing indoor activities or shaded spots to escape the heat.

October Average Humidity in Longwood

This chart illustrates the average monthly humidity levels in Longwood, 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 Longwood 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 Longwood

In Longwood in October, the maximum UV index is 14, which corresponds to an extreme Exposure Category. The time to burn is just 10 minutes, so it's crucial to take precautions. For the detailed hourly UV index in Longwood, you can check here.

Maximum UV Index Levels in Longwood for October

The chart shows the monthly maximum UV Index (UVI) for Longwood 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 Longwood typically reaches 14, which falls under the extreme exposure category.

Data source: Longwood 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 Longwood Compares to Other Months

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

This table compares monthly weather conditions in Longwood, showing how October’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	23°C (73°F)	10 mm (0.4 inches)	79%	extreme
February Weather	24°C (75°F)	12 mm (0.5 inches)	81%	extreme
March Weather	24°C (76°F)	16 mm (0.6 inches)	82%	extreme
April Weather	24°C (75°F)	14 mm (0.6 inches)	81%	extreme
May Weather	23°C (73°F)	12 mm (0.5 inches)	78%	very high
June Weather	22°C (71°F)	14 mm (0.5 inches)	74%	very high
July Weather	21°C (69°F)	12 mm (0.5 inches)	75%	very high
August Weather	20°C (68°F)	14 mm (0.6 inches)	76%	very high
September Weather	20°C (67°F)	13 mm (0.5 inches)	78%	extreme
October Weather	19°C (67°F)	11 mm (0.4 inches)	80%	extreme
November Weather	20°C (68°F)	10 mm (0.4 inches)	81%	extreme
December Weather	21°C (70°F)	10 mm (0.4 inches)	80%	extreme