October Weather in Koster, South Africa

Last updated: August 31, 2025

In Koster, South Africa, the average temperature in October is a pleasant 21°C (71°F). Expect a range from a brisk 8°C (46°F) to a scorching 36°C (98°F). Rainfall is moderate, with 47 mm (1.9 in) of precipitation spread over 6 days. The climate feels comfortably humid, with an average humidity level of 47%.

October Temperature in Koster

In October in Koster, the average temperature is 21°C (71°F). Maximum temperatures can reach 36°C (98°F), while minimums can drop as low as 8°C (46°F). This diverse range makes Koster an ideal destination for travelers seeking both warm days and cooler evenings.

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

The chart illustrates October temperature patterns in Koster, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Koster, October typically has an average temperature of 21°C (71°F), with highs reaching up to 36°C (98°F) and lows dropping to around 8°C (46°F).

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

October Precipitation in Koster

In Koster in October, the precipitation amount is 47 mm (1.9 in) over the course of 6 days.

October Precipitation Trends in Koster

The chart displays monthly precipitation patterns in Koster, 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 Koster, October typically receives around 47 mm (1.9 inches) of precipitation spread over approximately 6 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 Koster

In Koster in October humidity is 47%. With an average temperature of 21°C (71°F), this humidity feels like a comfortable embrace, making it ideal for exploring the sights without feeling overly sticky or oppressive.

October Average Humidity in Koster

This chart illustrates the average monthly humidity levels in Koster, 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 Koster is approximately 47%, 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 Koster

In Koster 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 Koster.

Maximum UV Index Levels in Koster for October

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

Data source: Koster 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 Koster Compares to Other Months

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

This table compares monthly weather conditions in Koster, 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 (74°F)	106 mm (4.2 inches)	66%	extreme
February Weather	22°C (72°F)	128 mm (5.0 inches)	66%	extreme
March Weather	21°C (70°F)	53 mm (2.1 inches)	67%	extreme
April Weather	18°C (65°F)	43 mm (1.7 inches)	61%	extreme
May Weather	15°C (59°F)	9 mm (0.4 inches)	56%	high
June Weather	12°C (55°F)	5 mm (0.2 inches)	56%	high
July Weather	12°C (54°F)	2 mm (0.1 inches)	55%	high
August Weather	16°C (61°F)	1 mm (0.1 inches)	45%	very high
September Weather	20°C (68°F)	5 mm (0.2 inches)	49%	extreme
October Weather	21°C (71°F)	47 mm (1.9 inches)	47%	extreme
November Weather	23°C (73°F)	67 mm (2.7 inches)	53%	extreme
December Weather	23°C (73°F)	120 mm (4.7 inches)	64%	extreme