October Weather in Newcastle, South Africa

Last updated: August 31, 2025

In Newcastle, South Africa, the average temperature in October hovers around 18°C (66°F). Expect a minimum chill of 5°C (41°F) and a maximum heat of 36°C (97°F). With an average humidity of 74%, the month sees about 76 mm (3.0 in) of precipitation spread over 12 days, ensuring a refreshing yet varied climate.

October Temperature in Newcastle

In October in Newcastle, the average temperature is 18°C (66°F). The maximum can reach 36°C (97°F), while the minimum can be as low as 5°C (41°F). It's advisable to pack a variety of clothing to handle both warm days and cooler evenings during your travels.

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

The chart illustrates October temperature patterns in Newcastle, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Newcastle, October typically has an average temperature of 18°C (66°F), with highs reaching up to 36°C (97°F) and lows dropping to around 5°C (41°F).

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

October Precipitation in Newcastle

In Newcastle in October, the total precipitation amount is 76 mm (3.0 in), occurring over the course of 12 days.

October Precipitation Trends in Newcastle

The chart displays monthly precipitation patterns in Newcastle, 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 Newcastle, October typically receives around 76 mm (3.0 inches) of precipitation spread over approximately 12 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 Newcastle

In Newcastle in October humidity is 74%. With an average temperature of 18°C (66°F), this humidity feels like a warm, enveloping blanket, making travel slightly uncomfortable as you navigate through the muggy air, often leaving you yearning for a refreshing breeze.

October Average Humidity in Newcastle

This chart illustrates the average monthly humidity levels in Newcastle, 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 Newcastle is approximately 74%, 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 Newcastle

In Newcastle in October, the maximum UV index is 12, which corresponds to an extreme Exposure Category. The time to burn is just 10 minutes, underscoring the importance of sun protection. For detailed information, you can check the Hourly UV Index in Newcastle.

Maximum UV Index Levels in Newcastle for October

The chart shows the monthly maximum UV Index (UVI) for Newcastle 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 Newcastle typically reaches 12, which falls under the extreme exposure category.

Data source: Newcastle 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 Newcastle Compares to Other Months

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

This table compares monthly weather conditions in Newcastle, showing how October’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	21°C (70°F)	117 mm (4.6 inches)	79%	extreme
February Weather	21°C (70°F)	136 mm (5.3 inches)	77%	extreme
March Weather	20°C (69°F)	101 mm (4.0 inches)	77%	extreme
April Weather	17°C (63°F)	68 mm (2.7 inches)	81%	very high
May Weather	14°C (58°F)	28 mm (1.1 inches)	82%	high
June Weather	12°C (53°F)	9 mm (0.4 inches)	73%	moderate
July Weather	12°C (54°F)	3 mm (0.1 inches)	71%	high
August Weather	15°C (59°F)	22 mm (0.9 inches)	68%	very high
September Weather	18°C (64°F)	38 mm (1.5 inches)	74%	extreme
October Weather	18°C (66°F)	76 mm (3.0 inches)	74%	extreme
November Weather	20°C (68°F)	106 mm (4.2 inches)	82%	extreme
December Weather	21°C (70°F)	161 mm (6.3 inches)	81%	extreme