March Weather in Newcastle, South Africa

Last updated: August 31, 2025

In Newcastle, South Africa, the average temperature in March hovers around 20°C (69°F), offering a pleasant climate. However, temperatures can vary significantly, with a minimum of 9°C (48°F) and a maximum soaring to 33°C (92°F). Expect about 101 mm (4.0 in) of precipitation over 11 days, while the average humidity stays at a comfortable 77%.

March Temperature in Newcastle

In March in Newcastle, the average temperature is 20°C (69°F). Maximum temperatures can reach 33°C (92°F), while the minimum can drop as low as 9°C (48°F). This pleasant climate makes it an ideal time for traveling, offering a comfortable range for outdoor activities and exploration.

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

The chart illustrates March 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, March typically has an average temperature of 20°C (69°F), with highs reaching up to 33°C (92°F) and lows dropping to around 9°C (48°F).

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

March Precipitation in Newcastle

In Newcastle in March, the precipitation amount is 101 mm (4.0 in) spread over 11 days.

March Precipitation Trends in Newcastle

The chart displays monthly precipitation patterns in Newcastle, with values for each month alongside March’s data, which is highlighted for easy comparison. It shows the amount of precipitation, providing insights into how March’s conditions compare to those of other months. In Newcastle, March typically receives around 101 mm (4.0 inches) of precipitation spread over approximately 11 days.

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

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Millimeters (mm) Inches (in)

March Humidity in Newcastle

In Newcastle in March, humidity is 77%. With an average temperature of 20°C (69°F), this humidity feels like a sultry embrace, making travel comfortable yet slightly sticky, as the moist air clings to your skin with every step you take.

March Average Humidity in Newcastle

This chart illustrates the average monthly humidity levels in Newcastle, with March’s data highlighted for easy comparison. It shows the fluctuation in humidity throughout the year, helping you understand how conditions vary by season. In March, average humidity in Newcastle is approximately 77%, offering insight into how humid the weather typically is during this month.

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

March UV Index in Newcastle

In Newcastle in March, 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 Newcastle.

Maximum UV Index Levels in Newcastle for March

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

Data source: Newcastle March 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 March 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 March’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 March’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