April Weather in Newcastle, South Africa

Last updated: August 31, 2025

In April, the average temperature in Newcastle, South Africa is a pleasant 17°C (63°F). However, expect some variation, with minimums dipping to 6°C (44°F) and maximums reaching a warm 31°C (88°F). Be prepared for some rain, as the area typically sees 68 mm (2.7 in) of precipitation over 9 days. With an average humidity of 81%, it’s a month to enjoy the vibrant atmosphere while staying comfortably hydrated!

April Temperature in Newcastle

In April in Newcastle, the average temperature is 17°C (63°F). Maximum temperatures can reach up to 31°C (88°F), while the minimum can drop as low as 6°C (44°F). This diverse temperature range makes Newcastle a perfect destination for travelers seeking both warm days and cooler evenings.

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

The chart illustrates April 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, April typically has an average temperature of 17°C (63°F), with highs reaching up to 31°C (88°F) and lows dropping to around 6°C (44°F).

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

April Precipitation in Newcastle

In Newcastle in April, the precipitation amount is 68 mm (2.7 in) spread over 9 days.

April Precipitation Trends in Newcastle

The chart displays monthly precipitation patterns in Newcastle, with values for each month alongside April’s data, which is highlighted for easy comparison. It shows the amount of precipitation, providing insights into how April’s conditions compare to those of other months. In Newcastle, April typically receives around 68 mm (2.7 inches) of precipitation spread over approximately 9 days.

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

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Millimeters (mm) Inches (in)

April Humidity in Newcastle

In Newcastle in April humidity is 81%. With an average temperature of 17°C (63°F), this humidity feels like a warm blanket enveloping you, making travel slightly oppressive and calling for frequent breaks in air-conditioned spaces to recharge and enjoy your journey comfortably.

April Average Humidity in Newcastle

This chart illustrates the average monthly humidity levels in Newcastle, with April’s data highlighted for easy comparison. It shows the fluctuation in humidity throughout the year, helping you understand how conditions vary by season. In April, average humidity in Newcastle is approximately 81%, offering insight into how humid the weather typically is during this month.

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

April UV Index in Newcastle

In Newcastle in April, the maximum UV index reaches 10, which corresponds to a very high Exposure Category. With a time to burn of just 15 minutes, it's crucial to take precautions. For more detailed information, you can check the Hourly UV Index in Newcastle.

Maximum UV Index Levels in Newcastle for April

The chart shows the monthly maximum UV Index (UVI) for Newcastle in April, 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 April, the maximum UV index in Newcastle typically reaches 10, which falls under the very high exposure category.

Data source: Newcastle April 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 April 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 April’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 April’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