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April Weather in Hartswater, South Africa

Last updated: August 31, 2025

In Hartswater, South Africa, the average temperature in April hovers around 18°C (65°F), creating a pleasant atmosphere for outdoor activities. However, temperatures can range from a chilly 4°C (40°F) to a balmy 34°C (94°F). Expect around 73 mm (2.9 in) of precipitation over 8 days, with an average humidity level of 72%. Whether you prefer the cooler or warmer side of the spectrum, there's something for everyone this month!

April Temperature in Hartswater

In April in Hartswater, the average temperature is 18°C (65°F). Maximums can reach 34°C (94°F), while minimums can drop to as low as 4°C (40°F). Therefore, it's advisable to pack layers to accommodate the varying temperatures during your travels.

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

The chart illustrates April temperature patterns in Hartswater, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Hartswater, April typically has an average temperature of 18°C (65°F), with highs reaching up to 34°C (94°F) and lows dropping to around 4°C (40°F).
JanFebMarAprMayJunJulAugSepOctNovDec777571655751505564707476
Data source: Temperature data for Hartswater generated using information from the Copernicus Climate Change Service.
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The average of daily temperatures (24 hours) calculated across all days in the month.

April Precipitation in Hartswater

In Hartswater in April, the precipitation amount is 73 mm (2.9 in) over a span of 8 days.

April Precipitation Trends in Hartswater

The chart displays monthly precipitation patterns in Hartswater, 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 Hartswater, April typically receives around 73 mm (2.9 inches) of precipitation spread over approximately 8 days.
JanFebMarAprMayJunJulAugSepOctNovDec811175973434116252677
Data source: Precipitation data for April generated using information from the Copernicus Climate Change Service.
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April Humidity in Hartswater

In Hartswater in April humidity is 72%. With an average temperature of 18°C (65°F), this humidity feels like a warm, sticky embrace, making traveling somewhat uncomfortable as the air clings to your skin and the heat can be stifling, yet it's perfect for enjoying leisurely strolls under the shade.

April Average Humidity in Hartswater

This chart illustrates the average monthly humidity levels in Hartswater, 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 Hartswater is approximately 72%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec64%61%70%72%70%60%54%43%40%35%41%54%
Data source: Humidity data for April generated using information from the Copernicus Climate Change Service.

April UV Index in Hartswater

In Hartswater 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 Hartswater.

Maximum UV Index Levels in Hartswater for April

The chart shows the monthly maximum UV Index (UVI) for Hartswater 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 Hartswater typically reaches 10, which falls under the very high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec15151310756811131416
Data source: Hartswater 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 Hartswater Compares to Other Months

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

This table compares monthly weather conditions in Hartswater, showing how April’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather25°C (77°F)81 mm (3.2 inches)64%extreme
February Weather24°C (75°F)117 mm (4.6 inches)61%extreme
March Weather22°C (71°F)59 mm (2.3 inches)70%extreme
April Weather18°C (65°F)73 mm (2.9 inches)72%very high
May Weather14°C (57°F)4 mm (0.1 inches)70%high
June Weather11°C (52°F)3 mm (0.1 inches)60%moderate
July Weather10°C (51°F)4 mm (0.1 inches)53%high
August Weather13°C (56°F)11 mm (0.4 inches)43%very high
September Weather18°C (65°F)6 mm (0.2 inches)40%extreme
October Weather21°C (70°F)25 mm (1.0 inches)35%extreme
November Weather23°C (75°F)26 mm (1.0 inches)41%extreme
December Weather25°C (77°F)77 mm (3.0 inches)54%extreme

Compare Hartswater's Climate with Cities Worldwide