March Weather in Koster, South Africa

Last updated: August 31, 2025

In March, the average temperature in Koster, South Africa hovers around 21°C (70°F), offering a pleasant climate for outdoor activities. Temperatures can range from a cool 10°C (51°F) to a warm 35°C (95°F), providing variety throughout the month. While average humidity sits at 67%, expect 53 mm (2.1 in) of precipitation spread over approximately 9 days—perfect for those refreshing rain showers!

March Temperature in Koster

In March in Koster, the average temperature is 21°C (70°F). Maximums can reach 35°C (95°F), while minimums can drop to as low as 10°C (51°F). This makes Koster an ideal destination for travelers seeking a pleasant climate.

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

The chart illustrates March 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, March typically has an average temperature of 21°C (70°F), with highs reaching up to 35°C (95°F) and lows dropping to around 10°C (51°F).
JanFebMarAprMayJunJulAugSepOctNovDec737270655954546068717373
Data source: Temperature data for Koster 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.

March Precipitation in Koster

In Koster in March, the total precipitation amount is 53 mm (2.1 in) spread over 9 days.

March Precipitation Trends in Koster

The chart displays monthly precipitation patterns in Koster, 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 Koster, March typically receives around 53 mm (2.1 inches) of precipitation spread over approximately 9 days.
JanFebMarAprMayJunJulAugSepOctNovDec1061285343952154868121
Data source: Precipitation data for March generated using information from the Copernicus Climate Change Service.
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March Humidity in Koster

In Koster in March humidity is 67%. With an average temperature of 21°C (70°F), this humidity feels like a warm embrace, making travel a bit stifling but still enjoyable if you're prepared with light clothing and plenty of water.

March Average Humidity in Koster

This chart illustrates the average monthly humidity levels in Koster, 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 Koster is approximately 67%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec66%66%67%61%56%56%55%45%49%47%53%64%
Data source: Humidity data for March generated using information from the Copernicus Climate Change Service.

March UV Index in Koster

In Koster 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 Koster.

Maximum UV Index Levels in Koster for March

The chart shows the monthly maximum UV Index (UVI) for Koster 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 Koster typically reaches 13, which falls under the extreme exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec16151311766911131416
Data source: Koster 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 Koster Compares to Other Months

Weather in Koster varies notably across the year, with each month offering distinct climate conditions. This page compares March’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 March’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather23°C (74°F)106 mm (4.2 inches)66%extreme
February Weather22°C (72°F)128 mm (5.0 inches)66%extreme
March Weather21°C (70°F)53 mm (2.1 inches)67%extreme
April Weather18°C (65°F)43 mm (1.7 inches)61%extreme
May Weather15°C (59°F)9 mm (0.4 inches)56%high
June Weather12°C (55°F)5 mm (0.2 inches)56%high
July Weather12°C (54°F)2 mm (0.1 inches)55%high
August Weather16°C (61°F)1 mm (0.1 inches)45%very high
September Weather20°C (68°F)5 mm (0.2 inches)49%extreme
October Weather21°C (71°F)47 mm (1.9 inches)47%extreme
November Weather23°C (73°F)67 mm (2.7 inches)53%extreme
December Weather23°C (73°F)120 mm (4.7 inches)64%extreme

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