The highest day temperature in March 2025 was 89°F. The lowest night temperature was 57°F. The average values for day and night temperatures during March were 78.6°F и 64.3°F respectivly.

Most of the days in March are sunny but you can also expect cloudy and gloomy days.

Precipitation total in March for Johannesburg is 1.7 in.

The average wind speed in March is 5.7 mph. It makes March one of the most windless months of the year for Johannesburg.

We are using day length and cloud cover information for each day of the month to calculate averages for this chart. Average sunny hours for Johannesburg in March is 9.5 hours.