March weather forecast
Johannesburg, South Africa

March signals an onset of the autumn season in Johannesburg, with a subtle cooling commencing in weather conditions. With lesser frequency and amount of rainfall, dry days become more common, creating bright, crystal clear skies throughout the month. The UV index remains high, urging careful use of sunscreen for those intending to spend days outdoors. The days continue to grow shorter, but Johannesburg's typical sunny weather persists. Despite the seasonal shift, temperatures remain comfortable, ranging from a maximum of 24°C (75.2°F) to a minimum of 13.1°C (55.6°F).

Temperature

Johannesburg ushers in March with an average high-temperature of a still moderately hot 24°C (75.2°F), showing a close resemblance to the previous month. Johannesburg anticipates an average minimum temperature of 13.1°C (55.6°F) in the month of March.

Humidity

In Johannesburg, the average relative humidity in March is 68%.

Rainfall

In March, in Johannesburg, the rain falls for 11.9 days. Throughout March, 91mm (3.58") of precipitation is accumulated. In Johannesburg, during the entire year, the rain falls for 99.3 days and collects up to 713mm (28.07") of precipitation.

Daylight

In March, the average length of the day in Johannesburg is 12h and 14min.
On the first day of March, sunrise is at 06:01 and sunset at 18:38. On the last day of the month, sunrise is at 06:16 and sunset at 18:06 SAST.

Sunshine

With an average of 7.7h of sunshine, March has the least sunshine of the year in Johannesburg.

UV index

January through March, November and December, with an average maximum UV index of 12, are months with the highest UV index in Johannesburg. A UV Index of 11, and more, symbolizes an ultimate health vulnerability from exposure to the Sun's UV rays for the average person.
Note: A maximum high daily UV index of 12 during March translates into the following directions:
Carry out all important precautions, unprotected skin could get burns in no time. The time between 10 a.m. and 4 p.m. is when UV radiation is at its peak. Limit exposure to direct sunlight during these hours. Prioritize a wide-brim hat for comprehensive sun defense for your face, neck, eyes, and ears.