Johannesburg Weather in March
South Africa · Subtropical Highlands climate · Data averaged from 2020-01-01 to 2024-12-31 (5 years)
March in Johannesburg sees average temperatures ranging from a low of 13.0°C (55.4°F) to a high of 24.1°C (75.4°F), with a mean of 18.2°C (64.8°F). Compared to the annual average of 16.0°C (60.8°F), this month is 2.2°C warmer than the yearly norm. Precipitation averages 41.9mm, making it approximately 12.0mm drier than the monthly average of 54.0mm. The city receives an average of 10.6 hours of sunshine per day during March, with relative humidity averaging 66.1%. Wind speeds reach an average maximum of 16.1 km/h. For travelers, this month offers a temperature experience in Johannesburg, with drier-than-average conditions compared to the rest of the year.
Johannesburg's altitude of 1,753 meters creates a subtropical highland climate with comfortable temperatures and summer rainfall. I've studied the data and found that the city experiences mild, dry winters and warm, wet summers. The best time for visiting is May to September, when the weather is dry and the city's outdoor attractions are most accessible.
March vs Adjacent Months
| Metric | February | March | April |
|---|---|---|---|
| Mean Temp | 19.3°C (66.7°F) | 18.2°C (64.8°F) | 15.3°C (59.5°F) |
| Rainfall | 109.1mm | 41.9mm | 72.7mm |
| Sunshine | 10.8 hrs | 10.6 hrs | 10.1 hrs |
| Humidity | 69.7% | 66.1% | 63.7% |
| Wind | 16.5 km/h | 16.1 km/h | 16.7 km/h |
| Rainy Days | 19.2 | 17.0 | 11.0 |
Seasonal Context
March falls in Spring in the Northern Hemisphere. Spring is a transitional season with temperatures rising from winter lows. For travelers visiting Johannesburg in March, the data indicates favorable conditions based on the combination of temperature, precipitation, and daylight hours.
Frequently Asked Questions
What is the average temperature in Johannesburg in March?
The average temperature in Johannesburg during March ranges from 13.0°C (55.4°F) to 24.1°C (75.4°F), with a mean of 18.2°C (64.8°F).
How much does it rain in Johannesburg in March?
Johannesburg receives an average of 41.9mm of precipitation in March, spread across approximately 17.0 rainy days.
What should I pack for Johannesburg in March?
Based on March weather data, pack layers including light jackets and t-shirts, plus an umbrella.
Is March a good time to visit Johannesburg?
March is a good time to visit Johannesburg, with comfortable temperatures and manageable rainfall.
Other Months for Johannesburg
Cities with Similar March Climate (Subtropical Highlands)
Data Source: Open-Meteo historical archive (2020-01-01 to 2024-12-31). Daily measurements aggregated into monthly climate normals. Coordinates: -26.2°, 28.05°. Timezone: Africa/Johannesburg. Last updated: 2026-07-30.