Johannesburg, South Africa skyline

Johannesburg Weather in March

The usual March conditions in Johannesburg, South Africa, drawn from 2006–2025 records.

Johannesburg in March: highs near 23.5°C (74.3°F), lows near 12.9°C (55.2°F), roughly 12 rainy days adding up to 76 mm, and 10.5 hours of sunshine on an average day.

Avg high

23.5°C (74.3°F)

Avg low

12.9°C (55.2°F)

Rainfall

76 mm (3 in)

Rainy days

12 days

Sunshine

10.5 h / day

Humidity

67%

March vs the rest of the year

6 of the other 11 months are warmer than March in Johannesburg; for rain it is the 5th wettest month.

MonthAvg highvs MarchRainRainy days
January24.9°C (76.8°F)+1.4°C (+2.5°F)128 mm15
February24.8°C (76.6°F)+1.3°C (+2.3°F)104 mm13
March23.5°C (74.3°F)—76 mm12
April20.7°C (69.3°F)−2.8°C (−5°F)53 mm8
May19.1°C (66.4°F)−4.4°C (−7.9°F)15 mm3
June16.6°C (61.9°F)−6.9°C (−12.4°F)8 mm1
July16.8°C (62.2°F)−6.7°C (−12.1°F)3 mm1
August20.1°C (68.2°F)−3.4°C (−6.1°F)8 mm1
September24.4°C (75.9°F)+0.9°C (+1.6°F)16 mm3
October25.3°C (77.5°F)+1.8°C (+3.2°F)60 mm10
November24.9°C (76.8°F)+1.4°C (+2.5°F)89 mm13
December25°C (77°F)+1.5°C (+2.7°F)129 mm17

What March feels like in Johannesburg

For Johannesburg, March is early autumn on the calendar (Johannesburg is in the southern hemisphere, so the seasons run opposite to Europe and North America). Afternoons are warm and pleasant, good for long days out. After dark the temperature drops clearly: nights are cool. The air carries some moisture, so hot spells feel a little sticky.

Rain in Johannesburg in March

Showers are a regular feature, arriving about one day in 3. A rainy day brings about 6.3 mm (0.2 in) on average — steady rain rather than a passing shower. The yearly figure is similar, around 7.1 mm per wet day.

Daylight and sunshine in March

Mid-month, Johannesburg gets 12 h 17 min of daylight, from sunrise near 6:09 am to sunset near 6:26 pm. Compared with mid-February, the day has lost 43 min. Measured sunshine covers about 85% of the daylight — skies are mostly clear.

How March compares to the rest of the year

In Johannesburg's temperature order, March sits as the 6th coolest month. Against February, the average high is 1.3°C (2.3°F) lower, with 29 mm less rain. The cooling trend carries on into April. April averages a high of 20.7°C (69.3°F).

Who March suits

  • Sightseeing: a good fit — daytime temperatures are fine for walking around.
  • Parks & outdoor: a good fit — pleasant for gardens, parks and riversides.

Tips for visiting Johannesburg in March

Versatile Layers

Days are noticeably warmer than nights — layers you can add or remove.

Rain Protection

Keep a small umbrella in your bag and wear shoes that cope with puddles.

Sunglasses

Plenty of sun, so bring sunglasses and a cap.

Quick questions

How warm is Johannesburg in March?

It feels warm: typical highs are 23.5°C (74.3°F), with lows near 12.9°C (55.2°F).

Does it rain a lot in Johannesburg in March?

Quite a lot — 76 mm spread over about 12 days.

What should I wear in Johannesburg in March?

Pack versatile layers, rain protection and sunglasses. Add a layer for after dark.

Is March or April better for visiting Johannesburg?

April, narrowly: it ranks #6 of 12 among Johannesburg's months, against #8 for the other. April is cooler and has fewer rainy days.

Is March a good time to visit Johannesburg?

Good

Good — comfortable temperatures, frequent rain (about 12 rainy days), plenty of sunshine (10.5 h a day). Within Johannesburg's own year, March ranks #8 of 12.

March in other South Africa cities

Warmer or drier places in March

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Monthly averages from 20 years of Open-Meteo history (2006–2025), not a forecast — see all 12 months in Johannesburg weather by month.