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Johannesburg weather

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The weather map: all three models at once

European, American, German side by side around Johannesburg and nearby towns.Live rain radar →
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Hourly forecast: next 14 hours

consensus of the three models

Rain in the next 24 hours, model by model

each model's own hourly precipitation, side by side

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10-day forecast, out to 14 days

where the models agree, and where they split

Heading to Johannesburg? Johannesburg, South Africa, sits at 26.2°S in a subtropical climate zone. Before you lock in outdoor plans, compare how the three global models - European (ECMWF), American (GFS) and German (ICON) - forecast Johannesburg right now. Where they agree you can trust it; the days they split are exactly when a single weather app is least reliable. For a city break, the rain hours below tell you which days to plan indoors.

Best time to visit Johannesburg

The most comfortable time to visit Johannesburg is usually January, March, April and May, when daytime highs sit in the pleasant 16-26°C range and the heaviest February rain is behind you.

Johannesburg weather by month

what to expect in Johannesburg through the year

Here is Johannesburg's typical weather in each month: the average daytime high and overnight low in °C, how each month feels, and the wettest month marked. Use it to plan any trip to Johannesburg by season.

Jan
26°
14°
Warm
Feb
26°
15°
Warm
Wettest
Mar
26°
14°
Warm
Apr
22°
10°
Warm
May
21°
Mild
Jun
17°
Mild
Jul
18°
Mild
Aug
21°
Mild
Sep
25°
10°
Warm
Oct
26°
11°
Warm
Nov
27°
14°
Warm
Dec
27°
16°
Warm

Common questions

When is the best time to visit Johannesburg?
The most comfortable time to visit Johannesburg is usually January, March, April and May, when daytime highs sit in the pleasant 16-26°C range and the heaviest February rain is behind you.
Will it rain in Johannesburg during my trip?
Rain is where forecasts disagree most. Instead of trusting one app, the comparison above lines up the European, American and German models for Johannesburg - check your dates and look for the days they agree; those are the ones you can plan around.
Which forecast is most accurate for Johannesburg?
For destinations abroad we compare the three global models (ECMWF, GFS and ICON) that nearly every weather app quietly builds on. No single app tells you when they disagree - we do, so you can judge the confidence yourself.

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