City in Sydafrika

Johannesburg Vejr Prognose

Johannesburg weather: 9°C, overskyet. Hver time forecast, 14-day outlook, UV, air quality and the best time og visit.

☁️ 9°C now🕔 12:08 AM local📅 Best: januar, februar, maj, juli, august, september, oktober and november👥 5.8 million

Johannesburg weather in maj

20°
average high · low 8°C
★★★★☆
ranked #3 of 12 months

One of the best months og visit Johannesburg.

Average high20°C
Average low8°C
Mean14°C
Regnfall15 mm

maj runs 3°C cooler than the annual average in Johannesburg.

Compare med april.

Vejr map for Johannesburg

Animated model layers. Pick a layer og load it.

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Animated layers by Vindy. For pin-level detail and nearby places, see the interactive map below.

Klima in Johannesburg month by month

Average high, average low and total rainfall, based on three years of reanalysis data.

janfebmaraprmajjunjulaugsepoktnovdecLine: average high · Bars: rainfall
MånedAvg highAvg lowRegnfallRating
januar26°15°77 mm★★★★☆
februar26°16°92 mm★★★★☆
marts24°14°94 mm★★★★☆
april21°11°82 mm★★★★☆
maj20°8°15 mm★★★★☆
juni17°5°9 mm★★★★☆
juli18°5°3 mm★★★★☆
august21°8°24 mm★★★★☆
september24°11°30 mm★★★★☆
oktober25°12°44 mm★★★★☆
november25°14°78 mm★★★★☆
december26°15°113 mm★★★★☆

Klima type: Mediterranean. Kilde: Open-Meteo archive (ERA5).

Bedste rejsetid Johannesburg

Go in januar, februar, maj, juli, august, september, oktober and november. These months score highest on comfortable temperatures, low rainfall and useful daylight.

Hardest months: marts, juni and december - expect the least comfortable mix of heat, cold or rain.

januar★★★★☆
februar★★★★☆
marts★★★★☆
april★★★★☆
maj★★★★☆
juni★★★★☆
juli★★★★☆
august★★★★☆
september★★★★☆
oktober★★★★☆
november★★★★☆
december★★★★☆

What og pack, what og skip

Pack for the next 7 days
  • Layers - the daily swing is 15°C, so mornings feel nothing like afternoons
  • A packable rain shell - 3 of the next 7 days carry a real chance of rain
Worth avoiding
  • If your dates are flexible, avoid marts, juni and december - historically the least comfortable months here.

How Johannesburg compares med nearby places

Annual averages, and the difference against Johannesburg.

PlaceDistanceAvg tempvs hereAnnual rain
Botswana276 km21°C+5°C warmer477 mm
Kruger National Park431 km24°C+7°C warmer761 mm
Mozambique453 km23°C+7°C warmer961 mm

Se prognosen for Johannesburg efter tidsinterval

Johannesburg weather - more answers

Explore Johannesburg

Every topic we hold for this place, and the same topic for the places around it.

Vejr for related places

Frequently asked questions

Where is Johannesburg?

Johannesburg is a city in Sydafrika. Its coordinates are -26.2041, 28.0473. It lies in Afrika.

What is the weather like in Johannesburg lige nu?

It is currently 9°C (49°F) med overskyet. Luftfugtighed is 89% and wind is 11 km/h.

When is the best time og visit Johannesburg?

januar, februar, maj, juli, august, september, oktober and november offer the most comfortable conditions in Johannesburg, which has a Mediterranean climate. marts, juni and december are usually the hardest months for outdoor plans.

What time zone is Johannesburg in?

Johannesburg observes Africa/Johannesburg (UTC+02:00). The local time is 12:08 AM.

How many people live in Johannesburg?

Johannesburg has a population of approximately 5.8 million.

What is the nearest airport og Johannesburg?

The closest airports are O. R. Tambo International Airport (JNB), 21 km away.

What places are in Johannesburg?

Johannesburg covers 1 places in this atlas, including O. R. Tambo International Airport.

Related articles

Data sources and methodology

Place dataUSPOTUS Atlas dataset (cities-world) - coordinates, hierarchy and facts.
Prognose and observationsOpen-Meteo (ECMWF and national models).
Luftkvalitet and pollenCopernicus CAMS via Open-Meteo. US AQI scale.
Klima averagesERA5 reanalysis via the Open-Meteo archive, aggregated over 3 years.
MethodScores, comparisons and advice on this page are computed from the inputs above. Distances are straight-line. Nothing is estimated where data is missing - the block is simply not shown.

Last updated oktober 1, 2026 at 12:08 AM local time. Live blocks refresh every 15 minutes; climate averages monthly.

Davil Hofile
Written byWriter at USPOTUS

Davil Hofile is a writer at USPOTUS covering breaking news, NFL updates, viral stories, entertainment, pets, and lifestyle. He specializes in transforming complex news into clear, trustworthy, and engaging articles that help readers quickly understand what's happening across the United States. His reporting follows Google's E-E-A-T guidelines, emphasizing accuracy, credible sources, and practical value for readers.

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