City in Sydafrika

Johannesburg Väder Prognos

Johannesburg weather: 20°C, klart. Varje timme forecast, 14-day outlook, UV, air quality and the best time och visit.

☀️ 20°C now🕔 10:43 AM local📅 Best: januari, maj, augusti, september, oktober and november👥 5.8 million

Sammanfattning

Johannesburg is a city in Sydafrika. Johannesburg is known for Apartheid Museum and safari gateway. Befolkningen är cirka 5.8 million.

Just nu är det 20°C (67°F) in Johannesburg med klart. Det känns som 17°C. I dag varierar temperaturen mellan 11°C och 24°C. Risken för nederbörd är 0%. Sightseeing conditions score 9.8/10 - utmärkt — åk nu.

Bästa tiden att besöka Johannesburg is januari, maj, augusti, september, oktober and november. Klimatet är Mediterranean. mars, juni and december tend och be the least comfortable months. februari is the warmest month med average highs near 26°C, while juli is the coldest med lows near 5°C.

The closest major airport is O. R. Tambo International Airport (JNB), about 21 km away.

Enkelt förklarat. Today is slightly warmer than average for augusti. The forecast high of 24°C is 2.3°C above the 21°C typical for this month. The best window och be outside is roughly 11 AM och 2 PM, when temperature, rain chance and wind line up best. stargazing is the strongest bet in Johannesburg today at 10/10. No weather-related travel disruption is expected today. Roads and airports should run normally.

Compiled from this page's own data: atlas facts plus live Open-Meteo readings.

Active alerts for Johannesburg

⚠️tor, sep 3: damaging gusts och 91 km/h.

Derived from the forecast. No official alert feed is wired for this country yet.

Vädret i Johannesburg just nu

☀️
20°C
Klart · feels like 17°C
Luftfuktighet24%
Vind7 km/h W
Vindbyar22 km/h
UV-index5.4 · Måttlig
Molntäcke0%
Lufttryck839 hPa
SiktExcellent · 40 km
Luftkvalitet142 · Unhealthy for sensitive groups
Soluppgång6:27 AM
Solnedgång5:52 PM
Måne🌔 Waxing gibbous · 90%

Wear sunglasses and use SPF 30+ if you are outside for long.

Open-Meteo Updated 10:43 AM, aug 25 local time.

⚠️tor, sep 3: damaging gusts och 91 km/h.

Se prognosen för Johannesburg per tidsintervall

Nästa 24 timmar

Temperatur, nederbörd och vind timme för timme.

11 AM☀️21°0%7 km/h
12 PM☀️22°0%8 km/h
1 PM☀️23°0%9 km/h
2 PM☀️24°0%10 km/h
3 PM☀️24°0%10 km/h
4 PM☀️23°0%12 km/h
5 PM☀️22°0%13 km/h
6 PM☀️20°0%10 km/h
7 PM🌙18°0%8 km/h
8 PM🌙17°0%9 km/h
9 PM🌙16°0%9 km/h
10 PM🌙15°0%8 km/h
11 PM🌙15°0%6 km/h
12 AM🌙14°0%6 km/h
1 AM🌙13°0%5 km/h
2 AM🌙13°0%4 km/h
3 AM🌙12°0%4 km/h
4 AM🌙12°0%4 km/h
5 AM🌙11°0%3 km/h
6 AM🌙10°0%6 km/h
7 AM☀️11°0%4 km/h
8 AM☀️14°0%6 km/h
9 AM☀️18°0%4 km/h
10 AM☀️20°0%8 km/h

16-day forecast for Johannesburg

Max / Min; Nederb.; UV

DagFörhållandenMax / MinNederb.VindUV
tis, aug 25☀️ Klart24° / 11°0%13 km/h7
ons, aug 26☁️ Mulet24° / 10°0%14 km/h7
tor, aug 27🌦️ Light drizzle20° / 10°4% · 0 mm13 km/h7
fre, aug 28☁️ Mulet21° / 9°0%12 km/h7
lör, aug 29🌤️ Mest klart20° / 9°0%11 km/h7
sön, aug 30☁️ Mulet20° / 9°3%15 km/h7
mån, aug 31🌦️ Light drizzle22° / 13°22% · 1 mm13 km/h7
tis, sep 1🌦️ Light drizzle23° / 12°17% · 2 mm16 km/h7
ons, sep 2🌦️ Light drizzle21° / 11°19% · 0 mm14 km/h7
tor, sep 3🌦️ Light drizzle21° / 6°29% · 1 mm31 km/h7
fre, sep 4☀️ Klart13° / 2°25%23 km/h7
lör, sep 5☀️ Klart16° / 4°9%10 km/h8
sön, sep 6☀️ Klart19° / 7°8%9 km/h8
mån, sep 7☀️ Klart20° / 8°12%10 km/h8
tis, sep 8☀️ Klart23° / 12°6%6 km/h8
ons, sep 9🌦️ Light drizzle26° / 15°6% · 0 mm16 km/h8

Klimat in Johannesburg month by month

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

janfebmaraprmajjunjulaugsepoktnovdecLine: average high · Bars: rainfall
MånadAvg highAvg lowRegnfallRating
januari26°15°77 mm★★★★
februari26°16°92 mm★★★★
mars24°14°94 mm★★★★
april21°11°82 mm★★★★
maj20°15 mm★★★★
juni17°9 mm★★★★
juli18°3 mm★★★★
augusti21°7 mm★★★★
september25°11°21 mm★★★★★
oktober25°12°44 mm★★★★
november25°14°78 mm★★★★
december26°15°113 mm★★★★

Klimat type: Mediterranean. Källa: Open-Meteo archive (ERA5).

Väder map for Johannesburg

Animated model layers. Pick a layer och load it.

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

Luftkvalitet and pollen in Johannesburg

142
Unhealthy for sensitive groups
Children, older adults and people med asthma should reduce outdoor exertion.
PM2.527.5 µg/m³
PM1027.7 µg/m³
Ozone146 µg/m³
NO₂46 µg/m³
UV-index5.4 · Måttlig
Airborne hazeKlart air

Luftkvalitet: Open-Meteo (CAMS). US AQI scale.

sön, twilight and moon

Soluppgång6:27 AM
Solnedgång5:52 PM
Daglight11h 25m
Solar noon12:09 PM
Golden hour (am)6:27 AM - 7:27 AM
Golden hour (pm)4:52 PM - 5:52 PM
Blue hour (am)5:57 AM - 6:27 AM
Blue hour (pm)5:52 PM - 6:22 PM
Måne phase🌔 Waxing gibbous · 90%
Månerise3:25 PM
Måneset4:45 AM

Golden and blue hour are the standard photographic approximation around sunrise and sunset.

Bästa tiden att besöka Johannesburg

Go in januari, maj, augusti, september, oktober and november. These months score highest on comfortable temperatures, low rainfall and useful daylight.

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

januari★★★★
februari★★★★
mars★★★★
april★★★★
maj★★★★
juni★★★★
juli★★★★
augusti★★★★
september★★★★★
oktober★★★★
november★★★★
december★★★★

Väder by airport in Johannesburg

1 airports mapped in this atlas

Explore Johannesburg

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

Väder 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 just nu?

It is currently 20°C (67°F) med klart. Luftfuktighet is 24% and wind is 7 km/h.

When is the best time och visit Johannesburg?

januari, maj, augusti, september, oktober and november offer the most comfortable conditions in Johannesburg, which has a Mediterranean climate. mars, 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 10:43 AM.

How many people live in Johannesburg?

Johannesburg has a population of approximately 5.8 million.

What is the nearest airport och 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.
Prognos and observationsOpen-Meteo (ECMWF and national models).
Luftkvalitet and pollenCopernicus CAMS via Open-Meteo. US AQI scale.
Klimat 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 augusti 25, 2026 at 10:43 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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