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WorldRepublic of South Africa → Johannesburg

Weather in Johannesburg — today

Tomorrow Day after tomorrow 3 days Week 14 days Month forecast Weather archive
Now in Johannesburg
🌙
+11°
Clear
Feels like +8° · humidity 54%
Sat 25.7: +20° / +5°
🕐 00:25
Wind
5 km/h
UV index
0
Air (AQI)
100 · Very poor
Precipitation
0%
Humidity
54%
Pressure
1028 hPa
Sunrise / sunset
06:50 / 17:38

👕 What to wear today

Comfortable — a T-shirt, a light sweater for the evening.
Feels colder by 3°
Weather for an activity:

Detailed weather information for Johannesburg

Saturday, 25 July, in Johannesburg (Republic of South Africa): clear and sunny, moderately warm. During the day the air will warm up to +20°, at night around +5°. Wind up to 9 km/h. No precipitation expected, you won't need an umbrella. A T-shirt is comfortable during the day, but take a light sweater or windbreaker for the evening. The sun will rise at 06:50 and set at 17:38 — daylight lasts 11 hours.

Hourly weather in Johannesburg

🌅 sunrise 06:50 🌇 sunset 17:38🌙🌙🌙☀️☀️☀️🌙🌙+11°+7°+6°+11°+17°+19°+16°+13°00:0003:0006:0009:0012:0015:0018:0021:00
💧 No precipitation expected on this day. Shaded areas of the chart are the dark hours (before sunrise 🌅 and after sunset 🌇).

Weather in Johannesburg for 14 days

Tap a day to expand it by time of day and open the full forecast. The bar shows the range from the night low (left) to the day high (right).
Sat 25.7
☀️
+5° +20°
Morning
☀️
+11°
Day
☀️
+20°
Evening
🌇
+16°
Night
🌙
+5°
Clear · precipitation 0% · wind up to 9 km/h.
🙂 Mild, pleasant weather. A light sweater will come in handy in the evening.
Today 26.7
☀️
+6° +19°
Morning
☀️
+8°
Day
☀️
+19°
Evening
🌇
+15°
Night
🌙
+6°
Clear · precipitation 0% · wind up to 11 km/h.
🙂 Mild, pleasant weather. A light sweater will come in handy in the evening.
Tomorrow 27.7
☀️
+8° +19°
Morning
☀️
+10°
Day
☀️
+19°
Evening
🌇
+15°
Night
🌙
+8°
Clear · precipitation 0% · wind up to 14 km/h.
🙂 Mild, pleasant weather. A light sweater will come in handy in the evening.
Tue 28.7
☁️
+6° +18°
Morning
☁️
+10°
Day
☁️
+18°
Evening
🌇
+15°
Night
🌙
+6°
Overcast · precipitation 0% · wind up to 16 km/h.
🙂 Mild, pleasant weather. A light sweater will come in handy in the evening.
Wed 29.7
☁️
💧 46%
+7° +16°
Morning
☁️
+10°
Day
☁️
+16°
Evening
🌇
+14°
Night
🌙
+7°
Overcast · precipitation 46% · wind up to 13 km/h.
🙂 Mild, pleasant weather. A light sweater will come in handy in the evening.
Thu 30.7
🌤️
💧 30%
+9° +19°
Morning
🌤️
+13°
Day
🌤️
+19°
Evening
🌇
+17°
Night
🌙
+9°
Mostly clear · precipitation 30% · wind up to 18 km/h.
🙂 Mild, pleasant weather. A light sweater will come in handy in the evening.
Fri 31.7
☀️
💧 2%
+8° +19°
Morning
☀️
+12°
Day
☀️
+19°
Evening
🌇
+16°
Night
🌙
+8°
Clear · precipitation 2% · wind up to 11 km/h.
🙂 Mild, pleasant weather. A light sweater will come in handy in the evening.
Sat 1.8
☀️
💧 1%
+7° +18°
Morning
☀️
+11°
Day
☀️
+18°
Evening
🌇
+15°
Night
🌙
+7°
Clear · precipitation 1% · wind up to 14 km/h.
🙂 Mild, pleasant weather. A light sweater will come in handy in the evening.
Sun 2.8
☀️
💧 2%
+6° +17°
Morning
☀️
+10°
Day
☀️
+17°
Evening
🌇
+14°
Night
🌙
+6°
Clear · precipitation 2% · wind up to 8 km/h.
🙂 Mild, pleasant weather. A light sweater will come in handy in the evening.
Mon 3.8
☀️
💧 2%
+7° +18°
Morning
☀️
+11°
Day
☀️
+18°
Evening
🌇
+15°
Night
🌙
+7°
Clear · precipitation 2% · wind up to 4 km/h.
🙂 Mild, pleasant weather. A light sweater will come in handy in the evening.
Tue 4.8
☀️
💧 2%
+9° +18°
Morning
☀️
+12°
Day
☀️
+18°
Evening
🌇
+16°
Night
🌙
+9°
Clear · precipitation 2% · wind up to 8 km/h.
🙂 Mild, pleasant weather. A light sweater will come in handy in the evening.
Wed 5.8
☀️
💧 2%
+9° +18°
Morning
☀️
+12°
Day
☀️
+18°
Evening
🌇
+16°
Night
🌙
+9°
Clear · precipitation 2% · wind up to 9 km/h.
🙂 Mild, pleasant weather. A light sweater will come in handy in the evening.
Thu 6.8
☀️
💧 1%
+8° +19°
Morning
☀️
+12°
Day
☀️
+19°
Evening
🌇
+16°
Night
🌙
+8°
Clear · precipitation 1% · wind up to 9 km/h.
🙂 Mild, pleasant weather. A light sweater will come in handy in the evening.
Fri 7.8
☀️
+8° +18°
Morning
☀️
+12°
Day
☀️
+18°
Evening
🌇
+16°
Night
🌙
+8°
Clear · precipitation 0% · wind up to 8 km/h.
🙂 Mild, pleasant weather. A light sweater will come in handy in the evening.

🗺️ Precipitation radar

Precipitation radar (RainViewer) over a clean base map — updates every 5–10 minutes. Colours show nearby precipitation; if there is none, the map is simply clear — that is normal. Zoom with + / −.
Rain intensity:lightmoderateheavy

🎯 What to do in this weather — indices of the day

Comfort score from 0 (bad) to 100 (excellent), calculated from the day's weather. For “rain” and “UV” a percentage/risk level is shown.
🏃 Running
90 / 100
comfort for running · Excellent
🧴 UV
0%
moderate · low
☂️ Rain
0%
unlikely · low
✨ Stars
88 / 100
evening visibility · Excellent
🧺 Laundry drying
58 / 100
will dry outside · Average
🚗 Car wash
95 / 100
no rain expected · Excellent

🌫️ Air quality

100
Very poor air
European AQI
PM2.5: 145PM10: 147O₃: 2NO₂: 73
People with allergies or asthma should reduce time outdoors.

🌅 Sun, moon and sea

Sunrise
06:50
Sunset
17:38
Golden hour
17:05
Daylight
11 h (+1 min vs yesterday)

Johannesburg climate by month

Long-term averages. Hover over a bar for details. The forecast for a specific month is a combination of the climate normal and the model forecast for the coming weeks.
+25°
+14°
Jan
+24°
+14°
Feb
+23°
+13°
Mar
+21°
+10°
Apr
+19°
+6°
May
+16°
+3°
Jun
+16°
+2°
Jul
+20°
+5°
Aug
+24°
+9°
Sep
+25°
+11°
Oct
+24°
+12°
Nov
+24°
+14°
Dec
swipe sideways →
Bar color shows temperature:frostcoolcomfortablewarmhot— best months to visit
Month Day Night Precipitation What to pack and what makes the month notable (events, nuances)
January +25° +14° 129 mm One of the best times to visit: +25° by day, fresh nights. It's a rainy month (129 mm) — an umbrella is a must. 😊 light summer clothing.
February +24° +14° 110 mm Ideal weather: +24° daytime — neither hot nor cold. Frequent rain (110 mm over the month) — keep indoor backup plans. 😊 light summer clothing.
March +23° +13° 87 mm The most pleasant season: +23° by day, comfortable all day long. One of the wettest months (87 mm): downpours can derail plans. 🙂 a sweater for the evening.
April +21° +10° 45 mm One of the best times to visit: +21° by day, fresh nights. 🙂 a sweater for the evening.
May +19° +6° 17 mm Ideal weather: +19° daytime — neither hot nor cold. 🙂 a sweater for the evening.
June +16° +3° 8 mm Cool weather: +16° by day, noticeably colder in the evening. 🙂 a sweater for the evening. This is the coldest month of the year.
July +16° +2° 3 mm Cool: around +16° by day, you'll need a warm layer. 🙂 a sweater for the evening. One of the driest months — rain is very unlikely.
August +20° +5° 10 mm Ideal weather: +20° daytime — neither hot nor cold. 🙂 a sweater for the evening. Weather-wise, one of the three best months to visit.
September +24° +9° 22 mm The most pleasant season: +24° by day, comfortable all day long. 🙂 a sweater for the evening. Weather-wise, one of the three best months to visit.
October +25° +11° 73 mm One of the best times to visit: +25° by day, fresh nights. It's a rainy month (73 mm) — an umbrella is a must. 😊 light summer clothing. This is the hottest month of the year in Johannesburg.
November +24° +12° 97 mm Ideal weather: +24° daytime — neither hot nor cold. Frequent rain (97 mm over the month) — keep indoor backup plans. 😊 light summer clothing.
December +24° +14° 132 mm The most pleasant season: +24° by day, comfortable all day long. One of the wettest months (132 mm): downpours can derail plans. 😊 light summer clothing. Statistically the wettest month of the year.

When to visit Johannesburg

✅ Recommended time to visit
🌟 Best time: August, September, October
Daytime air+20…+25°
Precipitationoften
Why: comfortable +20…+25° by day, little rain.
⚠️ Doable, with caveats
🌤️ Shoulder season: January, February, March, April, May, November
Daytime air+19…+25°
Precipitationoften
Why: noticeable rain risk (17–129 mm/month) — pack an umbrella and backup plans.
🔴 Not the best time
❄️ Cold season: June, July, December
Daytime air+16…+24°
Precipitationoften
Why: cold and dark (+16…+24° by day, 11 h of daylight) — only if frost and short days don’t put you off.
Bottom line: the best time to visit Johannesburg is August – October, and the most comfortable months are August, September, October. The toughest months to visit are June, July, December: cool and damp.

🌡️ Today vs the climate normal

Today's high
+20°
Normal for July
+16°
Deviation
4° warmer than normal
A year ago on this day
+17°
Record for this date
+23° (2005)
The normal, “a year ago” and the record come from the weather archive since 1940 (Open-Meteo / ERA5).

Weather archive for Johannesburg

📅 See what the weather was like on any day since 1940. For example: “what was the weather on March 2, 2021”.

Show the archive for the selected day →

Weather in cities near Johannesburg

Frequently asked questions about the weather in Johannesburg

What is the weather in Johannesburg right now?
Clear, +11°, feels like +8°.
Will it rain in Johannesburg today?
No: 0% chance, 0 mm.
When is the best time to visit Johannesburg?
Best time to visit — August – October.
What time are sunrise and sunset in Johannesburg?
Sunrise 06:50, sunset 17:38.
Does it snow in Johannesburg in winter?
No, it practically never snows.
What is the climate in Johannesburg by month?
Summers up to +25° in October, winters around +3° in June; the wettest month is December.
Is it cold in Johannesburg in winter?
🙂 Mild, pleasant weather. A light sweater will come in handy in the evening.
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Data: Open-Meteo (CC-BY 4.0), met.no, NWS · radar RainViewer · archive since 1940 · © wweather1 · TrafficAdv LLC