New York, NY 6° Los Angeles, CA 17° Chicago, IL 3° Houston, TX 15° Miami, FL 22° Phoenix, AZ 18° Seattle, WA 12° Denver, CO 7° Toronto, ON 1° Vancouver, BC 12°
WeatherLive › World weather › Johannesburg › January

Johannesburg, South Africa Weather

Current WeatherJohannesburg · Local time 1:36 PM +02:00
33° | 19°
31°C
Feels like 28°
Sunny
WindNW 6 mph · Gusts 19 mph
Precip1% · –
Humidity18% · Dew point 4°
UV index14 Extreme
Air Quality111 Unhealthy for Sensitive Groups
Pressure29.94 inHg
Visibility6 mi
Sunrise / Sunset5:11 AM · 6:32 PM · 13h 21m

Weather map — Johannesburg

Now
32°
1%
6 mph
14:00
33°
1%
8 mph
15:00
33°
1%
8 mph
16:00
32°
1%
8 mph
17:00
32°
2%
7 mph
18:00
31°
3%
6 mph
19:00
30°
3%
6 mph
20:00
28°
2%
4 mph
21:00
27°
2%
4 mph
22:00
27°
3%
3 mph
23:00
26°
2%
3 mph
00:00
25°
2%
2 mph
01:00
24°
1%
3 mph
02:00
23°
1%
2 mph
03:00
21°
1%
4 mph
04:00
20°
2%
6 mph
05:00
19°
3%
6 mph
06:00
20°
2%
6 mph
07:00
22°
1%
8 mph
08:00
23°
2%
10 mph
09:00
25°
17%
9 mph
10:00
27°
20%
9 mph
11:00
29°
36%
9 mph
12:00
29°
36%
9 mph

Today · Fri 11/13

High 33°
1% / –

Sunny. Winds N at 10 mph.

Tonight · Fri 11/13

Low 19°
2% / –

Partly cloudy. Winds SW at 4 mph.

Tomorrow · Sat 11/14

29° | 19°
57% / 0.12 in

Sunny. Winds NW at 11 mph.

7-day trend

Johannesburg · temperature + precipitation

10-day forecast — Johannesburg

Refreshed hourly

About Johannesburg

CountrySouth Africa
RegionGauteng
Population9,418,183
ContinentAfrica
Time zoneAfrica/Johannesburg (+02:00)
Latitude-26.2040°
Longitude28.0470°
Air QualityUnhealthy for Sensitive Groups (AQI 111)

Details & indices

Wind
6 mph NW
Gusts 19 mph
Humidity
18%
Dew point 4°
Pressure
29.94 inHg
Rising
UV index
14 — Extreme
High today
Air Quality
Unhealthy for Sensitive Groups
AQI 111 · US EPA
Visibility
6 mi
Clear view

Sun & moon

Sunrise5:11 AM
Sunset6:32 PM
Length of day13h 21m
Moonrise8:22 AM
Moonset10:42 PM
Moon phase🌔 Waxing Crescent
Local time1:36 PM (+02:00)

Johannesburg climate in January

8-year averages · when to visit

Best months: January–December · January: Good

Johannesburg
Photo: Wikimedia
December January February
Average temperature → 20°C 20°C ▼ 19°C
Typical high ▲ 25°C 26°C ▼ 25°C
Typical low → 15°C 15°C → 15°C
Precipitation ▼ 126 mm 101 mm ▲ 112 mm
Wet days ▼ 17 d 14 d ▲ 15 d
Humidity ▲ 66% 68% ▲ 69%
Sunshine per day ▲ 11.1 h 11.5 h ▼ 10.6 h
Cloud cover ▼ 20% 15% ▲ 18%
Midday UV → 12 12 ▼ 11
Daylight 13:45 13:34 12:59
Our take Good Good Good
January temperatures day by day daily mean + smoothed trend · °C
17°19°21°161116212631
January precipitation day by day mm
04.59161116212631
January UV day by day clear-sky midday value
0612161116212631

Figures are averaged over 8 years of ERA5 reanalysis; sea temps come from ocean reanalysis, and UV is derived from solar elevation.

More destinations in Africa
🇿🇦
South Africa
Africa
🇲🇦
Morocco
Africa
🇪🇬
Egypt
Africa
🌍
Marrakech
Morocco
🌍
Cape Town
South Africa
🇰🇪
Kenya
Africa
NBM + global weather models
Updated: 1:36 PM
Johannesburg, South Africa · 26.20°S, 28.05°E · Africa/Johannesburg · Forecast computed for these exact coordinates
Powered by NWS/NOAA guidance, multi-model forecasts and official environmental feeds · NOAA/NWS · EPA AirNow · MET Norway · global models
Updated: 1:36 PM