Johannesburg Weather in January

What's the weather like in Johannesburg (Gauteng) in January 2022?

The climate in Johannesburg during January can be summarized as warm and wet.

January is in the summer in Johannesburg and is typically the warmest month of the year. Daytime maximum temperatures average around a comfortable 26°C (80°F), whilst at night 15°C (59°F) is normal.

Johannesburg weather averages (imperial / metric)
Daytime temperature 26.4°C 79.5°F
Nightly temperature 15.2°C 59.4°F
Average temperature 20.8°C 69.4°F
Daily sunshine 8.8 hrs
Avg rainfall 135 mm 5.3 ins
Rainy days 14 days
Sea temperature 24.7°C 76.4°F
Humidity 66%
Windspeed 9kph 6 mph

On average January is the wettest month of the year in Johannesburg with around 135mm 5.3 inches of rain making it a wet time to visit. This rainfall is typically spread over 14 days, although this may vary considerably.

On the flip side this corresponds to an average of 8.8 hours of sunshine per day.

January temperatures in Johannesburg

Johannesburg average temperature in January

January rainfall

Johannesburg average rain in January

January hourly sunshine

Johannesburg average rain in January

The data used in these monthly averages covers a period of over 100 years right up until last year. As such they are a valid prediction of what to expect for the weather in Johannesburg in January 2022.

Other monthly averages

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Johannesburg weather stats

Johannesburg weather statistics
Hottest month: January 26.1°C 79°F
Driest month: July 4mm 0.2ins
Sunniest month: July 10hrs
Coldest month: June 16.4°C 61.5°F
Wettest month: January 135mm 5.3ins
Map showing location of Johannesburg (-26.20227, 28.04363)

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