Weather in Johannesburg

• All Year
• Summer
• Autumn
• Winter
• Spring

Yearly weather

Calculations are based on the last 8 years of historical weather data.

Temperatures

• Johannesburg enjoys comfortable temperatures for most of the year, with average monthly temperatures generally falling within the 18.0C to 26.0C comfort zone.

• June and July have the lowest minimum temperatures, dropping to 7.6C and 7.0C respectively, but still feature pleasant maximum values.

• The warmest months are January, February, March, October, November and December, with maximum temperatures reaching up to 27.8C.

• There are no months with discomfort temperatures.

Conditions

• In Johannesburg, the trend indicates that sunshine hours peak during the winter months, particularly from June to August, with over 10 hours of sun each day, whereas precipitation is at its lowest during this period, often below 1mm.

• Conversely, the summer months of January and December experience higher rainfall, with December recording the highest precipitation at 4.79mm, while sunshine hours drop to just 5.9 hours, highlighting a distinct wet and dry contrast in Johannesburg's climate.

Astronomy

• In Johannesburg, sunrise times vary significantly throughout the year, with the earliest at 05:11 in December and the latest at 06:53 in July, indicating a clear seasonal pattern in day length.

• Similarly, sunset times also fluctuate, with the latest occurring at 19:03 in January and the earliest at 17:24 in June, further emphasizing the contrasting lengths of the day across different months.

• The shortest day lasts 10 hours and 31 minutes in June, while the longest day stretches to 13 hours and 44 minutes in December, illustrating a pronounced seasonal variation in daylight in this region.