The best months

  • SunSeptember to October
  • CityApril to September

…

The twelve months at a glance

Month-by-month verdict for Johannesburg
JanFebMarAprMayJunJulAugSepOctNovDec
SunGood, 70/100Good, 73/100Good, 72/100Good, 79/100Good, 68/100Fair, 42/100Fair, 42/100Good, 73/100Ideal, 98/100Ideal, 83/100Good, 73/100Good, 60/100, Heavy rain
CityGood, 65/100Good, 65/100Good, 68/100Ideal, 85/100Ideal, 100/100Ideal, 100/100Ideal, 100/100Ideal, 100/100Ideal, 97/100Good, 77/100Good, 65/100Fair, 55/100, Heavy rain
  • Ideal
  • Good
  • Fair
  • Best avoided
  • Risk flagged

Temperatures and rain

Monthly temperatures and rain in JohannesburgThe values are repeated in the table under the chart.0°C5°C10°C15°C20°C25°C30°CHighLow145 mmRainJFMAMJJASOND
See the month-by-month values
MonthHighLowRain
January26°C16°C138 mm
February26°C15°C116 mm
March24°C14°C94 mm
April22°C10°C49 mm
May20°C7°C18 mm
June18°C3°C9 mm
July18°C3°C4 mm
August21°C6°C11 mm
September25°C10°C24 mm
October25°C12°C79 mm
November25°C14°C105 mm
December26°C15°C145 mm

Estimated flight time

  • From YUL : about 15 h 55 min
  • From YYZ : about 16 h 25 min
  • From YVR : about 20 h 05 min

Estimate of a nonstop flight computed from the distance: not a schedule. Connections lengthen the trip.

Getting to Johannesburg with points

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Where this data comes from

Temperatures, sunshine and rain: monthly normals we computed over 1991-2020. These are estimates from a climate reanalysis, not station readings.

  • ERA5 reanalysis-era5-single-levels-timeseries (C3S, CC-BY)

Contains modified Copernicus Climate Change Service information (ERA5, 2026, CC BY 4.0 licence). Neither the European Commission nor ECMWF is responsible for any use that may be made of the Copernicus information or data it contains. Sea temperature: NOAA OISST v2.1 (Huang et al., 2021, J. Climate 34, doi:10.1175/JCLI-D-20-0166.1).