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Climate · South Africa

Johannesburg

Warm and damp from September to March; mild and dry from June to July.

Typical weather, averaged over 30 years26.2°S1,750 m above the sea
  1. Jan79°26°58°14°Rain on about four days a week.
  2. Feb79°26°58°14°Rain on about four days a week.
  3. Mar77°25°55°13°Rain on about three days a week.
  4. Apr72°22°50°10°Rain on about two days a week.
  5. May69°21°43°6°Rain on about one day a week.
  6. Jun64°18°38°3°Rain on fewer than one day a week.
  7. Jul64°18°36°2°Rain on fewer than one day a week.
  8. Aug70°21°41°5°Rain on fewer than one day a week.
  9. Sep77°25°48°9°Rain on about one day a week.
  10. Oct80°27°52°11°Rain on about two days a week.
  11. Nov79°26°54°12°Rain on about three days a week.
  12. Dec79°26°57°14°Rain on about four days a week.
Each month: its typical high and low, and dots for wet days a week. Tap a month to open it.The best months

The warm season runs from September to March, with highs near 79°F and nights near 55°F. From June to July, highs are nearer 64°F. The rain comes from November to March, on about four days a week. May to September is the driest stretch, with rain on fewer than one day a week. Daylight runs from about 10½ hours in June to 14 hours in December.The warm season runs from September to March, with highs near 26°C and nights near 13°C. From June to July, highs are nearer 18°C. The rain comes from November to March, on about four days a week. May to September is the driest stretch, with rain on fewer than one day a week. Daylight runs from about 10½ hours in June to 14 hours in December.

Where Johannesburg sits

Africa/Johannesburg
this place
typical high in Januarytypical high in Februarytypical high in Marchtypical high in Apriltypical high in Maytypical high in Junetypical high in Julytypical high in Augusttypical high in Septembertypical high in Octobertypical high in Novembertypical high in December 40°F4°C95°F35°C
Latitude
26.2°Ssouthern hemisphere
Above the sea
1,750 mhigh country
Sunrise, mid-JanuarySunrise, mid-FebruarySunrise, mid-MarchSunrise, mid-AprilSunrise, mid-MaySunrise, mid-JuneSunrise, mid-JulySunrise, mid-AugustSunrise, mid-SeptemberSunrise, mid-OctoberSunrise, mid-NovemberSunrise, mid-December
5:28 AM5:52 AM6:09 AM6:23 AM6:38 AM6:53 AM6:55 AM6:38 AM6:06 AM5:33 AM5:11 AM5:10 AMsets 7:05 PMsets 6:52 PMsets 6:26 PMsets 5:53 PMsets 5:30 PMsets 5:23 PMsets 5:33 PMsets 5:48 PMsets 6:00 PMsets 6:13 PMsets 6:34 PMsets 6:56 PM
Nearest of ours
Pretoria53 km north

The land around Johannesburg, shaded by its typical high in January, the planning map's own layer.The land around Johannesburg, shaded by its typical high in February, the planning map's own layer.The land around Johannesburg, shaded by its typical high in March, the planning map's own layer.The land around Johannesburg, shaded by its typical high in April, the planning map's own layer.The land around Johannesburg, shaded by its typical high in May, the planning map's own layer.The land around Johannesburg, shaded by its typical high in June, the planning map's own layer.The land around Johannesburg, shaded by its typical high in July, the planning map's own layer.The land around Johannesburg, shaded by its typical high in August, the planning map's own layer.The land around Johannesburg, shaded by its typical high in September, the planning map's own layer.The land around Johannesburg, shaded by its typical high in October, the planning map's own layer.The land around Johannesburg, shaded by its typical high in November, the planning map's own layer.The land around Johannesburg, shaded by its typical high in December, the planning map's own layer. Hover the map for the figure at that spot; tap it on a phone. Clock times are local, for the 15th.

Through the year

week by week

Temperature

Highs from 64°F in June and July to 80°F in October.Highs from 18°C in June and July to 27°C in October.

Chance of a wet day

Wettest in December (62% of days), driest in July (3%).

Cloud cover

Clearest in July (11% cover), cloudiest in December (44%).

Daylight

From 10h 31m in June to 13h 45m in December.

Week by week, lightly smoothed. Shading marks the seasons; the olive line, the best months. Hover or tap a week for its figures.

Month by month

°F°C
Johannesburg, month by month: the typical high and low, wet days a week, cloud cover and daylight.
MonthTypical low to highWet days a weekCloudDaylight
JanuaryWarm season
58°14°79°26°
4 days41%13h 35m
FebruaryWarm season
58°14°79°26°
4 days40%13h 01m
MarchWarm season
55°13°77°25°
3 days33%12h 17m
AprilAt its best
50°10°72°22°
2 days26%11h 30m
May
43°6°69°21°
1 day18%10h 51m
JuneCool season
38°3°64°18°
no days12%10h 31m
JulyCool season
36°2°64°18°
no days11%10h 40m
AugustAt its best
41°5°70°21°
no days13%11h 14m
SeptemberWarm seasonAt its best
48°9°77°25°
1 day17%12h 00m
OctoberWarm seasonAt its best
52°11°80°27°
2 days27%12h 47m
NovemberWarm season
54°12°79°26°
3 days41%13h 26m
DecemberWarm season
57°14°79°26°
4 days44%13h 45m

When is the best time to visit Johannesburg?

The best months are April, or August to October: highs near 75°F, nights near 47°F, and rain on about one day a week.The best months are April, or August to October: highs near 24°C, nights near 8°C, and rain on about one day a week.

How we judge it: every month is scored on how close its typical high comes to the range from 70°F to 80°F, how mild its nights are, and how rarely it rains. The best months are the run of months that scores best.How we judge it: every month is scored on how close its typical high comes to the range from 21°C to 27°C, how mild its nights are, and how rarely it rains. The best months are the run of months that scores best.

Questions

What is the warmest month in Johannesburg?

October, with highs near 80°F and lows near 52°F. The coolest are June and July, with highs near 64°F.October, with highs near 27°C and lows near 11°C. The coolest are June and July, with highs near 18°C.

When does it rain most in Johannesburg?

December, with rain on about four days a week. July is the driest, with rain on fewer than one day a week.

How long are the days in Johannesburg?

From about 10½ hours in June to 14 hours in December.

When are the skies clearest in Johannesburg?

July, when cloud covers about 11% of the sky on average. December is the cloudiest, at about 44%.

Places with a year like Johannesburg's

by their highs, lows and wet days

Their highs, lows, wet days and cloud run closest to Johannesburg's through the year, one place a country. “Six months apart”: their winter is Johannesburg's summer.

Elsewhere in South Africa

All of South Africa

Where to stay

1 in our collection
Open the planning map

Typical weather, averaged over 30 years (1995–2024), from the 11 km grid square nearest Johannesburg. Temperatures are adjusted against 66 weather stations: daytime highs read about 3.1°F cold in the source data and are raised to match, and both highs and lows are adjusted for the town's height (1,750 m) against the climate model's (1,673 m).Temperatures are adjusted against 66 weather stations: daytime highs read about 1.7°C cold in the source data and are raised to match, and both highs and lows are adjusted for the town's height (1,750 m) against the climate model's (1,673 m). Daylight is calculated from latitude. Charts are lightly smoothed week to week; the figures in the table are not. Source: Copernicus ERA5-Land reanalysis; cloud cover from NASA's MERRA-2 reanalysis, on a coarser grid of about 50 km. Contains modified Copernicus Climate Change Service information 2026; neither the European Commission nor ECMWF is responsible for any use of it. These are averages, not a forecast.

Daylight is calculated from latitude. Charts are lightly smoothed week to week; the figures in the table are not.

Source: Copernicus ERA5-Land reanalysis; cloud cover from NASA's MERRA-2 reanalysis, on a coarser grid of about 50 km. Contains modified Copernicus Climate Change Service information 2026; neither the European Commission nor ECMWF is responsible for any use of it. These are averages, not a forecast.