Johannesburg vs Heilbron Climate
93%matchJohannesburg vs Heilbron: a 93% climate match. Compared with Johannesburg, Heilbron has 6°F (3°C) colder winter nights and 4°F (2°C) hotter summer days.
Johannesburg gets 28 in (721 mm) of rain a year and Heilbron 23 in (592 mm). January is the warmest month in both, with highs of 78°F (26°C) in Johannesburg and 83°F (28°C) in Heilbron.
Climate fingerprints: ring color = average temperature, thickness = rain. January at the top.
Month by month
Highs and lows (°F)
JohannesburgHeilbronsolid = high, dashed = low
Rain (in per month)
JohannesburgHeilbron
Monthly averages
| Month | High | Low | Rain | |||
|---|---|---|---|---|---|---|
| Johannesburg | Heilbron | Johannesburg | Heilbron | Johannesburg | Heilbron | |
| Jan | 78°F(26°C) | 83°F(28°C) | 58°F(15°C) | 58°F(15°C) | 5.1 in(130 mm) | 3.9 in(100 mm) |
| Feb | 78°F(26°C) | 82°F(28°C) | 57°F(14°C) | 57°F(14°C) | 3.9 in(100 mm) | 2.8 in(72 mm) |
| Mar | 76°F(24°C) | 80°F(26°C) | 54°F(12°C) | 54°F(12°C) | 3.8 in(96 mm) | 2.7 in(69 mm) |
| Apr | 72°F(22°C) | 75°F(24°C) | 48°F(9°C) | 46°F(8°C) | 2.0 in(50 mm) | 1.6 in(40 mm) |
| May | 68°F(20°C) | 71°F(21°C) | 41°F(5°C) | 37°F(3°C) | 0.6 in(14 mm) | 0.6 in(15 mm) |
| Jun | 64°F(18°C) | 66°F(19°C) | 36°F(2°C) | 31°F(-1°C) | 0.3 in(8 mm) | 0.3 in(8 mm) |
| Jul | 63°F(17°C) | 64°F(18°C) | 36°F(2°C) | 29°F(-2°C) | 0.1 in(3 mm) | 0.2 in(6 mm) |
| Aug | 68°F(20°C) | 71°F(22°C) | 40°F(5°C) | 35°F(2°C) | 0.2 in(6 mm) | 0.4 in(10 mm) |
| Sep | 74°F(24°C) | 77°F(25°C) | 47°F(9°C) | 43°F(6°C) | 0.7 in(19 mm) | 0.6 in(16 mm) |
| Oct | 76°F(25°C) | 81°F(27°C) | 52°F(11°C) | 52°F(11°C) | 2.6 in(65 mm) | 2.7 in(69 mm) |
| Nov | 76°F(25°C) | 81°F(27°C) | 55°F(13°C) | 54°F(12°C) | 4.0 in(101 mm) | 3.1 in(80 mm) |
| Dec | 78°F(25°C) | 82°F(28°C) | 57°F(14°C) | 57°F(14°C) | 5.1 in(129 mm) | 4.2 in(107 mm) |
1991–2020 averages, by calendar month.