Heilbron Climate by Month
Heilbron, Free State, South Africa
Warm summers and cold winters, with most rain from October to February.
Heilbron has warm summers and cold winters, with most rain from October to February. Afternoon highs range from 64°F (18°C) in July to 83°F (28°C) in January, and July nights average 29°F (-2°C). It gets 23 in (592 mm) of rain a year, 72% of it from October to February. June and July are almost completely dry.
- Warmest month
- 83°F(28°C)
- Average high, January
- Coldest nights
- 29°F(-2°C)
- Average low, July
- Rain per year
- 23 in(592 mm)
- Wettest: December
- Humidity
- 52%
- Sunniest: November
Best and worst months in Heilbron
Best for weatherApril, August and September are the best time for weather in Heilbron: highs near 74°F (24°C) and about 0.9 in (22 mm) of rain a month.
Least pleasantDecember and January are the least pleasant; December is the wettest, with 4.2 in (107 mm) of rain.
Comfort combines how close the afternoon high is to 75°F (24°C) with how much rain falls and how humid it is. See where the weather is best in September.
Temperature and rain through the year
Highs and lows (°F)
Average highAverage low
Rain (in per month)
Heilbron weather by month
| Month | High | Low | Rain | Humidity | Sun |
|---|---|---|---|---|---|
| JanJanuary | 83°F(28°C) | 58°F(15°C) | 3.9 in(100 mm) | 59% | 6.6 |
| FebFebruary | 82°F(28°C) | 57°F(14°C) | 2.8 in(72 mm) | 60% | 6.3 |
| MarMarch | 80°F(26°C) | 54°F(12°C) | 2.7 in(69 mm) | 63% | 5.5 |
| AprAprilBest | 75°F(24°C) | 46°F(8°C) | 1.6 in(40 mm) | 61% | 4.8 |
| MayMay | 71°F(21°C) | 37°F(3°C) | 0.6 in(15 mm) | 57% | 4.1 |
| JunJune | 66°F(19°C) | 31°F(-1°C) | 0.3 in(8 mm) | 52% | 3.8 |
| JulJuly | 64°F(18°C) | 29°F(-2°C) | 0.2 in(6 mm) | 46% | 4.0 |
| AugAugustBest | 71°F(22°C) | 35°F(2°C) | 0.4 in(10 mm) | 36% | 4.9 |
| SepSeptemberBest | 77°F(25°C) | 43°F(6°C) | 0.6 in(16 mm) | 40% | 5.9 |
| OctOctober | 81°F(27°C) | 52°F(11°C) | 2.7 in(69 mm) | 45% | 6.5 |
| NovNovember | 81°F(27°C) | 54°F(12°C) | 3.1 in(80 mm) | 52% | 7.0 |
| DecDecember | 82°F(28°C) | 57°F(14°C) | 4.2 in(107 mm) | 57% | 6.9 |
1991–2020 averages. Sun is solar radiation in kWh/m² per day. Highlighted: the most comfortable months.
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