Rancagua Climate by Month
Rancagua, O'Higgins Region, Chile
Hot summers and mild winters, with most rain from May to August.
Hot summers and mild winters, with most rain from May to August: that's Rancagua's climate in short. January is the warmest month, with highs around 92°F (33°C); June is the coolest at 62°F (17°C), and nights dip to 45°F (7°C). It gets 23 in (588 mm) of rain a year, 76% of it from May to August. December to March are almost completely dry.
- Warmest month
- 92°F(33°C)
- Average high, January
- Coldest nights
- 45°F(7°C)
- Average low, June
- Rain per year
- 23 in(588 mm)
- Wettest: June
- Humidity
- 51%
- Sunniest: January
Best and worst months in Rancagua
Best for weatherThe most comfortable weather comes in April and October, with highs around 77°F (25°C) and about 1.2 in (30 mm) of rain a month.
Least pleasantJune is the least pleasant month: it's the coldest, with highs of only 62°F (17°C).
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 April.
Temperature and rain through the year
Highs and lows (°F)
Average highAverage low
Rain (in per month)
Rancagua weather by month
| Month | High | Low | Rain | Humidity | Sun |
|---|---|---|---|---|---|
| JanJanuary | 92°F(33°C) | 66°F(19°C) | 0.0 in(1 mm) | 38% | 7.5 |
| FebFebruary | 89°F(32°C) | 62°F(17°C) | 0.1 in(2 mm) | 43% | 6.3 |
| MarMarch | 85°F(29°C) | 58°F(15°C) | 0.2 in(6 mm) | 45% | 5.2 |
| AprAprilBest | 76°F(25°C) | 53°F(12°C) | 1.1 in(28 mm) | 53% | 3.6 |
| MayMay | 68°F(20°C) | 48°F(9°C) | 3.5 in(90 mm) | 55% | 2.4 |
| JunJune | 62°F(17°C) | 45°F(7°C) | 6.3 in(160 mm) | 64% | 1.7 |
| JulJuly | 64°F(18°C) | 45°F(7°C) | 5.2 in(131 mm) | 56% | 2.1 |
| AugAugust | 66°F(19°C) | 46°F(8°C) | 2.7 in(68 mm) | 59% | 2.8 |
| SepSeptember | 70°F(21°C) | 49°F(10°C) | 1.5 in(39 mm) | 57% | 4.1 |
| OctOctoberBest | 77°F(25°C) | 54°F(12°C) | 1.2 in(31 mm) | 51% | 5.0 |
| NovNovember | 83°F(29°C) | 58°F(15°C) | 0.9 in(23 mm) | 47% | 6.5 |
| DecDecember | 87°F(30°C) | 60°F(16°C) | 0.4 in(9 mm) | 42% | 7.3 |
1991–2020 averages. Sun is solar radiation in kWh/m² per day. Highlighted: the most comfortable months.
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