La Rioja Climate by Month
La Rioja, Argentina
Hot summers and cool winters, with little rain, mostly from December to March.
The climate in La Rioja is one of hot summers and cool winters, with little rain, mostly from December to March. Expect highs of 93°F (34°C) in January and 64°F (18°C) in July, with the coldest nights (July) near 38°F (3°C). It gets only 12 in (295 mm) of rain a year. May to September are almost completely dry.
- Warmest month
- 93°F(34°C)
- Average high, January
- Coldest nights
- 38°F(3°C)
- Average low, July
- Rain per year
- 12 in(295 mm)
- Wettest: January
- Humidity
- 56%
- Sunniest: January
Best and worst months in La Rioja
Best for weatherApril, August and September are the best time for weather in La Rioja: highs near 75°F (24°C) and almost no rain.
Least pleasantDecember and January are the least pleasant; January is the hottest, with highs of 93°F (34°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 September.
Temperature and rain through the year
Highs and lows (°F)
Average highAverage low
Rain (in per month)
La Rioja weather by month
| Month | High | Low | Rain | Humidity | Sun |
|---|---|---|---|---|---|
| JanJanuary | 93°F(34°C) | 68°F(20°C) | 2.6 in(65 mm) | 53% | 6.7 |
| FebFebruary | 90°F(32°C) | 66°F(19°C) | 2.2 in(56 mm) | 58% | 6.0 |
| MarMarch | 85°F(29°C) | 63°F(17°C) | 1.9 in(47 mm) | 63% | 5.6 |
| AprAprilBest | 77°F(25°C) | 55°F(13°C) | 0.8 in(21 mm) | 68% | 4.4 |
| MayMay | 69°F(21°C) | 47°F(8°C) | 0.4 in(9 mm) | 67% | 3.4 |
| JunJune | 64°F(18°C) | 40°F(4°C) | 0.1 in(3 mm) | 68% | 2.9 |
| JulJuly | 64°F(18°C) | 38°F(3°C) | 0.1 in(2 mm) | 55% | 3.5 |
| AugAugustBest | 71°F(22°C) | 43°F(6°C) | 0.2 in(4 mm) | 51% | 4.3 |
| SepSeptemberBest | 77°F(25°C) | 49°F(10°C) | 0.3 in(7 mm) | 46% | 5.8 |
| OctOctober | 84°F(29°C) | 58°F(14°C) | 0.5 in(13 mm) | 47% | 6.0 |
| NovNovember | 89°F(32°C) | 63°F(17°C) | 0.9 in(22 mm) | 49% | 6.5 |
| DecDecember | 93°F(34°C) | 67°F(19°C) | 1.8 in(46 mm) | 49% | 6.7 |
1991–2020 averages. Sun is solar radiation in kWh/m² per day. Highlighted: the most comfortable months.
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