La Rioja weather by month & the best time to visit

🇦🇷 Argentina · regional city · semi-arid climate

The best time to visit La Rioja is July — its sunniest month (Sunshine Score 98/100), with August and June close behind. La Rioja averages about 3,246 hours of sunshine a year. Daytime highs around 20°C / 68°F and roughly 4 mm of rain in July.

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Sun hours / year

3,246

Sunniest month

July

Peak score

98/100

Rain / year

435 mm

Midday UV at peak

13 (extreme)

Population

179k

Elevation

435 m

When is the best time to visit La Rioja?

For sunshine, the best time to visit La Rioja is July, then August and June. The dullest month is January (49/100, 91 mm of rain). The full month-by-month picture is in the table below.

How sunny is La Rioja?

La Rioja is one of the sunniest places on Earth: about 3,246 hours of sunshine a year. 49 Sunshine Score points separate July (98) from January (49), so the month you pick matters. It ranks #4 of 41 destinations in Argentina for annual sunshine, above the national median of 2,741 hours. Rain has a clear season: the wettest stretch, around January, carries about 56% of the annual 435 mm.

Sunshine Score by month

See La Rioja on the interactive sunshine globe →

Nearby places for sunshine

• Cordoba Argentina · 328 km · best in Aug · 2,919 h sun/yr
• Mendoza Argentina · 428 km · best in Sep · 3,504 h sun/yr
• La Serena-Coquimbo Chile · 430 km · best in Jan · 2,601 h sun/yr
• Copiapo Chile · 456 km · best in Mar · 3,703 h sun/yr
• Salta Argentina · 520 km · best in Jun · 3,114 h sun/yr
• Santiago Chile · 585 km · best in Mar · 3,263 h sun/yr

Nearest destinations

• Catamarca Argentina · 134 km · 2,917 h sun/yr · best in Aug
• Termas de Río Hondo Argentina · 277 km · 2,653 h sun/yr · best in Jul
• Santiago del Estero Argentina · 302 km · 2,653 h sun/yr · best in Jul
• San Miguel de Tucumán Argentina · 328 km · 2,970 h sun/yr · best in Jul