In December, La Rioja typically sees daytime highs of 31.8°C and overnight lows around 18.1°C. Compared to the annual average high of 25.5°C, December runs +6.2°C.
December in La Rioja averages a daytime high of 31.8°C and an overnight low of 18.1°C.
December runs +6.2°C compared to La Rioja's annual average high of 25.5°C, ranking #2 of 12 months by warmth.
Plan for daytime highs near 31.8°C and cooler evenings around 18.1°C.