In December, San Nicolas de los Arroyos typically sees daytime highs of 29.1°C and overnight lows around 15.8°C. Compared to the annual average high of 23.2°C, December runs +5.9°C.
December in San Nicolas de los Arroyos averages a daytime high of 29.1°C and an overnight low of 15.8°C.
December runs +5.9°C compared to San Nicolas de los Arroyos's annual average high of 23.2°C, ranking #3 of 12 months by warmth.
Plan for daytime highs near 29.1°C and cooler evenings around 15.8°C.