In December, Heroica Guaymas typically sees daytime highs of 24.5°C and overnight lows around 10.5°C. Compared to the annual average high of 30.4°C, December runs -5.9°C.
December in Heroica Guaymas averages a daytime high of 24.5°C and an overnight low of 10.5°C.
December runs -5.9°C compared to Heroica Guaymas's annual average high of 30.4°C, ranking #11 of 12 months by warmth.
Plan for daytime highs near 24.5°C and cooler evenings around 10.5°C.