In December, Santo Tomas typically sees daytime highs of 28.7°C and overnight lows around 21.8°C. Compared to the annual average high of 30.7°C, December runs -1.9°C.
December in Santo Tomas averages a daytime high of 28.7°C and an overnight low of 21.8°C.
December runs -1.9°C compared to Santo Tomas's annual average high of 30.7°C, ranking #11 of 12 months by warmth.
Plan for daytime highs near 28.7°C and cooler evenings around 21.8°C.