In December, Grahamstown typically sees daytime highs of 26.3°C and overnight lows around 14.2°C. Compared to the annual average high of 23.8°C, December runs +2.4°C.
December in Grahamstown averages a daytime high of 26.3°C and an overnight low of 14.2°C.
December runs +2.4°C compared to Grahamstown's annual average high of 23.8°C, ranking #4 of 12 months by warmth.
Plan for daytime highs near 26.3°C and cooler evenings around 14.2°C.