In January, Pematangsiantar typically sees daytime highs of 29.6°C and overnight lows around 19.3°C. Compared to the annual average high of 30.4°C, January runs -0.8°C.
January in Pematangsiantar averages a daytime high of 29.6°C and an overnight low of 19.3°C.
January runs -0.8°C compared to Pematangsiantar's annual average high of 30.4°C, ranking #12 of 12 months by warmth.
Plan for daytime highs near 29.6°C and cooler evenings around 19.3°C.