In December, Bukit Mertajam typically sees daytime highs of 31.0°C and overnight lows around 23.1°C. Compared to the annual average high of 31.7°C, December runs -0.6°C.
December in Bukit Mertajam averages a daytime high of 31.0°C and an overnight low of 23.1°C.
December runs -0.6°C compared to Bukit Mertajam's annual average high of 31.7°C, ranking #10 of 12 months by warmth.
Plan for daytime highs near 31.0°C and cooler evenings around 23.1°C.