In January, Porterville typically sees daytime highs of 13.7°C and overnight lows around 2.0°C. Compared to the annual average high of 25.3°C, January runs -11.6°C.
January in Porterville averages a daytime high of 13.7°C and an overnight low of 2.0°C.
January runs -11.6°C compared to Porterville's annual average high of 25.3°C, ranking #12 of 12 months by warmth.
Plan for daytime highs near 13.7°C and cooler evenings around 2.0°C.