In January, Casa Grande typically sees daytime highs of 18.7°C and overnight lows around 2.9°C. Compared to the annual average high of 30.0°C, January runs -11.3°C.
January in Casa Grande averages a daytime high of 18.7°C and an overnight low of 2.9°C.
January runs -11.3°C compared to Casa Grande's annual average high of 30.0°C, ranking #12 of 12 months by warmth.
Plan for daytime highs near 18.7°C and cooler evenings around 2.9°C.