In February, Harlingen typically sees daytime highs of 23.0°C and overnight lows around 11.4°C. Compared to the annual average high of 28.5°C, February runs -5.5°C.
February in Harlingen averages a daytime high of 23.0°C and an overnight low of 11.4°C.
February runs -5.5°C compared to Harlingen's annual average high of 28.5°C, ranking #10 of 12 months by warmth.
Plan for daytime highs near 23.0°C and cooler evenings around 11.4°C.