In March, Carlsbad typically sees daytime highs of 18.3°C and overnight lows around 9.0°C. Compared to the annual average high of 21.2°C, March runs -2.9°C.
March in Carlsbad averages a daytime high of 18.3°C and an overnight low of 9.0°C.
March runs -2.9°C compared to Carlsbad's annual average high of 21.2°C, ranking #10 of 12 months by warmth.
Plan for daytime highs near 18.3°C and cooler evenings around 9.0°C.