In March, Santa Barbara typically sees daytime highs of 18.9°C and overnight lows around 6.6°C. Compared to the annual average high of 22.0°C, March runs -3.1°C.
March in Santa Barbara averages a daytime high of 18.9°C and an overnight low of 6.6°C.
March runs -3.1°C compared to Santa Barbara's annual average high of 22.0°C, ranking #9 of 12 months by warmth.
Plan for daytime highs near 18.9°C and cooler evenings around 6.6°C.