In March, Brentwood typically sees daytime highs of 18.3°C and overnight lows around 5.9°C. Compared to the annual average high of 22.6°C, March runs -4.3°C.
March in Brentwood averages a daytime high of 18.3°C and an overnight low of 5.9°C.
March runs -4.3°C compared to Brentwood's annual average high of 22.6°C, ranking #9 of 12 months by warmth.
Plan for daytime highs near 18.3°C and cooler evenings around 5.9°C.