In February, Sarnia typically sees daytime highs of -0.2°C and overnight lows around -8.5°C. Compared to the annual average high of 13.3°C, February runs -13.6°C.
February in Sarnia averages a daytime high of -0.2°C and an overnight low of -8.5°C.
February runs -13.6°C compared to Sarnia's annual average high of 13.3°C, ranking #11 of 12 months by warmth.
Plan for daytime highs near -0.2°C and cooler evenings around -8.5°C.