In June, Oceanside typically sees daytime highs of 22.0°C and overnight lows around 13.8°C. Compared to the annual average high of 21.2°C, June runs +0.8°C.
June in Oceanside averages a daytime high of 22.0°C and an overnight low of 13.8°C.
June runs +0.8°C compared to Oceanside's annual average high of 21.2°C, ranking #5 of 12 months by warmth.
Plan for daytime highs near 22.0°C and cooler evenings around 13.8°C.