December in Hemet averages a daily high of 19.3°C with nights around 4°C. Expect roughly 4.9 wet days totalling 47.9mm. Comfortable conditions for being outdoors all day.
Across the year, the best time to visit Hemet is October–May.
Based on SAN JACINTO, CA US (5.4km), 1995–2024. 26 years of December data.