Weather Almanac: Morro Bay, CA 93442

🗓️ Historical norms for December

December avg. precipitation
🌧️ 2.72"
December days below freezing
📉 ≈0.7 days
Average December lows 42°F – 47°F
USDA Zone
9b
Annual extreme lows 25°F to 30°F
Last Spring Frost (36°F)
🌷 Mar 26
First Fall Frost (36°F)
🍂 Nov 24

Temperature climatic data from weather station: MORRO BAY FIRE DEPT (USC00045866)

Precipitation climatic data from weather station: MORRO BAY FIRE DEPT (USC00045866)

Agricultural climatic data from weather station: SAN LUIS OBISPO POLY U (USC00047851)