Weather Almanac: West Covina, CA 91790

🗓️ Historical norms for December

December avg. precipitation
🌧️ 2.73"
December days below freezing
📉 ≈0.3 days
Average December lows 42°F – 46°F
USDA Zone
10a
Annual extreme lows 30°F to 35°F
Last Spring Frost (36°F)
🌷 Feb 6
First Fall Frost (36°F)
🍂 Dec 12

Temperature climatic data from weather station: SAN GABRIEL FIRE DEPT (USC00047785)

Precipitation climatic data from weather station: COVINA CITY YRD FC387B (USC00042090)

Agricultural climatic data from weather station: SAN GABRIEL FIRE DEPT (USC00047785)