Weather Almanac: San Jose, CA 95138

🗓️ Historical norms for December

December avg. precipitation
🌧️ 4.15"
December days below freezing
📉 ≈7.3 days
Average December lows 35°F – 41°F
USDA Zone
9b
Annual extreme lows 25°F to 30°F
Last Spring Frost (36°F)
🌷 Feb 25
First Fall Frost (36°F)
🍂 Nov 24

Temperature climatic data from weather station: MT HAMILTON (USC00045933)

Precipitation climatic data from weather station: MT HAMILTON (USC00045933)

Agricultural climatic data from weather station: SAN JOSE (USC00047821)