Weather Almanac: San Jose, CA 95148

🗓️ Historical norms for April

April avg. precipitation
🌧️ 1.99"
April days below freezing
📉 ≈6.5 days
Average April lows 37°F – 45°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)