Weather Almanac: Rialto, CA 92377

🗓️ Historical norms for October

October avg. precipitation
🌧️ 1.84"
October days below freezing
📉 ≈0.0 days
Average October lows 52°F – 56°F
USDA Zone
10a
Annual extreme lows 30°F to 35°F
Last Spring Frost (36°F)
🌷 Mar 15
First Fall Frost (36°F)
🍂 Nov 24

Temperature climatic data from weather station: SAN BERNARDINO F S 226 (USC00047723)

Precipitation climatic data from weather station: LYTLE CREEK RS (USC00045218)

Agricultural climatic data from weather station: SAN BERNARDINO F S 226 (USC00047723)