Weather Almanac: San Mateo, CA 94402

🗓️ Historical norms for May

May avg. precipitation
🌧️ 0.47"
May days below freezing
📉 ≈0.0 days
Average May lows 50°F – 53°F
USDA Zone
10a
Annual extreme lows 30°F to 35°F
Last Spring Frost (36°F)
🌷 Jan 28
First Fall Frost (36°F)
🍂 Dec 15

Temperature climatic data from weather station: SAN FRANCISCO INTL AP (USW00023234)

Precipitation climatic data from weather station: SAN FRANCISCO INTL AP (USW00023234)

Agricultural climatic data from weather station: SAN FRANCISCO INTL AP (USW00023234)