Weather Almanac: Port Isabel, TX 78578

🗓️ Historical norms for March

March avg. precipitation
🌧️ 1.50"
March days below freezing
📉 ≈0.0 days
Average March lows 57°F – 64°F
USDA Zone
10a
Annual extreme lows 30°F to 35°F
Last Spring Frost (36°F)
🌷 Feb 8
First Fall Frost (36°F)
🍂 Dec 14

Temperature climatic data from weather station: PORT ISABEL (USC00417179)

Precipitation climatic data from weather station: PORT ISABEL (USC00417179)

Agricultural climatic data from weather station: PORT ISABEL (USC00417179)