Weather Almanac: Port Isabel, TX 78578

🌱 Growing Season

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

📍 Zip Codes


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)