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Port Lavaca climate
Typical historical weather for Port Lavaca, United States, averaged across 10 years of hourly climate data. Pick a date for a specific day.
Want today's actual conditions instead? See the current forecast for Port Lavaca.
Annual average
22.5°C
across all months
Warmest month
32.9°C
Aug average high
Coolest month
9.2°C
Jan average low
Annual rainfall
955mm
total per year
Monthly averages
Average daily high/low temperature (band) and monthly rainfall (bars).
● Avg high● Avg low▮ Rainfall
Records on file
Hottest day
38.5°C
27 August 2023
Coldest day
-8°C
15 February 2021
Wettest day
115.6mm
21 September 2020
Windiest day
11.2m/s
26 August 2017
See the detail: Port Lavaca on 21 September 2020.