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Weather & Climate

San Augustine, Texas, United States

Overview

Climate data and monthly weather averages for San Augustine.

Key Metrics

Annual Avg
19.2°C
Summer Avg
28.4°C
Winter Avg
9.4°C
Record High
43.5°C
Record Low
-8.5°C
Annual Precipitation
1296.5 mm
Avg Humidity
77%
Summer Humidity
71%
Winter Humidity
83%

Monthly Averages

MonthHigh (°C)Avg (°C)Low (°C)Rain (mm)Humidity (%)Sunshine (h)Wind (kph)
Jan25.3°8.2°-8.5°105.183%8621.1
Feb27.5°10.4°-7.8°10583%8921.1
Mar31.6°14.8°-5.7°118.781%13521
Apr35.2°19°-0.3°97.578%16221.3
May39°23.6°4.9°112.275%18422.4
Jun41.6°27.6°15.8°123.372%19020.1
Jul42°28.7°18°96.771%19616.6
Aug43.5°29°15.2°99.269%18520.4
Sep40.5°25.7°8.5°97.872%15338.4
Oct36.3°19.9°0.9°121.274%13021.2
Nov31.6°14°-5.7°102.679%9421.1
Dec27.3°9.5°-5.4°117.282%7723.2

Frequently Asked Questions

Sources: NASA POWER · Last updated: 2025

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