Unlock deeper multi-jurisdiction research

Full sub-pages, saves, and alerts are available on paid plans.

See plans

Weather & Climate

Rockwall, Texas, United States

Overview

Climate data and monthly weather averages for Rockwall.

Key Metrics

Annual Avg
18.4°C
Summer Avg
28.7°C
Winter Avg
7.6°C
Record High
44.7°C
Record Low
-11.9°C
Annual Precipitation
1001.8 mm
Avg Humidity
71%
Summer Humidity
65%
Winter Humidity
75%

Monthly Averages

MonthHigh (°C)Avg (°C)Low (°C)Rain (mm)Humidity (%)Sunshine (h)Wind (kph)
Jan27.7°6.4°-11.9°6775%8958
Feb28.7°8.6°-9.9°77.676%9354.2
Mar30°13.5°-9.2°98.675%13751.7
Apr36.1°18°-1.2°88.874%16348.5
May38.3°22.5°3.5°11975%18143.1
Jun41.3°27.1°13.8°93.670%20046.1
Jul44.7°29.3°17.3°61.164%20932.2
Aug44.6°29.7°15.4°65.160%19231.6
Sep42.7°25.7°9.7°78.664%15652.7
Oct37.1°19.2°-1.9°11167%12746.8
Nov32°12.9°-6.6°63.372%9251.2
Dec27.8°7.7°-10.8°78.174%8050.7

Frequently Asked Questions

Sources: NASA POWER · Last updated: 2025

Subscribe to unlock the full sub-page depth for additional jurisdictions.

You can keep discovering Oyster publicly, but full multi-jurisdiction depth, tracking, alerts, and exports are part of paid access.