Rockwall, TX Weather & Climate Normals
What a normal year in Rockwall actually looks like
On the 30-year record NOAA keeps for Rockwall, TX, the comfort score comes out to 47/100, strongly seasonal: Comfortable weather is limited to a shorter window; summers, winters, or precipitation swing wide. Only 4 months a year land in the 55–75°F range this site treats as mild.
How much Rockwall's weather actually swings
Average temperatures in Rockwall run from 44°F in Jan up to 83°F in Aug, a 39.2°F seasonal swing, a middling gap by national standards.
Rockwall, month by month
| Month | Avg high | Avg low | Precip | Snow |
|---|---|---|---|---|
| Jan | 54°F | 34°F | 2.58in | 0in |
| Feb | 58°F | 38°F | 2.71in | 0in |
| Mar | 65°F | 46°F | 3.54in | 0in |
| Apr | 73°F | 53°F | 3.68in | 0in |
| May | 80°F | 63°F | 4.74in | 0in |
| Jun | 88°F | 70°F | 4.13in | 0in |
| Jul | 92°F | 73°F | 1.87in | 0in |
| Aug | 93°F | 73°F | 2.15in | 0in |
| Sep | 87°F | 66°F | 3.1in | 0in |
| Oct | 77°F | 55°F | 4.42in | 0in |
| Nov | 65°F | 45°F | 3.42in | 0in |
| Dec | 56°F | 36°F | 3.45in | 0.2in |
If you're timing a visit, Mar, Apr, May, and Oct are Rockwall's mildest stretch; if you're moving there, you should plan around Aug's heat and Jan's cold instead.
How wet Rockwall actually gets
Over a typical year, Rockwall sees about 39.79in of precipitation a year across roughly 88 days with measurable rain or snow, with 0.2in of snow a year.
Rockwall against the rest of the country
Out of 4876 cities scored here, Rockwall comes in at 2569; within TX alone it ranks 319 of 384. Population is about 53,547.
Checking the actual forecast
These figures come from Lavon Dam, TX US, the NOAA station 8.6 miles from Rockwall, averaged over 30 years, not tomorrow's forecast.
More on how this is worked out
Why this uses the nearest NOAA station · How the comfort score is calculated