Round Rock vs Lewisville Climate
99%matchOn climate, Lewisville is a 99% match for Round Rock. Very close: temperatures within 3°F (2°C), with similar rain, humidity and sun.
Round Rock gets 34 in (873 mm) of rain a year and Lewisville 37 in (936 mm). Round Rock's warmest month is August, at 97°F (36°C); Lewisville's is July, at 96°F (36°C).
Climate fingerprints: ring color = average temperature, thickness = rain. January at the top.
Month by month
Highs and lows (°F)
Round RockLewisvillesolid = high, dashed = low
Rain (in per month)
Round RockLewisville
Monthly averages
| Month | High | Low | Rain | |||
|---|---|---|---|---|---|---|
| Round Rock | Lewisville | Round Rock | Lewisville | Round Rock | Lewisville | |
| Jan | 62°F(16°C) | 56°F(14°C) | 39°F(4°C) | 35°F(2°C) | 2.2 in(55 mm) | 2.2 in(56 mm) |
| Feb | 66°F(19°C) | 61°F(16°C) | 43°F(6°C) | 39°F(4°C) | 2.4 in(61 mm) | 2.5 in(63 mm) |
| Mar | 72°F(22°C) | 68°F(20°C) | 50°F(10°C) | 46°F(8°C) | 2.0 in(52 mm) | 3.1 in(78 mm) |
| Apr | 80°F(26°C) | 76°F(25°C) | 56°F(14°C) | 54°F(12°C) | 2.4 in(62 mm) | 3.5 in(89 mm) |
| May | 86°F(30°C) | 84°F(29°C) | 65°F(18°C) | 63°F(17°C) | 4.4 in(112 mm) | 4.9 in(125 mm) |
| Jun | 92°F(34°C) | 91°F(33°C) | 71°F(22°C) | 71°F(22°C) | 4.0 in(102 mm) | 3.7 in(95 mm) |
| Jul | 96°F(36°C) | 96°F(36°C) | 74°F(23°C) | 75°F(24°C) | 2.0 in(50 mm) | 2.3 in(58 mm) |
| Aug | 97°F(36°C) | 96°F(36°C) | 74°F(23°C) | 74°F(24°C) | 2.2 in(55 mm) | 2.3 in(59 mm) |
| Sep | 91°F(33°C) | 89°F(32°C) | 68°F(20°C) | 67°F(20°C) | 4.0 in(101 mm) | 3.8 in(96 mm) |
| Oct | 82°F(28°C) | 79°F(26°C) | 58°F(15°C) | 56°F(13°C) | 3.6 in(92 mm) | 3.7 in(94 mm) |
| Nov | 70°F(21°C) | 67°F(20°C) | 48°F(9°C) | 45°F(7°C) | 2.8 in(72 mm) | 2.5 in(63 mm) |
| Dec | 63°F(17°C) | 58°F(14°C) | 40°F(4°C) | 37°F(3°C) | 2.3 in(59 mm) | 2.4 in(60 mm) |
1991–2020 averages, by calendar month.