Round Mountain, TX
Climate overview — based on NOAA 1991-2020 normals from JOHNSON CITY 2N, TX US.
Year-round temperatures (°F)
Climate summary
Round Mountain has an annual average temperature of 67°F with about 33 inches of precipitation per year and 0.2 inches of snow. The warmest month is August (average high 96.6°F), and the coldest is January (average low 35.1°F). May is typically the wettest month (4.03 in) and December the driest (1.85 in).
Best time to visit Round Mountain
Full guide →Climate change signal
All-time records →124 of 366 (33.9%) of Round Mountain's all-time daily heat records have been set since 2015. If records were spread evenly across the station's history, only about 5% would fall in any given decade.
| 1960s | 19 | |
| 1970s | 32 | |
| 1980s | 52 | |
| 1990s | 54 | |
| 2000s | 59 | |
| 2010s | 44 | |
| 2020s | 106 |
Bars: number of all-time daily heat records still standing that were set in each decade.
Monthly averages
| Month | Avg High | Avg Low | Avg Temp | Precipitation | Snow | Rainy days |
|---|---|---|---|---|---|---|
| January | 62.3°F | 35.1°F | 48.7°F | 2.25 in | 0.1 in | 7 |
| February | 65.8°F | 38.7°F | 52.2°F | 2.01 in | 0.1 in | 8 |
| March | 72.9°F | 46.7°F | 59.8°F | 2.56 in | — | 8 |
| April | 79.9°F | 53.1°F | 66.5°F | 2.77 in | — | 6 |
| May | 86.1°F | 63.0°F | 74.5°F | 4.03 in | — | 8 |
| June | 92.4°F | 69.2°F | 80.8°F | 3.23 in | — | 7 |
| July | 95.5°F | 71.4°F | 83.4°F | 2.15 in | — | 5 |
| August | 96.6°F | 70.8°F | 83.7°F | 2.21 in | — | 5 |
| September | 90.2°F | 64.3°F | 77.3°F | 3.36 in | — | 7 |
| October | 81.8°F | 54.4°F | 68.1°F | 3.62 in | — | 7 |
| November | 71.2°F | 44.9°F | 58.1°F | 2.98 in | — | 6 |
| December | 63.9°F | 37.1°F | 50.5°F | 1.85 in | — | 6 |
Climate twins of Round Mountain
Why these? →The most climatically similar US cities at least 140 miles away (by monthly temperature + precipitation pattern).