Shamrock, TX
Climate overview — based on NOAA 1991-2020 normals from SHAMROCK #2, TX US.
Year-round temperatures (°F)
Climate summary
Shamrock has an annual average temperature of 58.7°F with about 25.3 inches of precipitation per year and 9.1 inches of snow. The warmest month is July (average high 93.8°F), and the coldest is January (average low 23.8°F). June is typically the wettest month (3.73 in) and January the driest (0.84 in). Snow typically falls from November through March.
Best time to visit Shamrock
Full guide →Climate change signal
All-time records →38 of 366 (10.4%) of Shamrock'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 | 46 | |
| 1970s | 63 | |
| 1980s | 62 | |
| 1990s | 41 | |
| 2000s | 46 | |
| 2010s | 108 |
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 | 50.4°F | 23.8°F | 37.1°F | 0.84 in | 2.7 in | 3 |
| February | 54.5°F | 26.7°F | 40.6°F | 0.90 in | 2.1 in | 4 |
| March | 63.6°F | 34.6°F | 49.1°F | 1.70 in | 1.6 in | 5 |
| April | 72.0°F | 42.9°F | 57.5°F | 2.50 in | — | 5 |
| May | 80.5°F | 53.0°F | 66.7°F | 3.36 in | — | 8 |
| June | 89.3°F | 63.1°F | 76.2°F | 3.73 in | — | 7 |
| July | 93.8°F | 67.7°F | 80.7°F | 2.41 in | — | 6 |
| August | 92.5°F | 66.1°F | 79.3°F | 2.80 in | — | 7 |
| September | 84.8°F | 58.2°F | 71.5°F | 2.42 in | — | 6 |
| October | 73.4°F | 45.4°F | 59.4°F | 2.31 in | — | 5 |
| November | 61.1°F | 33.8°F | 47.4°F | 1.29 in | 0.8 in | 4 |
| December | 51.4°F | 25.5°F | 38.5°F | 1.03 in | 1.9 in | 4 |
Climate twins of Shamrock
Why these? →The most climatically similar US cities at least 140 miles away (by monthly temperature + precipitation pattern).