San Luis, CO
Climate overview — based on NOAA 1991-2020 normals from SAN LUIS 1 S, CO US.
Year-round temperatures (°F)
Climate summary
San Luis has an annual average temperature of 43.9°F with about 9 inches of precipitation per year. The warmest month is July (average high 81.9°F), and the coldest is January (average low 6.3°F). July is typically the wettest month (1.51 in) and March the driest (0.35 in).
Best time to visit San Luis
Full guide →Climate change signal
All-time records →0 of 366 (0%) of San Luis'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.
| 1980s | 103 | |
| 1990s | 96 | |
| 2000s | 167 |
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 | 37.0°F | 6.3°F | 21.6°F | 0.38 in | — | 2 |
| February | 41.3°F | 12.1°F | 26.7°F | 0.50 in | — | 4 |
| March | 52.1°F | 22.7°F | 37.4°F | 0.35 in | — | 3 |
| April | 58.3°F | 27.0°F | 42.6°F | 0.56 in | — | 3 |
| May | 67.9°F | 34.5°F | 51.2°F | 0.73 in | — | 3 |
| June | 79.2°F | 41.5°F | 60.4°F | 0.79 in | — | 4 |
| July | 81.9°F | 48.2°F | 65.0°F | 1.51 in | — | 7 |
| August | 79.3°F | 47.4°F | 63.3°F | 1.29 in | — | 9 |
| September | 73.6°F | 39.4°F | 56.5°F | 1.04 in | — | 4 |
| October | 62.8°F | 28.4°F | 45.6°F | 0.94 in | — | 4 |
| November | 49.1°F | 17.6°F | 33.4°F | 0.50 in | — | 2 |
| December | 38.6°F | 8.9°F | 23.7°F | 0.41 in | — | 3 |
Climate twins of San Luis
Why these? →The most climatically similar US cities at least 140 miles away (by monthly temperature + precipitation pattern).