Iliff, CO
Climate overview — based on NOAA 1991-2020 normals from STERLING, CO US.
Year-round temperatures (°F)
Climate summary
Iliff has an annual average temperature of 51.4°F with about 15.2 inches of precipitation per year. The warmest month is July (average high 91.2°F), and the coldest is December (average low 15.5°F). July is typically the wettest month (2.67 in) and January the driest (0.33 in).
Best time to visit Iliff
Full guide →Climate change signal
All-time records →0 of 366 (0%) of Iliff'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.
| 1900s | 0 | |
| 1910s | 25 | |
| 1920s | 15 | |
| 1930s | 50 | |
| 1940s | 14 | |
| 1950s | 35 | |
| 1960s | 25 | |
| 1970s | 33 | |
| 1980s | 47 | |
| 1990s | 64 | |
| 2000s | 57 | |
| 2010s | 1 |
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 | 42.1°F | 15.6°F | 28.9°F | 0.33 in | — | 2 |
| February | 45.6°F | 18.5°F | 32.1°F | 0.54 in | — | 2 |
| March | 56.7°F | 26.7°F | 41.7°F | 0.77 in | — | 3 |
| April | 63.7°F | 35.3°F | 49.5°F | 1.32 in | — | 5 |
| May | 73.4°F | 45.5°F | 59.5°F | 2.24 in | — | 8 |
| June | 84.9°F | 56.7°F | 70.8°F | 2.20 in | — | 8 |
| July | 91.2°F | 62.2°F | 76.7°F | 2.67 in | — | 8 |
| August | 88.6°F | 59.6°F | 74.1°F | 1.52 in | — | 7 |
| September | 81.3°F | 49.0°F | 65.1°F | 1.63 in | — | 5 |
| October | 66.2°F | 35.3°F | 50.8°F | 1.22 in | — | 4 |
| November | 53.1°F | 24.4°F | 38.7°F | 0.45 in | — | 3 |
| December | 41.8°F | 15.5°F | 28.6°F | 0.35 in | — | 3 |
Climate twins of Iliff
Why these? →The most climatically similar US cities at least 140 miles away (by monthly temperature + precipitation pattern).