Granby, CO
Climate overview — based on NOAA 1991-2020 normals from GRAND LAKE 6 SSW, CO US.
Year-round temperatures (°F)
Climate summary
Granby has an annual average temperature of 37.4°F with about 13.8 inches of precipitation per year. The warmest month is July (average high 74.8°F), and the coldest is January (average low 2.5°F). August is typically the wettest month (1.68 in) and March the driest (0.69 in).
Best time to visit Granby
Full guide →Climate change signal
All-time records →56 of 366 (15.3%) of Granby'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.
| 1940s | 7 | |
| 1950s | 38 | |
| 1960s | 22 | |
| 1970s | 26 | |
| 1980s | 30 | |
| 1990s | 44 | |
| 2000s | 121 | |
| 2010s | 40 | |
| 2020s | 38 |
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 | 25.8°F | 2.5°F | 14.1°F | 0.87 in | — | 11 |
| February | 30.5°F | 4.5°F | 17.5°F | 0.84 in | — | 10 |
| March | 39.8°F | 13.3°F | 26.6°F | 0.69 in | — | 9 |
| April | 48.3°F | 23.1°F | 35.7°F | 1.20 in | — | 10 |
| May | 59.4°F | 31.4°F | 45.4°F | 1.62 in | — | 12 |
| June | 70.1°F | 38.1°F | 54.1°F | 1.18 in | — | 9 |
| July | 74.8°F | 44.1°F | 59.4°F | 1.62 in | — | 12 |
| August | 72.7°F | 42.8°F | 57.8°F | 1.68 in | — | 13 |
| September | 66.9°F | 35.8°F | 51.3°F | 1.46 in | — | 10 |
| October | 54.7°F | 27.1°F | 40.9°F | 1.05 in | — | 8 |
| November | 39.5°F | 17.8°F | 28.7°F | 0.72 in | — | 9 |
| December | 28.0°F | 7.8°F | 17.9°F | 0.82 in | — | 10 |
Climate twins of Granby
Why these? →The most climatically similar US cities at least 140 miles away (by monthly temperature + precipitation pattern).