Fountain Hills, AZ
Climate overview — based on NOAA 1991-2020 normals from FOUNTAIN HILLS, AZ US.
Year-round temperatures (°F)
Climate summary
Fountain Hills has an annual average temperature of 72.1°F with about 10.2 inches of precipitation per year. The warmest month is July (average high 103.0°F), and the coldest is December (average low 43.9°F). January is typically the wettest month (1.41 in) and June the driest (0.14 in).
Best time to visit Fountain Hills
Full guide →Climate change signal
All-time records →42 of 366 (11.5%) of Fountain Hills'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.
| 1970s | 3 | |
| 1980s | 148 | |
| 1990s | 139 | |
| 2000s | 24 | |
| 2010s | 18 | |
| 2020s | 34 |
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 | 63.9°F | 44.5°F | 54.2°F | 1.41 in | — | 4 |
| February | 67.4°F | 46.2°F | 56.8°F | 1.33 in | — | 4 |
| March | 73.9°F | 50.7°F | 62.3°F | 1.28 in | — | 3 |
| April | 82.0°F | 56.4°F | 69.2°F | 0.33 in | — | 1 |
| May | 91.0°F | 64.5°F | 77.8°F | 0.23 in | — | 1 |
| June | 100.6°F | 72.8°F | 86.7°F | 0.14 in | — | 0 |
| July | 103.0°F | 80.3°F | 91.6°F | 0.80 in | — | 3 |
| August | 101.9°F | 79.8°F | 90.9°F | 1.33 in | — | 4 |
| September | 97.1°F | 73.7°F | 85.4°F | 0.81 in | — | 3 |
| October | 86.6°F | 62.6°F | 74.6°F | 0.63 in | — | 2 |
| November | 73.7°F | 51.3°F | 62.5°F | 0.74 in | — | 2 |
| December | 63.0°F | 43.9°F | 53.5°F | 1.15 in | — | 3 |
Climate twins of Fountain Hills
Why these? →The most climatically similar US cities at least 140 miles away (by monthly temperature + precipitation pattern).