San Tan Valley, Arizona Climate
United States
Pop. 81,321 Elev. 461 m / 1,513 ft
TZ: America/Phoenix (UTC-7) ·
San Tan Valley has a dry climate with scorching summers reaching 106°F (41°C) in August and cool winters averaging 40°F (4°C) in January. Rain falls on about 14 days per year (11.1 in / 281 mm total). The city averages 255 sunny days per year.
| Temperature | 106°F (41°C) high | 40°F (4°C) low |
| Feels like | 86°F (30°C) high | 38°F (3°C) low |
| Rain | 14 days | 11.1 in (281 mm) /yr |
| Sky | 255 sunny | 10 stormy |
| Wind | 2.2 mph (1.0 m/s) avg |
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Explore on the MapMonthly Climate Chart
Best months to visit: Jan, Feb, Apr, Dec
Sky & Air by Month
Cloud cover (%)
24
Jan 34
Feb 32
Mar 23
Apr 25
May 8
Jun 28
Jul 33
Aug 32
Sep 18
Oct 34
Nov 35
Dec Humidity (%)
24
Jan 24
Feb 28
Mar 20
Apr 16
May 15
Jun 25
Jul 24
Aug 38
Sep 46
Oct 48
Nov 49
Dec Weather Days by Month
Cities with Similar Climate
Find similar cities on the map →Nearby Cities
Nearby
Commercial airport 11 mi Mesa Gateway Airport (AZA)
Ski resort 148 mi Arizona Snow Bowl
National park 13 mi Casa Grande Ruins National Monument
Mountain peak
(5,056 ft) 17 mi Superstition Peak
Hospital 3 mi Banner Ironwood Medical Center
Hiking trail 16 mi Hieroglyphics Trail #101
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Monthly Weather Data
↑ See chart| Month | Avg High | Avg Low | Rainfall | Snowfall | Sunny Days |
|---|---|---|---|---|---|
| January | 65°F 19°C | 40°F 4°C | 0.1 in 2 mm | — | 21 |
| February | 77°F 25°C | 49°F 9°C | 0.1 in 2 mm | — | 18 |
| March | 77°F 25°C | 52°F 11°C | 1.7 in 43 mm | — | 20 |
| April | 84°F 29°C | 57°F 14°C | 0.1 in 2 mm | — | 22 |
| May | 93°F 34°C | 66°F 19°C | 0.1 in 2 mm | — | 24 |
| June | 104°F 40°C | 76°F 24°C | 0.4 in 10 mm | — | 27 |
| July | 105°F 40°C | 81°F 27°C | 1.2 in 30 mm | — | 23 |
| August | 106°F 41°C | 83°F 28°C | 0.2 in 5 mm | — | 18 |
| September | 98°F 36°C | 77°F 25°C | 3.2 in 81 mm | — | 19 |
| October | 86°F 30°C | 62°F 17°C | 1.9 in 50 mm | — | 25 |
| November | 76°F 25°C | 54°F 12°C | 1.9 in 49 mm | — | 18 |
| December | 72°F 22°C | 48°F 9°C | 0.2 in 5 mm | — | 20 |
Weather Days by Month
↑ See chart| Month | Sunny Days | Storm Days |
|---|---|---|
| January | 21 | 0 |
| February | 18 | 0 |
| March | 20 | 2 |
| April | 22 | 0 |
| May | 24 | 0 |
| June | 27 | 0 |
| July | 23 | 2 |
| August | 18 | 0 |
| September | 19 | 2 |
| October | 25 | 2 |
| November | 18 | 2 |
| December | 20 | 0 |