Climate averages 1991–2020
San Tan Valley weather
in June.
A very hot, very dry month: the 2nd warmest and the driest of the year.
Long-term climate patterns, not a forecast for a particular trip.
June is a very hot month in San Tan Valley: daytime highs average 38.7°C and nights cool to about 22.6°C. By daytime temperature it is the 2nd warmest of the 12 months.
Expect about 2.0 mm of rain on fewer than one day, which makes June a very dry month (the driest month of the year). Daylight, from sunrise to sunset, lasts about 14 h 18 min on an average June day.
The nearest other city in this atlas is Chandler (32 km away). In June its highs average 39.8°C, 1.1°C warmer than San Tan Valley, with 1.9 mm of rain.
Among the 498 cities listed in the United States, San Tan Valley ranks 13th of 498 for the warmest June highs and joint 38th of 498 for the driest June (rainfall, lowest first). The mean June high of those 498 cities is 27.9°C; San Tan Valley is 10.7°C warmer than that mean.
From June to July, average highs rise by 0.6°C to 39.3°C, and monthly rainfall rises from 2.0 mm to 21 mm.
The annual picture
June in context
Monthly rainfall
Average total · mmAverages from hourly ERA5 reanalysis data. Actual weather varies from year to year. How these numbers are calculated
Every month, side by side
San Tan Valley climate table
| Month | Average highHigh / low | Average low | Rainfall mm/month | Rain days ≥1 mm/day | Daylight hours/dayDaylight h/day |
|---|---|---|---|---|---|
| January | 18.2°C4.9°C | 4.9°C | 38 | 4.2 | 10.210 h |
| February | 19.8°C6.3°C | 6.3°C | 41 | 4.4 | 11.011 h |
| March | 23.8°C8.9°C | 8.9°C | 27 | 3.0 | 12.012 h |
| April | 28.2°C12.5°C | 12.5°C | 8.4 | 1.4 | 13.013 h |
| May | 33.2°C17.4°C | 17.4°C | 4.1 | 0.7 | 13.914 h |
| June, selected | 38.7°C22.6°C | 22.6°C | 2.0 | 0.6 | 14.314 h |
| July | 39.3°C26.5°C | 26.5°C | 21 | 3.7 | 14.114 h |
| August | 38.4°C26.2°C | 26.2°C | 27 | 4.9 | 13.413 h |
| September | 35.9°C22.7°C | 22.7°C | 26 | 3.2 | 12.412 h |
| October | 30.0°C15.9°C | 15.9°C | 18 | 2.4 | 11.411 h |
| November | 23.3°C9.6°C | 9.6°C | 19 | 2.4 | 10.510 h |
| December | 17.6°C4.8°C | 4.8°C | 34 | 4.3 | 10.010 h |
Rainfall is the average of the 30 separate monthly totals. A rain day is a local calendar day with at least 1 mm of precipitation. Daylight is the calculated sunrise-to-sunset length, not measured sunshine.
Compare places
June in nearby cities
- Chandler in JuneUnited States · 32 kmHigh 39.8°C · Low 22.9°C · 1.9 mm rain
- Mesa in JuneUnited States · 38 kmHigh 39.4°C · Low 23.1°C · 1.6 mm rain
- Tempe in JuneUnited States · 43 kmHigh 39.6°C · Low 23.7°C · 1.8 mm rain
- Scottsdale in JuneUnited States · 49 kmHigh 39.3°C · Low 23.6°C · 1.8 mm rain
- Phoenix in JuneUnited States · 58 kmHigh 39.7°C · Low 24.1°C · 1.8 mm rain
- Glendale (Arizona), United States in JuneUnited States · 72 kmHigh 39.5°C · Low 24.3°C · 1.8 mm rain
- Peoria (Arizona), United States in JuneUnited States · 79 kmHigh 39.2°C · Low 24.2°C · 1.8 mm rain
- Avondale in JuneUnited States · 81 kmHigh 40.0°C · Low 24.8°C · 1.8 mm rain
Read the numbers correctly
Climate, not a promise.
These patterns help compare months. They cannot tell you the weather on a specific day of your trip.
Sources, method and limitsHow these numbers are made (what the highs, lows and rain days mean, the sources and the model cell used for San Tan Valley) is explained once on the San Tan Valley year overview and on the Sources, method and limits page.