San Tan Valley, AZ weather in June
June in San Tan Valley: very hot and dry. Highs 105°F, lows 68°F, rain on about 1 day. This is the peak of the warm season in San Tan Valley. Midday heat is the main thing to plan around.
- Normal high
- 105°F
- Normal low
- 68°F
- Wet days
- 1
- 0.06 in total
- Muggy days
- 0
- dew point 65°F+
How June changes from start to finish
| June 1 | June 30 | |
|---|---|---|
| Normal high | 101°F | 107°F |
| Normal low | 63°F | 73°F |
| Chance of a wet day | 3% | 6% |
| Sunrise / sunset | 5:17 am / 7:30 pm | 5:20 am / 7:39 pm |
| Daylight | 14.2 h | 14.3 h |
Chance of a wet day: average for the first and last 7 days of the month. Times are local clock time (Arizona time (no daylight saving)).
A typical June day
- 6 am79°Fdew point 41°F
- 9 am88°Fdew point 40°F
- Noon97°Fdew point 37°F
- 3 pm102°Fdew point 35°F
- 6 pm102°Fdew point 34°F
- 9 pm95°Fdew point 36°F
NOAA hourly normals (local standard time) from Phoenix Sky Harbor Intl Airport (32 mi away); average wind 7 mph.
What kind of days to expect
- Comfortable dayshigh 65-80°F and dew point under 60°F0 of 30
- Hot dayshigh 90°F or more30 of 30
- Muggy daysdaily mean dew point 65°F or more0 of 30
- Wet daysat least 0.01 in of rain or melted snow1 of 30
- Notable rainat least 0.10 in0 of 30
- Freezing nightslow 32°F or below0 of 30
Average days per June, counted from daily records for each year 1991-2020.
Rain in June
Normal precipitation is 0.06 in; a dry June brings about 0.0 in and a wet one about 0.04 in (25th and 75th percentiles). Days with half an inch or more are rare.
How June varies from year to year
- Warmest June, 1991-20201994: average high 111°F
- Coolest June1991: average high 99°F
- Wettest June2018: 0.7 in
- Driest June1991: no measurable precipitation
- Highest reading123°F (June 30, 1994)
- Lowest reading44°F (June 7, 1993)
From the station's daily records with NOAA quality flags removed; most recent date shown when a reading repeats.
June compared with May and July
| May | June | July | |
|---|---|---|---|
| Normal high | 95°F | 105°F | 107°F |
| Normal low | 59°F | 68°F | 77°F |
| Wet days | 1 | 1 | 5 |
| Comfortable days | 1 | 0 | 0 |
| Daylight | 13.9 h | 14.3 h | 14.1 h |
Highs change by +10°F from May and +2°F into July.
Nearby alternatives in June
- Cooler: Sedona, AZ117 mi · high 94°F · 1 wet day
How San Tan Valley ranks in June
- Normal high2nd warmest of 378 cities; 1st of 13 in Arizona
- Wet days24th driest of 378
- Comfortable days272nd most of 340
What to pack for San Tan Valley in June
- Light, breathable clothing – highs near 105°F
- Layers – afternoons near 105°F but nights near 68°F
- Sunglasses and sunscreen – about 14.3 hours of daylight and highs near 105°F
Heating and cooling
June has 0 heating degree days and 647 cooling degree days (base 65°F), 12% of the year's total heating and cooling demand.
Questions
How hot is San Tan Valley in June?
The normal high is 105°F and the normal low is 68°F. From 1991 to 2020 the hottest June reading was 123°F (June 30, 1994).
Does it rain a lot in San Tan Valley in June?
About 1 days in June have at least 0.01 in of precipitation, and the normal total is 0.06 in. The wettest June in 1991-2020 was in 2018 (0.7 in); the driest was in 1991, with no measurable precipitation.
Is June a good time to visit San Tan Valley?
June ranks 9th of 12 months on our comfort score for San Tan Valley (38 out of 100). It has almost no comfortable days and about 30 days at 90°F or hotter. The best months are January, February and December.
Where the numbers come from
- Temperature, rain, snowfall and snow depth: Casa Grande Nm (USC00021314), 14 mi S of the city center, 1,419 ft (103 ft lower than the city). NOAA normals and daily records, 1991-2020.
- Frost dates: Chandler Heights (USC00021514), 9.0 mi W of the city center, 1,425 ft (97 ft lower than the city). NOAA normals and daily records, 1991-2020.
- Humidity and wind by hour: Phoenix Sky Harbor Intl Airport (USW00023183), 32 mi WNW of the city center, 1,107 ft (415 ft lower than the city). NOAA normals and daily records, 1991-2020.
- Daily humidity and wind: Phoenix Sky Harbor Intl Airport (722780-23183), 32 mi WNW of the city center, 1,113 ft (409 ft lower than the city). Hourly observations, 1991-2020.
- Not available for this location: cloud cover (no station close enough or similar enough in elevation).