San Tan Valley climate

San Tan Valley Weather in August

NOAA 1991-2020 normals for Florence, 21.6 km from San Tan Valley

Average highs run from 104°F on August 1 to 102°F on August 31, and lows from 79°F to 76°F. Normal precipitation for the month is 1.08 in over about 3 wet days.

August day by day

The normal high and low for each date, and the record, in °F.

Normal daily high and low temperature at San Tan Valley, in °F, with the record for each date.6080100120151015202530
  • Normal low
  • Normal high
  • Record high
  • Record low

August at a glance

Average high
103°F
Average low
78°F
Precipitation
1.08 in
Record high
117°FAug 7, 2025
Record low
65°FAug 8, 2009
Chance of a freeze
0%
Days of 90°F or more
30.3
Daylight
13 h 46 min to 12 h 52 min
Cloud cover
45%
Humidity
41%
Dew point
58°F
Wind
5.8 mph

Every day of the month

A wet day has at least 0.01 inch of precipitation.

DateNormal highNormal lowRecord highRecord lowChance wet
Aug 1104°F79°F115°F 202674°F 200310%
Aug 2104°F79°F115°F 202671°F 200510%
Aug 3104°F79°F115°F 202670°F 200510%
Aug 4104°F79°F114°F 202473°F 200310%
Aug 5104°F79°F114°F 202573°F 200611%
Aug 6104°F79°F116°F 202572°F 201311%
Aug 7104°F79°F117°F 202571°F 201311%
Aug 8104°F79°F115°F 201265°F 200911%
Aug 9104°F79°F114°F 201269°F 201311%
Aug 10104°F78°F115°F 200370°F 201811%
Aug 11104°F78°F113°F 201270°F 201311%
Aug 12103°F78°F114°F 200771°F 202111%
Aug 13103°F78°F117°F 201270°F 201411%
Aug 14103°F78°F115°F 202070°F 200811%
Aug 15103°F78°F113°F 201570°F 200511%
Aug 16103°F78°F113°F 201371°F 200411%
Aug 17103°F78°F114°F 202069°F 202111%
Aug 18103°F78°F113°F 202068°F 201711%
Aug 19103°F77°F113°F 202071°F 200411%
Aug 20103°F77°F111°F 201969°F 201411%
Aug 21103°F77°F113°F 201968°F 200611%
Aug 22103°F77°F114°F 202667°F 201410%
Aug 23103°F77°F114°F 201168°F 201410%
Aug 24103°F77°F114°F 202066°F 200210%
Aug 25103°F77°F114°F 202666°F 200210%
Aug 26103°F77°F115°F 201165°F 200210%
Aug 27103°F76°F114°F 202670°F 200210%
Aug 28103°F76°F116°F 200968°F 200610%
Aug 29102°F76°F115°F 200770°F 201810%
Aug 30102°F76°F112°F 200773°F 20049%
Aug 31102°F76°F112°F 201171°F 20029%

Chance of rain

The chance of at least 0.01 inch of precipitation on each date at San Tan Valley, in percent.02.557.51012.51102030
  • Chance of a wet day

Sunrise and sunset

Times for 2026, local time (MST).

August 1
sunrise 5:39 AM, sunset 7:25 PM
August 31
sunrise 6:00 AM, sunset 6:52 PM

Every day of August: sun and moon

Other months

Sources

Normals: NOAA NCEI U.S. Climate Normals, 1991-2020, station USC00023027 (Florence), public domain. Records: NOAA GHCN-Daily, station USC00022782, every year on file, quality-flagged values removed. Cloud, humidity, wind and sunshine: NASA POWER (MERRA-2, CERES and GEWEX SRB), 1991-2020. The data was obtained from the National Aeronautics and Space Administration (NASA) Langley Research Center's Prediction Of Worldwide Energy Resources (POWER) project funded through the NASA Earth Science Division: POWER Daily API v2, accessed 2026-09-25. Sun and moon: computed with the NOAA solar equations and Meeus.