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Mesa, AZ Weather on August 25

August 25th in Mesa, AZ typically brings hot summer weather, with average highs around 103°F and lows near 76°F — a 27°F daily swing. Over 54 years of records, the warmest August 25th was in 1985 (98°F average), while the coldest was 1993 (78°F) — a 20°F range across recorded history. Rain or other precipitation has occurred on about 6% of August 25th dates historically, with the wettest August 25th recording 0.75" of rain. Temperatures on this date have remained relatively stable over the past several decades.

By Weather On This Day|
Avg High
103°F
Avg Low
76°F
Record High
115°F
1985
Record Low
68°F
2014
Mesa, AZ on August 25 — Temperature History60°F80°F100°F120°F19801990200020102020HighLow

What to Expect on August 25

Planning for August 25th in Mesa, AZ? Stay hydrated and seek shade during peak afternoon hours.

August 25 Weather Records for Mesa

  • The all-time record high for August 25th in Mesa, AZ is 115°F, set in 1985.
  • The coldest August 25th on record dropped to 68°F in 2014.
  • Temperatures have reached 90°F or higher on August 25th in 50 of the last 54 years.

Frequently Asked Questions

What was the warmest August 25 ever in Mesa?

The warmest August 25 in Mesa, AZ reached 115°F in 1985. That is 12°F above the long-term average high of 103°F.

What was the coldest August 25 ever in Mesa?

The coldest August 25 in Mesa, AZ dropped to 68°F in 2014. That is 8°F below the long-term average low of 76°F.

What is the average temperature on August 25 in Mesa?

On August 25, Mesa averages a high of 103°F and a low of 76°F based on 54 years of NOAA weather observations from MESA.

How many years of weather data are available for August 25 in Mesa?

We have 54 years of weather records for August 25 in Mesa, AZ, sourced from NOAA's Global Historical Climatology Network. Records include daily high and low temperatures, precipitation, and snowfall data going back to 2025.

August 25 Weather History in Mesa

YearHighLowPrecipSnow
2025105°F84°F0"--
2024107°F77°F0"--
2023111°F76°F0"--
2022104°F70°F0"--
2021109°F79°F0"--
2020111°F83°F0"--
2019101°F80°F0"--
2018101°F75°F0"--
2017106°F76°F0"--
2016101°F71°F0"--
2015--72°F0"--
201499°F68°F0"--
2013--76°F0"--
2012101°F73°F0"--
2011111°F81°F0"--
2010103°F79°F0"--
2009102°F75°F0"--
2008104°F80°F0"--
2007--73°F0.2"--
200699°F74°F0"--
2005104°F82°F0"--
200499°F74°F0"--
2003102°F83°F0"--
2002107°F70°F0"--
2001110°F76°F0"--
2000101°F78°F0"--
1999106°F83°F0"--
199899°F80°F0"--
1996105°F82°F0"--
1995102°F75°F0"--
1994105°F84°F0"--
199386°F69°F0.13"--
199294°F70°F0"--
1991102°F82°F0"--
1990100°F69°F0"--
198999°F69°F0"--
1988103°F82°F0"--
1987103°F74°F0"--
1986109°F75°F0"--
1985115°F82°F0"--
1984100°F75°F0"--
1983102°F71°F0"--
1982100°F70°F0.75"--
1981110°F81°F0"--
198094°F70°F0"--
1979106°F72°F0"--
1978102°F73°F0"--
1977101°F78°F0"--
1976107°F79°F0"--
1975105°F71°F0"--
1974102°F70°F0"--
1973106°F75°F0"--
1972102°F68°F0"--
1971100°F78°F0"--

Based on 54 years of data from NOAA station: MESA

Monthly Climate Averages

Historical temperature and precipitation averages for Mesa, AZ, based on 55+ years of weather data.

Warmest MonthJulyAvg High: 105°F / Low: 77°F
Coldest MonthDecemberAvg High: 68°F / Low: 39°F
Jan
68°/ 39°
💧 0.2"
Feb
72°/ 42°
💧 0.2"
Mar
77°/ 47°
💧 0.3"
Apr
85°/ 52°
💧 0.2"
May
94°/ 60°
💧 0.2"
Jun
103°/ 68°
💧 0.1"
Jul
105°/ 77°
💧 0.3"
Aug
104°/ 75°
💧 0.3"
Sep
99°/ 69°
💧 0.3"
Oct
88°/ 57°
💧 0.3"
Nov
76°/ 45°
💧 0.3"
Dec
68°/ 39°
💧 0.2"

Temperatures in Fahrenheit. Precipitation and snowfall in inches.

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