Michael D Beckwith / CC BY 2.0
Tempe, AZ Weather on August 12
August 12th in Tempe, AZ typically brings hot summer weather, with average highs around 104°F and lows near 76°F — a 28°F daily swing. Over 55 years of records, the warmest August 12th was in 2003 (100°F average), while the coldest was 2014 (83°F) — a 17°F range across recorded history. Rain or other precipitation has occurred on about 20% of August 12th dates historically, with the wettest August 12th recording 1.2" of rain. The last decade has been 1.7°F cooler on this date compared to 20-30 years ago.
What to Expect on August 12
Planning for August 12th in Tempe, AZ? Stay hydrated and seek shade during peak afternoon hours.
August 12 Weather Records for Tempe
- •The all-time record high for August 12th in Tempe, AZ is 113°F, set in 2007.
- •The coldest August 12th on record dropped to 62°F in 1974.
- •Temperatures have reached 90°F or higher on August 12th in 54 of the last 55 years.
- •Last year (1971), August 12th was 6°F cooler than the long-term average.
Frequently Asked Questions
What was the warmest August 12 ever in Tempe?
The warmest August 12 in Tempe, AZ reached 113°F in 2007. That is 9°F above the long-term average high of 104°F.
What was the coldest August 12 ever in Tempe?
The coldest August 12 in Tempe, AZ dropped to 62°F in 1974. That is 14°F below the long-term average low of 76°F.
What is the average temperature on August 12 in Tempe?
On August 12, Tempe averages a high of 104°F and a low of 76°F based on 55 years of NOAA weather observations from TEMPE ASU.
How many years of weather data are available for August 12 in Tempe?
We have 55 years of weather records for August 12 in Tempe, 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 12 Weather History in Tempe
| Year | High | Low | Precip | Snow |
|---|---|---|---|---|
| 2025 | 111°F | 84°F | 0" | -- |
| 2024 | 106°F | 83°F | 0" | -- |
| 2023 | 105°F | 78°F | 0" | -- |
| 2022 | 105°F | 70°F | 0.03" | -- |
| 2021 | 98°F | 70°F | 0" | -- |
| 2020 | 108°F | 80°F | 0" | -- |
| 2019 | 105°F | 76°F | 0" | -- |
| 2018 | -- | 76°F | 0" | -- |
| 2017 | 105°F | 78°F | 0.12" | -- |
| 2016 | 103°F | 78°F | 0" | -- |
| 2015 | 105°F | 72°F | 0.13" | -- |
| 2014 | 97°F | 69°F | 0.57" | -- |
| 2013 | 106°F | 71°F | 0" | -- |
| 2012 | 112°F | 79°F | 0" | -- |
| 2011 | 99°F | 77°F | 0" | -- |
| 2010 | 107°F | 78°F | 0" | -- |
| 2009 | 105°F | 77°F | 0" | -- |
| 2008 | 104°F | 77°F | 0" | -- |
| 2007 | 113°F | 84°F | 0" | -- |
| 2006 | 100°F | 70°F | 1.2" | -- |
| 2005 | 100°F | 80°F | 0" | -- |
| 2004 | 107°F | 82°F | 0" | -- |
| 2003 | 110°F | 90°F | 0" | -- |
| 2002 | 105°F | 83°F | 0" | -- |
| 2001 | 103°F | 81°F | 0" | -- |
| 2000 | 105°F | 81°F | 0.02" | -- |
| 1999 | 102°F | 72°F | 0" | -- |
| 1998 | 102°F | 79°F | 0" | -- |
| 1997 | 102°F | 77°F | 0" | -- |
| 1996 | 113°F | 83°F | 0" | -- |
| 1995 | 103°F | 74°F | 0.11" | -- |
| 1994 | 108°F | 82°F | 0" | -- |
| 1993 | 107°F | 71°F | 0" | -- |
| 1992 | 104°F | 76°F | 0.12" | -- |
| 1991 | 98°F | 77°F | 0" | -- |
| 1990 | 101°F | 71°F | 0.76" | -- |
| 1989 | 102°F | 81°F | 0" | -- |
| 1988 | 104°F | 80°F | 0" | -- |
| 1987 | 99°F | 74°F | 0" | -- |
| 1986 | 102°F | 82°F | 0" | -- |
| 1985 | 101°F | 77°F | 0" | -- |
| 1984 | 102°F | 77°F | 0" | -- |
| 1983 | 102°F | 78°F | 0" | -- |
| 1982 | 96°F | 72°F | 0.92" | -- |
| 1981 | 98°F | 77°F | 0" | -- |
| 1980 | 108°F | 75°F | 0" | -- |
| 1979 | 110°F | 72°F | 0.2" | -- |
| 1978 | 101°F | 69°F | 0" | -- |
| 1977 | 104°F | 77°F | 0" | -- |
| 1976 | 108°F | 68°F | 0" | -- |
| 1975 | 100°F | 74°F | 0" | -- |
| 1974 | 107°F | 62°F | 0" | -- |
| 1973 | 108°F | 74°F | 0" | -- |
| 1972 | 102°F | 75°F | 0" | -- |
| 1971 | 98°F | 73°F | 0" | -- |
Based on 55 years of data from NOAA station: TEMPE ASU
Monthly Climate Averages
Historical temperature and precipitation averages for Tempe, AZ, based on 55+ years of weather data.
Temperatures in Fahrenheit. Precipitation and snowfall in inches.