October is one of the warmer months of the year in Apache Junction, with average highs near 28.2°C and lows around 13.5°C (mean 20.9°C). It is about average for rainfall, averaging 25 mm of rainfall and 37% relative humidity across the period.
October is one of the warmer months of the year in Apache Junction. Across 45 years of records, the warmest October in Apache Junction was 2024 — when the month averaged 25°C — while the coldest was 1984 at 16.5°C. Typical October days reach 28.2°C with nights near 13.5°C. The long-term trend is warming, about 0.7°C per decade.
October is about average for rainfall in Apache Junction, averaging 25 mm of rainfall. The wettest October on record was 2000 with 107 mm, while the driest were 2017 and 2019 at 0 mm.
Relative humidity in Apache Junction during October averages 37%. The most humid October was 1983 at 59%, and the least humid was 2020 at 19%.
October receives about 4.9 kWh/m²/day of solar energy in Apache Junction. The sunniest October was 2019 at 5.5 kWh/m²/day, and the cloudiest were 2000 and 2018 at 4.3.
Average wind speed in Apache Junction during October is 2.2 m/s. The windiest October was 1998 at 2.6 m/s, while the calmest were 2002, 2014 and 2025 at 1.9 m/s.
Ranked against the other 11 months using 1981–2025 averages.
| Metric | 1980s | 1990s | 2000s | 2010s | 2020s | Change |
|---|---|---|---|---|---|---|
| Avg Temp | 19.6°C | 20.5°C | 20.6°C | 21.5°C | 22.4°C | +2.8°C |
| Avg High | 26.7°C | 28.2°C | 27.9°C | 28.8°C | 29.9°C | +3.2°C |
| Avg Low | 12.5°C | 12.8°C | 13.4°C | 14.3°C | 15.0°C | +2.5°C |
| Avg Rain | 39 mm | 20 mm | 23 mm | 22 mm | 21 mm | -18 mm |
October temperatures in Apache Junction have risen by about 3.6°C between 1981–1985 and 2021–2025.
October has ranged from a record low of -1.6°C (1991) to a record high of 40.5°C (2024).
Rainfall in October is about average for rainfall, averaging 25 mm, with a wettest year of 107 mm.
One of the best times to visit Apache Junction
October is one of the best times to visit Apache Junction. Expect days averaging 28.2°C and nights around 13.5°C (mean 20.9°C) — warmer than Apache Junction's yearly average — with low rainfall (25 mm), so conditions are generally comfortable for sightseeing and outdoor plans.
| Year | Avg High | Avg Temp | Avg Low | Hottest Day | Coldest Day | Rainfall | Humidity | Wind | Solar |
|---|---|---|---|---|---|---|---|---|---|
| 2025 | 28.9°C | 21.9°C | 14.9°C | 34.9°C | 10.2°C | 74 mm | 44% | 1.9 m/s | 4.8 |
| 2024 🔥 | 32.8°C | 25.0°C | 17.2°C | 40.5°C | 6.7°C | 5 mm | 21% | 2 m/s | 5.1 |
| 2023 | 31.0°C | 23.6°C | 16.1°C | 37.2°C | 7.8°C | 2 mm | 28% | 2.1 m/s | 5.3 |
| 2022 | 27.3°C | 20.5°C | 13.7°C | 33.4°C | 4.2°C | 33 mm | 45% | 2 m/s | 4.9 |
| 2021 | 27.4°C | 20.0°C | 12.7°C | 33.0°C | 5.1°C | 12 mm | 39% | 2.2 m/s | 5.1 |
| 2020 | 32.0°C | 23.6°C | 15.3°C | 38.4°C | 2.0°C | 1 mm | 19% | 2 m/s | 5.2 |
| 2019 | 28.2°C | 20.5°C | 12.7°C | 33.6°C | 2.8°C | 0 mm | 27% | 2.4 m/s | 5.5 |
| 2018 | 25.0°C | 19.1°C | 13.3°C | 30.6°C | 6.7°C | 96 mm | 59% | 2.3 m/s | 4.3 |
| 2017 | 31.5°C | 23.7°C | 15.9°C | 36.1°C | 11.7°C | 0 mm | 22% | 2.3 m/s | 5.3 |
| 2016 | 31.1°C | 23.9°C | 16.8°C | 33.8°C | 11.3°C | 8 mm | 32% | 2 m/s | 5 |
| 2015 | 28.4°C | 21.9°C | 15.4°C | 36.9°C | 6.2°C | 43 mm | 48% | 2 m/s | 4.5 |
| 2014 | 29.3°C | 22.1°C | 14.9°C | 33.9°C | 10.4°C | 30 mm | 44% | 1.9 m/s | 4.8 |
| 2013 | 27.1°C | 19.2°C | 11.3°C | 32.4°C | 4.7°C | 4 mm | 28% | 2.3 m/s | 5.4 |
| 2012 | 29.7°C | 22.0°C | 14.3°C | 36.1°C | 8.2°C | 4 mm | 27% | 2 m/s | 5.3 |
| 2011 | 29.7°C | 21.9°C | 14.1°C | 35.8°C | 6.9°C | 15 mm | 29% | 2.1 m/s | 5.1 |
| 2010 | 27.7°C | 20.9°C | 14.2°C | 37.3°C | 7.7°C | 26 mm | 46% | 2.1 m/s | 4.9 |
| 2009 | 26.5°C | 19.1°C | 11.6°C | 35.0°C | 0.7°C | 1 mm | 27% | 2.2 m/s | 5.2 |
| 2008 | 29.0°C | 20.9°C | 12.8°C | 34.0°C | 2.6°C | 12 mm | 29% | 2.5 m/s | 5.2 |
| 2007 | 28.7°C | 21.0°C | 13.3°C | 33.8°C | 6.8°C | 3 mm | 29% | 2.4 m/s | 5.2 |
| 2006 | 26.1°C | 19.2°C | 12.3°C | 33.6°C | 4.9°C | 31 mm | 43% | 2.1 m/s | 4.8 |
| 2005 | 28.4°C | 21.4°C | 14.4°C | 35.0°C | 9.7°C | 15 mm | 39% | 2.2 m/s | 4.9 |
| 2004 | 26.4°C | 19.3°C | 12.1°C | 33.2°C | 3.9°C | 30 mm | 43% | 2.2 m/s | 4.9 |
| 2003 | 32.0°C | 24.2°C | 16.4°C | 38.1°C | 8.2°C | 7 mm | 29% | 2.1 m/s | 4.9 |
| 2002 | 26.6°C | 19.9°C | 13.1°C | 32.4°C | 6.6°C | 9 mm | 35% | 1.9 m/s | 4.8 |
| 2001 | 29.5°C | 22.2°C | 14.8°C | 33.6°C | 7.4°C | 15 mm | 32% | 2 m/s | 4.8 |
| 2000 🌧️ | 25.3°C | 19.0°C | 12.7°C | 36.8°C | 3.9°C | 107 mm | 51% | 2.3 m/s | 4.3 |
| 1999 | 31.5°C | 22.7°C | 13.9°C | 36.1°C | 6.0°C | 0 mm | 20% | 2.4 m/s | 5.3 |
| 1998 | 27.4°C | 20.0°C | 12.6°C | 35.9°C | 5.5°C | 20 mm | 34% | 2.6 m/s | 4.9 |
| 1997 | 27.1°C | 19.2°C | 11.3°C | 37.8°C | 1.3°C | 26 mm | 35% | 2.3 m/s | 5 |
| 1996 | 27.2°C | 19.7°C | 12.2°C | 36.7°C | 1.1°C | 11 mm | 37% | 2.2 m/s | 4.9 |
| 1995 | 29.8°C | 21.4°C | 13.0°C | 35.1°C | 7.3°C | 1 mm | 27% | 2.2 m/s | 5.2 |
| 1994 | 26.1°C | 19.0°C | 11.8°C | 31.0°C | 3.2°C | 47 mm | 39% | 2.1 m/s | 4.9 |
| 1993 | 26.7°C | 19.6°C | 12.6°C | 35.8°C | 4.8°C | 39 mm | 42% | 2.2 m/s | 4.8 |
| 1992 | 28.9°C | 21.4°C | 13.9°C | 34.3°C | 8.8°C | 21 mm | 35% | 2.1 m/s | 4.8 |
| 1991 | 29.0°C | 21.7°C | 14.3°C | 35.9°C | -1.6°C | 30 mm | 31% | 2.1 m/s | 4.8 |
| 1990 | 28.4°C | 20.4°C | 12.3°C | 32.9°C | 5.7°C | 5 mm | 37% | 2.2 m/s | 5.1 |
| 1989 | 27.1°C | 19.8°C | 12.5°C | 32.8°C | 3.3°C | 32 mm | 40% | 2.2 m/s | 4.8 |
| 1988 | 29.9°C | 22.7°C | 15.6°C | 34.7°C | 11.8°C | 37 mm | 44% | 2.1 m/s | 4.7 |
| 1987 | 29.1°C | 22.3°C | 15.4°C | 36.2°C | 11.7°C | 48 mm | 38% | 2 m/s | 4.6 |
| 1986 | 25.8°C | 18.5°C | 11.2°C | 30.2°C | 5.3°C | 48 mm | 46% | 2.2 m/s | 4.7 |
| 1985 | 26.2°C | 19.2°C | 12.2°C | 33.2°C | 9.0°C | 44 mm | 52% | 2.2 m/s | 4.5 |
| 1984 ❄️ | 23.2°C | 16.5°C | 9.8°C | 30.2°C | 2.6°C | 53 mm | 54% | 2 m/s | 4.4 |
| 1983 | 26.2°C | 19.8°C | 13.4°C | 29.1°C | 10.6°C | 50 mm | 59% | 2.1 m/s | — |
| 1982 | 27.4°C | 19.2°C | 11.0°C | 32.1°C | 4.5°C | 2 mm | 29% | 2.5 m/s | — |
| 1981 | 25.7°C | 18.4°C | 11.0°C | 30.3°C | 5.1°C | 40 mm | 44% | 2.4 m/s | — |
Actual recorded October data for each year, 1981–2025 — sourced from NASA POWER.
The average high in October is around 28.2°C with lows near 13.5°C (mean 20.9°C), based on 45 years of NASA POWER data.
October averages 25 mm of rainfall in Apache Junction, about average for rainfall. The wettest on record was 107 mm in 2000.
The hottest October reached 40.5°C in 2024. The coldest dipped to -1.6°C in 1991.
Comparing the earliest years on record (1981–1985) with the most recent (2021–2025), average October temperatures have risen by about 3.6°C. Daytime highs moved from 25.7°C to 29.5°C and overnight lows from 11.5°C to 14.9°C over the same span.
October is one of the warmer months of the year in Apache Junction and about average for rainfall, so plan for around 28.2°C daytime highs and 13.5°C at night.
Not quite — October is the 7th coolest month in Apache Junction, averaging 20.9°C.
For October in Apache Junction, pack light layers you can adjust through the day, with typical highs of 28.2°C and lows of 13.5°C.
Relative humidity in October averages 37% — relatively dry.
Average wind speed in October is 2.2 m/s. The windiest October on record averaged 2.6 m/s (1998).
The wettest October on record was 2000 with 107 mm. On average, October sees 25 mm.
All figures are derived from NASA POWER (Prediction Of Worldwide Energy Resources), based on MERRA-2 satellite reanalysis, covering 1981–2025.
Explore how the weather in Apache Junction behaves each October, based on 45 years of NASA POWER climate data from 1981 to 2025. This page breaks down average temperatures, rainfall, humidity, wind and solar radiation for October specifically, along with year-by-year records and how the month has changed over the decades.
