October is one of the cooler months of the year in Scottsdale, with average highs near 14.1°C and lows around 8.1°C (mean 11.1°C). It is about average for rainfall, averaging 75 mm of rainfall and 82% relative humidity across the period.
October is one of the cooler months of the year in Scottsdale. Across 45 years of records, the warmest October in Scottsdale was 2015 — when the month averaged 12.4°C — while the coldest was 2003 at 10°C. Typical October days reach 14.1°C with nights near 8.1°C. The long-term trend is warming, about 0.2°C per decade.
October is about average for rainfall in Scottsdale, averaging 75 mm of rainfall. The wettest October on record was 2022 with 249 mm, while the driest was 2015 at 11 mm.
Relative humidity in Scottsdale during October averages 82%. The most humid October was 2005 at 85%, and the least humid was 2006 at 76%.
October receives about 5.2 kWh/m²/day of solar energy in Scottsdale. The sunniest October was 2024 at 5.9 kWh/m²/day, and the cloudiest was 2022 at 4.6.
Average wind speed in Scottsdale during October is 3.8 m/s. The windiest October was 1988 at 6 m/s, while the calmest were 2009 and 2015 at 2.9 m/s.
Ranked against the other 11 months using 1981–2025 averages.
| Metric | 1980s | 1990s | 2000s | 2010s | 2020s | Change |
|---|---|---|---|---|---|---|
| Avg Temp | 10.8°C | 10.9°C | 11.1°C | 11.4°C | 11.3°C | +0.5°C |
| Avg High | 13.8°C | 13.9°C | 14.0°C | 14.5°C | 14.2°C | +0.4°C |
| Avg Low | 7.8°C | 7.9°C | 8.1°C | 8.3°C | 8.3°C | +0.5°C |
| Avg Rain | 72 mm | 61 mm | 71 mm | 58 mm | 136 mm | +64 mm |
October temperatures in Scottsdale have risen by about 0.4°C between 1981–1985 and 2021–2025.
October has ranged from a record low of 2.4°C (1983) to a record high of 20.5°C (2000).
Rainfall in October is about average for rainfall, averaging 75 mm, with a wettest year of 249 mm.
A good time to visit Scottsdale
October is a good time to visit Scottsdale, with days averaging 14.1°C and nights around 8.1°C (mean 11.1°C, cooler than Scottsdale's yearly average) and moderate rainfall. February and January are marginally more temperate, but October still suits most travellers.
| Year | Avg High | Avg Temp | Avg Low | Hottest Day | Coldest Day | Rainfall | Humidity | Wind | Solar |
|---|---|---|---|---|---|---|---|---|---|
| 2025 | 13.4°C | 10.7°C | 8.0°C | 16.0°C | 4.0°C | 124 mm | 79% | 4.9 m/s | 5.5 |
| 2024 | 14.8°C | 11.5°C | 8.3°C | 19.3°C | 4.5°C | 72 mm | 80% | 3.9 m/s | 5.9 |
| 2023 | 14.8°C | 11.5°C | 8.2°C | 19.5°C | 5.4°C | 65 mm | 77% | 4 m/s | 5.4 |
| 2022 🌧️ | 14.1°C | 11.5°C | 8.9°C | 17.2°C | 4.9°C | 249 mm | 84% | 4.2 m/s | 4.6 |
| 2021 | 14.1°C | 11.3°C | 8.4°C | 18.0°C | 4.9°C | 174 mm | 84% | 3.9 m/s | 4.8 |
| 2020 | 13.9°C | 11.1°C | 8.2°C | 16.6°C | 3.8°C | 131 mm | 84% | 3.4 m/s | 5 |
| 2019 | 14.4°C | 11.3°C | 8.1°C | 19.0°C | 6.0°C | 43 mm | 81% | 3.5 m/s | 5.3 |
| 2018 | 15.0°C | 11.9°C | 8.8°C | 18.6°C | 4.0°C | 40 mm | 81% | 3 m/s | 5.1 |
| 2017 | 15.3°C | 12.1°C | 9.0°C | 20.2°C | 6.2°C | 51 mm | 82% | 3.6 m/s | 5.5 |
| 2016 | 13.1°C | 10.3°C | 7.4°C | 16.3°C | 3.9°C | 104 mm | 81% | 4.7 m/s | 5.2 |
| 2015 🔥 | 16.1°C | 12.4°C | 8.6°C | 18.5°C | 5.3°C | 11 mm | 79% | 2.9 m/s | 5.7 |
| 2014 | 14.8°C | 11.7°C | 8.5°C | 18.7°C | 4.7°C | 59 mm | 80% | 4 m/s | 5.2 |
| 2013 | 13.6°C | 10.9°C | 8.1°C | 17.8°C | 4.5°C | 84 mm | 82% | 4.8 m/s | 5 |
| 2012 | 14.0°C | 10.9°C | 7.7°C | 17.5°C | 4.8°C | 27 mm | 82% | 3.3 m/s | 5.3 |
| 2011 | 14.2°C | 11.1°C | 8.0°C | 17.8°C | 4.0°C | 70 mm | 81% | 3 m/s | 5.1 |
| 2010 | 14.3°C | 11.3°C | 8.4°C | 17.1°C | 3.3°C | 93 mm | 84% | 3.7 m/s | 5 |
| 2009 | 13.9°C | 10.8°C | 7.6°C | 19.4°C | 4.2°C | 47 mm | 81% | 2.9 m/s | 5.2 |
| 2008 | 14.9°C | 11.7°C | 8.4°C | 18.6°C | 4.8°C | 22 mm | 79% | 3.5 m/s | 5.1 |
| 2007 | 13.6°C | 10.8°C | 8.0°C | 17.2°C | 4.6°C | 61 mm | 82% | 4.3 m/s | 5.2 |
| 2006 | 14.1°C | 10.7°C | 7.3°C | 18.8°C | 4.3°C | 22 mm | 76% | 4 m/s | 5.7 |
| 2005 | 14.5°C | 11.9°C | 9.2°C | 19.1°C | 5.4°C | 128 mm | 85% | 4 m/s | 5 |
| 2004 | 14.5°C | 11.5°C | 8.5°C | 17.3°C | 3.1°C | 70 mm | 81% | 3.6 m/s | 5.5 |
| 2003 ❄️ | 13.1°C | 10.0°C | 7.0°C | 16.4°C | 3.5°C | 50 mm | 81% | 3.7 m/s | 5.2 |
| 2002 | 13.9°C | 11.1°C | 8.4°C | 16.3°C | 5.1°C | 81 mm | 81% | 4.3 m/s | 4.7 |
| 2001 | 13.9°C | 11.3°C | 8.6°C | 18.6°C | 4.1°C | 134 mm | 83% | 3.7 m/s | 4.7 |
| 2000 | 13.7°C | 10.9°C | 8.1°C | 20.5°C | 4.3°C | 93 mm | 82% | 4 m/s | 5 |
| 1999 | 15.0°C | 12.1°C | 9.3°C | 17.7°C | 4.6°C | 34 mm | 81% | 3.5 m/s | 5 |
| 1998 | 13.0°C | 10.1°C | 7.3°C | 15.8°C | 4.1°C | 87 mm | 81% | 4.1 m/s | 5.2 |
| 1997 | 14.1°C | 10.9°C | 7.6°C | 19.7°C | 2.8°C | 56 mm | 81% | 3.9 m/s | 5.1 |
| 1996 | 13.7°C | 11.0°C | 8.3°C | 16.3°C | 4.7°C | 61 mm | 84% | 4 m/s | 5.3 |
| 1995 | 13.4°C | 10.2°C | 7.0°C | 16.1°C | 3.5°C | 51 mm | 80% | 3.6 m/s | 5.4 |
| 1994 | 14.0°C | 10.8°C | 7.6°C | 18.6°C | 3.8°C | 57 mm | 81% | 3.4 m/s | 5.5 |
| 1993 | 13.3°C | 10.6°C | 7.9°C | 16.1°C | 3.8°C | 70 mm | 82% | 4.1 m/s | 5.1 |
| 1992 | 14.2°C | 11.0°C | 7.9°C | 17.7°C | 3.7°C | 82 mm | 83% | 3.2 m/s | 5.1 |
| 1991 | 14.3°C | 11.1°C | 7.9°C | 17.0°C | 3.9°C | 34 mm | 82% | 3.7 m/s | 5.6 |
| 1990 | 14.2°C | 11.1°C | 8.0°C | 18.5°C | 3.7°C | 81 mm | 83% | 3.2 m/s | 5.2 |
| 1989 | 13.5°C | 10.7°C | 7.8°C | 16.6°C | 3.7°C | 123 mm | 83% | 4.1 m/s | 5.1 |
| 1988 | 13.0°C | 10.7°C | 8.4°C | 16.1°C | 5.5°C | 89 mm | 83% | 6 m/s | 4.8 |
| 1987 | 14.3°C | 10.9°C | 7.6°C | 19.7°C | 4.1°C | 64 mm | 81% | 3.5 m/s | 5.1 |
| 1986 | 13.1°C | 10.2°C | 7.2°C | 17.8°C | 4.8°C | 141 mm | 84% | 4 m/s | 4.8 |
| 1985 | 14.4°C | 11.3°C | 8.2°C | 17.2°C | 4.3°C | 51 mm | 81% | 3.7 m/s | 5 |
| 1984 | 13.7°C | 10.7°C | 7.8°C | 16.1°C | 2.6°C | 43 mm | 84% | 3.7 m/s | 5.3 |
| 1983 | 13.9°C | 10.6°C | 7.4°C | 17.2°C | 2.4°C | 46 mm | 84% | 3.1 m/s | — |
| 1982 | 14.4°C | 11.0°C | 7.6°C | 19.5°C | 4.7°C | 24 mm | 78% | 3.8 m/s | — |
| 1981 | 14.1°C | 11.1°C | 8.1°C | 18.5°C | 4.1°C | 63 mm | 83% | 4 m/s | — |
Actual recorded October data for each year, 1981–2025 — sourced from NASA POWER.
The average high in October is around 14.1°C with lows near 8.1°C (mean 11.1°C), based on 45 years of NASA POWER data.
October averages 75 mm of rainfall in Scottsdale, about average for rainfall. The wettest on record was 249 mm in 2022.
The hottest October reached 20.5°C in 2000. The coldest dipped to 2.4°C in 1983.
Comparing the earliest years on record (1981–1985) with the most recent (2021–2025), average October temperatures have risen by about 0.4°C. Daytime highs moved from 14.1°C to 14.2°C and overnight lows from 7.8°C to 8.4°C over the same span.
October is one of the cooler months of the year in Scottsdale and about average for rainfall, so plan for around 14.1°C daytime highs and 8.1°C at night.
Not quite — October is the 5th coolest month in Scottsdale, averaging 11.1°C.
For October in Scottsdale, pack light layers you can adjust through the day, with typical highs of 14.1°C and lows of 8.1°C. Bring an umbrella or light rain jacket too.
Relative humidity in October averages 82% — quite humid.
Average wind speed in October is 3.8 m/s. The windiest October on record averaged 6 m/s (1988).
The wettest October on record was 2022 with 249 mm. On average, October sees 75 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 Scottsdale 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.
