October is close to Griffith's year-round average, with average highs near 24.7°C and lows around 9.5°C (mean 17.1°C). It is about average for rainfall, averaging 40 mm of rainfall and 55% relative humidity across the period.
October is close to Griffith's year-round average. Across 45 years of records, the warmest October in Griffith was 2015 — when the month averaged 21.6°C — while the coldest was 1986 at 13.9°C. Typical October days reach 24.7°C with nights near 9.5°C. The long-term trend is warming, about 0.5°C per decade.
October is about average for rainfall in Griffith, averaging 40 mm of rainfall. The wettest October on record was 2022 with 185 mm, while the driest was 2002 at 0 mm.
Relative humidity in Griffith during October averages 55%. The most humid October was 2022 at 76%, and the least humid was 2006 at 34%.
October receives about 6.3 kWh/m²/day of solar energy in Griffith. The sunniest October was 2006 at 7.2 kWh/m²/day, and the cloudiest was 2022 at 4.8.
Average wind speed in Griffith during October is 2.8 m/s. The windiest Octobers were 2013, 2016 and 2023, among others at 3.2 m/s, while the calmest was 1983 at 2.3 m/s.
Ranked against the other 11 months using 1981–2025 averages.
| Metric | 1980s | 1990s | 2000s | 2010s | 2020s | Change |
|---|---|---|---|---|---|---|
| Avg Temp | 16.1°C | 16.6°C | 17.3°C | 17.9°C | 17.5°C | +1.4°C |
| Avg High | 23.6°C | 24.1°C | 25.1°C | 25.8°C | 24.7°C | +1.1°C |
| Avg Low | 8.6°C | 9.0°C | 9.5°C | 10.2°C | 10.3°C | +1.7°C |
| Avg Rain | 35 mm | 49 mm | 31 mm | 33 mm | 59 mm | +23 mm |
October temperatures in Griffith have risen by about 0.8°C between 1981–1985 and 2021–2025.
October has ranged from a record low of 1.2°C (1989) to a record high of 38°C (2014).
Rainfall in October is about average for rainfall, averaging 40 mm, with a wettest year of 185 mm.
A good time to visit Griffith
October is a good time to visit Griffith, with days averaging 24.7°C and nights around 9.5°C (mean 17.1°C, close to Griffith's yearly average) and moderate rainfall. March and November 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 | 26.0°C | 18.4°C | 10.7°C | 35.1°C | 5.7°C | 18 mm | 49% | 2.7 m/s | 5.9 |
| 2024 | 26.7°C | 18.9°C | 11.1°C | 32.4°C | 6.3°C | 19 mm | 52% | 2.9 m/s | 6.6 |
| 2023 | 25.8°C | 17.8°C | 9.9°C | 36.3°C | 5.3°C | 25 mm | 47% | 3.2 m/s | 6.4 |
| 2022 🌧️ | 21.4°C | 16.0°C | 10.6°C | 27.1°C | 4.6°C | 185 mm | 76% | 3 m/s | 4.8 |
| 2021 | 23.3°C | 16.0°C | 8.7°C | 31.9°C | 5.3°C | 26 mm | 57% | 2.8 m/s | 6.4 |
| 2020 | 25.0°C | 18.0°C | 11.0°C | 32.8°C | 5.2°C | 78 mm | 61% | 2.6 m/s | 5.7 |
| 2019 | 27.3°C | 19.1°C | 10.9°C | 36.4°C | 5.2°C | 6 mm | 42% | 2.6 m/s | 6.7 |
| 2018 | 27.2°C | 19.2°C | 11.2°C | 35.6°C | 6.4°C | 27 mm | 44% | 2.7 m/s | 6.4 |
| 2017 | 26.9°C | 19.0°C | 11.1°C | 32.5°C | 6.0°C | 42 mm | 49% | 2.7 m/s | 6.6 |
| 2016 | 21.2°C | 14.1°C | 7.1°C | 29.4°C | 2.6°C | 33 mm | 65% | 3.2 m/s | 6.3 |
| 2015 🔥 | 29.7°C | 21.6°C | 13.5°C | 35.2°C | 7.8°C | 23 mm | 52% | 2.5 m/s | 6.4 |
| 2014 | 28.0°C | 19.4°C | 10.8°C | 38.0°C | 4.2°C | 17 mm | 48% | 2.8 m/s | 6.7 |
| 2013 | 25.2°C | 16.9°C | 8.6°C | 35.6°C | 3.4°C | 12 mm | 49% | 3.2 m/s | 6.5 |
| 2012 | 25.2°C | 17.0°C | 8.9°C | 35.2°C | 3.7°C | 12 mm | 51% | 2.8 m/s | 6.8 |
| 2011 | 24.6°C | 17.4°C | 10.3°C | 33.8°C | 4.1°C | 26 mm | 60% | 2.7 m/s | 5.9 |
| 2010 | 22.4°C | 15.7°C | 9.1°C | 28.4°C | 3.1°C | 135 mm | 72% | 2.6 m/s | 5.8 |
| 2009 | 25.0°C | 17.7°C | 10.4°C | 35.3°C | 4.0°C | 19 mm | 53% | 2.9 m/s | 6.1 |
| 2008 | 27.6°C | 19.0°C | 10.5°C | 36.2°C | 3.6°C | 21 mm | 44% | 2.8 m/s | 6.8 |
| 2007 | 27.1°C | 19.0°C | 10.9°C | 36.6°C | 5.1°C | 24 mm | 40% | 2.8 m/s | 6.4 |
| 2006 | 27.7°C | 18.7°C | 9.8°C | 37.3°C | 4.3°C | 1 mm | 34% | 2.9 m/s | 7.2 |
| 2005 | 24.2°C | 17.1°C | 9.9°C | 30.6°C | 4.6°C | 66 mm | 60% | 2.7 m/s | 5.7 |
| 2004 | 25.9°C | 17.8°C | 9.7°C | 36.9°C | 4.5°C | 17 mm | 52% | 2.8 m/s | 6.6 |
| 2003 | 21.1°C | 14.2°C | 7.3°C | 30.3°C | 2.3°C | 45 mm | 63% | 2.7 m/s | 6 |
| 2002 | 26.3°C | 18.1°C | 9.8°C | 35.5°C | 5.2°C | 0 mm | 39% | 3.1 m/s | 6.9 |
| 2001 | 22.4°C | 15.3°C | 8.2°C | 30.5°C | 2.7°C | 52 mm | 58% | 3 m/s | 5.7 |
| 2000 | 23.3°C | 16.1°C | 8.8°C | 34.8°C | 4.0°C | 61 mm | 61% | 3 m/s | 6 |
| 1999 | 24.3°C | 17.5°C | 10.7°C | 33.3°C | 6.2°C | 74 mm | 64% | 2.4 m/s | 6 |
| 1998 | 22.3°C | 15.3°C | 8.2°C | 33.2°C | 2.7°C | 32 mm | 59% | 2.8 m/s | 6.1 |
| 1997 | 25.0°C | 17.3°C | 9.5°C | 33.6°C | 3.1°C | 47 mm | 51% | 2.8 m/s | 6.6 |
| 1996 | 25.1°C | 17.0°C | 9.0°C | 33.0°C | 2.9°C | 35 mm | 58% | 2.6 m/s | 6.7 |
| 1995 | 24.5°C | 16.6°C | 8.7°C | 34.2°C | 2.8°C | 50 mm | 58% | 2.8 m/s | 6.2 |
| 1994 | 25.2°C | 17.1°C | 9.0°C | 33.6°C | 3.8°C | 19 mm | 44% | 2.8 m/s | 6.7 |
| 1993 | 21.6°C | 14.7°C | 7.8°C | 29.9°C | 1.6°C | 85 mm | 66% | 2.8 m/s | 6 |
| 1992 | 22.3°C | 15.6°C | 8.8°C | 29.6°C | 2.8°C | 105 mm | 70% | 2.7 m/s | 6.1 |
| 1991 | 26.6°C | 18.3°C | 9.9°C | 34.7°C | 4.3°C | 9 mm | 53% | 2.8 m/s | 7 |
| 1990 | 23.9°C | 16.3°C | 8.6°C | 37.3°C | 2.6°C | 32 mm | 60% | 3 m/s | 6.6 |
| 1989 | 22.4°C | 15.0°C | 7.7°C | 32.1°C | 1.2°C | 38 mm | 62% | 3.1 m/s | 6.4 |
| 1988 | 25.0°C | 17.2°C | 9.4°C | 35.5°C | 5.5°C | 11 mm | 52% | 3.1 m/s | 6.5 |
| 1987 | 23.4°C | 16.0°C | 8.7°C | 33.9°C | 3.3°C | 34 mm | 58% | 2.7 m/s | 6.5 |
| 1986 ❄️ | 20.6°C | 13.9°C | 7.2°C | 27.9°C | 2.9°C | 67 mm | 62% | 3 m/s | 5.7 |
| 1985 | 23.5°C | 16.3°C | 9.1°C | 30.4°C | 4.0°C | 63 mm | 62% | 3.2 m/s | 6.1 |
| 1984 | 24.1°C | 16.4°C | 8.7°C | 32.5°C | 2.5°C | 42 mm | 58% | 2.7 m/s | 6.3 |
| 1983 | 23.1°C | 16.2°C | 9.4°C | 34.8°C | 3.3°C | 42 mm | 67% | 2.3 m/s | — |
| 1982 | 25.0°C | 16.6°C | 8.1°C | 35.4°C | 1.8°C | 5 mm | 39% | 2.9 m/s | — |
| 1981 | 25.6°C | 17.5°C | 9.4°C | 32.0°C | 4.1°C | 18 mm | 56% | 2.8 m/s | — |
Actual recorded October data for each year, 1981–2025 — sourced from NASA POWER.
The average high in October is around 24.7°C with lows near 9.5°C (mean 17.1°C), based on 45 years of NASA POWER data.
October averages 40 mm of rainfall in Griffith, about average for rainfall. The wettest on record was 185 mm in 2022.
The hottest October reached 38°C in 2014. The coldest dipped to 1.2°C in 1989.
Comparing the earliest years on record (1981–1985) with the most recent (2021–2025), average October temperatures have risen by about 0.8°C. Daytime highs moved from 24.3°C to 24.6°C and overnight lows from 8.9°C to 10.2°C over the same span.
October is close to Griffith's year-round average and about average for rainfall, so plan for around 24.7°C daytime highs and 9.5°C at night.
Not quite — October is the 6th coolest month in Griffith, averaging 17.1°C.
For October in Griffith, pack light layers you can adjust through the day, with typical highs of 24.7°C and lows of 9.5°C.
Relative humidity in October averages 55% — moderately humid.
Average wind speed in October is 2.8 m/s. The windiest October on record averaged 3.2 m/s (1985).
The wettest October on record was 2022 with 185 mm. On average, October sees 40 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 Griffith 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.
