October is close to Penrith's year-round average, with average highs near 23°C and lows around 9.6°C (mean 16.3°C). It is one of the drier months, averaging 76 mm of rainfall and 69% relative humidity across the period.
October is close to Penrith's year-round average. Across 45 years of records, the warmest October in Penrith was 2015 — when the month averaged 19.6°C — while the coldest was 1986 at 13.9°C. Typical October days reach 23°C with nights near 9.6°C. The long-term trend is warming, about 0.7°C per decade.
October is one of the drier months in Penrith, averaging 76 mm of rainfall. The wettest October on record was 2004 with 210 mm, while the driest was 1988 at 4 mm.
Relative humidity in Penrith during October averages 69%. The most humid October was 2022 at 84%, and the least humid was 2002 at 50%.
October receives about 5.7 kWh/m²/day of solar energy in Penrith. The sunniest October was 2013 at 6.9 kWh/m²/day, and the cloudiest was 2022 at 4.4.
Average wind speed in Penrith during October is 1.2 m/s. The windiest October was 2023 at 1.5 m/s, while the calmest were 1999, 2007 and 2011, among others at 1.1 m/s.
Ranked against the other 11 months using 1981–2025 averages.
| Metric | 1980s | 1990s | 2000s | 2010s | 2020s | Change |
|---|---|---|---|---|---|---|
| Avg Temp | 15.2°C | 15.5°C | 16.5°C | 17.0°C | 17.6°C | +2.4°C |
| Avg High | 21.6°C | 22.0°C | 23.4°C | 23.9°C | 24.3°C | +2.7°C |
| Avg Low | 8.9°C | 9.0°C | 9.7°C | 10.1°C | 10.9°C | +2°C |
| Avg Rain | 103 mm | 65 mm | 74 mm | 63 mm | 80 mm | -23 mm |
October temperatures in Penrith have risen by about 2.2°C between 1981–1985 and 2021–2025.
October has ranged from a record low of 1°C (1982) to a record high of 36.2°C (2025).
Rainfall in October is one of the drier months, averaging 76 mm, with a wettest year of 210 mm.
Daytime highs and overnight lows have shifted differently — highs rose about 0.8°C per decade while lows rose 0.5°C per decade, widening the gap between day and night.
A good time to visit Penrith
October is a good time to visit Penrith, with days averaging 23°C and nights around 9.6°C (mean 16.3°C, close to Penrith's yearly average) and moderate rainfall. December and February 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 | 26.4°C | 18.9°C | 11.4°C | 36.2°C | 7.2°C | 40 mm | 61% | 1.3 m/s | 6 |
| 2024 | 25.3°C | 18.0°C | 10.7°C | 33.6°C | 6.7°C | 34 mm | 62% | 1.2 m/s | 5.4 |
| 2023 | 27.3°C | 19.1°C | 11.0°C | 35.6°C | 6.5°C | 25 mm | 50% | 1.5 m/s | 6.4 |
| 2022 | 19.8°C | 15.4°C | 11.0°C | 24.7°C | 5.1°C | 171 mm | 84% | 1.2 m/s | 4.4 |
| 2021 | 23.7°C | 16.7°C | 9.7°C | 31.8°C | 6.4°C | 65 mm | 65% | 1.2 m/s | 6 |
| 2020 | 23.4°C | 17.3°C | 11.3°C | 31.0°C | 5.3°C | 143 mm | 73% | 1.2 m/s | 5.2 |
| 2019 | 26.3°C | 18.1°C | 9.9°C | 35.1°C | 5.7°C | 32 mm | 57% | 1.2 m/s | 6.4 |
| 2018 | 22.4°C | 16.6°C | 10.8°C | 31.4°C | 6.4°C | 131 mm | 75% | 1.3 m/s | 4.8 |
| 2017 | 26.1°C | 18.8°C | 11.5°C | 32.6°C | 6.0°C | 70 mm | 63% | 1.2 m/s | 5.5 |
| 2016 | 23.0°C | 15.8°C | 8.5°C | 30.3°C | 4.9°C | 37 mm | 61% | 1.4 m/s | 6.1 |
| 2015 🔥 | 27.0°C | 19.6°C | 12.3°C | 35.5°C | 8.2°C | 37 mm | 64% | 1.2 m/s | 5.2 |
| 2014 | 23.8°C | 16.9°C | 9.9°C | 33.5°C | 4.1°C | 91 mm | 70% | 1.2 m/s | 6.2 |
| 2013 | 25.3°C | 17.1°C | 8.9°C | 33.3°C | 4.2°C | 25 mm | 57% | 1.2 m/s | 6.9 |
| 2012 | 23.6°C | 16.1°C | 8.6°C | 31.9°C | 3.0°C | 39 mm | 64% | 1.2 m/s | 6.3 |
| 2011 | 20.6°C | 15.0°C | 9.5°C | 30.2°C | 4.5°C | 76 mm | 77% | 1.1 m/s | 5.1 |
| 2010 | 21.0°C | 15.9°C | 10.9°C | 27.8°C | 5.4°C | 91 mm | 78% | 1.2 m/s | 4.5 |
| 2009 | 21.3°C | 15.4°C | 9.5°C | 32.2°C | 4.6°C | 131 mm | 72% | 1.3 m/s | 5.1 |
| 2008 | 24.7°C | 17.4°C | 10.1°C | 34.2°C | 4.3°C | 74 mm | 67% | 1.2 m/s | 5.7 |
| 2007 | 24.8°C | 17.5°C | 10.3°C | 31.9°C | 4.9°C | 26 mm | 64% | 1.1 m/s | 6.1 |
| 2006 | 23.9°C | 16.7°C | 9.5°C | 34.5°C | 4.5°C | 16 mm | 66% | 1.2 m/s | 6 |
| 2005 | 24.9°C | 18.1°C | 11.2°C | 32.7°C | 5.6°C | 74 mm | 66% | 1.3 m/s | 5.2 |
| 2004 🌧️ | 21.9°C | 15.7°C | 9.5°C | 35.2°C | 5.9°C | 210 mm | 73% | 1.3 m/s | 5.7 |
| 2003 | 20.4°C | 14.1°C | 7.8°C | 27.3°C | 2.0°C | 83 mm | 73% | 1.2 m/s | 5.4 |
| 2002 | 26.5°C | 18.4°C | 10.2°C | 34.8°C | 5.3°C | 13 mm | 50% | 1.3 m/s | 6.3 |
| 2001 | 22.3°C | 15.3°C | 8.4°C | 27.6°C | 2.7°C | 41 mm | 65% | 1.3 m/s | 6.4 |
| 2000 | 23.1°C | 16.6°C | 10.1°C | 34.3°C | 5.6°C | 74 mm | 66% | 1.3 m/s | 5.3 |
| 1999 | 22.0°C | 16.3°C | 10.7°C | 28.0°C | 6.1°C | 189 mm | 79% | 1.1 m/s | 5.2 |
| 1998 | 20.8°C | 14.7°C | 8.6°C | 27.7°C | 2.6°C | 46 mm | 75% | 1.2 m/s | 5.8 |
| 1997 | 22.9°C | 16.0°C | 9.2°C | 34.5°C | 3.6°C | 54 mm | 69% | 1.2 m/s | 6.1 |
| 1996 | 21.7°C | 15.4°C | 9.1°C | 28.4°C | 3.4°C | 38 mm | 74% | 1.1 m/s | 5.8 |
| 1995 | 21.5°C | 15.2°C | 9.0°C | 29.8°C | 4.0°C | 58 mm | 75% | 1.2 m/s | 5.6 |
| 1994 | 24.1°C | 16.1°C | 8.1°C | 34.0°C | 3.7°C | 48 mm | 59% | 1.3 m/s | 6 |
| 1993 | 21.5°C | 15.0°C | 8.5°C | 28.5°C | 2.7°C | 70 mm | 72% | 1.2 m/s | 5.8 |
| 1992 | 21.0°C | 15.0°C | 9.1°C | 27.9°C | 3.0°C | 87 mm | 74% | 1.2 m/s | 5.3 |
| 1991 | 24.1°C | 16.9°C | 9.6°C | 33.5°C | 4.8°C | 19 mm | 67% | 1.2 m/s | 6.4 |
| 1990 | 20.6°C | 14.4°C | 8.2°C | 31.6°C | 3.7°C | 41 mm | 77% | 1.2 m/s | 5.9 |
| 1989 | 22.2°C | 15.3°C | 8.4°C | 28.9°C | 3.3°C | 21 mm | 63% | 1.3 m/s | 6.1 |
| 1988 | 24.1°C | 16.7°C | 9.3°C | 34.3°C | 5.5°C | 4 mm | 64% | 1.3 m/s | 6.8 |
| 1987 | 20.0°C | 14.2°C | 8.4°C | 26.9°C | 2.3°C | 209 mm | 77% | 1.2 m/s | 5.4 |
| 1986 ❄️ | 20.2°C | 13.9°C | 7.6°C | 28.6°C | 3.8°C | 66 mm | 71% | 1.2 m/s | 5.7 |
| 1985 | 20.3°C | 15.0°C | 9.7°C | 27.5°C | 4.2°C | 175 mm | 79% | 1.2 m/s | 5.2 |
| 1984 | 21.9°C | 15.3°C | 8.7°C | 30.8°C | 2.6°C | 43 mm | 70% | 1.2 m/s | 5.5 |
| 1983 | 20.7°C | 15.2°C | 9.6°C | 30.7°C | 2.7°C | 175 mm | 80% | 1.2 m/s | — |
| 1982 | 21.5°C | 14.6°C | 7.6°C | 32.0°C | 1.0°C | 56 mm | 69% | 1.2 m/s | — |
| 1981 | 23.3°C | 16.9°C | 10.5°C | 32.2°C | 4.5°C | 174 mm | 69% | 1.3 m/s | — |
Actual recorded October data for each year, 1981–2025 — sourced from NASA POWER.
The average high in October is around 23°C with lows near 9.6°C (mean 16.3°C), based on 45 years of NASA POWER data.
October averages 76 mm of rainfall in Penrith, one of the drier months. The wettest on record was 210 mm in 2004.
The hottest October reached 36.2°C in 2025. The coldest dipped to 1°C in 1982.
Comparing the earliest years on record (1981–1985) with the most recent (2021–2025), average October temperatures have risen by about 2.2°C. Daytime highs moved from 21.5°C to 24.5°C and overnight lows from 9.2°C to 10.8°C over the same span.
October is close to Penrith's year-round average and one of the drier months, so plan for around 23°C daytime highs and 9.6°C at night.
Not quite — October is the 6th coolest month in Penrith, averaging 16.3°C.
For October in Penrith, pack light layers you can adjust through the day, with typical highs of 23°C and lows of 9.6°C. Bring an umbrella or light rain jacket too.
Relative humidity in October averages 69% — moderately humid.
Average wind speed in October is 1.2 m/s. The windiest October on record averaged 1.5 m/s (2023).
The wettest October on record was 2004 with 210 mm. On average, October sees 76 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 Penrith 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.
