October is one of the cooler months of the year in Port Denison, with average highs near 24.1°C and lows around 14.1°C (mean 19.1°C). It is one of the drier months, averaging 18 mm of rainfall and 65% relative humidity across the period.
October is one of the cooler months of the year in Port Denison. Across 45 years of records, the warmest October in Port Denison was 2023 — when the month averaged 21.8°C — while the coldest was 1986 at 16.5°C. Typical October days reach 24.1°C with nights near 14.1°C. The long-term trend is warming, about 0.3°C per decade.
October is one of the drier months in Port Denison, averaging 18 mm of rainfall. The wettest October on record was 2011 with 64 mm, while the driest was 2020 at 1 mm.
Relative humidity in Port Denison during October averages 65%. The most humid October was 2011 at 71%, and the least humid was 2010 at 56%.
October receives about 6.8 kWh/m²/day of solar energy in Port Denison. The sunniest October was 2000 at 7.3 kWh/m²/day, and the cloudiest was 2011 at 6.3.
Average wind speed in Port Denison during October is 4.4 m/s. The windiest October was 2010 at 4.9 m/s, while the calmest was 2015 at 3.6 m/s.
Ranked against the other 11 months using 1981–2025 averages.
| Metric | 1980s | 1990s | 2000s | 2010s | 2020s | Change |
|---|---|---|---|---|---|---|
| Avg Temp | 18.8°C | 18.7°C | 18.9°C | 19.8°C | 19.8°C | +1°C |
| Avg High | 23.7°C | 23.7°C | 23.9°C | 24.9°C | 24.8°C | +1.1°C |
| Avg Low | 13.8°C | 13.7°C | 13.8°C | 14.7°C | 14.8°C | +1°C |
| Avg Rain | 19 mm | 22 mm | 19 mm | 15 mm | 9 mm | -10 mm |
October temperatures in Port Denison have risen by about 0.3°C between 1981–1985 and 2021–2025.
October has ranged from a record low of 7.6°C (1992) to a record high of 36.7°C (2023).
Rainfall in October is one of the drier months, averaging 18 mm, with a wettest year of 64 mm.
One of the best times to visit Port Denison
October is one of the best times to visit Port Denison. Expect days averaging 24.1°C and nights around 14.1°C (mean 19.1°C) — cooler than Port Denison's yearly average — with low rainfall (18 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 | 23.9°C | 19.1°C | 14.4°C | 30.9°C | 11.4°C | 10 mm | 67% | 4.3 m/s | 7.1 |
| 2024 | 25.6°C | 20.5°C | 15.4°C | 35.6°C | 12.9°C | 24 mm | 65% | 4.2 m/s | 6.7 |
| 2023 🔥 | 27.8°C | 21.8°C | 15.9°C | 36.7°C | 12.3°C | 2 mm | 56% | 4.4 m/s | 7.1 |
| 2022 | 22.9°C | 18.3°C | 13.6°C | 27.8°C | 10.7°C | 9 mm | 65% | 4.6 m/s | 7 |
| 2021 | 22.9°C | 18.3°C | 13.7°C | 31.5°C | 10.2°C | 11 mm | 63% | 4.7 m/s | 6.8 |
| 2020 | 25.7°C | 20.6°C | 15.5°C | 33.9°C | 11.1°C | 1 mm | 62% | 4.6 m/s | 7 |
| 2019 | 25.0°C | 19.8°C | 14.6°C | 33.3°C | 12.0°C | 15 mm | 66% | 4.4 m/s | 7.1 |
| 2018 | 24.1°C | 19.7°C | 15.3°C | 31.0°C | 11.9°C | 17 mm | 69% | 4.2 m/s | 6.7 |
| 2017 | 24.4°C | 19.2°C | 14.0°C | 32.3°C | 10.3°C | 7 mm | 63% | 4.5 m/s | 6.8 |
| 2016 | 23.4°C | 18.3°C | 13.2°C | 31.7°C | 10.9°C | 9 mm | 64% | 4.6 m/s | 7.2 |
| 2015 | 26.5°C | 21.2°C | 16.0°C | 32.7°C | 10.9°C | 3 mm | 64% | 3.6 m/s | 6.7 |
| 2014 | 24.9°C | 20.0°C | 15.1°C | 33.7°C | 10.7°C | 9 mm | 68% | 4.1 m/s | 6.7 |
| 2013 | 25.0°C | 19.6°C | 14.2°C | 32.6°C | 9.8°C | 18 mm | 66% | 3.9 m/s | 7.1 |
| 2012 | 25.2°C | 20.1°C | 15.1°C | 33.6°C | 11.8°C | 8 mm | 62% | 4.3 m/s | 6.8 |
| 2011 🌧️ | 24.0°C | 19.6°C | 15.1°C | 30.6°C | 12.1°C | 64 mm | 71% | 3.9 m/s | 6.3 |
| 2010 | 26.0°C | 20.1°C | 14.3°C | 31.6°C | 11.3°C | 2 mm | 56% | 4.9 m/s | 7.1 |
| 2009 | 24.7°C | 19.5°C | 14.3°C | 33.8°C | 8.9°C | 12 mm | 68% | 4.2 m/s | 6.7 |
| 2008 | 24.6°C | 19.5°C | 14.4°C | 34.9°C | 9.2°C | 35 mm | 65% | 4.5 m/s | 6.6 |
| 2007 | 23.8°C | 19.0°C | 14.1°C | 31.7°C | 11.4°C | 24 mm | 66% | 4.8 m/s | 6.7 |
| 2006 | 25.7°C | 20.3°C | 14.9°C | 34.1°C | 11.5°C | 8 mm | 64% | 4.4 m/s | 6.5 |
| 2005 | 21.5°C | 17.1°C | 12.8°C | 28.4°C | 8.5°C | 20 mm | 69% | 4.4 m/s | 6.6 |
| 2004 | 24.0°C | 19.0°C | 14.0°C | 30.3°C | 10.5°C | 10 mm | 70% | 4.4 m/s | 6.8 |
| 2003 | 23.3°C | 18.1°C | 13.0°C | 31.8°C | 10.3°C | 8 mm | 68% | 4.5 m/s | 7 |
| 2002 | 22.5°C | 17.9°C | 13.2°C | 32.2°C | 9.1°C | 25 mm | 69% | 4.2 m/s | 6.9 |
| 2001 | 23.6°C | 18.4°C | 13.1°C | 29.5°C | 10.2°C | 44 mm | 65% | 4.8 m/s | 6.8 |
| 2000 | 25.4°C | 19.9°C | 14.4°C | 32.5°C | 10.9°C | 6 mm | 62% | 4.7 m/s | 7.3 |
| 1999 | 23.5°C | 18.5°C | 13.4°C | 30.7°C | 10.4°C | 38 mm | 67% | 4.7 m/s | 7.1 |
| 1998 | 23.5°C | 18.7°C | 13.9°C | 30.7°C | 10.1°C | 12 mm | 66% | 4.4 m/s | 6.6 |
| 1997 | 24.6°C | 19.5°C | 14.5°C | 28.9°C | 10.0°C | 20 mm | 64% | 4.7 m/s | 6.9 |
| 1996 | 24.8°C | 19.6°C | 14.3°C | 35.8°C | 10.7°C | 11 mm | 63% | 4.6 m/s | 6.8 |
| 1995 | 24.5°C | 19.3°C | 14.2°C | 29.9°C | 11.0°C | 28 mm | 63% | 4.1 m/s | 7.1 |
| 1994 | 24.4°C | 19.0°C | 13.6°C | 30.8°C | 8.1°C | 14 mm | 62% | 4.4 m/s | 7 |
| 1993 | 21.9°C | 17.2°C | 12.4°C | 29.4°C | 9.5°C | 12 mm | 67% | 4.3 m/s | 6.9 |
| 1992 | 23.2°C | 18.2°C | 13.2°C | 32.5°C | 7.6°C | 19 mm | 68% | 4.2 m/s | 6.8 |
| 1991 | 24.0°C | 19.1°C | 14.3°C | 31.7°C | 9.9°C | 20 mm | 68% | 4.5 m/s | 6.6 |
| 1990 | 22.3°C | 17.7°C | 13.2°C | 29.9°C | 9.8°C | 44 mm | 70% | 4.2 m/s | 6.8 |
| 1989 | 21.7°C | 17.4°C | 13.1°C | 26.7°C | 9.8°C | 29 mm | 66% | 4.5 m/s | 6.5 |
| 1988 | 23.6°C | 18.8°C | 14.0°C | 33.3°C | 10.6°C | 20 mm | 69% | 4.2 m/s | 6.7 |
| 1987 | 24.6°C | 19.6°C | 14.6°C | 31.2°C | 11.0°C | 27 mm | 65% | 4.5 m/s | 6.7 |
| 1986 ❄️ | 20.8°C | 16.5°C | 12.1°C | 27.3°C | 8.9°C | 22 mm | 68% | 4.1 m/s | 6.8 |
| 1985 | 23.6°C | 18.6°C | 13.5°C | 31.5°C | 10.0°C | 9 mm | 62% | 4.8 m/s | 7.1 |
| 1984 | 23.8°C | 19.0°C | 14.2°C | 32.2°C | 10.4°C | 19 mm | 65% | 4.1 m/s | 6.7 |
| 1983 | 25.2°C | 19.6°C | 14.1°C | 32.9°C | 11.1°C | 5 mm | 61% | 4.5 m/s | — |
| 1982 | 25.0°C | 19.9°C | 14.8°C | 31.2°C | 10.8°C | 26 mm | 63% | 4.6 m/s | — |
| 1981 | 25.0°C | 19.4°C | 13.8°C | 32.5°C | 9.8°C | 14 mm | 62% | 4.4 m/s | — |
Actual recorded October data for each year, 1981–2025 — sourced from NASA POWER.
The average high in October is around 24.1°C with lows near 14.1°C (mean 19.1°C), based on 45 years of NASA POWER data.
October averages 18 mm of rainfall in Port Denison, one of the drier months. The wettest on record was 64 mm in 2011.
The hottest October reached 36.7°C in 2023. The coldest dipped to 7.6°C in 1992.
Comparing the earliest years on record (1981–1985) with the most recent (2021–2025), average October temperatures have risen by about 0.3°C. Daytime highs moved from 24.5°C to 24.6°C and overnight lows from 14.1°C to 14.6°C over the same span.
October is one of the cooler months of the year in Port Denison and one of the drier months, so plan for around 24.1°C daytime highs and 14.1°C at night.
Not quite — October is the 5th coolest month in Port Denison, averaging 19.1°C.
For October in Port Denison, pack light layers you can adjust through the day, with typical highs of 24.1°C and lows of 14.1°C.
Relative humidity in October averages 65% — moderately humid.
Average wind speed in October is 4.4 m/s. The windiest October on record averaged 4.9 m/s (2010).
The wettest October on record was 2011 with 64 mm. On average, October sees 18 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 Port Denison 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.
