October is one of the cooler months of the year in Westport, with average highs near 12.4°C and lows around 5.5°C (mean 9°C). It is a relatively wet time of year, averaging 178 mm of rainfall and 86% relative humidity across the period.
October is one of the cooler months of the year in Westport. Across 45 years of records, the warmest October in Westport was 2001 — when the month averaged 10.6°C — while the coldest was 1982 at 7.2°C. Typical October days reach 12.4°C with nights near 5.5°C. The long-term October temperature trend is broadly flat.
October is a relatively wet time of year in Westport, averaging 178 mm of rainfall. The wettest October on record was 1988 with 300 mm, while the driest was 1985 at 83 mm.
Relative humidity in Westport during October averages 86%. The most humid October was 1988 at 92%, and the least humid was 1985 at 81%.
October receives about 4.7 kWh/m²/day of solar energy in Westport. The sunniest October was 2005 at 5.4 kWh/m²/day, and the cloudiest was 2013 at 3.8.
Average wind speed in Westport during October is 0.4 m/s. The windiest Octobers were 1998 and 2007 at 0.5 m/s, while the calmest were 2018, 2020 and 2024, among others at 0.3 m/s.
Ranked against the other 11 months using 1981–2025 averages.
| Metric | 1980s | 1990s | 2000s | 2010s | 2020s | Change |
|---|---|---|---|---|---|---|
| Avg Temp | 9.0°C | 9.0°C | 8.5°C | 9.0°C | 9.5°C | +0.5°C |
| Avg High | 12.5°C | 12.3°C | 12.0°C | 12.4°C | 12.8°C | +0.3°C |
| Avg Low | 5.5°C | 5.6°C | 5.0°C | 5.6°C | 6.2°C | +0.7°C |
| Avg Rain | 181 mm | 183 mm | 175 mm | 162 mm | 194 mm | +13 mm |
October temperatures in Westport have risen by about 0.7°C between 1981–1985 and 2021–2025.
October has ranged from a record low of -2.4°C (2022) to a record high of 19.4°C (2023).
Rainfall in October is a relatively wet time of year, averaging 178 mm, with a wettest year of 300 mm.
A good time to visit Westport
October is a good time to visit Westport, with days averaging 12.4°C and nights around 5.5°C (mean 9°C, close to Westport's yearly average) and higher 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 | 11.7°C | 8.9°C | 6.1°C | 15.2°C | -0.2°C | 273 mm | 89% | 0.4 m/s | 4.5 |
| 2024 | 12.8°C | 9.7°C | 6.6°C | 17.5°C | 2.7°C | 240 mm | 89% | 0.3 m/s | 4.6 |
| 2023 | 13.1°C | 9.3°C | 5.6°C | 19.4°C | 0.2°C | 126 mm | 85% | 0.4 m/s | 5.3 |
| 2022 | 12.8°C | 9.2°C | 5.6°C | 16.0°C | -2.4°C | 147 mm | 85% | 0.4 m/s | 5.1 |
| 2021 | 13.5°C | 10.2°C | 6.9°C | 17.6°C | -0.1°C | 173 mm | 87% | 0.4 m/s | 4.9 |
| 2020 | 12.9°C | 9.5°C | 6.1°C | 17.1°C | -0.5°C | 203 mm | 87% | 0.3 m/s | 4.4 |
| 2019 | 11.8°C | 8.6°C | 5.4°C | 15.8°C | 1.0°C | 166 mm | 87% | 0.4 m/s | 4.7 |
| 2018 | 13.2°C | 9.7°C | 6.2°C | 19.0°C | -1.1°C | 100 mm | 86% | 0.3 m/s | 4.7 |
| 2017 | 13.3°C | 10.2°C | 7.0°C | 18.2°C | 4.5°C | 141 mm | 88% | 0.4 m/s | 4.6 |
| 2016 | 12.8°C | 9.2°C | 5.7°C | 15.3°C | 0.7°C | 165 mm | 86% | 0.4 m/s | 5.1 |
| 2015 | 12.0°C | 9.0°C | 5.9°C | 15.0°C | 3.6°C | 141 mm | 87% | 0.4 m/s | 4.8 |
| 2014 | 12.2°C | 8.7°C | 5.2°C | 17.1°C | 0.0°C | 147 mm | 87% | 0.4 m/s | 5 |
| 2013 | 11.6°C | 8.7°C | 5.8°C | 16.2°C | -0.3°C | 279 mm | 90% | 0.4 m/s | 3.8 |
| 2012 | 11.0°C | 7.9°C | 4.8°C | 19.0°C | -0.3°C | 241 mm | 88% | 0.4 m/s | 4.5 |
| 2011 | 13.0°C | 9.2°C | 5.5°C | 16.3°C | 1.1°C | 143 mm | 85% | 0.3 m/s | 4.4 |
| 2010 | 13.2°C | 9.0°C | 4.9°C | 18.2°C | -0.4°C | 100 mm | 83% | 0.4 m/s | 5.1 |
| 2009 | 11.3°C | 7.4°C | 3.4°C | 15.6°C | -2.3°C | 159 mm | 83% | 0.4 m/s | 5.1 |
| 2008 | 11.7°C | 8.5°C | 5.2°C | 15.9°C | 2.5°C | 131 mm | 87% | 0.4 m/s | 4.5 |
| 2007 | 10.7°C | 7.6°C | 4.5°C | 15.7°C | -2.3°C | 292 mm | 87% | 0.5 m/s | 4.3 |
| 2006 | 11.5°C | 7.9°C | 4.3°C | 14.8°C | -0.2°C | 186 mm | 85% | 0.4 m/s | 4.2 |
| 2005 | 13.0°C | 9.4°C | 5.7°C | 16.6°C | 1.2°C | 149 mm | 85% | 0.4 m/s | 5.4 |
| 2004 | 11.9°C | 8.7°C | 5.5°C | 15.1°C | 0.3°C | 160 mm | 86% | 0.4 m/s | 4.3 |
| 2003 | 12.2°C | 8.7°C | 5.2°C | 16.6°C | -1.9°C | 159 mm | 85% | 0.4 m/s | 4.7 |
| 2002 | 11.0°C | 7.5°C | 3.9°C | 14.4°C | -1.4°C | 206 mm | 86% | 0.4 m/s | 5.1 |
| 2001 🔥 | 14.2°C | 10.6°C | 6.9°C | 18.0°C | 1.3°C | 167 mm | 86% | 0.4 m/s | 4.8 |
| 2000 | 12.5°C | 9.1°C | 5.7°C | 17.6°C | 0.2°C | 143 mm | 87% | 0.4 m/s | 4.9 |
| 1999 | 13.6°C | 10.5°C | 7.3°C | 17.4°C | 0.0°C | 200 mm | 87% | 0.4 m/s | 4.7 |
| 1998 | 11.6°C | 9.0°C | 6.3°C | 17.6°C | 1.7°C | 253 mm | 90% | 0.5 m/s | 4.2 |
| 1997 | 12.2°C | 8.9°C | 5.7°C | 16.5°C | 1.5°C | 106 mm | 87% | 0.4 m/s | 4.8 |
| 1996 | 12.1°C | 9.1°C | 6.0°C | 15.2°C | 2.0°C | 294 mm | 87% | 0.4 m/s | 4.7 |
| 1995 | 12.2°C | 8.6°C | 5.0°C | 16.4°C | -0.8°C | 207 mm | 85% | 0.4 m/s | 4.7 |
| 1994 | 11.8°C | 8.2°C | 4.5°C | 17.4°C | -1.3°C | 123 mm | 84% | 0.4 m/s | 4.6 |
| 1993 | 12.3°C | 9.0°C | 5.7°C | 18.0°C | 1.7°C | 204 mm | 87% | 0.4 m/s | 4.7 |
| 1992 | 12.3°C | 8.6°C | 5.0°C | 17.6°C | -0.2°C | 135 mm | 83% | 0.4 m/s | 4.4 |
| 1991 | 12.0°C | 8.4°C | 4.8°C | 17.7°C | -0.9°C | 129 mm | 85% | 0.4 m/s | 4.8 |
| 1990 | 13.0°C | 9.4°C | 5.8°C | 16.6°C | -2.3°C | 180 mm | 84% | 0.4 m/s | 5.1 |
| 1989 | 13.0°C | 9.8°C | 6.6°C | 16.9°C | 1.5°C | 196 mm | 86% | 0.4 m/s | 4.7 |
| 1988 🌧️ | 10.8°C | 8.5°C | 6.1°C | 13.6°C | 3.6°C | 300 mm | 92% | 0.4 m/s | 4.2 |
| 1987 | 12.9°C | 9.4°C | 5.8°C | 17.0°C | -0.2°C | 187 mm | 86% | 0.4 m/s | 4.8 |
| 1986 | 13.2°C | 9.8°C | 6.5°C | 16.2°C | 3.0°C | 198 mm | 87% | 0.3 m/s | 4.6 |
| 1985 | 13.3°C | 8.7°C | 4.1°C | 17.5°C | -0.5°C | 83 mm | 81% | 0.4 m/s | 5.3 |
| 1984 | 12.1°C | 8.5°C | 5.0°C | 16.5°C | -1.4°C | 190 mm | 87% | 0.4 m/s | 4.8 |
| 1983 | 13.5°C | 9.8°C | 6.2°C | 18.3°C | -0.2°C | 176 mm | 85% | 0.3 m/s | — |
| 1982 ❄️ | 11.0°C | 7.2°C | 3.4°C | 14.6°C | -1.3°C | 112 mm | 84% | 0.4 m/s | — |
| 1981 | 13.1°C | 9.6°C | 6.0°C | 17.0°C | 1.1°C | 189 mm | 84% | 0.4 m/s | — |
Actual recorded October data for each year, 1981–2025 — sourced from NASA POWER.
The average high in October is around 12.4°C with lows near 5.5°C (mean 9°C), based on 45 years of NASA POWER data.
October averages 178 mm of rainfall in Westport, a relatively wet time of year. The wettest on record was 300 mm in 1988.
The hottest October reached 19.4°C in 2023. The coldest dipped to -2.4°C in 2022.
Comparing the earliest years on record (1981–1985) with the most recent (2021–2025), average October temperatures have risen by about 0.7°C. Daytime highs moved from 12.6°C to 12.8°C and overnight lows from 4.9°C to 6.2°C over the same span.
October is one of the cooler months of the year in Westport and a relatively wet time of year, so plan for around 12.4°C daytime highs and 5.5°C at night.
Not quite — October is the 6th coolest month in Westport, averaging 9°C.
For October in Westport, pack warm layers and a jacket for chilly mornings, with typical highs of 12.4°C and lows of 5.5°C. Bring an umbrella or light rain jacket too.
Relative humidity in October averages 86% — quite humid.
Average wind speed in October is 0.4 m/s. The windiest October on record averaged 0.5 m/s (1998).
The wettest October on record was 1988 with 300 mm. On average, October sees 178 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 Westport 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.