October is one of the warmer months of the year in Greenock, with average highs near 11.1°C and lows around 7°C (mean 9.1°C). It is a relatively wet time of year, averaging 162 mm of rainfall and 91% relative humidity across the period.
October is one of the warmer months of the year in Greenock. Across 45 years of records, the warmest October in Greenock was 2001 — when the month averaged 11.1°C — while the coldest was 1981 at 6°C. Typical October days reach 11.1°C with nights near 7°C. The long-term trend is warming, about 0.3°C per decade.
October is a relatively wet time of year in Greenock, averaging 162 mm of rainfall. The wettest October on record was 1995 with 298 mm, while the driest was 2016 at 43 mm.
Relative humidity in Greenock during October averages 91%. The most humid October was 2001 at 92%, and the least humid was 1983 at 88%.
October receives about 1.4 kWh/m²/day of solar energy in Greenock. The sunniest Octobers were 2010 and 2016 at 1.7 kWh/m²/day, and the cloudiest was 2000 at 1.
Average wind speed in Greenock during October is 4.5 m/s. The windiest October was 1983 at 6 m/s, while the calmest was 1993 at 3 m/s.
Ranked against the other 11 months using 1981–2025 averages.
| Metric | 1980s | 1990s | 2000s | 2010s | 2020s | Change |
|---|---|---|---|---|---|---|
| Avg Temp | 8.5°C | 8.6°C | 9.4°C | 9.1°C | 9.9°C | +1.4°C |
| Avg High | 10.5°C | 10.7°C | 11.3°C | 11.3°C | 11.9°C | +1.4°C |
| Avg Low | 6.5°C | 6.5°C | 7.4°C | 7.0°C | 7.8°C | +1.3°C |
| Avg Rain | 174 mm | 156 mm | 165 mm | 152 mm | 164 mm | -10 mm |
October temperatures in Greenock have risen by about 1.7°C between 1981–1985 and 2021–2025.
October has ranged from a record low of -0.8°C (2012) to a record high of 17.8°C (1985).
Rainfall in October is a relatively wet time of year, averaging 162 mm, with a wettest year of 298 mm.
A good time to visit Greenock
October is a good time to visit Greenock, with days averaging 11.1°C and nights around 7°C (mean 9.1°C, close to Greenock's yearly average) and higher rainfall. July and August 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 | 9.9°C | 8.2°C | 15.8°C | 2.7°C | 154 mm | 90% | 4.5 m/s | 1.2 |
| 2024 | 12.2°C | 10.0°C | 7.8°C | 14.7°C | 2.0°C | 88 mm | 91% | 4.4 m/s | 1.4 |
| 2023 | 11.6°C | 9.4°C | 7.1°C | 16.0°C | 2.7°C | 129 mm | 90% | 4.9 m/s | 1.4 |
| 2022 | 12.5°C | 10.7°C | 8.9°C | 14.0°C | 5.9°C | 201 mm | 91% | 5 m/s | 1.3 |
| 2021 | 12.2°C | 10.3°C | 8.3°C | 16.3°C | 3.4°C | 190 mm | 91% | 4.2 m/s | 1.3 |
| 2020 | 10.9°C | 8.8°C | 6.7°C | 14.0°C | 3.0°C | 224 mm | 90% | 4.1 m/s | 1.5 |
| 2019 | 10.2°C | 8.2°C | 6.1°C | 13.6°C | 1.4°C | 140 mm | 90% | 4.4 m/s | 1.6 |
| 2018 | 10.9°C | 8.6°C | 6.3°C | 17.1°C | 0.1°C | 142 mm | 90% | 4.7 m/s | 1.4 |
| 2017 | 12.0°C | 10.2°C | 8.3°C | 14.5°C | 3.3°C | 177 mm | 92% | 5.1 m/s | 1.2 |
| 2016 | 11.6°C | 9.1°C | 6.7°C | 14.6°C | 3.7°C | 43 mm | 91% | 3.6 m/s | 1.7 |
| 2015 | 11.9°C | 9.6°C | 7.2°C | 15.6°C | 3.5°C | 93 mm | 90% | 3.5 m/s | 1.6 |
| 2014 | 11.9°C | 9.7°C | 7.6°C | 15.3°C | 3.1°C | 218 mm | 90% | 5 m/s | 1.4 |
| 2013 | 12.1°C | 10.0°C | 7.9°C | 15.7°C | 2.1°C | 176 mm | 92% | 4.5 m/s | 1.3 |
| 2012 | 9.1°C | 7.0°C | 4.9°C | 12.2°C | -0.8°C | 137 mm | 91% | 3.2 m/s | 1.6 |
| 2011 | 11.6°C | 9.9°C | 8.3°C | 14.8°C | 3.7°C | 244 mm | 92% | 5.2 m/s | 1.1 |
| 2010 | 11.3°C | 9.0°C | 6.6°C | 16.4°C | 1.0°C | 145 mm | 90% | 4.4 m/s | 1.7 |
| 2009 | 11.8°C | 9.7°C | 7.6°C | 14.4°C | 4.7°C | 141 mm | 91% | 4.1 m/s | 1.4 |
| 2008 | 10.2°C | 8.1°C | 6.1°C | 15.2°C | 1.4°C | 219 mm | 89% | 5.2 m/s | 1.5 |
| 2007 | 12.4°C | 10.5°C | 8.5°C | 15.7°C | 5.4°C | 107 mm | 92% | 3.7 m/s | 1.5 |
| 2006 | 13.0°C | 10.9°C | 8.8°C | 15.3°C | 3.6°C | 175 mm | 92% | 4 m/s | 1.4 |
| 2005 | 12.2°C | 10.3°C | 8.3°C | 15.7°C | 4.7°C | 183 mm | 92% | 4.8 m/s | 1.2 |
| 2004 | 10.4°C | 8.6°C | 6.7°C | 13.8°C | 2.8°C | 174 mm | 91% | 4 m/s | 1.4 |
| 2003 | 10.1°C | 7.8°C | 5.5°C | 14.9°C | 0.7°C | 51 mm | 90% | 4.1 m/s | 1.6 |
| 2002 | 9.6°C | 7.7°C | 5.9°C | 17.0°C | 0.9°C | 182 mm | 91% | 4 m/s | 1.4 |
| 2001 🔥 | 12.8°C | 11.1°C | 9.4°C | 15.4°C | 6.0°C | 212 mm | 92% | 5.3 m/s | 1.2 |
| 2000 | 10.6°C | 8.8°C | 7.0°C | 15.6°C | 3.4°C | 207 mm | 90% | 5 m/s | 1 |
| 1999 | 11.2°C | 9.2°C | 7.2°C | 14.1°C | 3.4°C | 79 mm | 90% | 4.8 m/s | 1.3 |
| 1998 | 10.3°C | 8.3°C | 6.3°C | 14.1°C | 1.9°C | 235 mm | 89% | 5.3 m/s | 1.5 |
| 1997 | 11.1°C | 8.7°C | 6.2°C | 15.6°C | 1.2°C | 100 mm | 91% | 3.4 m/s | 1.6 |
| 1996 | 11.5°C | 9.8°C | 8.1°C | 14.9°C | 4.4°C | 231 mm | 92% | 5.2 m/s | 1.3 |
| 1995 🌧️ | 12.8°C | 10.9°C | 8.9°C | 16.2°C | 5.3°C | 298 mm | 91% | 5.4 m/s | 1.4 |
| 1994 | 10.7°C | 8.6°C | 6.4°C | 14.3°C | 1.7°C | 108 mm | 92% | 4 m/s | 1.3 |
| 1993 | 9.0°C | 6.5°C | 3.9°C | 12.9°C | 0.0°C | 56 mm | 89% | 3 m/s | 1.5 |
| 1992 | 8.6°C | 6.3°C | 4.0°C | 13.3°C | 0.6°C | 89 mm | 90% | 3.2 m/s | 1.4 |
| 1991 | 10.5°C | 8.5°C | 6.5°C | 15.4°C | 2.1°C | 132 mm | 90% | 4.7 m/s | 1.4 |
| 1990 | 11.1°C | 9.4°C | 7.7°C | 16.0°C | 2.6°C | 227 mm | 92% | 5 m/s | 1.2 |
| 1989 | 11.5°C | 9.6°C | 7.7°C | 14.9°C | 3.4°C | 194 mm | 91% | 4.7 m/s | 1.3 |
| 1988 | 10.7°C | 8.7°C | 6.7°C | 14.6°C | 0.3°C | 156 mm | 91% | 4.6 m/s | 1.1 |
| 1987 | 9.7°C | 7.6°C | 5.6°C | 13.5°C | 2.2°C | 167 mm | 91% | 3.8 m/s | 1.4 |
| 1986 | 10.7°C | 8.8°C | 6.9°C | 14.2°C | 3.4°C | 157 mm | 90% | 5.1 m/s | 1.4 |
| 1985 | 11.4°C | 9.5°C | 7.6°C | 17.8°C | 1.8°C | 92 mm | 91% | 3.6 m/s | 1.4 |
| 1984 | 10.8°C | 8.9°C | 7.0°C | 13.8°C | 4.1°C | 196 mm | 90% | 4.7 m/s | 1.2 |
| 1983 | 10.6°C | 8.7°C | 6.8°C | 15.8°C | 1.9°C | 240 mm | 88% | 6 m/s | — |
| 1982 | 10.7°C | 8.7°C | 6.6°C | 13.7°C | 2.8°C | 186 mm | 90% | 4.9 m/s | — |
| 1981 ❄️ | 8.0°C | 6.0°C | 4.0°C | 11.3°C | 1.0°C | 178 mm | 89% | 4.6 m/s | — |
Actual recorded October data for each year, 1981–2025 — sourced from NASA POWER.
The average high in October is around 11.1°C with lows near 7°C (mean 9.1°C), based on 45 years of NASA POWER data.
October averages 162 mm of rainfall in Greenock, a relatively wet time of year. The wettest on record was 298 mm in 1995.
The hottest October reached 17.8°C in 1985. The coldest dipped to -0.8°C in 2012.
Comparing the earliest years on record (1981–1985) with the most recent (2021–2025), average October temperatures have risen by about 1.7°C. Daytime highs moved from 10.3°C to 12°C and overnight lows from 6.4°C to 8.1°C over the same span.
October is one of the warmer months of the year in Greenock and a relatively wet time of year, so plan for around 11.1°C daytime highs and 7°C at night.
Not quite — October is the 7th coolest month in Greenock, averaging 9.1°C.
For October in Greenock, pack warm layers and a jacket for chilly mornings, with typical highs of 11.1°C and lows of 7°C. Bring an umbrella or light rain jacket too.
Relative humidity in October averages 91% — quite humid.
Average wind speed in October is 4.5 m/s. The windiest October on record averaged 6 m/s (1983).
The wettest October on record was 1995 with 298 mm. On average, October sees 162 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 Greenock 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.
