October is one of the warmer months of the year in Carterton, with average highs near 14.2°C and lows around 6.8°C (mean 10.5°C). It is a relatively wet time of year, averaging 81 mm of rainfall and 89% relative humidity across the period.
October is one of the warmer months of the year in Carterton. Across 45 years of records, the warmest October in Carterton was 2022 — when the month averaged 12.9°C — while the coldest was 1992 at 7°C. Typical October days reach 14.2°C with nights near 6.8°C. The long-term trend is warming, about 0.4°C per decade.
October is a relatively wet time of year in Carterton, averaging 81 mm of rainfall. The wettest October on record was 2020 with 167 mm, while the driest was 2016 at 27 mm.
Relative humidity in Carterton during October averages 89%. The most humid October was 2020 at 91%, and the least humid was 2011 at 84%.
October receives about 1.9 kWh/m²/day of solar energy in Carterton. The sunniest Octobers were 2011 and 2022 at 2.2 kWh/m²/day, and the cloudiest was 2000 at 1.5.
Average wind speed in Carterton during October is 3.4 m/s. The windiest October was 1998 at 4.5 m/s, while the calmest was 2007 at 2.2 m/s.
Ranked against the other 11 months using 1981–2025 averages.
| Metric | 1980s | 1990s | 2000s | 2010s | 2020s | Change |
|---|---|---|---|---|---|---|
| Avg Temp | 10.0°C | 9.9°C | 10.8°C | 10.8°C | 11.5°C | +1.5°C |
| Avg High | 13.7°C | 13.7°C | 14.4°C | 14.6°C | 15.2°C | +1.5°C |
| Avg Low | 6.3°C | 6.2°C | 7.1°C | 7.0°C | 7.8°C | +1.5°C |
| Avg Rain | 81 mm | 74 mm | 86 mm | 71 mm | 103 mm | +22 mm |
October temperatures in Carterton have risen by about 2.2°C between 1981–1985 and 2021–2025.
October has ranged from a record low of -3.6°C (1993) to a record high of 26.8°C (2011).
Rainfall in October is a relatively wet time of year, averaging 81 mm, with a wettest year of 167 mm.
A good time to visit Carterton
October is a good time to visit Carterton, with days averaging 14.2°C and nights around 6.8°C (mean 10.5°C, close to Carterton'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 | 14.9°C | 11.2°C | 7.6°C | 19.9°C | 3.3°C | 57 mm | 88% | 3.3 m/s | 1.6 |
| 2024 | 14.9°C | 11.0°C | 7.2°C | 20.2°C | 0.6°C | 87 mm | 91% | 2.9 m/s | 1.8 |
| 2023 | 15.7°C | 12.2°C | 8.6°C | 22.1°C | 1.7°C | 108 mm | 90% | 2.9 m/s | 2 |
| 2022 🔥 | 17.2°C | 12.9°C | 8.6°C | 19.5°C | 3.7°C | 89 mm | 86% | 3.5 m/s | 2.2 |
| 2021 | 15.4°C | 11.7°C | 8.0°C | 19.9°C | 4.3°C | 108 mm | 89% | 3.5 m/s | 1.9 |
| 2020 🌧️ | 13.0°C | 9.8°C | 6.6°C | 16.8°C | 4.1°C | 167 mm | 91% | 3.8 m/s | 1.6 |
| 2019 | 13.4°C | 9.8°C | 6.2°C | 17.4°C | 0.9°C | 116 mm | 90% | 3.3 m/s | 1.8 |
| 2018 | 14.7°C | 10.4°C | 6.0°C | 22.6°C | -1.9°C | 61 mm | 88% | 3.3 m/s | 2.1 |
| 2017 | 15.3°C | 11.7°C | 8.1°C | 19.8°C | 0.1°C | 36 mm | 89% | 3.7 m/s | 1.8 |
| 2016 | 14.1°C | 10.3°C | 6.5°C | 18.1°C | 3.7°C | 27 mm | 88% | 2.8 m/s | 2 |
| 2015 | 14.6°C | 10.4°C | 6.3°C | 19.5°C | 1.3°C | 57 mm | 89% | 2.7 m/s | 1.8 |
| 2014 | 15.3°C | 11.9°C | 8.5°C | 20.0°C | 3.9°C | 83 mm | 90% | 3.8 m/s | 1.8 |
| 2013 | 15.4°C | 12.0°C | 8.6°C | 20.2°C | 3.4°C | 116 mm | 90% | 4 m/s | 1.7 |
| 2012 | 12.5°C | 9.0°C | 5.6°C | 15.6°C | -0.6°C | 104 mm | 90% | 3.1 m/s | 1.8 |
| 2011 | 16.6°C | 12.7°C | 8.7°C | 26.8°C | 1.8°C | 41 mm | 84% | 3.9 m/s | 2.2 |
| 2010 | 13.6°C | 9.7°C | 5.9°C | 20.4°C | -1.7°C | 70 mm | 90% | 3.2 m/s | 2 |
| 2009 | 15.0°C | 11.2°C | 7.4°C | 20.8°C | 3.4°C | 50 mm | 87% | 2.9 m/s | 1.8 |
| 2008 | 13.1°C | 9.1°C | 5.1°C | 20.4°C | -3.5°C | 66 mm | 89% | 3.7 m/s | 2.1 |
| 2007 | 14.5°C | 10.8°C | 7.2°C | 19.0°C | 2.1°C | 56 mm | 89% | 2.2 m/s | 1.8 |
| 2006 | 16.4°C | 12.5°C | 8.6°C | 20.2°C | 3.5°C | 89 mm | 89% | 3.6 m/s | 1.8 |
| 2005 | 16.4°C | 12.8°C | 9.1°C | 20.3°C | 4.8°C | 94 mm | 89% | 3.5 m/s | 1.7 |
| 2004 | 13.5°C | 10.1°C | 6.7°C | 16.6°C | 3.2°C | 104 mm | 89% | 3.9 m/s | 1.7 |
| 2003 | 12.9°C | 8.9°C | 4.8°C | 18.6°C | -0.6°C | 54 mm | 85% | 3.5 m/s | 2.1 |
| 2002 | 13.4°C | 9.8°C | 6.2°C | 19.5°C | -0.1°C | 130 mm | 88% | 3.4 m/s | 1.8 |
| 2001 | 16.1°C | 12.8°C | 9.5°C | 21.5°C | 4.8°C | 99 mm | 91% | 3.9 m/s | 1.7 |
| 2000 | 13.0°C | 9.7°C | 6.4°C | 17.6°C | 2.9°C | 122 mm | 91% | 3.8 m/s | 1.5 |
| 1999 | 14.1°C | 10.3°C | 6.5°C | 19.0°C | 2.1°C | 86 mm | 89% | 3.4 m/s | 2.1 |
| 1998 | 13.6°C | 9.9°C | 6.2°C | 18.1°C | 1.2°C | 130 mm | 88% | 4.5 m/s | 1.6 |
| 1997 | 14.0°C | 9.8°C | 5.6°C | 22.4°C | -3.6°C | 61 mm | 87% | 3 m/s | 2.1 |
| 1996 | 14.9°C | 11.2°C | 7.5°C | 19.7°C | 3.9°C | 75 mm | 87% | 3.8 m/s | 2.1 |
| 1995 | 16.7°C | 12.5°C | 8.4°C | 22.8°C | 2.5°C | 40 mm | 87% | 3.4 m/s | 2 |
| 1994 | 13.6°C | 9.6°C | 5.6°C | 18.4°C | -0.3°C | 75 mm | 89% | 3 m/s | 2.1 |
| 1993 | 11.3°C | 7.7°C | 4.1°C | 15.9°C | -3.6°C | 86 mm | 89% | 3 m/s | 1.9 |
| 1992 ❄️ | 10.2°C | 7.0°C | 3.7°C | 15.5°C | -1.6°C | 70 mm | 89% | 3.4 m/s | 1.9 |
| 1991 | 13.3°C | 9.7°C | 6.2°C | 21.8°C | 1.2°C | 57 mm | 87% | 3.1 m/s | 1.8 |
| 1990 | 15.4°C | 11.6°C | 7.8°C | 23.1°C | 2.2°C | 65 mm | 85% | 4 m/s | 1.8 |
| 1989 | 15.3°C | 11.6°C | 7.9°C | 18.9°C | 5.5°C | 85 mm | 86% | 3.8 m/s | 1.7 |
| 1988 | 13.8°C | 10.2°C | 6.6°C | 17.9°C | -1.4°C | 64 mm | 89% | 3.3 m/s | 1.9 |
| 1987 | 13.3°C | 9.5°C | 5.8°C | 20.0°C | -1.8°C | 140 mm | 88% | 3.3 m/s | 1.9 |
| 1986 | 14.5°C | 10.5°C | 6.5°C | 19.8°C | 2.5°C | 66 mm | 89% | 3.2 m/s | 1.9 |
| 1985 | 14.1°C | 10.5°C | 6.9°C | 24.3°C | 2.8°C | 43 mm | 89% | 2.8 m/s | 2 |
| 1984 | 14.8°C | 10.8°C | 6.7°C | 20.3°C | -0.2°C | 65 mm | 88% | 3.7 m/s | 1.8 |
| 1983 | 13.2°C | 9.6°C | 6.0°C | 20.6°C | -2.6°C | 66 mm | 88% | 3.9 m/s | — |
| 1982 | 12.9°C | 9.5°C | 6.1°C | 16.7°C | 1.2°C | 91 mm | 91% | 3.1 m/s | — |
| 1981 | 11.0°C | 7.7°C | 4.4°C | 17.7°C | -0.3°C | 105 mm | 89% | 3.6 m/s | — |
Actual recorded October data for each year, 1981–2025 — sourced from NASA POWER.
The average high in October is around 14.2°C with lows near 6.8°C (mean 10.5°C), based on 45 years of NASA POWER data.
October averages 81 mm of rainfall in Carterton, a relatively wet time of year. The wettest on record was 167 mm in 2020.
The hottest October reached 26.8°C in 2011. The coldest dipped to -3.6°C in 1993.
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 13.2°C to 15.6°C and overnight lows from 6°C to 8°C over the same span.
October is one of the warmer months of the year in Carterton and a relatively wet time of year, so plan for around 14.2°C daytime highs and 6.8°C at night.
Not quite — October is the 7th coolest month in Carterton, averaging 10.5°C.
For October in Carterton, pack warm layers and a jacket for chilly mornings, with typical highs of 14.2°C and lows of 6.8°C. Bring an umbrella or light rain jacket too.
Relative humidity in October averages 89% — quite humid.
Average wind speed in October is 3.4 m/s. The windiest October on record averaged 4.5 m/s (1998).
The wettest October on record was 2020 with 167 mm. On average, October sees 81 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 Carterton 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.
