October is one of the warmer months of the year in Truro, with average highs near 14.6°C and lows around 11.7°C (mean 13.2°C). It is a relatively wet time of year, averaging 119 mm of rainfall and 85% relative humidity across the period.
October is one of the warmer months of the year in Truro. Across 45 years of records, the warmest October in Truro was 2022 — when the month averaged 14.8°C — while the coldest was 1993 at 10.5°C. Typical October days reach 14.6°C with nights near 11.7°C. The long-term trend is warming, about 0.4°C per decade.
October is a relatively wet time of year in Truro, averaging 119 mm of rainfall. The wettest October on record was 2019 with 211 mm, while the driest was 2007 at 45 mm.
Relative humidity in Truro during October averages 85%. The most humid October was 2001 at 88%, and the least humid was 1992 at 80%.
October receives about 1.9 kWh/m²/day of solar energy in Truro. The sunniest October was 1994 at 2.3 kWh/m²/day, and the cloudiest were 1989 and 2000 at 1.7.
Average wind speed in Truro during October is 6.4 m/s. The windiest October was 2000 at 7.8 m/s, while the calmest was 2007 at 4.4 m/s.
Ranked against the other 11 months using 1981–2025 averages.
| Metric | 1980s | 1990s | 2000s | 2010s | 2020s | Change |
|---|---|---|---|---|---|---|
| Avg Temp | 12.6°C | 12.8°C | 13.3°C | 13.3°C | 13.9°C | +1.3°C |
| Avg High | 14.0°C | 14.2°C | 14.7°C | 14.8°C | 15.4°C | +1.4°C |
| Avg Low | 11.1°C | 11.3°C | 11.9°C | 11.9°C | 12.5°C | +1.4°C |
| Avg Rain | 127 mm | 102 mm | 122 mm | 115 mm | 140 mm | +14 mm |
October temperatures in Truro have risen by about 1.8°C between 1981–1985 and 2021–2025.
October has ranged from a record low of 4.9°C (1993) to a record high of 19.5°C (2011).
Rainfall in October is a relatively wet time of year, averaging 119 mm, with a wettest year of 211 mm.
A good time to visit Truro
October is a good time to visit Truro, with days averaging 14.6°C and nights around 11.7°C (mean 13.2°C, warmer than Truro's yearly average) and higher rainfall. August and July 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 | 15.1°C | 13.8°C | 12.4°C | 17.8°C | 9.1°C | 108 mm | 85% | 6.7 m/s | 1.8 |
| 2024 | 15.3°C | 13.8°C | 12.3°C | 16.6°C | 9.2°C | 126 mm | 87% | 5.6 m/s | 2 |
| 2023 | 16.0°C | 14.5°C | 13.1°C | 19.4°C | 10.4°C | 145 mm | 87% | 5.9 m/s | 1.9 |
| 2022 🔥 | 16.4°C | 14.8°C | 13.2°C | 18.0°C | 10.8°C | 98 mm | 87% | 6.6 m/s | 2.2 |
| 2021 | 15.5°C | 14.2°C | 12.8°C | 17.6°C | 10.6°C | 194 mm | 86% | 6.1 m/s | 2 |
| 2020 | 13.8°C | 12.6°C | 11.3°C | 15.8°C | 8.9°C | 170 mm | 83% | 7.6 m/s | 1.8 |
| 2019 🌧️ | 14.4°C | 13.1°C | 11.8°C | 17.1°C | 9.0°C | 211 mm | 84% | 6.6 m/s | 1.9 |
| 2018 | 14.3°C | 12.8°C | 11.2°C | 18.5°C | 5.1°C | 83 mm | 84% | 5.8 m/s | 2.1 |
| 2017 | 15.2°C | 13.8°C | 12.4°C | 18.5°C | 9.0°C | 81 mm | 86% | 6.5 m/s | 1.8 |
| 2016 | 14.4°C | 12.9°C | 11.4°C | 16.7°C | 9.4°C | 59 mm | 83% | 5.5 m/s | 2.2 |
| 2015 | 14.5°C | 12.9°C | 11.3°C | 17.2°C | 9.0°C | 81 mm | 85% | 5.4 m/s | 2.1 |
| 2014 | 15.7°C | 14.3°C | 13.0°C | 18.1°C | 11.4°C | 123 mm | 85% | 6.7 m/s | 2 |
| 2013 | 15.7°C | 14.3°C | 12.9°C | 18.1°C | 9.6°C | 151 mm | 87% | 6.9 m/s | 1.9 |
| 2012 | 13.8°C | 12.4°C | 11.0°C | 16.3°C | 5.8°C | 142 mm | 84% | 6 m/s | 1.9 |
| 2011 | 15.4°C | 14.0°C | 12.7°C | 19.5°C | 9.8°C | 120 mm | 86% | 6.4 m/s | 1.9 |
| 2010 | 14.5°C | 12.9°C | 11.4°C | 18.6°C | 7.0°C | 97 mm | 83% | 6.2 m/s | 2.2 |
| 2009 | 15.2°C | 13.9°C | 12.5°C | 18.1°C | 9.2°C | 84 mm | 86% | 5.4 m/s | 2 |
| 2008 | 13.7°C | 12.2°C | 10.8°C | 17.6°C | 6.1°C | 115 mm | 84% | 6.8 m/s | 2.1 |
| 2007 | 15.1°C | 13.6°C | 12.2°C | 16.9°C | 9.3°C | 45 mm | 85% | 4.4 m/s | 2 |
| 2006 | 15.9°C | 14.5°C | 13.0°C | 17.6°C | 11.0°C | 126 mm | 87% | 6.5 m/s | 1.9 |
| 2005 | 15.6°C | 14.2°C | 12.8°C | 17.8°C | 11.1°C | 135 mm | 86% | 6.6 m/s | 1.8 |
| 2004 | 13.9°C | 12.5°C | 11.2°C | 16.1°C | 9.4°C | 164 mm | 83% | 7.7 m/s | 1.9 |
| 2003 | 13.7°C | 12.3°C | 10.9°C | 17.3°C | 6.2°C | 89 mm | 82% | 6.4 m/s | 2 |
| 2002 | 14.7°C | 13.2°C | 11.7°C | 17.8°C | 8.7°C | 144 mm | 84% | 6.2 m/s | 1.8 |
| 2001 | 15.8°C | 14.4°C | 13.0°C | 18.9°C | 10.9°C | 114 mm | 88% | 6.7 m/s | 2 |
| 2000 | 13.6°C | 12.3°C | 11.0°C | 16.7°C | 8.5°C | 200 mm | 84% | 7.8 m/s | 1.7 |
| 1999 | 14.5°C | 13.1°C | 11.6°C | 16.6°C | 9.3°C | 68 mm | 85% | 6.2 m/s | 2.1 |
| 1998 | 14.4°C | 13.0°C | 11.7°C | 17.0°C | 9.4°C | 162 mm | 83% | 7.6 m/s | 1.8 |
| 1997 | 15.4°C | 13.8°C | 12.3°C | 18.4°C | 8.9°C | 82 mm | 84% | 6.5 m/s | 2 |
| 1996 | 14.6°C | 13.3°C | 12.0°C | 16.5°C | 9.8°C | 116 mm | 85% | 7.5 m/s | 1.8 |
| 1995 | 16.0°C | 14.4°C | 12.9°C | 18.7°C | 10.6°C | 80 mm | 88% | 6.3 m/s | 2 |
| 1994 | 14.5°C | 12.8°C | 11.2°C | 18.1°C | 7.6°C | 128 mm | 85% | 6 m/s | 2.3 |
| 1993 ❄️ | 12.1°C | 10.5°C | 8.9°C | 14.8°C | 4.9°C | 101 mm | 82% | 5.9 m/s | 2.1 |
| 1992 | 12.0°C | 10.6°C | 9.2°C | 15.3°C | 6.3°C | 65 mm | 80% | 6.8 m/s | 1.8 |
| 1991 | 13.6°C | 12.3°C | 11.0°C | 17.7°C | 8.9°C | 107 mm | 82% | 6.1 m/s | 1.8 |
| 1990 | 15.2°C | 13.7°C | 12.2°C | 18.5°C | 9.8°C | 114 mm | 84% | 7 m/s | 1.8 |
| 1989 | 15.2°C | 13.8°C | 12.5°C | 16.8°C | 10.2°C | 114 mm | 85% | 6.7 m/s | 1.7 |
| 1988 | 14.2°C | 12.7°C | 11.2°C | 16.7°C | 7.9°C | 134 mm | 87% | 6.7 m/s | 1.9 |
| 1987 | 13.4°C | 11.9°C | 10.4°C | 17.1°C | 6.7°C | 197 mm | 84% | 6.2 m/s | 1.9 |
| 1986 | 14.5°C | 12.8°C | 11.2°C | 17.6°C | 9.1°C | 111 mm | 86% | 5.9 m/s | 1.9 |
| 1985 | 14.5°C | 12.8°C | 11.2°C | 17.5°C | 7.8°C | 62 mm | 86% | 5.4 m/s | 2 |
| 1984 | 14.4°C | 13.0°C | 11.6°C | 16.4°C | 7.8°C | 105 mm | 85% | 6.5 m/s | 1.9 |
| 1983 | 14.1°C | 12.6°C | 11.0°C | 17.7°C | 5.3°C | 93 mm | 83% | 6.9 m/s | — |
| 1982 | 13.7°C | 12.3°C | 10.8°C | 16.0°C | 8.8°C | 150 mm | 85% | 6.5 m/s | — |
| 1981 | 12.3°C | 11.1°C | 9.9°C | 16.0°C | 6.8°C | 175 mm | 82% | 7.1 m/s | — |
Actual recorded October data for each year, 1981–2025 — sourced from NASA POWER.
The average high in October is around 14.6°C with lows near 11.7°C (mean 13.2°C), based on 45 years of NASA POWER data.
October averages 119 mm of rainfall in Truro, a relatively wet time of year. The wettest on record was 211 mm in 2019.
The hottest October reached 19.5°C in 2011. The coldest dipped to 4.9°C in 1993.
Comparing the earliest years on record (1981–1985) with the most recent (2021–2025), average October temperatures have risen by about 1.8°C. Daytime highs moved from 13.8°C to 15.7°C and overnight lows from 10.9°C to 12.8°C over the same span.
October is one of the warmer months of the year in Truro and a relatively wet time of year, so plan for around 14.6°C daytime highs and 11.7°C at night.
Not quite — October is the 8th coolest month in Truro, averaging 13.2°C.
For October in Truro, pack light layers you can adjust through the day, with typical highs of 14.6°C and lows of 11.7°C. Bring an umbrella or light rain jacket too.
Relative humidity in October averages 85% — quite humid.
Average wind speed in October is 6.4 m/s. The windiest October on record averaged 7.8 m/s (2000).
The wettest October on record was 2019 with 211 mm. On average, October sees 119 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 Truro 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.
