October is one of the warmer months of the year in Farnham, with average highs near 15.3°C and lows around 9°C (mean 12.2°C). It is a relatively wet time of year, averaging 88 mm of rainfall and 86% relative humidity across the period.
October is one of the warmer months of the year in Farnham. Across 45 years of records, the warmest October in Farnham was 2022 — when the month averaged 14.5°C — while the coldest was 1992 at 8.7°C. Typical October days reach 15.3°C with nights near 9°C. The long-term trend is warming, about 0.4°C per decade.
October is a relatively wet time of year in Farnham, averaging 88 mm of rainfall. The wettest October on record was 2000 with 172 mm, while the driest was 1985 at 25 mm.
Relative humidity in Farnham during October averages 86%. The most humid October was 2001 at 90%, and the least humid was 2003 at 81%.
October receives about 1.9 kWh/m²/day of solar energy in Farnham. 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 Farnham during October is 4 m/s. The windiest October was 1998 at 5.3 m/s, while the calmest was 2007 at 2.8 m/s.
Ranked against the other 11 months using 1981–2025 averages.
| Metric | 1980s | 1990s | 2000s | 2010s | 2020s | Change |
|---|---|---|---|---|---|---|
| Avg Temp | 11.7°C | 11.4°C | 12.3°C | 12.3°C | 13.2°C | +1.5°C |
| Avg High | 14.8°C | 14.6°C | 15.5°C | 15.5°C | 16.3°C | +1.5°C |
| Avg Low | 8.5°C | 8.3°C | 9.2°C | 9.2°C | 10.1°C | +1.6°C |
| Avg Rain | 90 mm | 80 mm | 88 mm | 78 mm | 117 mm | +27 mm |
October temperatures in Farnham have risen by about 2.3°C between 1981–1985 and 2021–2025.
October has ranged from a record low of -0.6°C (2008) to a record high of 25.5°C (2011).
Rainfall in October is a relatively wet time of year, averaging 88 mm, with a wettest year of 172 mm.
A good time to visit Farnham
October is a good time to visit Farnham, with days averaging 15.3°C and nights around 9°C (mean 12.2°C, warmer than Farnham'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 | 16.0°C | 12.8°C | 9.7°C | 20.0°C | 5.0°C | 86 mm | 86% | 4.1 m/s | 1.6 |
| 2024 | 16.1°C | 13.0°C | 9.9°C | 20.0°C | 3.9°C | 89 mm | 89% | 3.3 m/s | 1.8 |
| 2023 | 17.2°C | 14.1°C | 11.1°C | 22.3°C | 4.8°C | 136 mm | 87% | 3.7 m/s | 2 |
| 2022 🔥 | 18.0°C | 14.5°C | 11.1°C | 19.7°C | 5.6°C | 86 mm | 86% | 3.9 m/s | 2.2 |
| 2021 | 16.4°C | 13.1°C | 9.8°C | 19.8°C | 5.3°C | 136 mm | 87% | 4 m/s | 1.9 |
| 2020 | 14.4°C | 11.6°C | 8.8°C | 17.7°C | 5.5°C | 167 mm | 88% | 4.6 m/s | 1.6 |
| 2019 | 14.7°C | 11.8°C | 8.8°C | 18.5°C | 3.3°C | 117 mm | 88% | 4.1 m/s | 1.8 |
| 2018 | 16.0°C | 12.1°C | 8.1°C | 21.6°C | 2.6°C | 45 mm | 85% | 3.7 m/s | 2.1 |
| 2017 | 16.3°C | 13.1°C | 9.9°C | 19.6°C | 4.0°C | 37 mm | 87% | 4.3 m/s | 1.8 |
| 2016 | 15.4°C | 12.0°C | 8.6°C | 18.1°C | 6.4°C | 36 mm | 84% | 3.4 m/s | 2 |
| 2015 | 14.9°C | 11.7°C | 8.4°C | 17.9°C | 3.6°C | 66 mm | 88% | 3.5 m/s | 1.8 |
| 2014 | 16.5°C | 13.6°C | 10.7°C | 20.6°C | 5.7°C | 100 mm | 88% | 4 m/s | 1.8 |
| 2013 | 16.2°C | 13.3°C | 10.5°C | 20.3°C | 5.3°C | 118 mm | 88% | 4.7 m/s | 1.7 |
| 2012 | 13.8°C | 10.9°C | 8.1°C | 18.4°C | 1.7°C | 129 mm | 89% | 4 m/s | 1.8 |
| 2011 | 16.9°C | 13.7°C | 10.4°C | 25.5°C | 2.9°C | 37 mm | 83% | 4.3 m/s | 2.2 |
| 2010 | 14.6°C | 11.3°C | 8.0°C | 19.7°C | 1.4°C | 98 mm | 87% | 4.1 m/s | 2 |
| 2009 | 16.0°C | 12.7°C | 9.4°C | 20.1°C | 4.8°C | 67 mm | 85% | 3.4 m/s | 1.8 |
| 2008 | 14.2°C | 10.5°C | 6.9°C | 20.1°C | -0.6°C | 58 mm | 86% | 4.1 m/s | 2.1 |
| 2007 | 15.5°C | 12.1°C | 8.8°C | 19.3°C | 4.2°C | 46 mm | 86% | 2.8 m/s | 1.8 |
| 2006 | 17.2°C | 14.1°C | 11.0°C | 20.2°C | 6.1°C | 96 mm | 89% | 4.3 m/s | 1.8 |
| 2005 | 17.3°C | 14.4°C | 11.4°C | 20.6°C | 6.7°C | 86 mm | 87% | 4 m/s | 1.7 |
| 2004 | 14.7°C | 11.8°C | 9.0°C | 17.4°C | 6.3°C | 96 mm | 86% | 4.7 m/s | 1.7 |
| 2003 | 14.1°C | 10.5°C | 7.0°C | 20.4°C | 1.5°C | 62 mm | 81% | 4.2 m/s | 2.1 |
| 2002 | 14.9°C | 11.8°C | 8.6°C | 20.5°C | 3.2°C | 88 mm | 85% | 4.1 m/s | 1.8 |
| 2001 | 16.7°C | 14.0°C | 11.2°C | 21.0°C | 6.3°C | 106 mm | 90% | 4.4 m/s | 1.7 |
| 2000 🌧️ | 14.1°C | 11.3°C | 8.4°C | 17.2°C | 5.7°C | 172 mm | 89% | 4.5 m/s | 1.5 |
| 1999 | 14.8°C | 11.6°C | 8.5°C | 18.6°C | 4.1°C | 67 mm | 87% | 4.1 m/s | 2.1 |
| 1998 | 14.4°C | 11.3°C | 8.2°C | 18.8°C | 4.2°C | 122 mm | 86% | 5.3 m/s | 1.6 |
| 1997 | 15.0°C | 11.6°C | 8.2°C | 23.5°C | 1.8°C | 75 mm | 85% | 3.8 m/s | 2.1 |
| 1996 | 15.5°C | 12.6°C | 9.6°C | 18.5°C | 5.8°C | 63 mm | 85% | 4.2 m/s | 2.1 |
| 1995 | 17.1°C | 13.8°C | 10.6°C | 21.2°C | 5.5°C | 34 mm | 87% | 3.7 m/s | 2 |
| 1994 | 14.8°C | 11.4°C | 8.0°C | 19.2°C | 2.3°C | 105 mm | 86% | 3.8 m/s | 2.1 |
| 1993 | 12.4°C | 9.5°C | 6.5°C | 16.2°C | 0.3°C | 111 mm | 88% | 4.2 m/s | 1.9 |
| 1992 ❄️ | 11.6°C | 8.7°C | 5.9°C | 16.7°C | 0.6°C | 87 mm | 86% | 4.2 m/s | 1.9 |
| 1991 | 14.1°C | 11.0°C | 7.9°C | 20.4°C | 2.9°C | 52 mm | 85% | 3.6 m/s | 1.8 |
| 1990 | 16.2°C | 12.9°C | 9.6°C | 21.7°C | 3.2°C | 80 mm | 84% | 4.4 m/s | 1.8 |
| 1989 | 16.4°C | 13.2°C | 9.9°C | 19.2°C | 6.8°C | 77 mm | 84% | 4.3 m/s | 1.7 |
| 1988 | 15.0°C | 12.1°C | 9.1°C | 18.1°C | 2.3°C | 74 mm | 87% | 4 m/s | 1.9 |
| 1987 | 14.5°C | 11.5°C | 8.5°C | 19.7°C | 4.8°C | 156 mm | 87% | 4 m/s | 1.9 |
| 1986 | 15.8°C | 12.2°C | 8.7°C | 19.8°C | 4.0°C | 87 mm | 87% | 3.9 m/s | 1.9 |
| 1985 | 15.4°C | 12.2°C | 8.9°C | 22.3°C | 4.4°C | 25 mm | 86% | 3.5 m/s | 2 |
| 1984 | 15.4°C | 12.2°C | 9.0°C | 20.1°C | 3.8°C | 93 mm | 86% | 4.3 m/s | 1.8 |
| 1983 | 14.5°C | 11.4°C | 8.2°C | 21.0°C | 0.1°C | 53 mm | 85% | 4.6 m/s | — |
| 1982 | 13.9°C | 11.1°C | 8.2°C | 17.3°C | 4.9°C | 139 mm | 88% | 3.6 m/s | — |
| 1981 | 12.1°C | 9.3°C | 6.4°C | 17.8°C | 2.5°C | 105 mm | 87% | 4.5 m/s | — |
Actual recorded October data for each year, 1981–2025 — sourced from NASA POWER.
The average high in October is around 15.3°C with lows near 9°C (mean 12.2°C), based on 45 years of NASA POWER data.
October averages 88 mm of rainfall in Farnham, a relatively wet time of year. The wettest on record was 172 mm in 2000.
The hottest October reached 25.5°C in 2011. The coldest dipped to -0.6°C in 2008.
Comparing the earliest years on record (1981–1985) with the most recent (2021–2025), average October temperatures have risen by about 2.3°C. Daytime highs moved from 14.3°C to 16.7°C and overnight lows from 8.1°C to 10.3°C over the same span.
October is one of the warmer months of the year in Farnham and a relatively wet time of year, so plan for around 15.3°C daytime highs and 9°C at night.
Not quite — October is the 8th coolest month in Farnham, averaging 12.2°C.
For October in Farnham, pack light layers you can adjust through the day, with typical highs of 15.3°C and lows of 9°C. Bring an umbrella or light rain jacket too.
Relative humidity in October averages 86% — quite humid.
Average wind speed in October is 4 m/s. The windiest October on record averaged 5.3 m/s (1998).
The wettest October on record was 2000 with 172 mm. On average, October sees 88 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 Farnham 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.
