October is one of the warmer months of the year in Chester, with average highs near 13.6°C and lows around 6.3°C (mean 10°C). It is a relatively wet time of year, averaging 108 mm of rainfall and 85% relative humidity across the period.
October is one of the warmer months of the year in Chester. Across 45 years of records, the warmest October in Chester was 2017 — when the month averaged 12.6°C — while the coldest was 1993 at 7.6°C. Typical October days reach 13.6°C with nights near 6.3°C. The long-term trend is warming, about 0.5°C per decade.
October is a relatively wet time of year in Chester, averaging 108 mm of rainfall. The wettest October on record was 2005 with 285 mm, while the driest was 1984 at 37 mm.
Relative humidity in Chester during October averages 85%. The most humid October was 2023 at 89%, and the least humid was 1999 at 79%.
October receives about 2.7 kWh/m²/day of solar energy in Chester. The sunniest October was 2017 at 3.2 kWh/m²/day, and the cloudiest was 2018 at 2.2.
Average wind speed in Chester during October is 1.5 m/s. The windiest Octobers were 2010, 2015 and 2018, among others at 1.6 m/s, while the calmest was 2022 at 1.2 m/s.
Ranked against the other 11 months using 1981–2025 averages.
| Metric | 1980s | 1990s | 2000s | 2010s | 2020s | Change |
|---|---|---|---|---|---|---|
| Avg Temp | 9.1°C | 9.4°C | 9.9°C | 10.5°C | 11.4°C | +2.3°C |
| Avg High | 12.9°C | 13.0°C | 13.5°C | 14.0°C | 15.1°C | +2.2°C |
| Avg Low | 5.2°C | 5.7°C | 6.4°C | 7.0°C | 7.8°C | +2.6°C |
| Avg Rain | 91 mm | 93 mm | 111 mm | 147 mm | 90 mm | 0 mm |
October temperatures in Chester have risen by about 2.3°C between 1981–1985 and 2021–2025.
October has ranged from a record low of -2.6°C (1985) to a record high of 24.8°C (2025).
Rainfall in October is a relatively wet time of year, averaging 108 mm, with a wettest year of 285 mm.
A good time to visit Chester
October is a good time to visit Chester, with days averaging 13.6°C and nights around 6.3°C (mean 10°C, warmer than Chester'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 | 15.3°C | 11.6°C | 8.0°C | 24.8°C | 4.3°C | 102 mm | 85% | 1.5 m/s | 2.8 |
| 2024 | 14.3°C | 10.5°C | 6.8°C | 18.4°C | -0.9°C | 67 mm | 85% | 1.4 m/s | 2.9 |
| 2023 | 15.5°C | 12.1°C | 8.7°C | 21.7°C | 0.0°C | 103 mm | 89% | 1.3 m/s | 2.6 |
| 2022 | 15.6°C | 11.9°C | 8.3°C | 22.4°C | 3.2°C | 108 mm | 88% | 1.2 m/s | 2.8 |
| 2021 | 15.8°C | 12.1°C | 8.5°C | 22.0°C | 5.1°C | 65 mm | 86% | 1.4 m/s | 2.7 |
| 2020 | 13.8°C | 10.0°C | 6.2°C | 19.2°C | -1.9°C | 97 mm | 85% | 1.4 m/s | 2.8 |
| 2019 | 13.1°C | 9.8°C | 6.4°C | 18.2°C | 1.7°C | 110 mm | 85% | 1.5 m/s | 2.6 |
| 2018 | 12.8°C | 9.2°C | 5.6°C | 19.5°C | -1.5°C | 226 mm | 86% | 1.6 m/s | 2.2 |
| 2017 🔥 | 16.4°C | 12.6°C | 8.7°C | 22.0°C | 4.0°C | 65 mm | 84% | 1.5 m/s | 3.2 |
| 2016 | 14.0°C | 10.4°C | 6.8°C | 20.8°C | 1.9°C | 188 mm | 87% | 1.4 m/s | 2.7 |
| 2015 | 13.1°C | 9.0°C | 5.0°C | 19.9°C | -1.5°C | 197 mm | 85% | 1.6 m/s | 2.8 |
| 2014 | 15.2°C | 11.9°C | 8.7°C | 20.9°C | 3.7°C | 123 mm | 89% | 1.5 m/s | 2.3 |
| 2013 | 13.9°C | 10.1°C | 6.2°C | 20.7°C | -0.6°C | 103 mm | 84% | 1.4 m/s | 3 |
| 2012 | 14.5°C | 11.1°C | 7.6°C | 20.4°C | 0.4°C | 87 mm | 87% | 1.5 m/s | 2.6 |
| 2011 | 13.9°C | 10.8°C | 7.6°C | 22.3°C | 0.4°C | 254 mm | 87% | 1.5 m/s | 2.5 |
| 2010 | 13.4°C | 10.2°C | 7.1°C | 22.9°C | 2.1°C | 117 mm | 84% | 1.6 m/s | 2.5 |
| 2009 | 11.2°C | 7.7°C | 4.3°C | 16.6°C | -0.2°C | 145 mm | 85% | 1.6 m/s | 2.3 |
| 2008 | 12.5°C | 9.4°C | 6.3°C | 17.2°C | 1.3°C | 63 mm | 87% | 1.5 m/s | 2.7 |
| 2007 | 14.6°C | 10.9°C | 7.2°C | 21.8°C | 0.3°C | 60 mm | 86% | 1.3 m/s | 2.9 |
| 2006 | 13.6°C | 9.9°C | 6.3°C | 19.6°C | 1.7°C | 115 mm | 84% | 1.6 m/s | 2.6 |
| 2005 🌧️ | 14.6°C | 11.6°C | 8.6°C | 21.9°C | 2.7°C | 285 mm | 89% | 1.6 m/s | 2.4 |
| 2004 | 13.7°C | 10.4°C | 7.0°C | 18.8°C | -0.1°C | 96 mm | 87% | 1.5 m/s | 2.4 |
| 2003 | 13.6°C | 10.0°C | 6.3°C | 19.6°C | 0.8°C | 132 mm | 86% | 1.4 m/s | 2.8 |
| 2002 | 12.4°C | 8.4°C | 4.5°C | 23.5°C | -0.9°C | 58 mm | 80% | 1.6 m/s | 2.9 |
| 2001 | 14.9°C | 11.0°C | 7.1°C | 21.3°C | 0.6°C | 65 mm | 83% | 1.4 m/s | 3 |
| 2000 | 13.6°C | 9.9°C | 6.1°C | 18.0°C | 1.3°C | 95 mm | 85% | 1.6 m/s | 2.7 |
| 1999 | 13.1°C | 9.0°C | 4.8°C | 18.9°C | 0.1°C | 75 mm | 79% | 1.6 m/s | 2.8 |
| 1998 | 12.1°C | 8.7°C | 5.3°C | 18.5°C | -1.1°C | 89 mm | 85% | 1.6 m/s | 2.5 |
| 1997 | 12.0°C | 8.2°C | 4.5°C | 18.4°C | -0.8°C | 54 mm | 82% | 1.4 m/s | 2.8 |
| 1996 | 11.7°C | 8.2°C | 4.8°C | 17.4°C | 0.3°C | 110 mm | 85% | 1.5 m/s | 2.7 |
| 1995 | 15.4°C | 11.8°C | 8.3°C | 21.1°C | 0.4°C | 106 mm | 87% | 1.4 m/s | 2.4 |
| 1994 | 13.3°C | 9.7°C | 6.1°C | 18.6°C | 1.5°C | 40 mm | 85% | 1.4 m/s | 2.7 |
| 1993 ❄️ | 11.8°C | 7.6°C | 3.5°C | 17.5°C | -1.7°C | 167 mm | 82% | 1.5 m/s | 2.6 |
| 1992 | 12.1°C | 8.6°C | 5.1°C | 18.2°C | 1.0°C | 92 mm | 84% | 1.5 m/s | 2.5 |
| 1991 | 14.1°C | 10.6°C | 7.1°C | 19.4°C | 1.2°C | 78 mm | 86% | 1.5 m/s | 2.5 |
| 1990 | 14.7°C | 11.2°C | 7.7°C | 23.1°C | -1.9°C | 118 mm | 85% | 1.5 m/s | 2.3 |
| 1989 | 13.2°C | 9.1°C | 5.1°C | 18.3°C | 0.7°C | 105 mm | 86% | 1.4 m/s | 2.7 |
| 1988 | 11.7°C | 8.1°C | 4.5°C | 20.9°C | -1.3°C | 211 mm | 85% | 1.5 m/s | 2.5 |
| 1987 | 13.5°C | 9.6°C | 5.7°C | 19.4°C | 1.2°C | 162 mm | 87% | 1.3 m/s | 2.8 |
| 1986 | 12.2°C | 8.2°C | 4.3°C | 17.8°C | -1.1°C | 72 mm | 85% | 1.4 m/s | 2.6 |
| 1985 | 12.7°C | 9.1°C | 5.5°C | 20.7°C | -2.6°C | 55 mm | 82% | 1.5 m/s | 2.7 |
| 1984 | 13.0°C | 9.2°C | 5.3°C | 19.8°C | 0.2°C | 37 mm | 84% | 1.4 m/s | 3 |
| 1983 | 13.7°C | 10.0°C | 6.3°C | 22.8°C | -0.4°C | 56 mm | 83% | 1.5 m/s | — |
| 1982 | 13.2°C | 9.3°C | 5.4°C | 20.7°C | 0.1°C | 41 mm | 84% | 1.4 m/s | — |
| 1981 | 13.0°C | 9.0°C | 5.0°C | 16.7°C | -1.0°C | 76 mm | 83% | 1.5 m/s | — |
Actual recorded October data for each year, 1981–2025 — sourced from NASA POWER.
The average high in October is around 13.6°C with lows near 6.3°C (mean 10°C), based on 45 years of NASA POWER data.
October averages 108 mm of rainfall in Chester, a relatively wet time of year. The wettest on record was 285 mm in 2005.
The hottest October reached 24.8°C in 2025. The coldest dipped to -2.6°C in 1985.
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 13.1°C to 15.3°C and overnight lows from 5.5°C to 8.1°C over the same span.
October is one of the warmer months of the year in Chester and a relatively wet time of year, so plan for around 13.6°C daytime highs and 6.3°C at night.
Not quite — October is the 8th coolest month in Chester, averaging 10°C.
For October in Chester, pack warm layers and a jacket for chilly mornings, with typical highs of 13.6°C and lows of 6.3°C. Bring an umbrella or light rain jacket too.
Relative humidity in October averages 85% — quite humid.
Average wind speed in October is 1.5 m/s. The windiest October on record averaged 1.6 m/s (1998).
The wettest October on record was 2005 with 285 mm. On average, October sees 108 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 Chester 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.
