October is one of the warmer months of the year in Dover, with average highs near 20°C and lows around 9.9°C (mean 15°C). It is about average for rainfall, averaging 89 mm of rainfall and 77% relative humidity across the period.
October is one of the warmer months of the year in Dover. Across 45 years of records, the warmest October in Dover was 2007 — when the month averaged 19°C — while the coldest was 1988 at 11.7°C. Typical October days reach 20°C with nights near 9.9°C. The long-term trend is warming, about 0.5°C per decade.
October is about average for rainfall in Dover, averaging 89 mm of rainfall. The wettest October on record was 2012 with 220 mm, while the driest was 2024 at 1 mm.
Relative humidity in Dover during October averages 77%. The most humid October was 2009 at 83%, and the least humid was 2024 at 65%.
October receives about 3.3 kWh/m²/day of solar energy in Dover. The sunniest Octobers were 2001 and 2024 at 4 kWh/m²/day, and the cloudiest was 2002 at 2.7.
Average wind speed in Dover during October is 2.9 m/s. The windiest October was 2025 at 3.4 m/s, while the calmest were 1994, 2023 and 2024 at 2.4 m/s.
Ranked against the other 11 months using 1981–2025 averages.
| Metric | 1980s | 1990s | 2000s | 2010s | 2020s | Change |
|---|---|---|---|---|---|---|
| Avg Temp | 14.2°C | 14.3°C | 14.8°C | 15.5°C | 16.2°C | +2°C |
| Avg High | 19.5°C | 19.5°C | 19.8°C | 20.3°C | 21.3°C | +1.8°C |
| Avg Low | 9.0°C | 9.0°C | 9.8°C | 10.8°C | 11.0°C | +2°C |
| Avg Rain | 75 mm | 82 mm | 96 mm | 106 mm | 82 mm | +7 mm |
October temperatures in Dover have risen by about 1.3°C between 1981–1985 and 2021–2025.
October has ranged from a record low of -0.9°C (1992) to a record high of 34.9°C (2019).
Rainfall in October is about average for rainfall, averaging 89 mm, with a wettest year of 220 mm.
A good time to visit Dover
October is a good time to visit Dover, with days averaging 20°C and nights around 9.9°C (mean 15°C, warmer than Dover's yearly average) and higher rainfall. June and September 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 | 20.5°C | 15.4°C | 10.3°C | 28.1°C | 4.4°C | 74 mm | 72% | 3.4 m/s | 3.6 |
| 2024 | 23.4°C | 17.0°C | 10.6°C | 28.9°C | 5.1°C | 1 mm | 65% | 2.4 m/s | 4 |
| 2023 | 21.4°C | 16.2°C | 11.0°C | 26.7°C | 5.8°C | 40 mm | 78% | 2.4 m/s | 3.5 |
| 2022 | 18.7°C | 13.9°C | 9.1°C | 23.7°C | 3.6°C | 130 mm | 81% | 2.9 m/s | 3.2 |
| 2021 | 23.5°C | 18.6°C | 13.6°C | 29.1°C | 7.9°C | 88 mm | 79% | 3 m/s | 3.1 |
| 2020 | 20.3°C | 15.9°C | 11.4°C | 25.5°C | 1.5°C | 157 mm | 82% | 2.5 m/s | 3.1 |
| 2019 | 22.5°C | 17.6°C | 12.6°C | 34.9°C | 5.7°C | 49 mm | 71% | 3.2 m/s | 3 |
| 2018 | 20.0°C | 15.5°C | 11.0°C | 29.2°C | 1.5°C | 126 mm | 81% | 2.9 m/s | 3.1 |
| 2017 | 22.6°C | 17.5°C | 12.4°C | 29.2°C | 4.8°C | 105 mm | 76% | 2.9 m/s | 3.3 |
| 2016 | 20.0°C | 15.4°C | 10.8°C | 25.9°C | 2.2°C | 80 mm | 81% | 2.9 m/s | 3.4 |
| 2015 | 18.8°C | 14.1°C | 9.3°C | 25.7°C | 0.9°C | 100 mm | 79% | 3.1 m/s | 3.4 |
| 2014 | 20.6°C | 15.7°C | 10.7°C | 27.0°C | 4.1°C | 72 mm | 76% | 3.2 m/s | 3.1 |
| 2013 | 20.8°C | 15.9°C | 11.1°C | 31.0°C | 0.9°C | 114 mm | 79% | 2.9 m/s | 3.2 |
| 2012 🌧️ | 20.2°C | 15.4°C | 10.6°C | 29.0°C | 2.5°C | 220 mm | 79% | 3 m/s | 2.8 |
| 2011 | 18.5°C | 14.0°C | 9.5°C | 26.9°C | 0.5°C | 78 mm | 81% | 2.9 m/s | 3.2 |
| 2010 | 19.0°C | 14.4°C | 9.8°C | 26.1°C | 3.5°C | 114 mm | 82% | 3.2 m/s | 3.2 |
| 2009 | 17.9°C | 13.6°C | 9.2°C | 26.1°C | 1.9°C | 167 mm | 83% | 3.1 m/s | 2.9 |
| 2008 | 19.5°C | 14.2°C | 8.8°C | 29.1°C | 1.4°C | 39 mm | 73% | 2.9 m/s | 3.6 |
| 2007 🔥 | 24.2°C | 19.0°C | 13.8°C | 32.4°C | 3.6°C | 126 mm | 76% | 2.7 m/s | 3.3 |
| 2006 | 18.9°C | 13.9°C | 8.9°C | 28.0°C | 2.5°C | 112 mm | 75% | 3.3 m/s | 3.3 |
| 2005 | 20.4°C | 15.8°C | 11.2°C | 29.5°C | 2.0°C | 172 mm | 80% | 3.3 m/s | 2.8 |
| 2004 | 19.2°C | 14.4°C | 9.6°C | 24.6°C | 4.1°C | 38 mm | 81% | 2.5 m/s | 3.1 |
| 2003 | 18.2°C | 13.5°C | 8.8°C | 24.2°C | 0.8°C | 102 mm | 80% | 2.9 m/s | 3.3 |
| 2002 | 19.1°C | 14.8°C | 10.5°C | 30.7°C | 2.2°C | 176 mm | 80% | 2.9 m/s | 2.7 |
| 2001 | 20.8°C | 14.8°C | 8.8°C | 28.0°C | 0.1°C | 21 mm | 68% | 3.1 m/s | 4 |
| 2000 | 20.0°C | 14.4°C | 8.7°C | 27.4°C | 1.9°C | 5 mm | 74% | 2.6 m/s | 3.6 |
| 1999 | 18.1°C | 13.1°C | 8.2°C | 24.5°C | 3.8°C | 90 mm | 82% | 2.7 m/s | 3.5 |
| 1998 | 20.3°C | 14.9°C | 9.4°C | 27.7°C | 3.6°C | 56 mm | 71% | 2.9 m/s | 3.2 |
| 1997 | 19.9°C | 14.6°C | 9.3°C | 31.1°C | 0.9°C | 81 mm | 73% | 2.8 m/s | 3.5 |
| 1996 | 18.5°C | 13.6°C | 8.6°C | 25.5°C | 2.7°C | 127 mm | 80% | 2.9 m/s | 3.3 |
| 1995 | 21.4°C | 16.0°C | 10.7°C | 29.1°C | 4.1°C | 152 mm | 77% | 2.9 m/s | 3.5 |
| 1994 | 18.9°C | 13.4°C | 7.9°C | 25.3°C | 3.7°C | 34 mm | 74% | 2.4 m/s | 3.6 |
| 1993 | 19.1°C | 13.8°C | 8.4°C | 26.7°C | 3.7°C | 93 mm | 75% | 2.8 m/s | 3.3 |
| 1992 | 17.3°C | 12.3°C | 7.4°C | 24.8°C | -0.9°C | 45 mm | 76% | 2.8 m/s | 3.1 |
| 1991 | 20.0°C | 14.6°C | 9.2°C | 27.8°C | 1.4°C | 60 mm | 77% | 2.7 m/s | 3.4 |
| 1990 | 21.8°C | 16.5°C | 11.2°C | 28.6°C | 0.1°C | 82 mm | 73% | 3.3 m/s | 3.6 |
| 1989 | 19.4°C | 14.3°C | 9.1°C | 25.7°C | 3.2°C | 113 mm | 82% | 2.7 m/s | 3.3 |
| 1988 ❄️ | 17.1°C | 11.7°C | 6.3°C | 26.7°C | -0.8°C | 63 mm | 71% | 3 m/s | 3.5 |
| 1987 | 18.1°C | 12.0°C | 5.9°C | 23.4°C | 1.1°C | 65 mm | 72% | 3 m/s | 3.5 |
| 1986 | 20.7°C | 15.4°C | 10.2°C | 30.7°C | 2.5°C | 70 mm | 72% | 2.6 m/s | 3.2 |
| 1985 | 19.8°C | 15.1°C | 10.5°C | 26.4°C | 0.1°C | 62 mm | 79% | 2.7 m/s | 3.2 |
| 1984 | 22.3°C | 17.4°C | 12.5°C | 28.5°C | 5.6°C | 71 mm | 78% | 2.5 m/s | 3.4 |
| 1983 | 19.4°C | 14.7°C | 10.1°C | 28.8°C | 0.2°C | 96 mm | 76% | 2.9 m/s | — |
| 1982 | 19.9°C | 14.5°C | 9.1°C | 28.4°C | 1.8°C | 56 mm | 71% | 2.8 m/s | — |
| 1981 | 18.5°C | 13.0°C | 7.5°C | 28.2°C | 2.5°C | 76 mm | 72% | 3.3 m/s | — |
Actual recorded October data for each year, 1981–2025 — sourced from NASA POWER.
The average high in October is around 20°C with lows near 9.9°C (mean 15°C), based on 45 years of NASA POWER data.
October averages 89 mm of rainfall in Dover, about average for rainfall. The wettest on record was 220 mm in 2012.
The hottest October reached 34.9°C in 2019. The coldest dipped to -0.9°C in 1992.
Comparing the earliest years on record (1981–1985) with the most recent (2021–2025), average October temperatures have risen by about 1.3°C. Daytime highs moved from 20°C to 21.5°C and overnight lows from 9.9°C to 10.9°C over the same span.
October is one of the warmer months of the year in Dover and about average for rainfall, so plan for around 20°C daytime highs and 9.9°C at night.
Not quite — October is the 7th coolest month in Dover, averaging 15°C.
For October in Dover, pack light layers you can adjust through the day, with typical highs of 20°C and lows of 9.9°C. Bring an umbrella or light rain jacket too.
Relative humidity in October averages 77% — quite humid.
Average wind speed in October is 2.9 m/s. The windiest October on record averaged 3.4 m/s (2025).
The wettest October on record was 2012 with 220 mm. On average, October sees 89 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 Dover 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.
