October is one of the warmer months of the year in The Mumbles, with average highs near 14.1°C and lows around 10°C (mean 12.1°C). It is a relatively wet time of year, averaging 120 mm of rainfall and 87% relative humidity across the period.
October is one of the warmer months of the year in The Mumbles. Across 45 years of records, the warmest October in The Mumbles was 2022 — when the month averaged 14°C — while the coldest was 1992 at 9°C. Typical October days reach 14.1°C with nights near 10°C. The long-term trend is warming, about 0.3°C per decade.
October is a relatively wet time of year in The Mumbles, averaging 120 mm of rainfall. The wettest October on record was 2000 with 207 mm, while the driest was 2016 at 53 mm.
Relative humidity in The Mumbles during October averages 87%. The most humid October was 2001 at 90%, and the least humid was 2003 at 84%.
October receives about 1.8 kWh/m²/day of solar energy in The Mumbles. The sunniest Octobers were 1994, 2018 and 2022 at 2.1 kWh/m²/day, and the cloudiest was 2000 at 1.5.
Average wind speed in The Mumbles during October is 4.8 m/s. The windiest October was 1998 at 6.1 m/s, while the calmest was 2007 at 3.3 m/s.
Ranked against the other 11 months using 1981–2025 averages.
| Metric | 1980s | 1990s | 2000s | 2010s | 2020s | Change |
|---|---|---|---|---|---|---|
| Avg Temp | 11.6°C | 11.6°C | 12.3°C | 12.3°C | 12.9°C | +1.3°C |
| Avg High | 13.6°C | 13.8°C | 14.3°C | 14.3°C | 14.9°C | +1.3°C |
| Avg Low | 9.6°C | 9.5°C | 10.3°C | 10.2°C | 10.9°C | +1.3°C |
| Avg Rain | 128 mm | 103 mm | 125 mm | 107 mm | 149 mm | +21 mm |
October temperatures in The Mumbles have risen by about 1.8°C between 1981–1985 and 2021–2025.
October has ranged from a record low of 2.3°C (1993) to a record high of 21.5°C (2011).
Rainfall in October is a relatively wet time of year, averaging 120 mm, with a wettest year of 207 mm.
A good time to visit The Mumbles
October is a good time to visit The Mumbles, with days averaging 14.1°C and nights around 10°C (mean 12.1°C, warmer than The Mumbles'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 | 14.4°C | 12.5°C | 10.6°C | 17.5°C | 7.6°C | 106 mm | 88% | 4.8 m/s | 1.6 |
| 2024 | 14.9°C | 12.6°C | 10.4°C | 17.0°C | 6.8°C | 132 mm | 88% | 3.9 m/s | 1.8 |
| 2023 | 15.4°C | 13.5°C | 11.7°C | 19.5°C | 7.6°C | 146 mm | 89% | 4.3 m/s | 1.9 |
| 2022 🔥 | 16.1°C | 14.0°C | 11.9°C | 18.2°C | 9.5°C | 110 mm | 87% | 4.8 m/s | 2.1 |
| 2021 | 15.2°C | 13.3°C | 11.3°C | 18.0°C | 8.7°C | 205 mm | 88% | 4.7 m/s | 1.9 |
| 2020 | 13.4°C | 11.5°C | 9.7°C | 16.1°C | 6.7°C | 192 mm | 88% | 5.5 m/s | 1.6 |
| 2019 | 13.8°C | 11.8°C | 9.9°C | 17.1°C | 6.1°C | 193 mm | 87% | 4.8 m/s | 1.7 |
| 2018 | 14.1°C | 11.7°C | 9.3°C | 19.6°C | 3.0°C | 88 mm | 88% | 4.5 m/s | 2.1 |
| 2017 | 14.9°C | 13.1°C | 11.2°C | 18.0°C | 6.0°C | 72 mm | 88% | 5.1 m/s | 1.8 |
| 2016 | 13.9°C | 11.6°C | 9.3°C | 16.8°C | 6.9°C | 53 mm | 88% | 4.1 m/s | 2 |
| 2015 | 14.4°C | 12.0°C | 9.5°C | 18.0°C | 6.4°C | 60 mm | 88% | 4 m/s | 1.9 |
| 2014 | 15.2°C | 13.4°C | 11.6°C | 18.4°C | 9.3°C | 122 mm | 88% | 5.2 m/s | 1.7 |
| 2013 | 15.3°C | 13.3°C | 11.4°C | 18.0°C | 7.5°C | 164 mm | 89% | 5.3 m/s | 1.7 |
| 2012 | 12.7°C | 10.8°C | 8.9°C | 16.5°C | 3.0°C | 134 mm | 88% | 4.7 m/s | 1.8 |
| 2011 | 15.1°C | 13.3°C | 11.4°C | 21.5°C | 7.5°C | 89 mm | 88% | 5.1 m/s | 1.9 |
| 2010 | 13.9°C | 11.7°C | 9.4°C | 18.5°C | 3.8°C | 93 mm | 87% | 4.6 m/s | 2 |
| 2009 | 14.9°C | 12.8°C | 10.7°C | 18.5°C | 6.4°C | 73 mm | 87% | 4 m/s | 1.8 |
| 2008 | 13.1°C | 11.1°C | 9.1°C | 18.5°C | 3.5°C | 123 mm | 87% | 5.3 m/s | 2 |
| 2007 | 14.4°C | 12.4°C | 10.3°C | 17.3°C | 5.7°C | 60 mm | 87% | 3.3 m/s | 1.8 |
| 2006 | 15.7°C | 13.7°C | 11.7°C | 18.1°C | 7.9°C | 131 mm | 88% | 5.1 m/s | 1.7 |
| 2005 | 15.6°C | 13.7°C | 11.8°C | 18.2°C | 9.1°C | 137 mm | 88% | 4.8 m/s | 1.6 |
| 2004 | 13.5°C | 11.6°C | 9.7°C | 16.0°C | 7.4°C | 145 mm | 87% | 5.7 m/s | 1.7 |
| 2003 | 12.9°C | 10.7°C | 8.4°C | 17.4°C | 4.1°C | 72 mm | 84% | 5 m/s | 2 |
| 2002 | 13.7°C | 11.6°C | 9.4°C | 17.5°C | 5.8°C | 157 mm | 87% | 4.8 m/s | 1.8 |
| 2001 | 15.6°C | 13.8°C | 12.1°C | 19.6°C | 8.4°C | 149 mm | 90% | 5.2 m/s | 1.7 |
| 2000 🌧️ | 13.2°C | 11.5°C | 9.8°C | 17.5°C | 7.0°C | 207 mm | 86% | 5.8 m/s | 1.5 |
| 1999 | 14.0°C | 11.9°C | 9.8°C | 16.6°C | 6.2°C | 84 mm | 86% | 5 m/s | 2 |
| 1998 | 14.0°C | 11.9°C | 9.8°C | 17.2°C | 6.3°C | 190 mm | 85% | 6.1 m/s | 1.6 |
| 1997 | 14.7°C | 12.1°C | 9.6°C | 19.2°C | 3.6°C | 73 mm | 87% | 4.7 m/s | 2 |
| 1996 | 14.4°C | 12.6°C | 10.8°C | 17.8°C | 8.5°C | 122 mm | 87% | 5.4 m/s | 1.8 |
| 1995 | 16.1°C | 13.9°C | 11.7°C | 20.2°C | 8.9°C | 76 mm | 88% | 4.7 m/s | 1.9 |
| 1994 | 13.7°C | 11.3°C | 8.9°C | 16.9°C | 5.0°C | 114 mm | 87% | 4.5 m/s | 2.1 |
| 1993 | 11.6°C | 9.4°C | 7.1°C | 14.9°C | 2.3°C | 81 mm | 86% | 4.4 m/s | 1.9 |
| 1992 ❄️ | 11.0°C | 9.0°C | 7.0°C | 15.3°C | 3.6°C | 65 mm | 85% | 4.9 m/s | 1.8 |
| 1991 | 13.3°C | 11.3°C | 9.3°C | 19.2°C | 5.6°C | 113 mm | 85% | 4.6 m/s | 1.8 |
| 1990 | 14.7°C | 12.6°C | 10.5°C | 19.3°C | 7.4°C | 112 mm | 86% | 5.4 m/s | 1.7 |
| 1989 | 15.0°C | 12.9°C | 10.9°C | 17.1°C | 9.2°C | 123 mm | 86% | 5.2 m/s | 1.6 |
| 1988 | 13.6°C | 11.6°C | 9.6°C | 16.5°C | 3.4°C | 124 mm | 89% | 4.9 m/s | 1.8 |
| 1987 | 13.1°C | 11.0°C | 8.9°C | 18.2°C | 4.9°C | 188 mm | 86% | 4.7 m/s | 1.7 |
| 1986 | 14.2°C | 11.9°C | 9.6°C | 18.5°C | 6.8°C | 111 mm | 88% | 4.5 m/s | 1.8 |
| 1985 | 13.7°C | 11.7°C | 9.6°C | 19.5°C | 5.3°C | 64 mm | 89% | 4.1 m/s | 1.8 |
| 1984 | 14.2°C | 12.3°C | 10.3°C | 17.5°C | 5.5°C | 114 mm | 87% | 5 m/s | 1.8 |
| 1983 | 13.6°C | 11.6°C | 9.6°C | 17.8°C | 2.4°C | 111 mm | 85% | 5.6 m/s | — |
| 1982 | 13.4°C | 11.5°C | 9.6°C | 15.6°C | 7.3°C | 136 mm | 87% | 4.5 m/s | — |
| 1981 | 11.7°C | 9.9°C | 8.1°C | 16.9°C | 5.1°C | 184 mm | 85% | 5.2 m/s | — |
Actual recorded October data for each year, 1981–2025 — sourced from NASA POWER.
The average high in October is around 14.1°C with lows near 10°C (mean 12.1°C), based on 45 years of NASA POWER data.
October averages 120 mm of rainfall in The Mumbles, a relatively wet time of year. The wettest on record was 207 mm in 2000.
The hottest October reached 21.5°C in 2011. The coldest dipped to 2.3°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 13.3°C to 15.2°C and overnight lows from 9.4°C to 11.2°C over the same span.
October is one of the warmer months of the year in The Mumbles and a relatively wet time of year, so plan for around 14.1°C daytime highs and 10°C at night.
Not quite — October is the 8th coolest month in The Mumbles, averaging 12.1°C.
For October in The Mumbles, pack light layers you can adjust through the day, with typical highs of 14.1°C and lows of 10°C. Bring an umbrella or light rain jacket too.
Relative humidity in October averages 87% — quite humid.
Average wind speed in October is 4.8 m/s. The windiest October on record averaged 6.1 m/s (1998).
The wettest October on record was 2000 with 207 mm. On average, October sees 120 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 The Mumbles 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.
