October is one of the warmer months of the year in Bangor, with average highs near 13.3°C and lows around 10.4°C (mean 11.9°C). It is a relatively wet time of year, averaging 132 mm of rainfall and 85% relative humidity across the period.
October is one of the warmer months of the year in Bangor. Across 45 years of records, the warmest October in Bangor was 2022 — when the month averaged 13.6°C — while the coldest was 1992 at 9.1°C. Typical October days reach 13.3°C with nights near 10.4°C. The long-term trend is warming, about 0.4°C per decade.
October is a relatively wet time of year in Bangor, averaging 132 mm of rainfall. The wettest October on record was 2000 with 225 mm, while the driest was 1985 at 53 mm.
Relative humidity in Bangor during October averages 85%. The most humid October was 2013 at 88%, and the least humid was 1993 at 82%.
October receives about 1.6 kWh/m²/day of solar energy in Bangor. The sunniest October was 2010 at 1.9 kWh/m²/day, and the cloudiest were 2011, 2017 and 2025, among others at 1.4.
Average wind speed in Bangor during October is 5.7 m/s. The windiest Octobers were 1983 and 1998 at 7 m/s, while the calmest was 2007 at 3.8 m/s.
Ranked against the other 11 months using 1981–2025 averages.
| Metric | 1980s | 1990s | 2000s | 2010s | 2020s | Change |
|---|---|---|---|---|---|---|
| Avg Temp | 11.2°C | 11.4°C | 12.1°C | 12.1°C | 12.7°C | +1.5°C |
| Avg High | 12.7°C | 12.9°C | 13.5°C | 13.5°C | 14.0°C | +1.3°C |
| Avg Low | 9.8°C | 9.9°C | 10.7°C | 10.6°C | 11.3°C | +1.5°C |
| Avg Rain | 131 mm | 114 mm | 147 mm | 120 mm | 161 mm | +30 mm |
October temperatures in Bangor have risen by about 1.8°C between 1981–1985 and 2021–2025.
October has ranged from a record low of 4.1°C (1988) to a record high of 19.3°C (1997).
Rainfall in October is a relatively wet time of year, averaging 132 mm, with a wettest year of 225 mm.
A good time to visit Bangor
October is a good time to visit Bangor, with days averaging 13.3°C and nights around 10.4°C (mean 11.9°C, warmer than Bangor'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 | 13.9°C | 12.5°C | 11.0°C | 16.9°C | 8.5°C | 117 mm | 85% | 5.6 m/s | 1.4 |
| 2024 | 14.0°C | 12.4°C | 10.9°C | 16.0°C | 7.6°C | 95 mm | 86% | 5 m/s | 1.8 |
| 2023 | 14.2°C | 12.9°C | 11.6°C | 17.3°C | 8.8°C | 212 mm | 87% | 5 m/s | 1.7 |
| 2022 🔥 | 15.0°C | 13.6°C | 12.2°C | 16.3°C | 10.3°C | 147 mm | 85% | 6.2 m/s | 1.8 |
| 2021 | 14.2°C | 13.1°C | 11.9°C | 16.9°C | 8.9°C | 207 mm | 86% | 6 m/s | 1.6 |
| 2020 | 12.7°C | 11.4°C | 10.2°C | 14.9°C | 8.6°C | 189 mm | 84% | 6.2 m/s | 1.7 |
| 2019 | 12.8°C | 11.4°C | 10.1°C | 15.7°C | 6.1°C | 173 mm | 84% | 5.4 m/s | 1.6 |
| 2018 | 13.0°C | 11.5°C | 10.0°C | 18.5°C | 4.4°C | 138 mm | 84% | 5.3 m/s | 1.7 |
| 2017 | 14.2°C | 12.9°C | 11.6°C | 17.0°C | 7.4°C | 114 mm | 86% | 6.4 m/s | 1.4 |
| 2016 | 13.3°C | 11.8°C | 10.2°C | 16.4°C | 8.2°C | 59 mm | 85% | 4.4 m/s | 1.8 |
| 2015 | 13.7°C | 12.0°C | 10.3°C | 17.3°C | 8.5°C | 68 mm | 84% | 4.2 m/s | 1.8 |
| 2014 | 14.3°C | 13.0°C | 11.7°C | 16.9°C | 8.9°C | 154 mm | 85% | 6.4 m/s | 1.7 |
| 2013 | 14.2°C | 12.9°C | 11.5°C | 17.0°C | 8.7°C | 171 mm | 88% | 6 m/s | 1.5 |
| 2012 | 11.9°C | 10.5°C | 9.1°C | 14.8°C | 4.8°C | 131 mm | 85% | 5.1 m/s | 1.7 |
| 2011 | 14.2°C | 12.9°C | 11.6°C | 18.0°C | 7.9°C | 104 mm | 87% | 6.3 m/s | 1.4 |
| 2010 | 13.3°C | 11.8°C | 10.3°C | 18.3°C | 6.2°C | 94 mm | 84% | 5.5 m/s | 1.9 |
| 2009 | 13.9°C | 12.5°C | 11.1°C | 15.6°C | 8.9°C | 100 mm | 86% | 4.8 m/s | 1.7 |
| 2008 | 12.3°C | 11.0°C | 9.8°C | 16.0°C | 4.5°C | 208 mm | 85% | 6.7 m/s | 1.5 |
| 2007 | 14.0°C | 12.5°C | 11.1°C | 16.3°C | 6.2°C | 55 mm | 85% | 3.8 m/s | 1.8 |
| 2006 | 14.9°C | 13.4°C | 11.9°C | 16.7°C | 8.8°C | 135 mm | 86% | 5.6 m/s | 1.8 |
| 2005 | 14.6°C | 13.1°C | 11.7°C | 17.2°C | 8.7°C | 193 mm | 86% | 5.5 m/s | 1.5 |
| 2004 | 12.9°C | 11.4°C | 9.9°C | 15.7°C | 7.9°C | 190 mm | 85% | 6.1 m/s | 1.7 |
| 2003 | 12.2°C | 10.6°C | 9.0°C | 16.7°C | 4.8°C | 83 mm | 83% | 5.4 m/s | 1.8 |
| 2002 | 12.9°C | 11.3°C | 9.7°C | 17.5°C | 6.6°C | 171 mm | 85% | 5.5 m/s | 1.6 |
| 2001 | 14.7°C | 13.5°C | 12.3°C | 16.8°C | 9.7°C | 113 mm | 87% | 6.4 m/s | 1.7 |
| 2000 🌧️ | 12.8°C | 11.4°C | 10.1°C | 17.6°C | 5.6°C | 225 mm | 84% | 6.8 m/s | 1.6 |
| 1999 | 13.3°C | 11.7°C | 10.2°C | 15.5°C | 7.2°C | 107 mm | 84% | 5.7 m/s | 1.6 |
| 1998 | 13.1°C | 11.6°C | 10.1°C | 16.4°C | 7.4°C | 220 mm | 83% | 7 m/s | 1.6 |
| 1997 | 13.5°C | 11.7°C | 10.0°C | 19.3°C | 4.9°C | 75 mm | 85% | 5 m/s | 1.6 |
| 1996 | 13.6°C | 12.3°C | 11.0°C | 17.4°C | 8.9°C | 138 mm | 85% | 6.9 m/s | 1.6 |
| 1995 | 15.0°C | 13.5°C | 12.0°C | 19.0°C | 8.6°C | 83 mm | 86% | 6.6 m/s | 1.7 |
| 1994 | 13.0°C | 11.3°C | 9.5°C | 16.6°C | 6.4°C | 96 mm | 85% | 5.1 m/s | 1.8 |
| 1993 | 10.8°C | 9.3°C | 7.8°C | 14.2°C | 4.4°C | 55 mm | 82% | 4.3 m/s | 1.6 |
| 1992 ❄️ | 10.4°C | 9.1°C | 7.8°C | 14.2°C | 5.8°C | 97 mm | 83% | 5.3 m/s | 1.6 |
| 1991 | 12.7°C | 11.2°C | 9.8°C | 17.7°C | 6.3°C | 130 mm | 83% | 5.6 m/s | 1.6 |
| 1990 | 13.8°C | 12.4°C | 10.9°C | 18.6°C | 7.9°C | 135 mm | 86% | 6.6 m/s | 1.5 |
| 1989 | 13.9°C | 12.5°C | 11.0°C | 16.6°C | 7.8°C | 129 mm | 85% | 6.2 m/s | 1.4 |
| 1988 | 12.8°C | 11.2°C | 9.7°C | 15.6°C | 4.1°C | 117 mm | 86% | 5.4 m/s | 1.6 |
| 1987 | 12.0°C | 10.3°C | 8.7°C | 16.6°C | 6.5°C | 185 mm | 85% | 5.2 m/s | 1.7 |
| 1986 | 13.0°C | 11.5°C | 10.0°C | 17.1°C | 6.8°C | 114 mm | 85% | 5.7 m/s | 1.8 |
| 1985 | 13.0°C | 11.7°C | 10.4°C | 18.9°C | 7.0°C | 53 mm | 85% | 4.4 m/s | 1.6 |
| 1984 | 13.0°C | 11.7°C | 10.5°C | 15.5°C | 8.0°C | 145 mm | 86% | 6.1 m/s | 1.6 |
| 1983 | 12.7°C | 11.3°C | 10.0°C | 16.7°C | 4.9°C | 118 mm | 83% | 7 m/s | — |
| 1982 | 12.7°C | 11.5°C | 10.2°C | 15.3°C | 7.9°C | 132 mm | 84% | 5.7 m/s | — |
| 1981 | 10.9°C | 9.5°C | 8.1°C | 15.2°C | 6.1°C | 187 mm | 82% | 5.9 m/s | — |
Actual recorded October data for each year, 1981–2025 — sourced from NASA POWER.
The average high in October is around 13.3°C with lows near 10.4°C (mean 11.9°C), based on 45 years of NASA POWER data.
October averages 132 mm of rainfall in Bangor, a relatively wet time of year. The wettest on record was 225 mm in 2000.
The hottest October reached 19.3°C in 1997. The coldest dipped to 4.1°C in 1988.
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 12.5°C to 14.3°C and overnight lows from 9.8°C to 11.5°C over the same span.
October is one of the warmer months of the year in Bangor and a relatively wet time of year, so plan for around 13.3°C daytime highs and 10.4°C at night.
Not quite — October is the 8th coolest month in Bangor, averaging 11.9°C.
For October in Bangor, pack light layers you can adjust through the day, with typical highs of 13.3°C and lows of 10.4°C. Bring an umbrella or light rain jacket too.
Relative humidity in October averages 85% — quite humid.
Average wind speed in October is 5.7 m/s. The windiest October on record averaged 7 m/s (1983).
The wettest October on record was 2000 with 225 mm. On average, October sees 132 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 Bangor 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.
