October is one of the warmer months of the year in Ballymena, with average highs near 12.2°C and lows around 8.4°C (mean 10.3°C). It is a relatively wet time of year, averaging 120 mm of rainfall and 88% relative humidity across the period.
October is one of the warmer months of the year in Ballymena. Across 45 years of records, the warmest Octobers in Ballymena were 2001 and 2006 — when the month averaged 11.9°C — while the coldest was 1981 at 7.5°C. Typical October days reach 12.2°C with nights near 8.4°C. The long-term trend is warming, about 0.4°C per decade.
October is a relatively wet time of year in Ballymena, averaging 120 mm of rainfall. The wettest October on record was 2002 with 207 mm, while the driest was 2016 at 44 mm.
Relative humidity in Ballymena during October averages 88%. The most humid October was 2001 at 91%, and the least humid was 1998 at 85%.
October receives about 1.5 kWh/m²/day of solar energy in Ballymena. The sunniest Octobers were 2015, 2019 and 2020, among others at 1.7 kWh/m²/day, and the cloudiest were 2011, 2017 and 2025, among others at 1.3.
Average wind speed in Ballymena during October is 5.3 m/s. The windiest October was 1983 at 6.8 m/s, while the calmest was 1993 at 3.7 m/s.
Ranked against the other 11 months using 1981–2025 averages.
| Metric | 1980s | 1990s | 2000s | 2010s | 2020s | Change |
|---|---|---|---|---|---|---|
| Avg Temp | 9.6°C | 10.0°C | 10.6°C | 10.4°C | 11.1°C | +1.5°C |
| Avg High | 11.6°C | 11.8°C | 12.4°C | 12.4°C | 13.0°C | +1.4°C |
| Avg Low | 7.7°C | 8.2°C | 8.8°C | 8.5°C | 9.2°C | +1.5°C |
| Avg Rain | 122 mm | 113 mm | 130 mm | 111 mm | 129 mm | +6 mm |
October temperatures in Ballymena have risen by about 1.8°C between 1981–1985 and 2021–2025.
October has ranged from a record low of 2.6°C (1983) to a record high of 18.4°C (2023).
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 Ballymena
October is a good time to visit Ballymena, with days averaging 12.2°C and nights around 8.4°C (mean 10.3°C, warmer than Ballymena'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 | 12.8°C | 11.1°C | 9.4°C | 17.5°C | 6.3°C | 116 mm | 88% | 5.2 m/s | 1.3 |
| 2024 | 13.3°C | 11.1°C | 9.0°C | 15.8°C | 5.3°C | 71 mm | 90% | 5.3 m/s | 1.5 |
| 2023 | 13.3°C | 11.4°C | 9.5°C | 18.4°C | 5.8°C | 127 mm | 88% | 5.3 m/s | 1.6 |
| 2022 | 13.5°C | 11.6°C | 9.6°C | 15.3°C | 6.6°C | 157 mm | 90% | 5.8 m/s | 1.4 |
| 2021 | 13.4°C | 11.4°C | 9.4°C | 17.7°C | 6.6°C | 127 mm | 89% | 5 m/s | 1.6 |
| 2020 | 11.6°C | 9.9°C | 8.1°C | 14.2°C | 5.9°C | 173 mm | 88% | 5.5 m/s | 1.7 |
| 2019 | 11.5°C | 9.6°C | 7.7°C | 15.0°C | 3.8°C | 96 mm | 87% | 5.2 m/s | 1.7 |
| 2018 | 12.1°C | 9.9°C | 7.8°C | 16.6°C | 3.4°C | 86 mm | 86% | 5.4 m/s | 1.6 |
| 2017 | 13.1°C | 11.3°C | 9.4°C | 15.9°C | 5.9°C | 118 mm | 90% | 5.8 m/s | 1.3 |
| 2016 | 12.5°C | 10.7°C | 8.9°C | 14.9°C | 6.3°C | 44 mm | 88% | 4.5 m/s | 1.6 |
| 2015 | 12.7°C | 10.7°C | 8.6°C | 16.3°C | 6.5°C | 66 mm | 88% | 4.1 m/s | 1.7 |
| 2014 | 12.9°C | 10.9°C | 8.9°C | 16.3°C | 6.5°C | 138 mm | 88% | 5.6 m/s | 1.6 |
| 2013 | 13.0°C | 11.2°C | 9.3°C | 17.6°C | 5.7°C | 150 mm | 90% | 5.4 m/s | 1.5 |
| 2012 | 10.6°C | 8.7°C | 6.9°C | 13.1°C | 3.1°C | 131 mm | 88% | 4.1 m/s | 1.7 |
| 2011 | 12.8°C | 11.0°C | 9.2°C | 16.2°C | 6.2°C | 197 mm | 90% | 5.9 m/s | 1.3 |
| 2010 | 12.4°C | 10.2°C | 8.0°C | 16.8°C | 2.6°C | 79 mm | 88% | 5.1 m/s | 1.7 |
| 2009 | 13.0°C | 11.2°C | 9.4°C | 15.0°C | 6.7°C | 99 mm | 89% | 5 m/s | 1.5 |
| 2008 | 11.3°C | 9.3°C | 7.4°C | 16.0°C | 3.1°C | 150 mm | 88% | 6.2 m/s | 1.6 |
| 2007 | 13.9°C | 11.8°C | 9.8°C | 17.2°C | 6.5°C | 63 mm | 90% | 4.4 m/s | 1.6 |
| 2006 | 13.9°C | 11.9°C | 9.9°C | 16.7°C | 6.7°C | 139 mm | 91% | 5 m/s | 1.5 |
| 2005 | 13.4°C | 11.5°C | 9.7°C | 16.3°C | 6.4°C | 141 mm | 90% | 5.5 m/s | 1.4 |
| 2004 | 11.2°C | 9.6°C | 8.0°C | 14.6°C | 3.6°C | 153 mm | 88% | 5.1 m/s | 1.6 |
| 2003 | 11.2°C | 9.5°C | 7.8°C | 15.3°C | 4.0°C | 49 mm | 87% | 5.2 m/s | 1.6 |
| 2002 🌧️ | 11.2°C | 9.5°C | 7.9°C | 17.2°C | 3.8°C | 207 mm | 89% | 5 m/s | 1.4 |
| 2001 🔥 | 13.7°C | 11.9°C | 10.1°C | 16.7°C | 7.5°C | 129 mm | 91% | 6 m/s | 1.4 |
| 2000 | 11.4°C | 9.5°C | 7.5°C | 17.1°C | 4.0°C | 171 mm | 89% | 6.3 m/s | 1.3 |
| 1999 | 12.2°C | 10.5°C | 8.9°C | 16.3°C | 5.6°C | 60 mm | 88% | 5.8 m/s | 1.4 |
| 1998 | 11.9°C | 10.0°C | 8.2°C | 16.1°C | 4.5°C | 150 mm | 85% | 6.3 m/s | 1.6 |
| 1997 | 12.5°C | 10.5°C | 8.6°C | 17.0°C | 4.5°C | 74 mm | 87% | 4.4 m/s | 1.5 |
| 1996 | 12.5°C | 10.7°C | 8.9°C | 15.7°C | 6.0°C | 144 mm | 90% | 6.2 m/s | 1.4 |
| 1995 | 13.8°C | 11.8°C | 9.7°C | 18.1°C | 6.0°C | 175 mm | 89% | 5.9 m/s | 1.5 |
| 1994 | 12.1°C | 10.2°C | 8.3°C | 15.5°C | 4.9°C | 86 mm | 90% | 5 m/s | 1.7 |
| 1993 | 9.7°C | 7.8°C | 6.0°C | 12.5°C | 2.6°C | 56 mm | 86% | 3.7 m/s | 1.7 |
| 1992 | 9.5°C | 7.8°C | 6.2°C | 14.3°C | 3.0°C | 85 mm | 87% | 4.5 m/s | 1.6 |
| 1991 | 11.5°C | 9.7°C | 7.8°C | 15.6°C | 5.6°C | 107 mm | 87% | 5.7 m/s | 1.5 |
| 1990 | 12.5°C | 10.8°C | 9.1°C | 16.6°C | 3.9°C | 191 mm | 89% | 5.9 m/s | 1.3 |
| 1989 | 12.6°C | 10.8°C | 9.0°C | 16.0°C | 6.3°C | 150 mm | 89% | 5.6 m/s | 1.3 |
| 1988 | 11.9°C | 10.1°C | 8.3°C | 15.0°C | 3.3°C | 118 mm | 89% | 5.2 m/s | 1.4 |
| 1987 | 10.6°C | 8.6°C | 6.7°C | 14.7°C | 4.4°C | 122 mm | 89% | 4.7 m/s | 1.7 |
| 1986 | 11.9°C | 9.7°C | 7.4°C | 15.6°C | 4.8°C | 100 mm | 89% | 5.8 m/s | 1.6 |
| 1985 | 12.3°C | 10.5°C | 8.6°C | 17.9°C | 4.2°C | 51 mm | 89% | 4.2 m/s | 1.7 |
| 1984 | 11.9°C | 9.9°C | 7.9°C | 16.2°C | 4.6°C | 129 mm | 88% | 5.4 m/s | 1.6 |
| 1983 | 11.9°C | 10.0°C | 8.1°C | 17.4°C | 2.6°C | 135 mm | 86% | 6.8 m/s | — |
| 1982 | 11.7°C | 9.7°C | 7.8°C | 15.1°C | 4.9°C | 136 mm | 87% | 5.6 m/s | — |
| 1981 ❄️ | 9.2°C | 7.5°C | 5.7°C | 12.9°C | 3.8°C | 161 mm | 86% | 5.8 m/s | — |
Actual recorded October data for each year, 1981–2025 — sourced from NASA POWER.
The average high in October is around 12.2°C with lows near 8.4°C (mean 10.3°C), based on 45 years of NASA POWER data.
October averages 120 mm of rainfall in Ballymena, a relatively wet time of year. The wettest on record was 207 mm in 2002.
The hottest October reached 18.4°C in 2023. The coldest dipped to 2.6°C in 1983.
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 11.4°C to 13.3°C and overnight lows from 7.6°C to 9.4°C over the same span.
October is one of the warmer months of the year in Ballymena and a relatively wet time of year, so plan for around 12.2°C daytime highs and 8.4°C at night.
Not quite — October is the 8th coolest month in Ballymena, averaging 10.3°C.
For October in Ballymena, pack light layers you can adjust through the day, with typical highs of 12.2°C and lows of 8.4°C. Bring an umbrella or light rain jacket too.
Relative humidity in October averages 88% — quite humid.
Average wind speed in October is 5.3 m/s. The windiest October on record averaged 6.8 m/s (1983).
The wettest October on record was 2002 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 Ballymena 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.
