July is one of the warmer months of the year in Ballymena, with average highs near 16.8°C and lows around 11.7°C (mean 14.3°C). It is about average for rainfall, averaging 92 mm of rainfall and 85% relative humidity across the period.
July is one of the warmer months of the year in Ballymena. Across 45 years of records, the warmest July in Ballymena was 2006 — when the month averaged 16°C — while the coldest was 1993 at 12.7°C. Typical July days reach 16.8°C with nights near 11.7°C. The long-term July temperature trend is broadly flat.
July is about average for rainfall in Ballymena, averaging 92 mm of rainfall. The wettest July on record was 2010 with 161 mm, while the driest was 1983 at 28 mm.
Relative humidity in Ballymena during July averages 85%. The most humid July was 1998 at 87%, and the least humid was 1989 at 83%.
July receives about 4.4 kWh/m²/day of solar energy in Ballymena. The sunniest July was 2013 at 5.3 kWh/m²/day, and the cloudiest was 2002 at 3.6.
Average wind speed in Ballymena during July is 3.8 m/s. The windiest July was 1998 at 4.8 m/s, while the calmest was 2021 at 2.6 m/s.
Ranked against the other 11 months using 1981–2025 averages.
| Metric | 1980s | 1990s | 2000s | 2010s | 2020s | Change |
|---|---|---|---|---|---|---|
| Avg Temp | 14.1°C | 14.2°C | 14.1°C | 14.3°C | 14.6°C | +0.5°C |
| Avg High | 16.7°C | 16.7°C | 16.6°C | 16.8°C | 17.2°C | +0.5°C |
| Avg Low | 11.4°C | 11.6°C | 11.7°C | 11.7°C | 12.0°C | +0.6°C |
| Avg Rain | 79 mm | 90 mm | 89 mm | 110 mm | 92 mm | +13 mm |
July temperatures in Ballymena have risen by about 0.7°C between 1981–1985 and 2021–2025.
July has ranged from a record low of 7.3°C (1993) to a record high of 25.1°C (2021).
Rainfall in July is about average for rainfall, averaging 92 mm, with a wettest year of 161 mm.
One of the best times to visit Ballymena
July is one of the best times to visit Ballymena. Expect days averaging 16.8°C and nights around 11.7°C (mean 14.3°C) — warmer than Ballymena's yearly average — with higher rainfall (92 mm), so conditions are generally comfortable for sightseeing and outdoor plans.
| Year | Avg High | Avg Temp | Avg Low | Hottest Day | Coldest Day | Rainfall | Humidity | Wind | Solar |
|---|---|---|---|---|---|---|---|---|---|
| 2025 | 18.2°C | 15.5°C | 12.9°C | 23.3°C | 9.7°C | 85 mm | 86% | 3.8 m/s | 4.5 |
| 2024 | 16.5°C | 13.8°C | 11.2°C | 19.8°C | 9.3°C | 80 mm | 85% | 3.5 m/s | 4.2 |
| 2023 | 16.4°C | 14.3°C | 12.1°C | 19.7°C | 10.3°C | 149 mm | 85% | 4.6 m/s | 4 |
| 2022 | 17.8°C | 15.0°C | 12.2°C | 24.0°C | 10.5°C | 61 mm | 85% | 3.8 m/s | 4.4 |
| 2021 | 18.6°C | 15.7°C | 12.9°C | 25.1°C | 10.4°C | 37 mm | 86% | 2.6 m/s | 4.8 |
| 2020 | 15.5°C | 13.3°C | 11.0°C | 19.5°C | 9.7°C | 140 mm | 85% | 4.1 m/s | 3.9 |
| 2019 | 17.2°C | 14.9°C | 12.6°C | 21.4°C | 9.2°C | 130 mm | 87% | 3.8 m/s | 4.4 |
| 2018 | 18.2°C | 15.2°C | 12.3°C | 22.4°C | 9.2°C | 92 mm | 84% | 3.2 m/s | 4.8 |
| 2017 | 16.5°C | 13.7°C | 11.0°C | 20.1°C | 8.3°C | 130 mm | 85% | 3.9 m/s | 4.7 |
| 2016 | 16.3°C | 13.9°C | 11.5°C | 22.2°C | 8.7°C | 123 mm | 87% | 3.8 m/s | 4.2 |
| 2015 | 15.3°C | 12.9°C | 10.6°C | 21.1°C | 8.2°C | 140 mm | 85% | 4.2 m/s | 4 |
| 2014 | 17.8°C | 15.1°C | 12.4°C | 22.6°C | 9.5°C | 72 mm | 85% | 3.4 m/s | 4.6 |
| 2013 | 19.1°C | 15.9°C | 12.8°C | 23.8°C | 9.7°C | 59 mm | 85% | 2.8 m/s | 5.3 |
| 2012 | 15.2°C | 13.0°C | 10.8°C | 19.3°C | 8.2°C | 116 mm | 87% | 3.8 m/s | 4 |
| 2011 | 16.2°C | 13.6°C | 11.0°C | 20.3°C | 9.0°C | 80 mm | 84% | 3.6 m/s | 4.5 |
| 2010 🌧️ | 16.6°C | 14.3°C | 11.9°C | 19.8°C | 9.9°C | 161 mm | 86% | 4.3 m/s | 4.4 |
| 2009 | 16.6°C | 14.2°C | 11.9°C | 21.2°C | 9.0°C | 124 mm | 86% | 4.4 m/s | 4.5 |
| 2008 | 16.6°C | 14.3°C | 12.0°C | 19.8°C | 8.7°C | 139 mm | 87% | 4.5 m/s | 4 |
| 2007 | 15.9°C | 13.6°C | 11.4°C | 18.2°C | 8.9°C | 101 mm | 86% | 3.6 m/s | 4.4 |
| 2006 🔥 | 19.0°C | 16.0°C | 13.0°C | 23.0°C | 10.0°C | 69 mm | 84% | 3.2 m/s | 5 |
| 2005 | 16.6°C | 14.2°C | 11.8°C | 23.6°C | 9.4°C | 58 mm | 87% | 3.4 m/s | 4.3 |
| 2004 | 15.8°C | 13.3°C | 10.9°C | 18.8°C | 9.0°C | 74 mm | 85% | 3.8 m/s | 4.3 |
| 2003 | 17.6°C | 15.1°C | 12.6°C | 22.4°C | 10.4°C | 88 mm | 87% | 3.9 m/s | 3.8 |
| 2002 | 15.3°C | 13.1°C | 10.9°C | 20.1°C | 8.8°C | 115 mm | 87% | 3.7 m/s | 3.6 |
| 2001 | 16.2°C | 13.8°C | 11.3°C | 21.2°C | 8.6°C | 77 mm | 86% | 3.7 m/s | 4 |
| 2000 | 16.3°C | 13.8°C | 11.3°C | 20.0°C | 8.5°C | 41 mm | 86% | 3.4 m/s | 4.8 |
| 1999 | 17.7°C | 14.9°C | 12.1°C | 23.6°C | 10.3°C | 94 mm | 85% | 3.7 m/s | 4.9 |
| 1998 | 15.5°C | 13.3°C | 11.2°C | 18.3°C | 9.6°C | 125 mm | 87% | 4.8 m/s | 4.2 |
| 1997 | 17.1°C | 14.4°C | 11.7°C | 20.6°C | 9.0°C | 97 mm | 87% | 3.7 m/s | 4 |
| 1996 | 16.1°C | 13.7°C | 11.3°C | 20.9°C | 8.9°C | 95 mm | 85% | 3.8 m/s | 4.4 |
| 1995 | 17.7°C | 15.1°C | 12.4°C | 22.4°C | 9.5°C | 103 mm | 86% | 3.9 m/s | 4.4 |
| 1994 | 16.9°C | 14.2°C | 11.5°C | 19.0°C | 9.1°C | 67 mm | 85% | 3.3 m/s | 4.6 |
| 1993 ❄️ | 15.0°C | 12.7°C | 10.4°C | 18.7°C | 7.3°C | 93 mm | 86% | 4.7 m/s | 4.3 |
| 1992 | 16.5°C | 13.9°C | 11.2°C | 19.9°C | 9.2°C | 88 mm | 84% | 4.1 m/s | 4.3 |
| 1991 | 17.7°C | 15.0°C | 12.3°C | 21.4°C | 9.9°C | 66 mm | 86% | 4 m/s | 4.4 |
| 1990 | 17.1°C | 14.4°C | 11.7°C | 20.9°C | 7.8°C | 69 mm | 84% | 4.5 m/s | 4.8 |
| 1989 | 18.4°C | 15.4°C | 12.4°C | 22.9°C | 10.0°C | 44 mm | 83% | 3.6 m/s | 5.2 |
| 1988 | 15.1°C | 12.9°C | 10.6°C | 18.1°C | 8.9°C | 129 mm | 85% | 4.7 m/s | 4.3 |
| 1987 | 16.3°C | 13.8°C | 11.4°C | 20.0°C | 8.0°C | 91 mm | 87% | 4.1 m/s | 3.9 |
| 1986 | 15.7°C | 13.2°C | 10.8°C | 21.3°C | 8.3°C | 90 mm | 85% | 4.1 m/s | 3.9 |
| 1985 | 16.0°C | 13.4°C | 10.9°C | 20.2°C | 8.1°C | 132 mm | 87% | 4.1 m/s | 4 |
| 1984 | 17.4°C | 14.5°C | 11.7°C | 19.9°C | 7.6°C | 68 mm | 84% | 3.6 m/s | 4.6 |
| 1983 | 18.9°C | 15.7°C | 12.6°C | 23.9°C | 9.3°C | 28 mm | 83% | 2.9 m/s | — |
| 1982 | 17.1°C | 14.3°C | 11.4°C | 20.5°C | 9.4°C | 33 mm | 84% | 3.2 m/s | — |
| 1981 | 15.6°C | 13.3°C | 11.0°C | 19.0°C | 8.8°C | 97 mm | 86% | 4.4 m/s | — |
Actual recorded July data for each year, 1981–2025 — sourced from NASA POWER.
The average high in July is around 16.8°C with lows near 11.7°C (mean 14.3°C), based on 45 years of NASA POWER data.
July averages 92 mm of rainfall in Ballymena, about average for rainfall. The wettest on record was 161 mm in 2010.
The hottest July reached 25.1°C in 2021. The coldest dipped to 7.3°C in 1993.
Comparing the earliest years on record (1981–1985) with the most recent (2021–2025), average July temperatures have risen by about 0.7°C. Daytime highs moved from 17°C to 17.5°C and overnight lows from 11.5°C to 12.3°C over the same span.
July is one of the warmer months of the year in Ballymena and about average for rainfall, so plan for around 16.8°C daytime highs and 11.7°C at night.
Not quite — July is the 11th coolest month in Ballymena, averaging 14.3°C.
For July in Ballymena, pack light layers you can adjust through the day, with typical highs of 16.8°C and lows of 11.7°C. Bring an umbrella or light rain jacket too.
Relative humidity in July averages 85% — quite humid.
Average wind speed in July is 3.8 m/s. The windiest July on record averaged 4.8 m/s (1998).
The wettest July on record was 2010 with 161 mm. On average, July sees 92 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 July, 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 July specifically, along with year-by-year records and how the month has changed over the decades.
