July is one of the warmer months of the year in Dungannon, with average highs near 18.2°C and lows around 10.6°C (mean 14.4°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 Dungannon. Across 45 years of records, the warmest July in Dungannon was 1983 — when the month averaged 16.7°C — while the coldest were 1988 and 2015 at 12.8°C. Typical July days reach 18.2°C with nights near 10.6°C. The long-term July temperature trend is broadly flat.
July is about average for rainfall in Dungannon, averaging 92 mm of rainfall. The wettest July on record was 2023 with 159 mm, while the driest was 1983 at 31 mm.
Relative humidity in Dungannon during July averages 85%. The most humid July was 2003 at 87%, and the least humid was 1989 at 83%.
July receives about 4.4 kWh/m²/day of solar energy in Dungannon. The sunniest July was 2013 at 5.3 kWh/m²/day, and the cloudiest was 2002 at 3.6.
Average wind speed in Dungannon during July is 3.1 m/s. The windiest July was 1988 at 3.8 m/s, while the calmest was 2021 at 2 m/s.
Ranked against the other 11 months using 1981–2025 averages.
| Metric | 1980s | 1990s | 2000s | 2010s | 2020s | Change |
|---|---|---|---|---|---|---|
| Avg Temp | 14.4°C | 14.4°C | 14.2°C | 14.4°C | 14.8°C | +0.4°C |
| Avg High | 18.3°C | 18.2°C | 17.8°C | 18.3°C | 18.6°C | +0.3°C |
| Avg Low | 10.5°C | 10.7°C | 10.5°C | 10.6°C | 11.0°C | +0.5°C |
| Avg Rain | 77 mm | 90 mm | 96 mm | 102 mm | 99 mm | +23 mm |
July temperatures in Dungannon have risen by about 0.5°C between 1981–1985 and 2021–2025.
July has ranged from a record low of 5.2°C (1984) to a record high of 27.3°C (2022).
Rainfall in July is about average for rainfall, averaging 92 mm, with a wettest year of 159 mm.
One of the best times to visit Dungannon
July is one of the best times to visit Dungannon. Expect days averaging 18.2°C and nights around 10.6°C (mean 14.4°C) — warmer than Dungannon'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 | 19.7°C | 15.7°C | 11.7°C | 25.7°C | 7.5°C | 84 mm | 86% | 3 m/s | 4.5 |
| 2024 | 17.5°C | 13.8°C | 10.1°C | 21.3°C | 7.6°C | 95 mm | 85% | 2.8 m/s | 4.2 |
| 2023 🌧️ | 17.4°C | 14.0°C | 10.7°C | 21.5°C | 7.7°C | 159 mm | 86% | 3.5 m/s | 4 |
| 2022 | 19.6°C | 15.5°C | 11.3°C | 27.3°C | 8.8°C | 58 mm | 84% | 2.9 m/s | 4.4 |
| 2021 | 20.5°C | 16.4°C | 12.2°C | 26.8°C | 9.2°C | 58 mm | 85% | 2 m/s | 4.8 |
| 2020 | 16.8°C | 13.4°C | 10.0°C | 21.4°C | 6.7°C | 143 mm | 86% | 3.3 m/s | 3.9 |
| 2019 | 19.0°C | 15.3°C | 11.5°C | 24.0°C | 6.6°C | 94 mm | 86% | 3 m/s | 4.4 |
| 2018 | 19.6°C | 15.4°C | 11.3°C | 23.9°C | 7.1°C | 69 mm | 84% | 2.6 m/s | 4.8 |
| 2017 | 17.9°C | 13.8°C | 9.7°C | 22.2°C | 5.6°C | 123 mm | 85% | 3 m/s | 4.7 |
| 2016 | 17.7°C | 14.0°C | 10.3°C | 24.6°C | 6.8°C | 124 mm | 87% | 3 m/s | 4.2 |
| 2015 | 16.5°C | 12.8°C | 9.1°C | 22.8°C | 5.5°C | 136 mm | 85% | 3.4 m/s | 4 |
| 2014 | 19.1°C | 15.3°C | 11.4°C | 23.9°C | 7.7°C | 67 mm | 85% | 2.8 m/s | 4.6 |
| 2013 | 20.9°C | 16.5°C | 12.0°C | 25.9°C | 9.0°C | 64 mm | 84% | 2.3 m/s | 5.3 |
| 2012 | 16.6°C | 13.1°C | 9.6°C | 20.8°C | 5.6°C | 121 mm | 87% | 3 m/s | 4 |
| 2011 | 17.5°C | 13.6°C | 9.6°C | 21.2°C | 6.2°C | 73 mm | 83% | 2.8 m/s | 4.5 |
| 2010 | 17.8°C | 14.4°C | 11.0°C | 21.8°C | 7.6°C | 153 mm | 86% | 3.5 m/s | 4.4 |
| 2009 | 17.4°C | 13.9°C | 10.4°C | 21.7°C | 6.8°C | 141 mm | 86% | 3.4 m/s | 4.5 |
| 2008 | 18.0°C | 14.4°C | 10.8°C | 22.2°C | 6.3°C | 140 mm | 86% | 3.5 m/s | 4 |
| 2007 | 16.9°C | 13.4°C | 10.0°C | 19.3°C | 6.7°C | 122 mm | 86% | 2.9 m/s | 4.4 |
| 2006 | 20.5°C | 16.2°C | 11.9°C | 25.1°C | 7.7°C | 73 mm | 84% | 2.8 m/s | 5 |
| 2005 | 18.2°C | 14.5°C | 10.9°C | 25.8°C | 7.7°C | 61 mm | 86% | 2.8 m/s | 4.3 |
| 2004 | 16.9°C | 13.2°C | 9.5°C | 19.9°C | 6.3°C | 73 mm | 85% | 3 m/s | 4.3 |
| 2003 | 18.8°C | 15.2°C | 11.6°C | 24.0°C | 8.7°C | 105 mm | 87% | 3.2 m/s | 3.8 |
| 2002 | 16.5°C | 13.0°C | 9.6°C | 22.4°C | 6.7°C | 117 mm | 87% | 2.9 m/s | 3.6 |
| 2001 | 17.5°C | 13.9°C | 10.3°C | 23.1°C | 5.7°C | 68 mm | 86% | 3 m/s | 4 |
| 2000 | 17.7°C | 14.0°C | 10.2°C | 21.7°C | 7.0°C | 60 mm | 86% | 2.7 m/s | 4.8 |
| 1999 | 19.2°C | 15.1°C | 11.0°C | 24.9°C | 8.0°C | 93 mm | 85% | 3.1 m/s | 4.9 |
| 1998 | 16.7°C | 13.4°C | 10.1°C | 19.5°C | 7.5°C | 124 mm | 87% | 3.7 m/s | 4.2 |
| 1997 | 18.6°C | 14.8°C | 11.0°C | 22.5°C | 7.4°C | 107 mm | 86% | 3.1 m/s | 4 |
| 1996 | 17.6°C | 13.9°C | 10.1°C | 22.2°C | 6.6°C | 85 mm | 85% | 3 m/s | 4.4 |
| 1995 | 19.3°C | 15.5°C | 11.8°C | 23.5°C | 8.6°C | 103 mm | 86% | 3.3 m/s | 4.4 |
| 1994 | 18.5°C | 14.7°C | 10.8°C | 21.0°C | 7.4°C | 73 mm | 85% | 2.8 m/s | 4.6 |
| 1993 | 16.2°C | 12.9°C | 9.6°C | 20.7°C | 5.3°C | 89 mm | 86% | 3.7 m/s | 4.3 |
| 1992 | 17.8°C | 14.0°C | 10.2°C | 21.3°C | 7.5°C | 83 mm | 84% | 3.2 m/s | 4.3 |
| 1991 | 19.2°C | 15.3°C | 11.5°C | 23.4°C | 8.8°C | 69 mm | 85% | 3.4 m/s | 4.4 |
| 1990 | 18.8°C | 14.7°C | 10.6°C | 23.4°C | 5.2°C | 69 mm | 83% | 3.6 m/s | 4.8 |
| 1989 | 20.4°C | 16.0°C | 11.5°C | 24.8°C | 7.4°C | 39 mm | 83% | 2.9 m/s | 5.2 |
| 1988 ❄️ | 16.0°C | 12.8°C | 9.7°C | 20.8°C | 7.1°C | 135 mm | 85% | 3.8 m/s | 4.3 |
| 1987 | 18.0°C | 14.2°C | 10.5°C | 22.2°C | 6.1°C | 76 mm | 86% | 3.3 m/s | 3.9 |
| 1986 | 17.0°C | 13.5°C | 9.9°C | 23.8°C | 6.6°C | 96 mm | 86% | 3.2 m/s | 3.9 |
| 1985 | 17.3°C | 13.6°C | 9.9°C | 22.1°C | 5.9°C | 128 mm | 86% | 3.3 m/s | 4 |
| 1984 | 19.2°C | 14.8°C | 10.4°C | 22.2°C | 5.2°C | 65 mm | 83% | 2.8 m/s | 4.6 |
| 1983 🔥 | 21.2°C | 16.7°C | 12.1°C | 26.8°C | 8.0°C | 31 mm | 83% | 2.4 m/s | — |
| 1982 | 18.9°C | 14.6°C | 10.4°C | 22.4°C | 7.6°C | 33 mm | 84% | 2.6 m/s | — |
| 1981 | 16.8°C | 13.3°C | 9.8°C | 21.1°C | 7.5°C | 87 mm | 86% | 3.5 m/s | — |
Actual recorded July data for each year, 1981–2025 — sourced from NASA POWER.
The average high in July is around 18.2°C with lows near 10.6°C (mean 14.4°C), based on 45 years of NASA POWER data.
July averages 92 mm of rainfall in Dungannon, about average for rainfall. The wettest on record was 159 mm in 2023.
The hottest July reached 27.3°C in 2022. The coldest dipped to 5.2°C in 1984.
Comparing the earliest years on record (1981–1985) with the most recent (2021–2025), average July temperatures have risen by about 0.5°C. Daytime highs moved from 18.7°C to 18.9°C and overnight lows from 10.5°C to 11.2°C over the same span.
July is one of the warmer months of the year in Dungannon and about average for rainfall, so plan for around 18.2°C daytime highs and 10.6°C at night.
Not quite — July is the 12th coolest month in Dungannon, averaging 14.4°C.
For July in Dungannon, pack light layers you can adjust through the day, with typical highs of 18.2°C and lows of 10.6°C. Bring an umbrella or light rain jacket too.
Relative humidity in July averages 85% — quite humid.
Average wind speed in July is 3.1 m/s. The windiest July on record averaged 3.8 m/s (1988).
The wettest July on record was 2023 with 159 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 Dungannon 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.
