July is one of the warmer months of the year in Omagh, with average highs near 17.8°C and lows around 10.5°C (mean 14.2°C). It is about average for rainfall, averaging 99 mm of rainfall and 86% relative humidity across the period.
July is one of the warmer months of the year in Omagh. Across 45 years of records, the warmest July in Omagh was 1983 — when the month averaged 16.4°C — while the coldest was 2015 at 12.5°C. Typical July days reach 17.8°C with nights near 10.5°C. The long-term July temperature trend is broadly flat.
July is about average for rainfall in Omagh, averaging 99 mm of rainfall. The wettest July on record was 2023 with 181 mm, while the driest was 1982 at 37 mm.
Relative humidity in Omagh during July averages 86%. The most humid July was 2003 at 88%, and the least humid was 1989 at 83%.
July receives about 4.4 kWh/m²/day of solar energy in Omagh. The sunniest July was 2013 at 5.3 kWh/m²/day, and the cloudiest was 2002 at 3.6.
Average wind speed in Omagh during July is 3.1 m/s. The windiest Julys were 1988, 1993 and 1998 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 | 14.2°C | 14.3°C | 14.0°C | 14.2°C | 14.5°C | +0.3°C |
| Avg High | 18.0°C | 17.8°C | 17.5°C | 17.8°C | 18.1°C | +0.1°C |
| Avg Low | 10.4°C | 10.7°C | 10.4°C | 10.5°C | 10.9°C | +0.5°C |
| Avg Rain | 83 mm | 96 mm | 102 mm | 107 mm | 107 mm | +24 mm |
July temperatures in Omagh have risen by about 0.4°C between 1981–1985 and 2021–2025.
July has ranged from a record low of 5.5°C (1990) to a record high of 26.9°C (2021).
Rainfall in July is about average for rainfall, averaging 99 mm, with a wettest year of 181 mm.
One of the best times to visit Omagh
July is one of the best times to visit Omagh. Expect days averaging 17.8°C and nights around 10.5°C (mean 14.2°C) — warmer than Omagh's yearly average — with higher rainfall (99 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 | 19.2°C | 15.4°C | 11.6°C | 25.8°C | 7.7°C | 84 mm | 86% | 3 m/s | 4.5 |
| 2024 | 17.1°C | 13.5°C | 10.0°C | 20.8°C | 7.0°C | 94 mm | 86% | 2.9 m/s | 4.2 |
| 2023 🌧️ | 17.0°C | 13.9°C | 10.7°C | 21.6°C | 7.7°C | 181 mm | 86% | 3.5 m/s | 4 |
| 2022 | 18.9°C | 15.1°C | 11.3°C | 26.8°C | 8.9°C | 65 mm | 85% | 2.9 m/s | 4.4 |
| 2021 | 20.3°C | 16.2°C | 12.0°C | 26.9°C | 8.5°C | 71 mm | 86% | 2 m/s | 4.8 |
| 2020 | 16.2°C | 13.1°C | 9.9°C | 20.9°C | 6.6°C | 145 mm | 86% | 3.4 m/s | 3.9 |
| 2019 | 18.6°C | 15.0°C | 11.4°C | 23.8°C | 6.8°C | 102 mm | 87% | 3.1 m/s | 4.4 |
| 2018 | 19.0°C | 15.0°C | 11.0°C | 23.3°C | 6.8°C | 71 mm | 84% | 2.7 m/s | 4.8 |
| 2017 | 17.6°C | 13.6°C | 9.7°C | 22.4°C | 5.9°C | 130 mm | 85% | 3.1 m/s | 4.7 |
| 2016 | 17.1°C | 13.7°C | 10.3°C | 24.6°C | 7.1°C | 130 mm | 87% | 3.1 m/s | 4.2 |
| 2015 ❄️ | 16.0°C | 12.5°C | 9.0°C | 20.9°C | 5.7°C | 144 mm | 86% | 3.3 m/s | 4 |
| 2014 | 18.7°C | 15.0°C | 11.4°C | 24.2°C | 7.5°C | 74 mm | 85% | 2.8 m/s | 4.6 |
| 2013 | 20.6°C | 16.3°C | 12.0°C | 25.5°C | 8.9°C | 70 mm | 85% | 2.3 m/s | 5.3 |
| 2012 | 16.3°C | 12.9°C | 9.5°C | 20.3°C | 6.2°C | 121 mm | 87% | 3 m/s | 4 |
| 2011 | 17.1°C | 13.4°C | 9.6°C | 19.9°C | 6.7°C | 69 mm | 84% | 2.7 m/s | 4.5 |
| 2010 | 17.2°C | 14.1°C | 10.9°C | 20.8°C | 7.9°C | 161 mm | 86% | 3.6 m/s | 4.4 |
| 2009 | 17.1°C | 13.8°C | 10.5°C | 22.6°C | 7.3°C | 154 mm | 87% | 3.3 m/s | 4.5 |
| 2008 | 17.7°C | 14.2°C | 10.7°C | 22.6°C | 6.3°C | 134 mm | 86% | 3.5 m/s | 4 |
| 2007 | 16.5°C | 13.2°C | 9.9°C | 19.0°C | 6.6°C | 132 mm | 86% | 2.9 m/s | 4.4 |
| 2006 | 20.1°C | 15.9°C | 11.7°C | 25.4°C | 7.5°C | 76 mm | 84% | 2.8 m/s | 5 |
| 2005 | 17.9°C | 14.3°C | 10.7°C | 25.4°C | 7.9°C | 57 mm | 87% | 2.8 m/s | 4.3 |
| 2004 | 16.5°C | 13.0°C | 9.4°C | 19.7°C | 6.4°C | 85 mm | 86% | 3.1 m/s | 4.3 |
| 2003 | 18.5°C | 15.0°C | 11.5°C | 24.1°C | 8.6°C | 117 mm | 88% | 3.1 m/s | 3.8 |
| 2002 | 16.0°C | 12.7°C | 9.5°C | 22.0°C | 6.6°C | 114 mm | 87% | 3 m/s | 3.6 |
| 2001 | 17.0°C | 13.5°C | 10.0°C | 22.0°C | 5.5°C | 78 mm | 86% | 3.1 m/s | 4 |
| 2000 | 17.6°C | 13.9°C | 10.2°C | 22.3°C | 6.3°C | 67 mm | 86% | 2.7 m/s | 4.8 |
| 1999 | 18.8°C | 14.9°C | 10.9°C | 24.5°C | 7.4°C | 97 mm | 86% | 3.1 m/s | 4.9 |
| 1998 | 16.2°C | 13.2°C | 10.1°C | 19.6°C | 7.7°C | 138 mm | 87% | 3.8 m/s | 4.2 |
| 1997 | 18.2°C | 14.6°C | 11.0°C | 22.3°C | 7.4°C | 113 mm | 86% | 3.1 m/s | 4 |
| 1996 | 17.2°C | 13.6°C | 10.1°C | 21.4°C | 6.2°C | 81 mm | 85% | 3.1 m/s | 4.4 |
| 1995 | 18.9°C | 15.4°C | 11.8°C | 22.5°C | 8.7°C | 106 mm | 86% | 3.3 m/s | 4.4 |
| 1994 | 18.1°C | 14.4°C | 10.8°C | 20.1°C | 7.7°C | 81 mm | 85% | 2.8 m/s | 4.6 |
| 1993 | 15.8°C | 12.8°C | 9.7°C | 20.2°C | 5.7°C | 96 mm | 87% | 3.8 m/s | 4.3 |
| 1992 | 17.5°C | 13.9°C | 10.3°C | 20.8°C | 8.0°C | 87 mm | 84% | 3.3 m/s | 4.3 |
| 1991 | 18.8°C | 15.1°C | 11.4°C | 23.1°C | 8.8°C | 86 mm | 86% | 3.5 m/s | 4.4 |
| 1990 | 18.6°C | 14.6°C | 10.6°C | 23.5°C | 5.5°C | 75 mm | 84% | 3.6 m/s | 4.8 |
| 1989 | 20.0°C | 15.8°C | 11.5°C | 24.5°C | 6.9°C | 40 mm | 83% | 2.9 m/s | 5.2 |
| 1988 | 15.5°C | 12.6°C | 9.6°C | 19.8°C | 7.0°C | 143 mm | 86% | 3.8 m/s | 4.3 |
| 1987 | 17.7°C | 14.1°C | 10.4°C | 21.8°C | 6.2°C | 78 mm | 87% | 3.4 m/s | 3.9 |
| 1986 | 16.6°C | 13.3°C | 9.9°C | 23.3°C | 6.7°C | 105 mm | 87% | 3.2 m/s | 3.9 |
| 1985 | 16.9°C | 13.3°C | 9.8°C | 21.1°C | 6.1°C | 136 mm | 87% | 3.4 m/s | 4 |
| 1984 | 18.8°C | 14.5°C | 10.3°C | 22.3°C | 5.7°C | 68 mm | 84% | 2.7 m/s | 4.6 |
| 1983 🔥 | 20.9°C | 16.4°C | 11.9°C | 26.5°C | 8.0°C | 43 mm | 84% | 2.4 m/s | — |
| 1982 | 18.8°C | 14.5°C | 10.2°C | 22.6°C | 7.4°C | 37 mm | 84% | 2.6 m/s | — |
| 1981 | 16.4°C | 13.1°C | 9.9°C | 20.6°C | 7.3°C | 95 mm | 87% | 3.5 m/s | — |
Actual recorded July data for each year, 1981–2025 — sourced from NASA POWER.
The average high in July is around 17.8°C with lows near 10.5°C (mean 14.2°C), based on 45 years of NASA POWER data.
July averages 99 mm of rainfall in Omagh, about average for rainfall. The wettest on record was 181 mm in 2023.
The hottest July reached 26.9°C in 2021. The coldest dipped to 5.5°C in 1990.
Comparing the earliest years on record (1981–1985) with the most recent (2021–2025), average July temperatures have risen by about 0.4°C. Daytime highs moved from 18.4°C to 18.5°C and overnight lows from 10.4°C to 11.1°C over the same span.
July is one of the warmer months of the year in Omagh and about average for rainfall, so plan for around 17.8°C daytime highs and 10.5°C at night.
Not quite — July is the 12th coolest month in Omagh, averaging 14.2°C.
For July in Omagh, pack light layers you can adjust through the day, with typical highs of 17.8°C and lows of 10.5°C. Bring an umbrella or light rain jacket too.
Relative humidity in July averages 86% — 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 181 mm. On average, July sees 99 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 Omagh 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.
