July is one of the warmer months of the year in Louth, with average highs near 18.9°C and lows around 12.8°C (mean 15.9°C). It is about average for rainfall, averaging 56 mm of rainfall and 83% relative humidity across the period.
July is one of the warmer months of the year in Louth. Across 45 years of records, the warmest July in Louth was 2018 — when the month averaged 17.9°C — while the coldest was 2000 at 13.9°C. Typical July days reach 18.9°C with nights near 12.8°C. The long-term trend is warming, about 0.3°C per decade.
July is about average for rainfall in Louth, averaging 56 mm of rainfall. The wettest July on record was 1988 with 93 mm, while the driest was 1984 at 23 mm.
Relative humidity in Louth during July averages 83%. The most humid Julys were 1983 and 2000 at 85%, and the least humid was 2022 at 79%.
July receives about 4.8 kWh/m²/day of solar energy in Louth. The sunniest July was 2006 at 6 kWh/m²/day, and the cloudiest was 1986 at 4.
Average wind speed in Louth during July is 3.3 m/s. The windiest July was 1988 at 4.5 m/s, while the calmest was 1983 at 2.2 m/s.
Ranked against the other 11 months using 1981–2025 averages.
| Metric | 1980s | 1990s | 2000s | 2010s | 2020s | Change |
|---|---|---|---|---|---|---|
| Avg Temp | 15.2°C | 15.8°C | 15.6°C | 16.2°C | 16.5°C | +1.3°C |
| Avg High | 18.2°C | 18.9°C | 18.5°C | 19.3°C | 19.5°C | +1.3°C |
| Avg Low | 12.2°C | 12.6°C | 12.7°C | 13.1°C | 13.5°C | +1.3°C |
| Avg Rain | 49 mm | 44 mm | 69 mm | 59 mm | 64 mm | +15 mm |
July temperatures in Louth have risen by about 1.4°C between 1981–1985 and 2021–2025.
July has ranged from a record low of 7.9°C (1984) to a record high of 28.2°C (2022).
Rainfall in July is about average for rainfall, averaging 56 mm, with a wettest year of 93 mm.
One of the best times to visit Louth
July is one of the best times to visit Louth. Expect days averaging 18.9°C and nights around 12.8°C (mean 15.9°C) — warmer than Louth's yearly average — with moderate rainfall (56 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 | 20.5°C | 17.4°C | 14.3°C | 24.5°C | 11.3°C | 68 mm | 82% | 3.1 m/s | 4.7 |
| 2024 | 19.0°C | 16.0°C | 13.0°C | 24.6°C | 9.6°C | 76 mm | 83% | 3.5 m/s | 4.6 |
| 2023 | 19.0°C | 16.1°C | 13.2°C | 21.7°C | 10.9°C | 83 mm | 81% | 4.2 m/s | 4.4 |
| 2022 | 20.6°C | 17.3°C | 14.1°C | 28.2°C | 11.2°C | 24 mm | 79% | 3.2 m/s | 4.8 |
| 2021 | 19.9°C | 16.9°C | 14.0°C | 25.4°C | 11.9°C | 57 mm | 85% | 2.8 m/s | 4.8 |
| 2020 | 18.2°C | 15.2°C | 12.3°C | 23.2°C | 9.3°C | 73 mm | 82% | 3.9 m/s | 4.3 |
| 2019 | 20.2°C | 17.1°C | 14.0°C | 24.4°C | 10.6°C | 64 mm | 82% | 3.2 m/s | 4.8 |
| 2018 🔥 | 21.3°C | 17.9°C | 14.5°C | 25.3°C | 12.1°C | 31 mm | 81% | 2.8 m/s | 5.6 |
| 2017 | 19.0°C | 15.9°C | 12.9°C | 22.4°C | 11.4°C | 74 mm | 83% | 3.6 m/s | 4.8 |
| 2016 | 19.2°C | 16.0°C | 12.9°C | 24.1°C | 9.5°C | 37 mm | 82% | 3.4 m/s | 4.8 |
| 2015 | 18.3°C | 15.2°C | 12.1°C | 22.6°C | 8.1°C | 90 mm | 81% | 3.4 m/s | 4.8 |
| 2014 | 19.7°C | 16.8°C | 13.9°C | 22.1°C | 10.1°C | 63 mm | 84% | 3.2 m/s | 5.3 |
| 2013 | 20.1°C | 16.8°C | 13.5°C | 23.1°C | 10.5°C | 59 mm | 83% | 2.7 m/s | 5.4 |
| 2012 | 17.8°C | 14.9°C | 12.0°C | 24.1°C | 9.3°C | 89 mm | 83% | 3.4 m/s | 4.3 |
| 2011 | 17.8°C | 14.8°C | 11.8°C | 20.8°C | 9.3°C | 50 mm | 80% | 3.6 m/s | 4.8 |
| 2010 | 19.4°C | 16.5°C | 13.6°C | 22.9°C | 10.4°C | 37 mm | 82% | 3.5 m/s | 4.4 |
| 2009 | 18.6°C | 15.7°C | 12.7°C | 21.3°C | 9.6°C | 81 mm | 83% | 3.8 m/s | 4.8 |
| 2008 | 18.8°C | 15.7°C | 12.6°C | 24.1°C | 9.9°C | 59 mm | 84% | 3.7 m/s | 4.7 |
| 2007 | 17.6°C | 15.0°C | 12.5°C | 19.6°C | 10.3°C | 92 mm | 84% | 4 m/s | 4.4 |
| 2006 | 21.0°C | 17.7°C | 14.4°C | 24.7°C | 11.0°C | 37 mm | 82% | 2.7 m/s | 6 |
| 2005 | 18.3°C | 15.5°C | 12.7°C | 23.1°C | 10.5°C | 86 mm | 84% | 3.4 m/s | 4.4 |
| 2004 | 18.1°C | 15.1°C | 12.2°C | 22.7°C | 9.2°C | 76 mm | 83% | 3.2 m/s | 4.4 |
| 2003 | 19.3°C | 16.5°C | 13.6°C | 22.2°C | 11.6°C | 57 mm | 85% | 3.3 m/s | 4.6 |
| 2002 | 18.4°C | 15.4°C | 12.4°C | 23.2°C | 9.8°C | 79 mm | 84% | 2.8 m/s | 4.4 |
| 2001 | 18.9°C | 16.0°C | 13.0°C | 24.1°C | 8.7°C | 65 mm | 83% | 3.5 m/s | 4.7 |
| 2000 ❄️ | 16.4°C | 13.9°C | 11.3°C | 20.1°C | 9.3°C | 57 mm | 85% | 3 m/s | 4.3 |
| 1999 | 19.2°C | 15.9°C | 12.7°C | 22.4°C | 10.3°C | 35 mm | 83% | 3.3 m/s | 5.5 |
| 1998 | 17.6°C | 14.8°C | 11.9°C | 21.5°C | 9.8°C | 33 mm | 83% | 4.1 m/s | 4.5 |
| 1997 | 18.7°C | 15.6°C | 12.5°C | 22.4°C | 9.6°C | 51 mm | 84% | 3 m/s | 4.9 |
| 1996 | 18.8°C | 15.3°C | 11.9°C | 24.7°C | 8.3°C | 43 mm | 81% | 3.1 m/s | 5.1 |
| 1995 | 19.9°C | 16.8°C | 13.7°C | 25.0°C | 9.4°C | 33 mm | 83% | 3.2 m/s | 5.3 |
| 1994 | 19.9°C | 16.6°C | 13.3°C | 24.6°C | 10.3°C | 37 mm | 84% | 2.6 m/s | 5.5 |
| 1993 | 17.7°C | 14.6°C | 11.6°C | 21.2°C | 8.3°C | 56 mm | 81% | 4.1 m/s | 4.7 |
| 1992 | 19.1°C | 16.0°C | 13.0°C | 22.5°C | 11.0°C | 90 mm | 79% | 3.7 m/s | 4.5 |
| 1991 | 19.8°C | 16.6°C | 13.4°C | 23.4°C | 11.1°C | 34 mm | 81% | 3.4 m/s | 4.9 |
| 1990 | 18.6°C | 15.3°C | 12.0°C | 25.5°C | 8.5°C | 26 mm | 79% | 3.6 m/s | 5.3 |
| 1989 | 19.3°C | 16.3°C | 13.2°C | 24.5°C | 10.8°C | 50 mm | 83% | 3.1 m/s | 5.2 |
| 1988 🌧️ | 17.4°C | 14.6°C | 11.8°C | 21.5°C | 10.2°C | 93 mm | 84% | 4.5 m/s | 4.2 |
| 1987 | 17.8°C | 15.0°C | 12.2°C | 23.3°C | 9.8°C | 65 mm | 84% | 3.5 m/s | 4.2 |
| 1986 | 17.8°C | 14.7°C | 11.6°C | 23.8°C | 9.4°C | 43 mm | 83% | 3.3 m/s | 4 |
| 1985 | 18.2°C | 15.1°C | 12.1°C | 22.2°C | 9.7°C | 55 mm | 83% | 3.6 m/s | 4.3 |
| 1984 | 18.0°C | 14.8°C | 11.7°C | 22.1°C | 7.9°C | 23 mm | 83% | 2.9 m/s | 5.1 |
| 1983 | 20.0°C | 16.5°C | 13.0°C | 24.1°C | 8.9°C | 46 mm | 85% | 2.2 m/s | — |
| 1982 | 17.9°C | 15.0°C | 12.1°C | 22.0°C | 9.1°C | 30 mm | 85% | 3.1 m/s | — |
| 1981 | 17.8°C | 14.9°C | 11.9°C | 21.2°C | 10.0°C | 33 mm | 84% | 3.3 m/s | — |
Actual recorded July data for each year, 1981–2025 — sourced from NASA POWER.
The average high in July is around 18.9°C with lows near 12.8°C (mean 15.9°C), based on 45 years of NASA POWER data.
July averages 56 mm of rainfall in Louth, about average for rainfall. The wettest on record was 93 mm in 1988.
The hottest July reached 28.2°C in 2022. The coldest dipped to 7.9°C in 1984.
Comparing the earliest years on record (1981–1985) with the most recent (2021–2025), average July temperatures have risen by about 1.4°C. Daytime highs moved from 18.4°C to 19.8°C and overnight lows from 12.2°C to 13.7°C over the same span.
July is one of the warmer months of the year in Louth and about average for rainfall, so plan for around 18.9°C daytime highs and 12.8°C at night.
Not quite — July is the 11th coolest month in Louth, averaging 15.9°C.
For July in Louth, pack light layers you can adjust through the day, with typical highs of 18.9°C and lows of 12.8°C. Bring an umbrella or light rain jacket too.
Relative humidity in July averages 83% — quite humid.
Average wind speed in July is 3.3 m/s. The windiest July on record averaged 4.5 m/s (1988).
The wettest July on record was 1988 with 93 mm. On average, July sees 56 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 Louth 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.
