July is one of the warmer months of the year in Greenock, with average highs near 16.6°C and lows around 10.8°C (mean 13.7°C). It is one of the drier months, averaging 112 mm of rainfall and 85% relative humidity across the period.
July is one of the warmer months of the year in Greenock. Across 45 years of records, the warmest July in Greenock was 2021 — when the month averaged 15.8°C — while the coldest was 1993 at 11.7°C. Typical July days reach 16.6°C with nights near 10.8°C. The long-term July temperature trend is broadly flat.
July is one of the drier months in Greenock, averaging 112 mm of rainfall. The wettest July on record was 2010 with 199 mm, while the driest was 1983 at 41 mm.
Relative humidity in Greenock during July averages 85%. The most humid July was 2016 at 88%, and the least humid was 1984 at 82%.
July receives about 4.5 kWh/m²/day of solar energy in Greenock. The sunniest July was 1989 at 5.5 kWh/m²/day, and the cloudiest was 1985 at 3.8.
Average wind speed in Greenock during July is 3.4 m/s. The windiest July was 1993 at 4.2 m/s, while the calmest was 2021 at 2.1 m/s.
Ranked against the other 11 months using 1981–2025 averages.
| Metric | 1980s | 1990s | 2000s | 2010s | 2020s | Change |
|---|---|---|---|---|---|---|
| Avg Temp | 13.6°C | 13.5°C | 13.8°C | 13.8°C | 14.0°C | +0.4°C |
| Avg High | 16.6°C | 16.4°C | 16.6°C | 16.6°C | 16.9°C | +0.3°C |
| Avg Low | 10.5°C | 10.6°C | 11.0°C | 10.9°C | 11.1°C | +0.6°C |
| Avg Rain | 98 mm | 115 mm | 105 mm | 133 mm | 108 mm | +11 mm |
July temperatures in Greenock have risen by about 0.5°C between 1981–1985 and 2021–2025.
July has ranged from a record low of 5.7°C (1984) to a record high of 25.2°C (2025).
Rainfall in July is one of the drier months, averaging 112 mm, with a wettest year of 199 mm.
One of the best times to visit Greenock
July is one of the best times to visit Greenock. Expect days averaging 16.6°C and nights around 10.8°C (mean 13.7°C) — warmer than Greenock's yearly average — with higher rainfall (112 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 | 17.9°C | 14.9°C | 11.8°C | 25.2°C | 7.7°C | 96 mm | 86% | 3.3 m/s | 4.4 |
| 2024 | 16.1°C | 13.2°C | 10.3°C | 19.5°C | 7.7°C | 98 mm | 85% | 3.2 m/s | 4.5 |
| 2023 | 16.3°C | 13.7°C | 11.1°C | 21.5°C | 8.1°C | 158 mm | 85% | 4 m/s | 4.4 |
| 2022 | 17.1°C | 14.1°C | 11.1°C | 22.6°C | 9.1°C | 94 mm | 86% | 3.5 m/s | 4.6 |
| 2021 🔥 | 19.1°C | 15.8°C | 12.5°C | 24.2°C | 10.8°C | 54 mm | 85% | 2.1 m/s | 5.2 |
| 2020 | 14.7°C | 12.3°C | 9.8°C | 21.2°C | 7.6°C | 149 mm | 86% | 3.8 m/s | 4.1 |
| 2019 | 17.6°C | 14.8°C | 12.0°C | 23.5°C | 8.9°C | 152 mm | 87% | 3.3 m/s | 4.2 |
| 2018 | 18.2°C | 15.0°C | 11.7°C | 21.4°C | 9.8°C | 119 mm | 83% | 2.8 m/s | 5.1 |
| 2017 | 15.8°C | 13.1°C | 10.4°C | 21.3°C | 7.6°C | 135 mm | 86% | 3.7 m/s | 4.5 |
| 2016 | 15.7°C | 13.0°C | 10.2°C | 23.1°C | 7.7°C | 142 mm | 88% | 3.6 m/s | 4.1 |
| 2015 | 15.1°C | 12.2°C | 9.3°C | 23.3°C | 6.3°C | 157 mm | 86% | 3.8 m/s | 4.3 |
| 2014 | 17.7°C | 14.6°C | 11.5°C | 23.5°C | 8.9°C | 114 mm | 85% | 3 m/s | 5 |
| 2013 | 18.4°C | 15.2°C | 12.1°C | 23.6°C | 8.6°C | 87 mm | 87% | 2.8 m/s | 5.3 |
| 2012 | 15.2°C | 12.7°C | 10.1°C | 20.4°C | 7.7°C | 128 mm | 86% | 3 m/s | 4.1 |
| 2011 | 16.5°C | 13.4°C | 10.3°C | 19.1°C | 7.1°C | 97 mm | 83% | 2.6 m/s | 5.2 |
| 2010 🌧️ | 16.0°C | 13.5°C | 11.0°C | 18.3°C | 8.7°C | 199 mm | 87% | 4.1 m/s | 4 |
| 2009 | 16.6°C | 13.9°C | 11.1°C | 23.1°C | 8.1°C | 142 mm | 85% | 3.6 m/s | 4.8 |
| 2008 | 16.9°C | 14.1°C | 11.3°C | 22.4°C | 7.2°C | 126 mm | 86% | 3.9 m/s | 4.2 |
| 2007 | 15.6°C | 13.0°C | 10.4°C | 18.2°C | 7.7°C | 111 mm | 86% | 3.3 m/s | 4.7 |
| 2006 | 19.0°C | 15.7°C | 12.5°C | 24.2°C | 8.8°C | 83 mm | 85% | 3 m/s | 4.9 |
| 2005 | 16.7°C | 13.9°C | 11.2°C | 23.7°C | 8.5°C | 56 mm | 85% | 3.2 m/s | 4.5 |
| 2004 | 15.5°C | 12.8°C | 10.1°C | 18.9°C | 7.3°C | 96 mm | 85% | 3.3 m/s | 4.6 |
| 2003 | 17.3°C | 14.6°C | 11.9°C | 22.9°C | 9.8°C | 113 mm | 87% | 3.6 m/s | 4.4 |
| 2002 | 15.5°C | 12.8°C | 10.2°C | 20.3°C | 7.0°C | 149 mm | 87% | 3 m/s | 3.9 |
| 2001 | 16.2°C | 13.4°C | 10.6°C | 21.0°C | 7.8°C | 121 mm | 87% | 3.2 m/s | 4.2 |
| 2000 | 16.8°C | 13.5°C | 10.2°C | 21.5°C | 6.8°C | 52 mm | 84% | 2.7 m/s | 4.9 |
| 1999 | 17.1°C | 14.2°C | 11.3°C | 22.4°C | 8.3°C | 120 mm | 86% | 3.3 m/s | 4.7 |
| 1998 | 14.9°C | 12.5°C | 10.2°C | 17.9°C | 7.7°C | 164 mm | 87% | 4 m/s | 4.5 |
| 1997 | 17.1°C | 14.1°C | 11.2°C | 21.6°C | 7.2°C | 105 mm | 86% | 3.2 m/s | 4.8 |
| 1996 | 15.8°C | 13.0°C | 10.1°C | 20.5°C | 7.5°C | 119 mm | 84% | 3.4 m/s | 4.8 |
| 1995 | 17.7°C | 14.3°C | 10.9°C | 23.7°C | 6.8°C | 109 mm | 85% | 3.7 m/s | 4.7 |
| 1994 | 16.7°C | 13.7°C | 10.7°C | 21.4°C | 8.2°C | 92 mm | 85% | 3.1 m/s | 4.6 |
| 1993 ❄️ | 14.2°C | 11.7°C | 9.3°C | 17.9°C | 5.8°C | 117 mm | 87% | 4.2 m/s | 4.4 |
| 1992 | 15.8°C | 12.9°C | 10.1°C | 18.7°C | 6.3°C | 112 mm | 85% | 3.9 m/s | 4.4 |
| 1991 | 17.7°C | 14.8°C | 11.9°C | 22.5°C | 9.4°C | 116 mm | 87% | 3.7 m/s | 4.3 |
| 1990 | 16.7°C | 13.5°C | 10.4°C | 20.8°C | 7.2°C | 94 mm | 84% | 4 m/s | 4.8 |
| 1989 | 18.4°C | 15.0°C | 11.6°C | 23.3°C | 7.3°C | 58 mm | 83% | 3.1 m/s | 5.5 |
| 1988 | 14.6°C | 12.2°C | 9.8°C | 17.6°C | 7.8°C | 185 mm | 86% | 4.1 m/s | 4.1 |
| 1987 | 16.4°C | 13.4°C | 10.4°C | 20.9°C | 7.8°C | 100 mm | 86% | 3.6 m/s | 4.3 |
| 1986 | 15.1°C | 12.4°C | 9.6°C | 20.0°C | 6.8°C | 85 mm | 85% | 3.9 m/s | 4 |
| 1985 | 15.3°C | 12.7°C | 10.1°C | 20.7°C | 8.0°C | 193 mm | 87% | 3.8 m/s | 3.8 |
| 1984 | 17.7°C | 14.2°C | 10.6°C | 21.6°C | 5.7°C | 58 mm | 82% | 3.1 m/s | 5.1 |
| 1983 | 18.6°C | 15.3°C | 11.9°C | 24.6°C | 8.2°C | 41 mm | 84% | 2.8 m/s | — |
| 1982 | 17.8°C | 14.4°C | 11.1°C | 22.8°C | 8.4°C | 43 mm | 82% | 2.8 m/s | — |
| 1981 | 15.1°C | 12.4°C | 9.7°C | 18.5°C | 7.6°C | 118 mm | 86% | 3.8 m/s | — |
Actual recorded July data for each year, 1981–2025 — sourced from NASA POWER.
The average high in July is around 16.6°C with lows near 10.8°C (mean 13.7°C), based on 45 years of NASA POWER data.
July averages 112 mm of rainfall in Greenock, one of the drier months. The wettest on record was 199 mm in 2010.
The hottest July reached 25.2°C in 2025. The coldest dipped to 5.7°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 16.9°C to 17.3°C and overnight lows from 10.7°C to 11.4°C over the same span.
July is one of the warmer months of the year in Greenock and one of the drier months, so plan for around 16.6°C daytime highs and 10.8°C at night.
Not quite — July is the 12th coolest month in Greenock, averaging 13.7°C.
For July in Greenock, pack light layers you can adjust through the day, with typical highs of 16.6°C and lows of 10.8°C. Bring an umbrella or light rain jacket too.
Relative humidity in July averages 85% — quite humid.
Average wind speed in July is 3.4 m/s. The windiest July on record averaged 4.2 m/s (1993).
The wettest July on record was 2010 with 199 mm. On average, July sees 112 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 Greenock 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.
