August is one of the warmer months of the year in Heysham, with average highs near 17.3°C and lows around 13.1°C (mean 15.2°C). It is about average for rainfall, averaging 96 mm of rainfall and 85% relative humidity across the period.
August is one of the warmer months of the year in Heysham. Across 45 years of records, the warmest August in Heysham was 1995 — when the month averaged 17.2°C — while the coldest was 1986 at 12.7°C. Typical August days reach 17.3°C with nights near 13.1°C. The long-term trend is warming, about 0.3°C per decade.
August is about average for rainfall in Heysham, averaging 96 mm of rainfall. The wettest August on record was 2004 with 220 mm, while the driest was 1995 at 17 mm.
Relative humidity in Heysham during August averages 85%. The most humid August was 2008 at 88%, and the least humid was 2022 at 81%.
August receives about 3.9 kWh/m²/day of solar energy in Heysham. The sunniest August was 1995 at 4.9 kWh/m²/day, and the cloudiest was 2008 at 3.2.
Average wind speed in Heysham during August is 4.2 m/s. The windiest August was 1985 at 5.9 m/s, while the calmest were 1983 and 1984 at 3.1 m/s.
Ranked against the other 11 months using 1981–2025 averages.
| Metric | 1980s | 1990s | 2000s | 2010s | 2020s | Change |
|---|---|---|---|---|---|---|
| Avg Temp | 14.6°C | 15.2°C | 15.5°C | 15.1°C | 16.2°C | +1.6°C |
| Avg High | 16.7°C | 17.4°C | 17.5°C | 17.1°C | 18.3°C | +1.6°C |
| Avg Low | 12.5°C | 12.9°C | 13.4°C | 13.1°C | 14.0°C | +1.5°C |
| Avg Rain | 95 mm | 79 mm | 104 mm | 111 mm | 90 mm | -5 mm |
August temperatures in Heysham have risen by about 1.1°C between 1981–1985 and 2021–2025.
August has ranged from a record low of 8.4°C (1993) to a record high of 25.6°C (2022).
Rainfall in August is about average for rainfall, averaging 96 mm, with a wettest year of 220 mm.
One of the best times to visit Heysham
August is one of the best times to visit Heysham. Expect days averaging 17.3°C and nights around 13.1°C (mean 15.2°C) — warmer than Heysham's yearly average — with higher rainfall (96 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 | 18.9°C | 16.6°C | 14.2°C | 22.7°C | 10.4°C | 49 mm | 83% | 4.2 m/s | 4.3 |
| 2024 | 17.7°C | 15.7°C | 13.8°C | 21.1°C | 10.7°C | 106 mm | 85% | 5.2 m/s | 3.9 |
| 2023 | 17.8°C | 15.8°C | 13.8°C | 22.5°C | 11.6°C | 105 mm | 85% | 4.5 m/s | 4 |
| 2022 | 19.5°C | 17.0°C | 14.5°C | 25.6°C | 11.8°C | 52 mm | 81% | 3.4 m/s | 4.4 |
| 2021 | 17.7°C | 15.7°C | 13.6°C | 20.3°C | 11.6°C | 70 mm | 85% | 3.6 m/s | 3.9 |
| 2020 | 18.5°C | 16.2°C | 13.9°C | 24.7°C | 8.6°C | 156 mm | 85% | 4.3 m/s | 3.7 |
| 2019 | 18.0°C | 16.1°C | 14.2°C | 22.5°C | 11.6°C | 150 mm | 86% | 4.9 m/s | 3.8 |
| 2018 | 17.4°C | 15.5°C | 13.7°C | 20.4°C | 10.4°C | 92 mm | 85% | 4.2 m/s | 3.6 |
| 2017 | 16.6°C | 14.8°C | 13.0°C | 20.1°C | 10.6°C | 112 mm | 85% | 4.4 m/s | 3.9 |
| 2016 | 17.6°C | 15.6°C | 13.5°C | 20.2°C | 10.7°C | 109 mm | 86% | 4.8 m/s | 4 |
| 2015 | 17.2°C | 15.1°C | 12.9°C | 21.2°C | 11.3°C | 102 mm | 83% | 4.2 m/s | 4 |
| 2014 | 16.0°C | 14.2°C | 12.3°C | 18.8°C | 9.4°C | 123 mm | 83% | 5.2 m/s | 4 |
| 2013 | 17.7°C | 15.6°C | 13.6°C | 22.2°C | 11.4°C | 91 mm | 85% | 4.1 m/s | 3.8 |
| 2012 | 17.4°C | 15.3°C | 13.3°C | 20.4°C | 10.2°C | 149 mm | 87% | 3.9 m/s | 3.7 |
| 2011 | 16.2°C | 14.4°C | 12.5°C | 19.0°C | 10.9°C | 106 mm | 84% | 3.9 m/s | 3.5 |
| 2010 | 16.6°C | 14.4°C | 12.2°C | 20.3°C | 8.9°C | 75 mm | 84% | 4.3 m/s | 4.1 |
| 2009 | 17.4°C | 15.5°C | 13.6°C | 20.2°C | 12.1°C | 127 mm | 86% | 5 m/s | 3.6 |
| 2008 | 17.0°C | 15.4°C | 13.8°C | 19.8°C | 12.0°C | 145 mm | 88% | 4.5 m/s | 3.2 |
| 2007 | 16.8°C | 14.7°C | 12.7°C | 20.3°C | 10.5°C | 77 mm | 86% | 4.4 m/s | 4 |
| 2006 | 17.0°C | 15.1°C | 13.2°C | 19.9°C | 11.9°C | 88 mm | 85% | 4.5 m/s | 3.7 |
| 2005 | 17.2°C | 15.1°C | 12.9°C | 21.5°C | 11.3°C | 73 mm | 85% | 4.2 m/s | 4.3 |
| 2004 🌧️ | 18.4°C | 16.3°C | 14.2°C | 22.7°C | 11.2°C | 220 mm | 87% | 3.8 m/s | 3.8 |
| 2003 | 18.7°C | 16.3°C | 14.0°C | 24.4°C | 9.7°C | 28 mm | 83% | 3.3 m/s | 4.4 |
| 2002 | 17.7°C | 15.5°C | 13.4°C | 21.4°C | 11.6°C | 92 mm | 87% | 3.2 m/s | 3.7 |
| 2001 | 17.3°C | 15.4°C | 13.4°C | 20.0°C | 10.8°C | 96 mm | 85% | 3.5 m/s | 3.6 |
| 2000 | 17.3°C | 15.2°C | 13.1°C | 21.5°C | 10.7°C | 96 mm | 86% | 3.5 m/s | 3.9 |
| 1999 | 17.2°C | 15.0°C | 12.7°C | 23.3°C | 8.9°C | 95 mm | 85% | 4.1 m/s | 3.8 |
| 1998 | 16.6°C | 14.6°C | 12.6°C | 20.9°C | 9.2°C | 78 mm | 87% | 4.8 m/s | 3.9 |
| 1997 | 19.3°C | 16.8°C | 14.2°C | 23.0°C | 11.9°C | 75 mm | 86% | 3.6 m/s | 4.1 |
| 1996 | 17.4°C | 15.2°C | 12.9°C | 21.4°C | 10.5°C | 85 mm | 85% | 3.7 m/s | 4 |
| 1995 🔥 | 20.1°C | 17.2°C | 14.3°C | 24.5°C | 10.4°C | 17 mm | 81% | 3.6 m/s | 4.9 |
| 1994 | 16.4°C | 14.4°C | 12.4°C | 20.2°C | 9.6°C | 114 mm | 84% | 4.4 m/s | 4 |
| 1993 | 15.7°C | 13.4°C | 11.2°C | 18.7°C | 8.4°C | 60 mm | 84% | 3.9 m/s | 4 |
| 1992 | 15.9°C | 14.1°C | 12.3°C | 18.2°C | 9.7°C | 139 mm | 83% | 5.3 m/s | 3.9 |
| 1991 | 17.7°C | 15.3°C | 13.0°C | 20.9°C | 11.0°C | 52 mm | 86% | 3.9 m/s | 3.9 |
| 1990 | 17.9°C | 15.8°C | 13.8°C | 25.2°C | 10.7°C | 69 mm | 85% | 4.4 m/s | 3.9 |
| 1989 | 16.9°C | 14.9°C | 12.8°C | 20.0°C | 9.1°C | 110 mm | 84% | 5 m/s | 3.8 |
| 1988 | 15.9°C | 14.1°C | 12.2°C | 21.8°C | 10.7°C | 107 mm | 85% | 5 m/s | 4 |
| 1987 | 16.1°C | 14.3°C | 12.4°C | 20.5°C | 9.9°C | 92 mm | 86% | 4 m/s | 3.6 |
| 1986 ❄️ | 14.7°C | 12.7°C | 10.7°C | 17.3°C | 8.6°C | 126 mm | 83% | 4.7 m/s | 3.5 |
| 1985 | 15.2°C | 13.5°C | 11.8°C | 17.5°C | 9.8°C | 162 mm | 86% | 5.9 m/s | 3.4 |
| 1984 | 19.2°C | 16.5°C | 13.8°C | 23.3°C | 11.3°C | 55 mm | 82% | 3.1 m/s | 4.3 |
| 1983 | 18.4°C | 15.8°C | 13.2°C | 21.8°C | 9.5°C | 52 mm | 83% | 3.1 m/s | — |
| 1982 | 16.8°C | 14.7°C | 12.7°C | 23.1°C | 9.3°C | 106 mm | 84% | 5.1 m/s | — |
| 1981 | 17.4°C | 15.2°C | 13.0°C | 20.0°C | 10.5°C | 49 mm | 84% | 3.5 m/s | — |
Actual recorded August data for each year, 1981–2025 — sourced from NASA POWER.
The average high in August is around 17.3°C with lows near 13.1°C (mean 15.2°C), based on 45 years of NASA POWER data.
August averages 96 mm of rainfall in Heysham, about average for rainfall. The wettest on record was 220 mm in 2004.
The hottest August reached 25.6°C in 2022. The coldest dipped to 8.4°C in 1993.
Comparing the earliest years on record (1981–1985) with the most recent (2021–2025), average August temperatures have risen by about 1.1°C. Daytime highs moved from 17.4°C to 18.3°C and overnight lows from 12.9°C to 14°C over the same span.
August is one of the warmer months of the year in Heysham and about average for rainfall, so plan for around 17.3°C daytime highs and 13.1°C at night.
Not quite — August is the 12th coolest month in Heysham, averaging 15.2°C.
For August in Heysham, pack light layers you can adjust through the day, with typical highs of 17.3°C and lows of 13.1°C. Bring an umbrella or light rain jacket too.
Relative humidity in August averages 85% — quite humid.
Average wind speed in August is 4.2 m/s. The windiest August on record averaged 5.9 m/s (1985).
The wettest August on record was 2004 with 220 mm. On average, August sees 96 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 Heysham behaves each August, 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 August specifically, along with year-by-year records and how the month has changed over the decades.
