August is one of the warmer months of the year in Lancaster, with average highs near 36.1°C and lows around 18°C (mean 27.1°C). It is one of the drier months, averaging 4 mm of rainfall and 31% relative humidity across the period.
August is one of the warmer months of the year in Lancaster. Across 45 years of records, the warmest August in Lancaster was 2012 — when the month averaged 29.3°C — while the coldest was 1989 at 24.4°C. Typical August days reach 36.1°C with nights near 18°C. The long-term trend is warming, about 0.3°C per decade.
August is one of the drier months in Lancaster, averaging 4 mm of rainfall. The wettest August on record was 2023 with 72 mm, while the driest were 2015, 2016 and 2019, among others at 0 mm.
Relative humidity in Lancaster during August averages 31%. The most humid August was 1983 at 42%, and the least humid was 1986 at 22%.
August receives about 7.3 kWh/m²/day of solar energy in Lancaster. The sunniest Augusts were 2006, 2010 and 2019 at 7.7 kWh/m²/day, and the cloudiest was 1984 at 6.5.
Average wind speed in Lancaster during August is 2.1 m/s. The windiest August was 1997 at 2.3 m/s, while the calmest were 1998, 2009 and 2012, among others at 1.9 m/s.
Ranked against the other 11 months using 1981–2025 averages.
| Metric | 1980s | 1990s | 2000s | 2010s | 2020s | Change |
|---|---|---|---|---|---|---|
| Avg Temp | 26.4°C | 27.0°C | 27.1°C | 27.1°C | 28.1°C | +1.7°C |
| Avg High | 35.3°C | 36.0°C | 36.1°C | 36.2°C | 36.9°C | +1.6°C |
| Avg Low | 17.5°C | 17.9°C | 18.0°C | 18.0°C | 19.2°C | +1.7°C |
| Avg Rain | 7 mm | 2 mm | 1 mm | 2 mm | 13 mm | +6 mm |
August temperatures in Lancaster have risen by about 1.3°C between 1981–1985 and 2021–2025.
August has ranged from a record low of 9.7°C (1990) to a record high of 43.3°C (1998).
Rainfall in August is one of the drier months, averaging 4 mm, with a wettest year of 72 mm.
A good time to visit Lancaster
August is a good time to visit Lancaster, with days averaging 36.1°C and nights around 18°C (mean 27.1°C, warmer than Lancaster's yearly average) and low rainfall. June and September are marginally more temperate, but August still suits most travellers.
| Year | Avg High | Avg Temp | Avg Low | Hottest Day | Coldest Day | Rainfall | Humidity | Wind | Solar |
|---|---|---|---|---|---|---|---|---|---|
| 2025 | 37.3°C | 28.2°C | 19.0°C | 41.8°C | 15.0°C | 3 mm | 28% | 2 m/s | 7.3 |
| 2024 | 37.3°C | 28.0°C | 18.7°C | 42.2°C | 11.7°C | 0 mm | 28% | 2 m/s | 7.5 |
| 2023 🌧️ | 35.2°C | 26.7°C | 18.1°C | 39.7°C | 14.5°C | 72 mm | 38% | 2.1 m/s | 7.1 |
| 2022 | 37.7°C | 29.2°C | 20.7°C | 43.0°C | 16.7°C | 3 mm | 30% | 2 m/s | 7.2 |
| 2021 | 36.4°C | 27.6°C | 18.8°C | 42.4°C | 14.0°C | 1 mm | 32% | 2.2 m/s | 7.2 |
| 2020 | 37.8°C | 28.7°C | 19.6°C | 42.9°C | 13.5°C | 1 mm | 31% | 2.1 m/s | 7.2 |
| 2019 | 36.9°C | 27.5°C | 18.2°C | 40.2°C | 14.0°C | 0 mm | 25% | 2 m/s | 7.7 |
| 2018 | 36.5°C | 27.4°C | 18.2°C | 41.7°C | 13.0°C | 0 mm | 32% | 2.2 m/s | 7.4 |
| 2017 | 36.5°C | 27.9°C | 19.3°C | 42.3°C | 13.6°C | 4 mm | 34% | 2 m/s | 7.1 |
| 2016 | 36.2°C | 26.9°C | 17.5°C | 40.4°C | 13.4°C | 0 mm | 29% | 2.1 m/s | 7.6 |
| 2015 | 36.4°C | 27.1°C | 17.9°C | 41.4°C | 12.6°C | 0 mm | 34% | 2.1 m/s | 7.4 |
| 2014 | 34.5°C | 25.9°C | 17.3°C | 39.7°C | 13.5°C | 4 mm | 34% | 2.1 m/s | 7.4 |
| 2013 | 35.2°C | 26.4°C | 17.6°C | 39.1°C | 13.0°C | 3 mm | 29% | 2.1 m/s | 7.4 |
| 2012 🔥 | 38.1°C | 29.3°C | 20.4°C | 42.5°C | 13.3°C | 5 mm | 27% | 1.9 m/s | 7.2 |
| 2011 | 36.7°C | 26.9°C | 17.2°C | 41.6°C | 13.2°C | 0 mm | 26% | 2 m/s | 7.6 |
| 2010 | 35.1°C | 25.8°C | 16.4°C | 42.1°C | 10.1°C | 1 mm | 29% | 2.1 m/s | 7.7 |
| 2009 | 35.7°C | 26.7°C | 17.6°C | 39.6°C | 12.6°C | 0 mm | 27% | 1.9 m/s | 7.4 |
| 2008 | 36.7°C | 27.7°C | 18.6°C | 41.0°C | 15.0°C | 0 mm | 32% | 2.1 m/s | 7.4 |
| 2007 | 36.9°C | 27.9°C | 18.9°C | 41.9°C | 12.6°C | 1 mm | 32% | 2 m/s | 7.4 |
| 2006 | 35.2°C | 26.0°C | 16.7°C | 39.8°C | 13.0°C | 0 mm | 33% | 2 m/s | 7.7 |
| 2005 | 36.5°C | 27.5°C | 18.5°C | 41.2°C | 13.8°C | 3 mm | 32% | 2 m/s | 7.5 |
| 2004 | 35.4°C | 26.1°C | 16.8°C | 41.8°C | 12.6°C | 1 mm | 35% | 2.2 m/s | 7.6 |
| 2003 | 36.7°C | 28.0°C | 19.2°C | 40.5°C | 15.1°C | 3 mm | 30% | 2.1 m/s | 7.4 |
| 2002 | 35.4°C | 26.0°C | 16.5°C | 41.5°C | 12.3°C | 0 mm | 32% | 2.1 m/s | 7.4 |
| 2001 | 37.1°C | 27.7°C | 18.3°C | 41.0°C | 13.2°C | 0 mm | 30% | 2.1 m/s | 7.6 |
| 2000 | 35.7°C | 27.1°C | 18.5°C | 40.2°C | 13.0°C | 7 mm | 33% | 2.2 m/s | 7.3 |
| 1999 | 35.2°C | 26.1°C | 17.0°C | 40.9°C | 11.4°C | 0 mm | 30% | 2.1 m/s | 7.5 |
| 1998 | 37.8°C | 28.8°C | 19.9°C | 43.3°C | 13.7°C | 8 mm | 31% | 1.9 m/s | 7.3 |
| 1997 | 35.8°C | 26.7°C | 17.5°C | 43.1°C | 12.9°C | 0 mm | 38% | 2.3 m/s | 7.4 |
| 1996 | 37.9°C | 28.4°C | 19.0°C | 42.5°C | 12.8°C | 1 mm | 30% | 2 m/s | 7.6 |
| 1995 | 36.7°C | 27.9°C | 19.0°C | 40.0°C | 13.8°C | 2 mm | 26% | 2.2 m/s | 7.1 |
| 1994 | 37.3°C | 28.2°C | 19.2°C | 41.8°C | 13.9°C | 1 mm | 29% | 2.2 m/s | 7 |
| 1993 | 34.4°C | 25.5°C | 16.6°C | 40.5°C | 11.9°C | 0 mm | 35% | 2 m/s | 7.1 |
| 1992 | 36.4°C | 27.6°C | 18.8°C | 40.7°C | 11.0°C | 1 mm | 33% | 2.1 m/s | 7.3 |
| 1991 | 34.1°C | 25.1°C | 16.1°C | 38.8°C | 11.4°C | 0 mm | 36% | 2.1 m/s | 7 |
| 1990 | 34.7°C | 25.5°C | 16.3°C | 41.2°C | 9.7°C | 7 mm | 36% | 2 m/s | 7 |
| 1989 ❄️ | 33.6°C | 24.4°C | 15.2°C | 38.6°C | 10.8°C | 1 mm | 36% | 2.2 m/s | 7.3 |
| 1988 | 35.0°C | 26.1°C | 17.2°C | 38.6°C | 11.5°C | 10 mm | 37% | 1.9 m/s | 6.9 |
| 1987 | 35.1°C | 26.0°C | 16.8°C | 39.7°C | 10.1°C | 1 mm | 34% | 2.2 m/s | 7.1 |
| 1986 | 37.1°C | 28.3°C | 19.5°C | 40.0°C | 15.2°C | 2 mm | 22% | 1.9 m/s | 7.3 |
| 1985 | 35.5°C | 25.8°C | 16.1°C | 42.0°C | 12.5°C | 0 mm | 28% | 2.1 m/s | 7.3 |
| 1984 | 35.3°C | 26.8°C | 18.3°C | 40.9°C | 15.5°C | 9 mm | 38% | 2 m/s | 6.5 |
| 1983 | 33.8°C | 26.0°C | 18.3°C | 40.8°C | 10.8°C | 38 mm | 42% | 1.9 m/s | — |
| 1982 | 35.2°C | 26.8°C | 18.4°C | 39.7°C | 12.7°C | 3 mm | 28% | 2 m/s | — |
| 1981 | 37.1°C | 27.6°C | 18.1°C | 40.9°C | 13.5°C | 1 mm | 23% | 2.1 m/s | — |
Actual recorded August data for each year, 1981–2025 — sourced from NASA POWER.
The average high in August is around 36.1°C with lows near 18°C (mean 27.1°C), based on 45 years of NASA POWER data.
August averages 4 mm of rainfall in Lancaster, one of the drier months. The wettest on record was 72 mm in 2023.
The hottest August reached 43.3°C in 1998. The coldest dipped to 9.7°C in 1990.
Comparing the earliest years on record (1981–1985) with the most recent (2021–2025), average August temperatures have risen by about 1.3°C. Daytime highs moved from 35.4°C to 36.8°C and overnight lows from 17.8°C to 19.1°C over the same span.
August is one of the warmer months of the year in Lancaster and one of the drier months, so plan for around 36.1°C daytime highs and 18°C at night.
Not quite — August is the 12th coolest month in Lancaster, averaging 27.1°C.
For August in Lancaster, pack light, breathable clothing and sun protection, with typical highs of 36.1°C and lows of 18°C.
Relative humidity in August averages 31% — relatively dry.
Average wind speed in August is 2.1 m/s. The windiest August on record averaged 2.3 m/s (1997).
The wettest August on record was 2023 with 72 mm. On average, August sees 4 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 Lancaster 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.
