August is one of the warmer months of the year in Cathedral City, with average highs near 36.8°C and lows around 21.6°C (mean 29.2°C). It is about average for rainfall, averaging 13 mm of rainfall and 28% relative humidity across the period.
August is one of the warmer months of the year in Cathedral City. Across 45 years of records, the warmest August in Cathedral City was 2020 — when the month averaged 31.6°C — while the coldest was 1989 at 26.5°C. Typical August days reach 36.8°C with nights near 21.6°C. The long-term trend is warming, about 0.6°C per decade.
August is about average for rainfall in Cathedral City, averaging 13 mm of rainfall. The wettest August on record was 1983 with 107 mm, while the driest were 1985 and 2002 at 0 mm.
Relative humidity in Cathedral City during August averages 28%. The most humid August was 1983 at 47%, and the least humid was 1985 at 18%.
August receives about 7.2 kWh/m²/day of solar energy in Cathedral City. The sunniest Augusts were 2002 and 2019 at 7.7 kWh/m²/day, and the cloudiest was 1984 at 6.1.
Average wind speed in Cathedral City during August is 2.1 m/s. The windiest Augusts were 1989, 2020 and 2023, among others at 2.4 m/s, while the calmest was 2022 at 1.6 m/s.
Ranked against the other 11 months using 1981–2025 averages.
| Metric | 1980s | 1990s | 2000s | 2010s | 2020s | Change |
|---|---|---|---|---|---|---|
| Avg Temp | 28.1°C | 28.9°C | 29.3°C | 29.6°C | 30.5°C | +2.4°C |
| Avg High | 35.7°C | 36.8°C | 36.9°C | 37.1°C | 38.0°C | +2.3°C |
| Avg Low | 20.5°C | 21.0°C | 21.7°C | 22.1°C | 23.0°C | +2.5°C |
| Avg Rain | 24 mm | 9 mm | 12 mm | 7 mm | 18 mm | -6 mm |
August temperatures in Cathedral City have risen by about 2.2°C between 1981–1985 and 2021–2025.
August has ranged from a record low of 10.8°C (2010) to a record high of 43.2°C (1998).
Rainfall in August is about average for rainfall, averaging 13 mm, with a wettest year of 107 mm.
A good time to visit Cathedral City
August is a good time to visit Cathedral City, with days averaging 36.8°C and nights around 21.6°C (mean 29.2°C, warmer than Cathedral City's yearly average) and low rainfall. May and October 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 | 38.6°C | 30.6°C | 22.6°C | 42.4°C | 18.8°C | 9 mm | 22% | 2.1 m/s | 7.1 |
| 2024 | 38.2°C | 30.7°C | 23.2°C | 42.9°C | 13.6°C | 1 mm | 22% | 2.2 m/s | 7.3 |
| 2023 | 36.7°C | 29.3°C | 22.0°C | 41.6°C | 15.1°C | 61 mm | 33% | 2.4 m/s | 6.9 |
| 2022 | 36.6°C | 30.3°C | 24.0°C | 41.0°C | 21.2°C | 26 mm | 36% | 1.6 m/s | 6.7 |
| 2021 | 38.0°C | 30.4°C | 22.8°C | 43.1°C | 15.5°C | 6 mm | 29% | 2 m/s | 7.1 |
| 2020 🔥 | 39.7°C | 31.6°C | 23.5°C | 42.9°C | 16.3°C | 3 mm | 22% | 2.4 m/s | 7.3 |
| 2019 | 38.5°C | 30.3°C | 22.1°C | 42.2°C | 17.3°C | 0 mm | 19% | 2.1 m/s | 7.7 |
| 2018 | 37.8°C | 30.3°C | 22.7°C | 42.4°C | 18.0°C | 2 mm | 27% | 2.2 m/s | 7.2 |
| 2017 | 36.7°C | 29.8°C | 22.8°C | 40.7°C | 15.5°C | 8 mm | 29% | 2.1 m/s | 7.2 |
| 2016 | 37.1°C | 29.8°C | 22.5°C | 40.7°C | 18.4°C | 1 mm | 23% | 2 m/s | 7.4 |
| 2015 | 38.2°C | 30.3°C | 22.5°C | 42.3°C | 16.1°C | 1 mm | 23% | 2.2 m/s | 7.4 |
| 2014 | 35.0°C | 27.8°C | 20.6°C | 39.8°C | 17.1°C | 13 mm | 31% | 2 m/s | 6.9 |
| 2013 | 35.5°C | 28.3°C | 21.1°C | 40.2°C | 16.5°C | 25 mm | 30% | 2.1 m/s | 7 |
| 2012 | 36.9°C | 30.3°C | 23.6°C | 41.2°C | 19.3°C | 12 mm | 34% | 1.8 m/s | 6.7 |
| 2011 | 38.9°C | 30.6°C | 22.2°C | 41.6°C | 17.7°C | 3 mm | 19% | 2.1 m/s | 7.6 |
| 2010 | 36.7°C | 28.6°C | 20.6°C | 40.4°C | 10.8°C | 6 mm | 24% | 2.3 m/s | 7.6 |
| 2009 | 37.0°C | 29.0°C | 20.9°C | 41.4°C | 14.1°C | 1 mm | 22% | 2.1 m/s | 7.5 |
| 2008 | 37.2°C | 29.5°C | 21.8°C | 41.2°C | 16.5°C | 17 mm | 29% | 2.1 m/s | 7 |
| 2007 | 37.8°C | 30.3°C | 22.8°C | 40.6°C | 15.0°C | 6 mm | 27% | 2.1 m/s | 7.1 |
| 2006 | 36.5°C | 28.8°C | 21.1°C | 39.0°C | 17.0°C | 5 mm | 24% | 2.2 m/s | 7.6 |
| 2005 | 35.1°C | 28.6°C | 22.2°C | 41.0°C | 17.0°C | 19 mm | 38% | 1.8 m/s | 7.2 |
| 2004 | 36.6°C | 28.8°C | 21.1°C | 42.3°C | 14.1°C | 9 mm | 28% | 2.1 m/s | 7.4 |
| 2003 | 36.5°C | 29.6°C | 22.6°C | 41.7°C | 18.3°C | 32 mm | 33% | 2.1 m/s | 6.9 |
| 2002 | 38.2°C | 29.3°C | 20.4°C | 42.5°C | 15.1°C | 0 mm | 20% | 2.3 m/s | 7.7 |
| 2001 | 38.0°C | 30.2°C | 22.4°C | 41.6°C | 15.3°C | 3 mm | 25% | 2.1 m/s | 7.4 |
| 2000 | 36.3°C | 28.9°C | 21.6°C | 41.3°C | 14.6°C | 28 mm | 31% | 2.2 m/s | 6.9 |
| 1999 | 36.4°C | 28.1°C | 19.9°C | 39.6°C | 12.3°C | 5 mm | 24% | 2.1 m/s | 7.4 |
| 1998 | 38.2°C | 30.5°C | 22.9°C | 43.2°C | 16.0°C | 10 mm | 28% | 2 m/s | 7 |
| 1997 | 37.1°C | 29.2°C | 21.3°C | 41.7°C | 14.5°C | 14 mm | 29% | 2.3 m/s | 7.4 |
| 1996 | 38.0°C | 29.9°C | 21.8°C | 40.9°C | 14.2°C | 7 mm | 26% | 2.1 m/s | 7.4 |
| 1995 | 38.1°C | 30.2°C | 22.3°C | 42.1°C | 17.0°C | 3 mm | 25% | 2.3 m/s | 7 |
| 1994 | 37.8°C | 30.0°C | 22.2°C | 41.7°C | 16.9°C | 16 mm | 27% | 2.3 m/s | 6.7 |
| 1993 | 35.4°C | 27.5°C | 19.5°C | 42.3°C | 13.3°C | 7 mm | 28% | 2.2 m/s | 7.1 |
| 1992 | 36.0°C | 28.8°C | 21.6°C | 41.2°C | 12.7°C | 15 mm | 34% | 2.1 m/s | 6.8 |
| 1991 | 35.3°C | 27.3°C | 19.3°C | 39.6°C | 14.2°C | 6 mm | 29% | 2.2 m/s | 7.1 |
| 1990 | 35.3°C | 27.2°C | 19.0°C | 39.3°C | 11.3°C | 7 mm | 30% | 2.1 m/s | 6.9 |
| 1989 ❄️ | 34.8°C | 26.5°C | 18.3°C | 38.8°C | 13.4°C | 12 mm | 30% | 2.4 m/s | 7.3 |
| 1988 | 35.1°C | 27.7°C | 20.4°C | 38.7°C | 14.9°C | 22 mm | 34% | 1.9 m/s | 6.9 |
| 1987 | 35.7°C | 28.1°C | 20.4°C | 39.1°C | 11.6°C | 5 mm | 28% | 2.2 m/s | 7.1 |
| 1986 | 37.3°C | 29.7°C | 22.2°C | 40.9°C | 15.8°C | 14 mm | 26% | 2 m/s | 7.2 |
| 1985 | 37.5°C | 28.7°C | 19.8°C | 41.7°C | 16.0°C | 0 mm | 18% | 2.4 m/s | 7.4 |
| 1984 | 34.4°C | 27.5°C | 20.6°C | 39.7°C | 17.9°C | 32 mm | 42% | 1.8 m/s | 6.1 |
| 1983 🌧️ | 33.0°C | 26.6°C | 20.2°C | 39.7°C | 12.8°C | 107 mm | 47% | 1.8 m/s | — |
| 1982 | 35.3°C | 28.0°C | 20.8°C | 39.3°C | 14.4°C | 15 mm | 30% | 2 m/s | — |
| 1981 | 38.0°C | 29.9°C | 21.8°C | 41.0°C | 15.7°C | 5 mm | 21% | 2.1 m/s | — |
Actual recorded August data for each year, 1981–2025 — sourced from NASA POWER.
The average high in August is around 36.8°C with lows near 21.6°C (mean 29.2°C), based on 45 years of NASA POWER data.
August averages 13 mm of rainfall in Cathedral City, about average for rainfall. The wettest on record was 107 mm in 1983.
The hottest August reached 43.2°C in 1998. The coldest dipped to 10.8°C in 2010.
Comparing the earliest years on record (1981–1985) with the most recent (2021–2025), average August temperatures have risen by about 2.2°C. Daytime highs moved from 35.6°C to 37.6°C and overnight lows from 20.6°C to 22.9°C over the same span.
August is one of the warmer months of the year in Cathedral City and about average for rainfall, so plan for around 36.8°C daytime highs and 21.6°C at night.
Not quite — August is the 11th coolest month in Cathedral City, averaging 29.2°C.
For August in Cathedral City, pack light, breathable clothing and sun protection, with typical highs of 36.8°C and lows of 21.6°C.
Relative humidity in August averages 28% — relatively dry.
Average wind speed in August is 2.1 m/s. The windiest August on record averaged 2.4 m/s (1985).
The wettest August on record was 1983 with 107 mm. On average, August sees 13 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 Cathedral City 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.
