August is one of the warmer months of the year in Hemet, with average highs near 34.9°C and lows around 17.1°C (mean 26°C). It is one of the drier months, averaging 11 mm of rainfall and 39% relative humidity across the period.
August is one of the warmer months of the year in Hemet. Across 45 years of records, the warmest August in Hemet was 2022 — when the month averaged 28.1°C — while the coldest was 1989 at 23.2°C. Typical August days reach 34.9°C with nights near 17.1°C. The long-term trend is warming, about 0.3°C per decade.
August is one of the drier months in Hemet, averaging 11 mm of rainfall. The wettest August on record was 1983 with 86 mm, while the driest were 1985, 2002 and 2019 at 0 mm.
Relative humidity in Hemet during August averages 39%. The most humid August was 1983 at 54%, and the least humid was 2019 at 28%.
August receives about 7.2 kWh/m²/day of solar energy in Hemet. 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 Hemet during August is 1.1 m/s. The windiest August was 2023 at 1.3 m/s, while the calmest were 2012, 2019 and 2025, among others at 1 m/s.
Ranked against the other 11 months using 1981–2025 averages.
| Metric | 1980s | 1990s | 2000s | 2010s | 2020s | Change |
|---|---|---|---|---|---|---|
| Avg Temp | 25.3°C | 25.9°C | 26.0°C | 26.1°C | 27.1°C | +1.8°C |
| Avg High | 34.1°C | 34.9°C | 35.0°C | 35.0°C | 35.9°C | +1.8°C |
| Avg Low | 16.5°C | 16.8°C | 17.0°C | 17.1°C | 18.2°C | +1.7°C |
| Avg Rain | 20 mm | 9 mm | 8 mm | 6 mm | 17 mm | -2 mm |
August temperatures in Hemet have risen by about 1.3°C between 1981–1985 and 2021–2025.
August has ranged from a record low of 8°C (1990) to a record high of 43.1°C (2020).
Rainfall in August is one of the drier months, averaging 11 mm, with a wettest year of 86 mm.
A good time to visit Hemet
August is a good time to visit Hemet, with days averaging 34.9°C and nights around 17.1°C (mean 26°C, warmer than Hemet'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 | 36.3°C | 26.7°C | 17.1°C | 40.6°C | 11.4°C | 8 mm | 31% | 1 m/s | 7.1 |
| 2024 | 36.2°C | 27.1°C | 18.0°C | 41.4°C | 10.6°C | 3 mm | 33% | 1.2 m/s | 7.3 |
| 2023 | 34.7°C | 26.2°C | 17.7°C | 39.8°C | 12.7°C | 70 mm | 43% | 1.3 m/s | 6.9 |
| 2022 🔥 | 36.2°C | 28.1°C | 20.0°C | 41.4°C | 16.4°C | 11 mm | 39% | 1.1 m/s | 6.7 |
| 2021 | 35.4°C | 26.7°C | 18.0°C | 39.9°C | 12.3°C | 10 mm | 40% | 1.2 m/s | 7.1 |
| 2020 | 36.8°C | 27.5°C | 18.2°C | 43.1°C | 10.6°C | 2 mm | 35% | 1.2 m/s | 7.3 |
| 2019 | 36.2°C | 26.5°C | 16.7°C | 39.6°C | 12.0°C | 0 mm | 28% | 1 m/s | 7.7 |
| 2018 | 35.3°C | 26.5°C | 17.7°C | 41.0°C | 13.4°C | 2 mm | 41% | 1.2 m/s | 7.2 |
| 2017 | 35.2°C | 26.7°C | 18.1°C | 41.1°C | 11.4°C | 7 mm | 40% | 1.2 m/s | 7.2 |
| 2016 | 35.2°C | 26.1°C | 17.0°C | 39.1°C | 12.0°C | 1 mm | 36% | 1.1 m/s | 7.4 |
| 2015 | 35.2°C | 26.2°C | 17.3°C | 40.9°C | 11.3°C | 1 mm | 38% | 1.1 m/s | 7.4 |
| 2014 | 33.1°C | 24.5°C | 15.8°C | 38.2°C | 10.5°C | 21 mm | 46% | 1.1 m/s | 6.9 |
| 2013 | 33.6°C | 25.1°C | 16.6°C | 38.7°C | 9.6°C | 15 mm | 40% | 1.2 m/s | 7 |
| 2012 | 36.2°C | 28.0°C | 19.8°C | 41.3°C | 12.3°C | 14 mm | 40% | 1 m/s | 6.7 |
| 2011 | 35.8°C | 26.2°C | 16.6°C | 41.0°C | 12.1°C | 2 mm | 31% | 1.1 m/s | 7.6 |
| 2010 | 33.9°C | 24.7°C | 15.6°C | 40.3°C | 8.8°C | 2 mm | 36% | 1.2 m/s | 7.6 |
| 2009 | 35.0°C | 25.7°C | 16.5°C | 40.1°C | 10.3°C | 0 mm | 34% | 1.1 m/s | 7.5 |
| 2008 | 35.3°C | 26.5°C | 17.6°C | 37.8°C | 11.7°C | 8 mm | 39% | 1.1 m/s | 7 |
| 2007 | 35.8°C | 26.8°C | 17.9°C | 40.3°C | 11.6°C | 12 mm | 39% | 1.1 m/s | 7.1 |
| 2006 | 34.5°C | 25.3°C | 16.1°C | 39.0°C | 10.4°C | 1 mm | 38% | 1.2 m/s | 7.6 |
| 2005 | 34.6°C | 26.2°C | 17.8°C | 39.3°C | 12.7°C | 8 mm | 43% | 1.1 m/s | 7.2 |
| 2004 | 34.3°C | 25.1°C | 15.9°C | 40.6°C | 10.3°C | 7 mm | 41% | 1.2 m/s | 7.4 |
| 2003 | 35.7°C | 26.9°C | 18.1°C | 39.2°C | 13.3°C | 20 mm | 40% | 1.1 m/s | 6.9 |
| 2002 | 34.6°C | 24.9°C | 15.1°C | 40.6°C | 10.7°C | 0 mm | 37% | 1.1 m/s | 7.7 |
| 2001 | 35.6°C | 26.6°C | 17.5°C | 39.6°C | 11.7°C | 2 mm | 38% | 1.1 m/s | 7.4 |
| 2000 | 34.4°C | 25.9°C | 17.5°C | 39.3°C | 11.9°C | 20 mm | 42% | 1.1 m/s | 6.9 |
| 1999 | 34.4°C | 25.0°C | 15.5°C | 38.9°C | 9.8°C | 8 mm | 38% | 1.1 m/s | 7.4 |
| 1998 | 36.2°C | 27.5°C | 18.8°C | 41.4°C | 12.0°C | 16 mm | 41% | 1 m/s | 7 |
| 1997 | 35.4°C | 26.1°C | 16.8°C | 41.7°C | 12.1°C | 2 mm | 43% | 1.2 m/s | 7.4 |
| 1996 | 36.4°C | 27.2°C | 18.0°C | 40.5°C | 10.3°C | 3 mm | 37% | 1.2 m/s | 7.4 |
| 1995 | 36.1°C | 27.3°C | 18.4°C | 40.3°C | 12.9°C | 4 mm | 35% | 1.1 m/s | 7 |
| 1994 | 36.2°C | 27.1°C | 18.0°C | 41.9°C | 12.2°C | 13 mm | 38% | 1.1 m/s | 6.7 |
| 1993 | 33.1°C | 24.2°C | 15.3°C | 38.9°C | 9.6°C | 2 mm | 42% | 1.1 m/s | 7.1 |
| 1992 | 34.6°C | 26.2°C | 17.9°C | 39.3°C | 10.4°C | 22 mm | 46% | 1.1 m/s | 6.8 |
| 1991 | 32.8°C | 23.7°C | 14.7°C | 38.4°C | 8.3°C | 8 mm | 45% | 1.1 m/s | 7.1 |
| 1990 | 33.5°C | 24.3°C | 15.0°C | 38.9°C | 8.0°C | 9 mm | 44% | 1.1 m/s | 6.9 |
| 1989 ❄️ | 32.4°C | 23.2°C | 13.9°C | 36.6°C | 9.5°C | 6 mm | 46% | 1.2 m/s | 7.3 |
| 1988 | 33.2°C | 24.5°C | 15.8°C | 37.8°C | 10.0°C | 20 mm | 47% | 1.1 m/s | 6.9 |
| 1987 | 33.6°C | 24.7°C | 15.9°C | 38.1°C | 10.0°C | 7 mm | 41% | 1.2 m/s | 7.1 |
| 1986 | 36.0°C | 27.2°C | 18.4°C | 39.2°C | 13.0°C | 7 mm | 31% | 1 m/s | 7.2 |
| 1985 | 35.0°C | 25.2°C | 15.3°C | 41.1°C | 10.5°C | 0 mm | 31% | 1.2 m/s | 7.4 |
| 1984 | 33.7°C | 25.3°C | 17.0°C | 37.9°C | 12.2°C | 31 mm | 50% | 1 m/s | 6.1 |
| 1983 🌧️ | 32.7°C | 24.9°C | 17.2°C | 39.4°C | 8.9°C | 86 mm | 54% | 1.1 m/s | — |
| 1982 | 34.3°C | 25.9°C | 17.6°C | 38.0°C | 11.5°C | 15 mm | 36% | 1 m/s | — |
| 1981 | 36.3°C | 27.0°C | 17.7°C | 40.7°C | 11.0°C | 5 mm | 29% | 1.1 m/s | — |
Actual recorded August data for each year, 1981–2025 — sourced from NASA POWER.
The average high in August is around 34.9°C with lows near 17.1°C (mean 26°C), based on 45 years of NASA POWER data.
August averages 11 mm of rainfall in Hemet, one of the drier months. The wettest on record was 86 mm in 1983.
The hottest August reached 43.1°C in 2020. The coldest dipped to 8°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 34.4°C to 35.8°C and overnight lows from 17°C to 18.2°C over the same span.
August is one of the warmer months of the year in Hemet and one of the drier months, so plan for around 34.9°C daytime highs and 17.1°C at night.
Not quite — August is the 12th coolest month in Hemet, averaging 26°C.
For August in Hemet, pack light, breathable clothing and sun protection, with typical highs of 34.9°C and lows of 17.1°C.
Relative humidity in August averages 39% — relatively dry.
Average wind speed in August is 1.1 m/s. The windiest August on record averaged 1.3 m/s (2023).
The wettest August on record was 1983 with 86 mm. On average, August sees 11 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 Hemet 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.
