August is one of the warmer months of the year in Oxnard, with average highs near 22°C and lows around 18.6°C (mean 20.3°C). It is one of the drier months, averaging 2 mm of rainfall and 75% relative humidity across the period.
August is one of the warmer months of the year in Oxnard. Across 45 years of records, the warmest Augusts in Oxnard were 1983 and 1984 — when the month averaged 22.4°C — while the coldest was 2010 at 17.9°C. Typical August days reach 22°C with nights near 18.6°C. The long-term August temperature trend is broadly flat.
August is one of the drier months in Oxnard, averaging 2 mm of rainfall. The wettest August on record was 2023 with 48 mm, while the driest were 2022, 2024 and 2025, among others at 0 mm.
Relative humidity in Oxnard during August averages 75%. The most humid August was 2008 at 81%, and the least humid was 1986 at 66%.
August receives about 7.1 kWh/m²/day of solar energy in Oxnard. The sunniest August was 2006 at 7.6 kWh/m²/day, and the cloudiest was 1984 at 6.1.
Average wind speed in Oxnard during August is 2.1 m/s. The windiest August was 2015 at 2.7 m/s, while the calmest was 1986 at 1.6 m/s.
Ranked against the other 11 months using 1981–2025 averages.
| Metric | 1980s | 1990s | 2000s | 2010s | 2020s | Change |
|---|---|---|---|---|---|---|
| Avg Temp | 20.6°C | 20.6°C | 19.7°C | 20.1°C | 20.5°C | -0.1°C |
| Avg High | 22.3°C | 22.3°C | 21.4°C | 21.7°C | 22.2°C | -0.1°C |
| Avg Low | 18.8°C | 18.9°C | 18.0°C | 18.4°C | 18.8°C | 0°C |
| Avg Rain | 4 mm | 1 mm | 0 mm | 0 mm | 8 mm | +4 mm |
August temperatures in Oxnard have fallen by about 1°C between 1981–1985 and 2021–2025.
August has ranged from a record low of 14°C (2010) to a record high of 31.7°C (1984).
Rainfall in August is one of the drier months, averaging 2 mm, with a wettest year of 48 mm.
One of the best times to visit Oxnard
August is one of the best times to visit Oxnard. Expect days averaging 22°C and nights around 18.6°C (mean 20.3°C) — warmer than Oxnard's yearly average — with low rainfall (2 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 | 22.4°C | 20.8°C | 19.1°C | 26.7°C | 15.9°C | 0 mm | 77% | 2 m/s | 7.2 |
| 2024 | 21.9°C | 20.2°C | 18.5°C | 25.9°C | 16.3°C | 0 mm | 76% | 2.1 m/s | 7.4 |
| 2023 🌧️ | 22.5°C | 20.9°C | 19.2°C | 28.2°C | 17.5°C | 48 mm | 80% | 2.3 m/s | 7 |
| 2022 | 22.3°C | 20.5°C | 18.8°C | 25.9°C | 16.7°C | 0 mm | 76% | 2.3 m/s | 7.2 |
| 2021 | 21.3°C | 19.7°C | 18.2°C | 24.5°C | 16.0°C | 1 mm | 79% | 2 m/s | 7 |
| 2020 | 22.5°C | 20.8°C | 19.1°C | 26.3°C | 15.9°C | 0 mm | 78% | 2.1 m/s | 7.1 |
| 2019 | 21.3°C | 19.7°C | 18.1°C | 24.6°C | 15.6°C | 0 mm | 79% | 2 m/s | 7.4 |
| 2018 | 23.4°C | 21.7°C | 19.9°C | 30.3°C | 18.5°C | 0 mm | 78% | 2.2 m/s | 7.3 |
| 2017 | 21.9°C | 20.3°C | 18.6°C | 29.9°C | 16.1°C | 0 mm | 79% | 2.2 m/s | 6.8 |
| 2016 | 21.7°C | 20.0°C | 18.3°C | 24.4°C | 16.4°C | 0 mm | 78% | 2.5 m/s | 7.4 |
| 2015 | 23.3°C | 21.7°C | 20.1°C | 27.5°C | 18.0°C | 0 mm | 78% | 2.7 m/s | 7.2 |
| 2014 | 21.9°C | 20.4°C | 18.9°C | 26.6°C | 17.0°C | 1 mm | 78% | 2 m/s | 7.2 |
| 2013 | 21.2°C | 19.3°C | 17.4°C | 26.6°C | 15.1°C | 0 mm | 76% | 2 m/s | 7.2 |
| 2012 | 22.4°C | 20.7°C | 19.0°C | 25.7°C | 15.5°C | 0 mm | 73% | 1.8 m/s | 7.1 |
| 2011 | 20.3°C | 18.8°C | 17.2°C | 24.6°C | 14.7°C | 0 mm | 77% | 2.3 m/s | 7.3 |
| 2010 ❄️ | 19.7°C | 17.9°C | 16.1°C | 23.6°C | 14.0°C | 0 mm | 75% | 1.9 m/s | 7.5 |
| 2009 | 21.1°C | 19.4°C | 17.6°C | 29.3°C | 14.6°C | 0 mm | 74% | 2.2 m/s | 7 |
| 2008 | 21.4°C | 19.8°C | 18.1°C | 23.3°C | 16.7°C | 0 mm | 81% | 1.8 m/s | 7.2 |
| 2007 | 22.2°C | 20.5°C | 18.7°C | 27.6°C | 16.5°C | 0 mm | 75% | 2 m/s | 7.2 |
| 2006 | 21.4°C | 19.8°C | 18.3°C | 24.5°C | 16.4°C | 1 mm | 78% | 2.2 m/s | 7.6 |
| 2005 | 21.0°C | 19.4°C | 17.8°C | 26.5°C | 16.4°C | 0 mm | 80% | 1.7 m/s | 7 |
| 2004 | 20.8°C | 19.3°C | 17.7°C | 23.9°C | 16.3°C | 0 mm | 80% | 1.9 m/s | 7.3 |
| 2003 | 22.6°C | 20.9°C | 19.2°C | 27.8°C | 16.4°C | 2 mm | 72% | 2.4 m/s | 7.5 |
| 2002 | 20.5°C | 18.7°C | 16.9°C | 23.8°C | 15.4°C | 0 mm | 78% | 2 m/s | 7 |
| 2001 | 21.0°C | 19.3°C | 17.7°C | 23.9°C | 15.1°C | 0 mm | 75% | 1.9 m/s | 7.3 |
| 2000 | 21.8°C | 20.1°C | 18.5°C | 28.8°C | 16.5°C | 1 mm | 73% | 2.1 m/s | 7.3 |
| 1999 | 21.4°C | 19.6°C | 17.8°C | 26.7°C | 15.6°C | 2 mm | 68% | 2.3 m/s | 7.2 |
| 1998 | 23.3°C | 21.7°C | 20.1°C | 27.8°C | 17.6°C | 3 mm | 72% | 1.9 m/s | 7.2 |
| 1997 | 23.5°C | 21.8°C | 20.0°C | 29.3°C | 17.3°C | 0 mm | 74% | 2.5 m/s | 7.4 |
| 1996 | 22.2°C | 20.3°C | 18.5°C | 26.1°C | 15.4°C | 0 mm | 72% | 1.9 m/s | 7.4 |
| 1995 | 21.5°C | 19.9°C | 18.2°C | 25.7°C | 15.8°C | 0 mm | 73% | 2.2 m/s | 6.9 |
| 1994 | 23.4°C | 21.5°C | 19.6°C | 28.0°C | 15.7°C | 0 mm | 70% | 1.9 m/s | 7 |
| 1993 | 21.3°C | 19.7°C | 18.2°C | 25.4°C | 16.1°C | 0 mm | 78% | 2.1 m/s | 6.9 |
| 1992 | 23.3°C | 21.6°C | 19.9°C | 27.2°C | 17.5°C | 0 mm | 73% | 2.1 m/s | 7.2 |
| 1991 | 21.2°C | 19.5°C | 17.9°C | 26.3°C | 15.2°C | 2 mm | 75% | 2.1 m/s | 6.9 |
| 1990 | 22.3°C | 20.6°C | 18.9°C | 25.7°C | 16.6°C | 1 mm | 73% | 2.4 m/s | 7.1 |
| 1989 | 20.4°C | 18.8°C | 17.2°C | 23.2°C | 15.1°C | 0 mm | 76% | 1.9 m/s | 7.3 |
| 1988 | 21.2°C | 19.6°C | 18.0°C | 24.2°C | 15.3°C | 0 mm | 77% | 2.2 m/s | 6.8 |
| 1987 | 20.7°C | 19.2°C | 17.7°C | 23.3°C | 15.9°C | 0 mm | 77% | 2.1 m/s | 6.9 |
| 1986 | 22.5°C | 20.4°C | 18.3°C | 27.2°C | 15.5°C | 0 mm | 66% | 1.6 m/s | 6.8 |
| 1985 | 22.9°C | 20.8°C | 18.8°C | 31.0°C | 16.5°C | 0 mm | 67% | 2.1 m/s | 6.9 |
| 1984 | 24.0°C | 22.4°C | 20.8°C | 31.7°C | 18.5°C | 5 mm | 72% | 2 m/s | 6.1 |
| 1983 🔥 | 24.1°C | 22.4°C | 20.7°C | 29.4°C | 17.7°C | 32 mm | 70% | 2.1 m/s | — |
| 1982 | 22.6°C | 20.8°C | 18.9°C | 26.4°C | 16.4°C | 0 mm | 67% | 2 m/s | — |
| 1981 | 22.7°C | 20.8°C | 18.9°C | 28.0°C | 16.7°C | 0 mm | 68% | 2 m/s | — |
Actual recorded August data for each year, 1981–2025 — sourced from NASA POWER.
The average high in August is around 22°C with lows near 18.6°C (mean 20.3°C), based on 45 years of NASA POWER data.
August averages 2 mm of rainfall in Oxnard, one of the drier months. The wettest on record was 48 mm in 2023.
The hottest August reached 31.7°C in 1984. The coldest dipped to 14°C in 2010.
Comparing the earliest years on record (1981–1985) with the most recent (2021–2025), average August temperatures have fallen by about 1°C. Daytime highs moved from 23.3°C to 22.1°C and overnight lows from 19.6°C to 18.8°C over the same span.
August is one of the warmer months of the year in Oxnard and one of the drier months, so plan for around 22°C daytime highs and 18.6°C at night.
Not quite — August is the 11th coolest month in Oxnard, averaging 20.3°C.
For August in Oxnard, pack light layers you can adjust through the day, with typical highs of 22°C and lows of 18.6°C.
Relative humidity in August averages 75% — moderately humid.
Average wind speed in August is 2.1 m/s. The windiest August on record averaged 2.7 m/s (2015).
The wettest August on record was 2023 with 48 mm. On average, August sees 2 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 Oxnard 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.
