June is one of the warmer months of the year in Santa Ana, with average highs near 20.3°C and lows around 16°C (mean 18.2°C). It is one of the drier months, averaging 2 mm of rainfall and 77% relative humidity across the period.
June is one of the warmer months of the year in Santa Ana. Across 45 years of records, the warmest June in Santa Ana was 1981 — when the month averaged 21°C — while the coldest was 2011 at 16.4°C. Typical June days reach 20.3°C with nights near 16°C. The long-term trend is cooling, about 0.2°C per decade.
June is one of the drier months in Santa Ana, averaging 2 mm of rainfall. The wettest June on record was 1993 with 21 mm, while the driest were 2013, 2014 and 2018, among others at 0 mm.
Relative humidity in Santa Ana during June averages 77%. The most humid June was 2010 at 83%, and the least humid was 1981 at 64%.
June receives about 7.2 kWh/m²/day of solar energy in Santa Ana. The sunniest Junes were 2008 and 2014 at 8 kWh/m²/day, and the cloudiest was 2003 at 6.
Average wind speed in Santa Ana during June is 2.5 m/s. The windiest Junes were 1982, 1992 and 1998 at 3 m/s, while the calmest was 1994 at 2 m/s.
Ranked against the other 11 months using 1981–2025 averages.
| Metric | 1980s | 1990s | 2000s | 2010s | 2020s | Change |
|---|---|---|---|---|---|---|
| Avg Temp | 18.7°C | 18.2°C | 18.0°C | 17.7°C | 18.2°C | -0.5°C |
| Avg High | 21.3°C | 20.3°C | 20.0°C | 19.8°C | 20.1°C | -1.2°C |
| Avg Low | 16.2°C | 16.1°C | 16.0°C | 15.6°C | 16.2°C | 0°C |
| Avg Rain | 1 mm | 7 mm | 1 mm | 1 mm | 1 mm | +1 mm |
June temperatures in Santa Ana have fallen by about 1°C between 1981–1985 and 2021–2025.
June has ranged from a record low of 12.7°C (1999) to a record high of 32.9°C (1981).
Rainfall in June is one of the drier months, averaging 2 mm, with a wettest year of 21 mm.
A good time to visit Santa Ana
June is a good time to visit Santa Ana, with days averaging 20.3°C and nights around 16°C (mean 18.2°C, close to Santa Ana's yearly average) and low rainfall. August and September are marginally more temperate, but June still suits most travellers.
| Year | Avg High | Avg Temp | Avg Low | Hottest Day | Coldest Day | Rainfall | Humidity | Wind | Solar |
|---|---|---|---|---|---|---|---|---|---|
| 2025 | 20.0°C | 18.0°C | 16.0°C | 23.2°C | 14.9°C | 1 mm | 80% | 2.5 m/s | 7.3 |
| 2024 | 19.9°C | 18.0°C | 16.1°C | 24.1°C | 13.6°C | 1 mm | 82% | 2.2 m/s | 7.4 |
| 2023 | 18.7°C | 17.1°C | 15.5°C | 20.6°C | 13.8°C | 3 mm | 82% | 2.7 m/s | 6.7 |
| 2022 | 21.4°C | 19.1°C | 16.9°C | 24.6°C | 14.4°C | 1 mm | 77% | 2.3 m/s | 7.9 |
| 2021 | 19.9°C | 17.9°C | 15.9°C | 22.8°C | 13.0°C | 0 mm | 78% | 2.5 m/s | 7.4 |
| 2020 | 20.8°C | 18.8°C | 16.8°C | 28.9°C | 15.9°C | 3 mm | 77% | 2.7 m/s | 7.2 |
| 2019 | 19.5°C | 17.4°C | 15.4°C | 23.7°C | 13.3°C | 3 mm | 82% | 2.2 m/s | 6.5 |
| 2018 | 19.7°C | 17.5°C | 15.4°C | 21.3°C | 13.7°C | 0 mm | 79% | 2.4 m/s | 7.7 |
| 2017 | 20.0°C | 17.9°C | 15.8°C | 24.3°C | 13.8°C | 0 mm | 79% | 2.4 m/s | 7.5 |
| 2016 | 21.2°C | 18.9°C | 16.7°C | 29.8°C | 14.2°C | 0 mm | 75% | 2.4 m/s | 7.2 |
| 2015 | 21.2°C | 19.0°C | 16.8°C | 25.7°C | 13.8°C | 2 mm | 78% | 2.3 m/s | 7.1 |
| 2014 | 20.6°C | 18.3°C | 16.1°C | 22.6°C | 14.4°C | 0 mm | 78% | 2.4 m/s | 8 |
| 2013 | 20.2°C | 18.1°C | 16.1°C | 24.6°C | 14.0°C | 0 mm | 78% | 2.5 m/s | 7.5 |
| 2012 | 18.9°C | 16.8°C | 14.7°C | 21.0°C | 13.1°C | 0 mm | 78% | 2.5 m/s | 7.8 |
| 2011 ❄️ | 18.4°C | 16.4°C | 14.5°C | 21.1°C | 12.9°C | 1 mm | 80% | 2.3 m/s | 7.4 |
| 2010 | 18.5°C | 16.6°C | 14.6°C | 19.9°C | 13.8°C | 0 mm | 83% | 2.2 m/s | 7.2 |
| 2009 | 19.3°C | 17.5°C | 15.8°C | 21.9°C | 14.6°C | 1 mm | 80% | 2.6 m/s | 6.7 |
| 2008 | 20.7°C | 18.3°C | 16.0°C | 27.8°C | 13.4°C | 0 mm | 77% | 2.4 m/s | 8 |
| 2007 | 19.5°C | 17.3°C | 15.1°C | 21.7°C | 13.3°C | 0 mm | 78% | 2.2 m/s | 7.8 |
| 2006 | 21.7°C | 19.5°C | 17.2°C | 26.0°C | 15.4°C | 1 mm | 78% | 2.3 m/s | 7.1 |
| 2005 | 19.5°C | 17.6°C | 15.7°C | 21.7°C | 14.7°C | 0 mm | 80% | 2.7 m/s | 7.2 |
| 2004 | 19.3°C | 17.4°C | 15.5°C | 21.4°C | 14.3°C | 0 mm | 81% | 2.3 m/s | 7.1 |
| 2003 | 18.8°C | 17.0°C | 15.3°C | 21.8°C | 14.1°C | 1 mm | 82% | 2.6 m/s | 6 |
| 2002 | 19.3°C | 17.2°C | 15.2°C | 21.2°C | 13.9°C | 0 mm | 79% | 2.3 m/s | 7.6 |
| 2001 | 21.0°C | 18.9°C | 16.8°C | 24.5°C | 14.2°C | 1 mm | 77% | 2.3 m/s | 7.6 |
| 2000 | 21.0°C | 18.9°C | 16.9°C | 25.8°C | 14.4°C | 1 mm | 79% | 2.6 m/s | 7.7 |
| 1999 | 18.8°C | 16.8°C | 14.9°C | 22.2°C | 12.7°C | 8 mm | 77% | 2.5 m/s | 7.4 |
| 1998 | 19.0°C | 17.4°C | 15.8°C | 21.8°C | 14.0°C | 2 mm | 82% | 3 m/s | 6.9 |
| 1997 | 20.5°C | 18.7°C | 16.9°C | 22.5°C | 15.7°C | 15 mm | 79% | 2.9 m/s | 7.3 |
| 1996 | 20.8°C | 18.6°C | 16.4°C | 25.2°C | 15.1°C | 0 mm | 76% | 2.4 m/s | 7.9 |
| 1995 | 19.3°C | 17.2°C | 15.1°C | 21.9°C | 13.3°C | 17 mm | 80% | 2.6 m/s | 6.6 |
| 1994 | 21.2°C | 19.0°C | 16.7°C | 26.7°C | 14.9°C | 0 mm | 76% | 2 m/s | 7.3 |
| 1993 🌧️ | 21.8°C | 19.6°C | 17.3°C | 26.7°C | 14.5°C | 21 mm | 76% | 2.5 m/s | 7.3 |
| 1992 | 20.5°C | 18.3°C | 16.2°C | 22.3°C | 14.8°C | 0 mm | 78% | 3 m/s | 6.8 |
| 1991 | 18.6°C | 16.6°C | 14.6°C | 21.6°C | 13.0°C | 0 mm | 78% | 2.5 m/s | 6.9 |
| 1990 | 22.3°C | 19.8°C | 17.2°C | 29.9°C | 14.9°C | 4 mm | 70% | 2.6 m/s | 7.5 |
| 1989 | 20.9°C | 18.3°C | 15.8°C | 25.4°C | 14.1°C | 0 mm | 74% | 2.7 m/s | 6.9 |
| 1988 | 20.1°C | 17.7°C | 15.4°C | 22.9°C | 13.4°C | 0 mm | 75% | 2.5 m/s | 6.5 |
| 1987 | 20.8°C | 18.4°C | 15.9°C | 23.0°C | 14.5°C | 1 mm | 73% | 2.5 m/s | 7 |
| 1986 | 21.4°C | 18.9°C | 16.4°C | 25.0°C | 15.0°C | 0 mm | 73% | 2.3 m/s | 7.2 |
| 1985 | 21.3°C | 18.8°C | 16.2°C | 26.6°C | 14.3°C | 0 mm | 71% | 2.4 m/s | 7.3 |
| 1984 | 22.4°C | 19.8°C | 17.3°C | 25.3°C | 15.7°C | 1 mm | 69% | 2.8 m/s | 6.4 |
| 1983 | 20.6°C | 18.2°C | 15.9°C | 24.7°C | 14.1°C | 0 mm | 77% | 2.5 m/s | — |
| 1982 | 19.5°C | 17.3°C | 15.1°C | 22.1°C | 13.9°C | 1 mm | 76% | 3 m/s | — |
| 1981 🔥 | 24.3°C | 21.0°C | 17.7°C | 32.9°C | 14.5°C | 0 mm | 64% | 2.8 m/s | — |
Actual recorded June data for each year, 1981–2025 — sourced from NASA POWER.
The average high in June is around 20.3°C with lows near 16°C (mean 18.2°C), based on 45 years of NASA POWER data.
June averages 2 mm of rainfall in Santa Ana, one of the drier months. The wettest on record was 21 mm in 1993.
The hottest June reached 32.9°C in 1981. The coldest dipped to 12.7°C in 1999.
Comparing the earliest years on record (1981–1985) with the most recent (2021–2025), average June temperatures have fallen by about 1°C. Daytime highs moved from 21.6°C to 20°C and overnight lows from 16.4°C to 16.1°C over the same span.
June is one of the warmer months of the year in Santa Ana and one of the drier months, so plan for around 20.3°C daytime highs and 16°C at night.
Not quite — June is the 8th coolest month in Santa Ana, averaging 18.2°C.
For June in Santa Ana, pack light layers you can adjust through the day, with typical highs of 20.3°C and lows of 16°C.
Relative humidity in June averages 77% — quite humid.
Average wind speed in June is 2.5 m/s. The windiest June on record averaged 3 m/s (1982).
The wettest June on record was 1993 with 21 mm. On average, June 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 Santa Ana behaves each June, 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 June specifically, along with year-by-year records and how the month has changed over the decades.
