July is one of the warmer months of the year in Santa Barbara, with average highs near 26°C and lows around 17.2°C (mean 21.6°C). It is one of the drier months, averaging 2 mm of rainfall and 53% relative humidity across the period.
July is one of the warmer months of the year in Santa Barbara. Across 45 years of records, the warmest July in Santa Barbara was 2006 — when the month averaged 24.4°C — while the coldest was 2025 at 19.6°C. Typical July days reach 26°C with nights near 17.2°C. The long-term July temperature trend is broadly flat.
July is one of the drier months in Santa Barbara, averaging 2 mm of rainfall. The wettest July on record was 2015 with 14 mm, while the driest were 1990, 1993 and 1994, among others at 0 mm.
Relative humidity in Santa Barbara during July averages 53%. The most humid July was 2015 at 65%, and the least humid was 1985 at 42%.
July receives about 7.6 kWh/m²/day of solar energy in Santa Barbara. The sunniest July was 2020 at 8.3 kWh/m²/day, and the cloudiest was 1984 at 6.5.
Average wind speed in Santa Barbara during July is 2.6 m/s. The windiest July was 2000 at 3.4 m/s, while the calmest was 1988 at 2.2 m/s.
Ranked against the other 11 months using 1981–2025 averages.
| Metric | 1980s | 1990s | 2000s | 2010s | 2020s | Change |
|---|---|---|---|---|---|---|
| Avg Temp | 21.9°C | 21.3°C | 21.9°C | 21.5°C | 21.4°C | -0.5°C |
| Avg High | 26.6°C | 25.7°C | 26.2°C | 25.8°C | 25.5°C | -1.1°C |
| Avg Low | 17.3°C | 16.9°C | 17.6°C | 17.2°C | 17.2°C | -0.1°C |
| Avg Rain | 1 mm | 2 mm | 2 mm | 2 mm | 0 mm | 0 mm |
July temperatures in Santa Barbara have fallen by about 0.7°C between 1981–1985 and 2021–2025.
July has ranged from a record low of 11.5°C (1987) to a record high of 36.6°C (2006).
Rainfall in July is one of the drier months, averaging 2 mm, with a wettest year of 14 mm.
Daytime highs and overnight lows have shifted differently — highs fell about 0.1°C per decade while lows rose 0.1°C per decade, narrowing the gap between day and night.
One of the best times to visit Santa Barbara
July is one of the best times to visit Santa Barbara. Expect days averaging 26°C and nights around 17.2°C (mean 21.6°C) — warmer than Santa Barbara'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 ❄️ | 23.7°C | 19.6°C | 15.6°C | 30.6°C | 13.6°C | 1 mm | 61% | 2.6 m/s | 8 |
| 2024 | 26.5°C | 22.4°C | 18.4°C | 34.4°C | 14.3°C | 0 mm | 49% | 2.5 m/s | 7.7 |
| 2023 | 27.2°C | 22.8°C | 18.4°C | 32.6°C | 13.2°C | 0 mm | 47% | 2.5 m/s | 8 |
| 2022 | 25.3°C | 21.2°C | 17.0°C | 30.9°C | 13.7°C | 1 mm | 56% | 2.7 m/s | 7.8 |
| 2021 | 25.8°C | 21.8°C | 17.8°C | 32.8°C | 15.1°C | 0 mm | 56% | 2.4 m/s | 7.6 |
| 2020 | 24.6°C | 20.4°C | 16.2°C | 31.1°C | 12.9°C | 0 mm | 56% | 2.6 m/s | 8.3 |
| 2019 | 25.7°C | 21.4°C | 17.1°C | 31.0°C | 13.9°C | 1 mm | 53% | 2.6 m/s | 7.8 |
| 2018 | 28.7°C | 24.1°C | 19.5°C | 36.6°C | 14.4°C | 0 mm | 52% | 2.6 m/s | 7.6 |
| 2017 | 27.3°C | 22.8°C | 18.3°C | 34.5°C | 13.5°C | 1 mm | 52% | 2.3 m/s | 7.8 |
| 2016 | 26.3°C | 21.8°C | 17.3°C | 33.4°C | 13.3°C | 1 mm | 52% | 2.6 m/s | 8.2 |
| 2015 🌧️ | 25.2°C | 21.1°C | 17.1°C | 28.6°C | 14.6°C | 14 mm | 65% | 2.6 m/s | 7.2 |
| 2014 | 26.3°C | 22.2°C | 18.2°C | 31.8°C | 15.6°C | 1 mm | 58% | 2.5 m/s | 7.5 |
| 2013 | 25.2°C | 21.2°C | 17.2°C | 32.7°C | 13.8°C | 1 mm | 56% | 2.5 m/s | 7.2 |
| 2012 | 24.1°C | 19.8°C | 15.6°C | 29.8°C | 12.3°C | 0 mm | 57% | 2.4 m/s | 7.7 |
| 2011 | 24.8°C | 20.6°C | 16.4°C | 28.6°C | 12.9°C | 1 mm | 58% | 2.7 m/s | 7.9 |
| 2010 | 23.9°C | 19.8°C | 15.6°C | 31.5°C | 12.8°C | 1 mm | 58% | 2.6 m/s | 7.6 |
| 2009 | 25.9°C | 21.9°C | 17.8°C | 30.6°C | 14.3°C | 1 mm | 49% | 2.3 m/s | 8.2 |
| 2008 | 26.3°C | 22.0°C | 17.6°C | 30.4°C | 14.9°C | 1 mm | 54% | 2.5 m/s | 7.6 |
| 2007 | 26.5°C | 22.1°C | 17.6°C | 32.6°C | 14.4°C | 0 mm | 52% | 2.8 m/s | 7.8 |
| 2006 🔥 | 28.8°C | 24.4°C | 20.0°C | 36.6°C | 15.9°C | 2 mm | 50% | 2.4 m/s | 7.7 |
| 2005 | 26.3°C | 22.3°C | 18.3°C | 32.2°C | 15.1°C | 1 mm | 55% | 2.4 m/s | 7.7 |
| 2004 | 25.2°C | 21.1°C | 17.0°C | 29.2°C | 13.4°C | 1 mm | 55% | 2.6 m/s | 8 |
| 2003 | 28.1°C | 23.2°C | 18.4°C | 32.9°C | 15.0°C | 6 mm | 49% | 2.7 m/s | 7.4 |
| 2002 | 25.0°C | 21.0°C | 17.0°C | 31.9°C | 14.0°C | 1 mm | 55% | 2.4 m/s | 7.6 |
| 2001 | 24.2°C | 20.1°C | 16.1°C | 31.5°C | 12.5°C | 3 mm | 59% | 2.5 m/s | 7.5 |
| 2000 | 25.8°C | 21.0°C | 16.2°C | 31.0°C | 12.7°C | 1 mm | 52% | 3.4 m/s | 7.9 |
| 1999 | 25.0°C | 20.7°C | 16.4°C | 30.4°C | 13.4°C | 4 mm | 54% | 3 m/s | 7.7 |
| 1998 | 26.5°C | 21.9°C | 17.3°C | 34.9°C | 12.2°C | 3 mm | 56% | 2.7 m/s | 8 |
| 1997 | 25.7°C | 21.0°C | 16.4°C | 32.0°C | 13.7°C | 2 mm | 57% | 2.8 m/s | 7.7 |
| 1996 | 26.8°C | 22.5°C | 18.2°C | 32.6°C | 14.4°C | 2 mm | 49% | 2.4 m/s | 7.6 |
| 1995 | 26.1°C | 21.5°C | 16.8°C | 32.6°C | 13.1°C | 1 mm | 53% | 2.8 m/s | 7.7 |
| 1994 | 24.7°C | 20.6°C | 16.5°C | 30.8°C | 13.0°C | 0 mm | 51% | 2.6 m/s | 7.5 |
| 1993 | 24.8°C | 20.4°C | 16.1°C | 28.7°C | 14.5°C | 0 mm | 61% | 2.6 m/s | 7.3 |
| 1992 | 26.2°C | 21.7°C | 17.2°C | 31.7°C | 13.3°C | 10 mm | 57% | 2.8 m/s | 7.1 |
| 1991 | 24.2°C | 20.2°C | 16.1°C | 29.6°C | 12.7°C | 1 mm | 58% | 2.3 m/s | 7.1 |
| 1990 | 26.9°C | 22.4°C | 17.9°C | 32.6°C | 14.5°C | 0 mm | 50% | 2.7 m/s | 7.9 |
| 1989 | 27.8°C | 22.7°C | 17.7°C | 34.9°C | 14.3°C | 1 mm | 44% | 2.9 m/s | 8 |
| 1988 | 26.8°C | 22.3°C | 17.8°C | 32.4°C | 14.4°C | 1 mm | 52% | 2.2 m/s | 6.6 |
| 1987 | 24.6°C | 19.7°C | 14.8°C | 28.9°C | 11.5°C | 1 mm | 56% | 3 m/s | 7.3 |
| 1986 | 25.2°C | 20.7°C | 16.2°C | 31.0°C | 13.6°C | 0 mm | 53% | 2.5 m/s | 7.3 |
| 1985 | 28.0°C | 23.5°C | 19.0°C | 32.4°C | 14.7°C | 1 mm | 42% | 2.7 m/s | 7 |
| 1984 | 27.4°C | 23.2°C | 19.0°C | 30.2°C | 15.8°C | 3 mm | 46% | 2.3 m/s | 6.5 |
| 1983 | 26.6°C | 21.4°C | 16.3°C | 32.3°C | 13.1°C | 0 mm | 49% | 3.3 m/s | — |
| 1982 | 25.9°C | 21.3°C | 16.6°C | 33.2°C | 12.7°C | 0 mm | 46% | 2.5 m/s | — |
| 1981 | 26.7°C | 22.3°C | 18.0°C | 32.9°C | 14.4°C | 0 mm | 43% | 2.3 m/s | — |
Actual recorded July data for each year, 1981–2025 — sourced from NASA POWER.
The average high in July is around 26°C with lows near 17.2°C (mean 21.6°C), based on 45 years of NASA POWER data.
July averages 2 mm of rainfall in Santa Barbara, one of the drier months. The wettest on record was 14 mm in 2015.
The hottest July reached 36.6°C in 2006. The coldest dipped to 11.5°C in 1987.
Comparing the earliest years on record (1981–1985) with the most recent (2021–2025), average July temperatures have fallen by about 0.7°C. Daytime highs moved from 26.9°C to 25.7°C and overnight lows from 17.8°C to 17.4°C over the same span.
July is one of the warmer months of the year in Santa Barbara and one of the drier months, so plan for around 26°C daytime highs and 17.2°C at night.
Not quite — July is the 11th coolest month in Santa Barbara, averaging 21.6°C.
For July in Santa Barbara, pack light layers you can adjust through the day, with typical highs of 26°C and lows of 17.2°C.
Relative humidity in July averages 53% — relatively dry.
Average wind speed in July is 2.6 m/s. The windiest July on record averaged 3.4 m/s (2000).
The wettest July on record was 2015 with 14 mm. On average, July 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 Barbara behaves each July, 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 July specifically, along with year-by-year records and how the month has changed over the decades.
