July is one of the warmer months of the year in Santa Maria, with average highs near 24.1°C and lows around 14.7°C (mean 19.4°C). It is one of the drier months, averaging 2 mm of rainfall and 63% relative humidity across the period.
July is one of the warmer months of the year in Santa Maria. Across 45 years of records, the warmest July in Santa Maria was 2006 — when the month averaged 21.6°C — while the coldest was 2025 at 16.9°C. Typical July days reach 24.1°C with nights near 14.7°C. The long-term trend is cooling, about 0.2°C per decade.
July is one of the drier months in Santa Maria, averaging 2 mm of rainfall. The wettest July on record was 2003 with 17 mm, while the driest were 1995, 2024 and 2025, among others at 0 mm.
Relative humidity in Santa Maria during July averages 63%. The most humid July was 2015 at 72%, and the least humid was 1985 at 50%.
July receives about 6.5 kWh/m²/day of solar energy in Santa Maria. The sunniest July was 1989 at 7.1 kWh/m²/day, and the cloudiest was 1988 at 5.4.
Average wind speed in Santa Maria during July is 2.8 m/s. The windiest July was 1983 at 3.6 m/s, while the calmest were 2014, 2024 and 2025, among others at 2.4 m/s.
Ranked against the other 11 months using 1981–2025 averages.
| Metric | 1980s | 1990s | 2000s | 2010s | 2020s | Change |
|---|---|---|---|---|---|---|
| Avg Temp | 19.9°C | 19.3°C | 19.5°C | 19.4°C | 18.9°C | -1°C |
| Avg High | 25.0°C | 24.1°C | 24.2°C | 23.9°C | 23.4°C | -1.6°C |
| Avg Low | 15.0°C | 14.5°C | 14.8°C | 14.9°C | 14.3°C | -0.7°C |
| Avg Rain | 1 mm | 2 mm | 4 mm | 3 mm | 0 mm | 0 mm |
July temperatures in Santa Maria have fallen by about 1.3°C between 1981–1985 and 2021–2025.
July has ranged from a record low of 10.7°C (1994) to a record high of 32.8°C (1989).
Rainfall in July is one of the drier months, averaging 2 mm, with a wettest year of 17 mm.
Daytime highs and overnight lows have shifted differently — highs fell about 0.3°C per decade while lows rose 0°C per decade, narrowing the gap between day and night.
One of the best times to visit Santa Maria
July is one of the best times to visit Santa Maria. Expect days averaging 24.1°C and nights around 14.7°C (mean 19.4°C) — warmer than Santa Maria'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 ❄️ | 21.1°C | 16.9°C | 12.6°C | 25.2°C | 11.4°C | 0 mm | 72% | 2.4 m/s | 6.7 |
| 2024 | 24.6°C | 19.8°C | 15.0°C | 29.1°C | 12.6°C | 0 mm | 61% | 2.4 m/s | 6.6 |
| 2023 | 24.6°C | 19.9°C | 15.2°C | 28.5°C | 11.2°C | 0 mm | 59% | 2.6 m/s | 7 |
| 2022 | 23.5°C | 18.9°C | 14.4°C | 27.2°C | 11.8°C | 1 mm | 67% | 2.8 m/s | 6.7 |
| 2021 | 23.8°C | 19.3°C | 14.8°C | 28.9°C | 12.5°C | 1 mm | 66% | 2.6 m/s | 6.6 |
| 2020 | 22.9°C | 18.4°C | 13.9°C | 27.5°C | 12.6°C | 0 mm | 68% | 2.7 m/s | 7 |
| 2019 | 23.5°C | 19.0°C | 14.5°C | 28.2°C | 11.9°C | 2 mm | 65% | 2.8 m/s | 6.5 |
| 2018 | 25.9°C | 21.3°C | 16.6°C | 30.4°C | 13.6°C | 2 mm | 60% | 2.8 m/s | 6.6 |
| 2017 | 25.1°C | 20.4°C | 15.7°C | 29.5°C | 12.4°C | 1 mm | 60% | 2.5 m/s | 6.8 |
| 2016 | 24.2°C | 19.4°C | 14.6°C | 28.8°C | 12.5°C | 3 mm | 63% | 2.6 m/s | 6.9 |
| 2015 | 24.1°C | 19.9°C | 15.8°C | 27.7°C | 14.2°C | 15 mm | 72% | 2.7 m/s | 6.8 |
| 2014 | 24.5°C | 20.4°C | 16.3°C | 28.4°C | 13.7°C | 3 mm | 67% | 2.4 m/s | 6.4 |
| 2013 | 23.3°C | 18.9°C | 14.5°C | 28.6°C | 12.6°C | 1 mm | 67% | 2.4 m/s | 6.2 |
| 2012 | 22.7°C | 18.1°C | 13.5°C | 26.7°C | 11.6°C | 1 mm | 68% | 2.6 m/s | 6.5 |
| 2011 | 23.1°C | 18.6°C | 14.1°C | 25.9°C | 11.7°C | 2 mm | 68% | 2.9 m/s | 6.5 |
| 2010 | 22.2°C | 17.7°C | 13.2°C | 27.0°C | 11.3°C | 1 mm | 70% | 2.8 m/s | 6.2 |
| 2009 | 24.2°C | 19.4°C | 14.6°C | 27.7°C | 11.6°C | 4 mm | 61% | 2.6 m/s | 6.9 |
| 2008 | 24.2°C | 19.6°C | 14.9°C | 26.7°C | 12.4°C | 3 mm | 64% | 2.8 m/s | 6.2 |
| 2007 | 24.2°C | 19.5°C | 14.8°C | 28.2°C | 12.2°C | 2 mm | 64% | 3 m/s | 6.7 |
| 2006 🔥 | 26.2°C | 21.6°C | 17.1°C | 32.0°C | 12.6°C | 3 mm | 59% | 2.5 m/s | 6.7 |
| 2005 | 24.4°C | 19.7°C | 15.1°C | 27.4°C | 12.1°C | 4 mm | 67% | 2.5 m/s | 6.2 |
| 2004 | 23.4°C | 18.8°C | 14.1°C | 26.2°C | 12.7°C | 4 mm | 69% | 2.7 m/s | 6.8 |
| 2003 🌧️ | 25.1°C | 20.4°C | 15.6°C | 28.6°C | 12.5°C | 17 mm | 60% | 2.7 m/s | 6.8 |
| 2002 | 23.4°C | 18.9°C | 14.3°C | 28.8°C | 12.2°C | 4 mm | 66% | 2.7 m/s | 6.5 |
| 2001 | 22.7°C | 18.4°C | 14.1°C | 28.8°C | 11.8°C | 2 mm | 69% | 2.8 m/s | 6.3 |
| 2000 | 23.7°C | 18.8°C | 13.9°C | 27.0°C | 11.2°C | 1 mm | 63% | 3.5 m/s | 6.6 |
| 1999 | 23.0°C | 18.4°C | 13.8°C | 29.0°C | 10.9°C | 1 mm | 65% | 3.3 m/s | 6.9 |
| 1998 | 24.4°C | 19.7°C | 15.0°C | 30.5°C | 11.3°C | 2 mm | 66% | 3 m/s | 6.4 |
| 1997 | 24.0°C | 19.2°C | 14.3°C | 27.8°C | 12.4°C | 2 mm | 67% | 2.9 m/s | 6.1 |
| 1996 | 25.0°C | 20.3°C | 15.5°C | 28.6°C | 12.4°C | 1 mm | 59% | 2.5 m/s | 6.4 |
| 1995 | 24.4°C | 19.5°C | 14.6°C | 29.1°C | 11.5°C | 0 mm | 64% | 3.1 m/s | 7 |
| 1994 | 22.8°C | 18.1°C | 13.5°C | 27.4°C | 10.7°C | 0 mm | 64% | 2.7 m/s | 5.5 |
| 1993 | 23.6°C | 18.9°C | 14.1°C | 28.4°C | 11.6°C | 0 mm | 68% | 2.9 m/s | 5.5 |
| 1992 | 25.0°C | 20.2°C | 15.4°C | 29.6°C | 12.4°C | 9 mm | 66% | 2.9 m/s | 6.3 |
| 1991 | 23.4°C | 18.7°C | 13.9°C | 28.7°C | 11.7°C | 2 mm | 66% | 2.5 m/s | 6.1 |
| 1990 | 25.2°C | 20.1°C | 15.0°C | 30.1°C | 12.0°C | 0 mm | 61% | 2.9 m/s | 6.7 |
| 1989 | 25.6°C | 20.3°C | 15.1°C | 32.8°C | 12.8°C | 1 mm | 53% | 3.2 m/s | 7.1 |
| 1988 | 25.2°C | 20.4°C | 15.6°C | 30.5°C | 11.9°C | 0 mm | 60% | 2.5 m/s | 5.4 |
| 1987 | 23.2°C | 18.1°C | 13.1°C | 26.6°C | 11.5°C | 1 mm | 65% | 3.4 m/s | 6.7 |
| 1986 | 23.9°C | 19.1°C | 14.3°C | 27.5°C | 11.7°C | 0 mm | 62% | 2.7 m/s | 6.2 |
| 1985 | 26.2°C | 21.4°C | 16.5°C | 31.7°C | 12.8°C | 1 mm | 50% | 2.8 m/s | 6.1 |
| 1984 | 26.2°C | 21.2°C | 16.3°C | 28.9°C | 13.3°C | 1 mm | 53% | 2.6 m/s | 6.1 |
| 1983 | 25.0°C | 19.7°C | 14.5°C | 31.4°C | 11.8°C | 0 mm | 60% | 3.6 m/s | — |
| 1982 | 24.1°C | 19.2°C | 14.4°C | 28.8°C | 11.2°C | 2 mm | 58% | 2.8 m/s | — |
| 1981 | 25.4°C | 20.1°C | 14.9°C | 29.5°C | 12.8°C | 0 mm | 52% | 2.5 m/s | — |
Actual recorded July data for each year, 1981–2025 — sourced from NASA POWER.
The average high in July is around 24.1°C with lows near 14.7°C (mean 19.4°C), based on 45 years of NASA POWER data.
July averages 2 mm of rainfall in Santa Maria, one of the drier months. The wettest on record was 17 mm in 2003.
The hottest July reached 32.8°C in 1989. The coldest dipped to 10.7°C in 1994.
Comparing the earliest years on record (1981–1985) with the most recent (2021–2025), average July temperatures have fallen by about 1.3°C. Daytime highs moved from 25.4°C to 23.5°C and overnight lows from 15.3°C to 14.4°C over the same span.
July is one of the warmer months of the year in Santa Maria and one of the drier months, so plan for around 24.1°C daytime highs and 14.7°C at night.
Not quite — July is the 10th coolest month in Santa Maria, averaging 19.4°C.
For July in Santa Maria, pack light layers you can adjust through the day, with typical highs of 24.1°C and lows of 14.7°C.
Relative humidity in July averages 63% — moderately humid.
Average wind speed in July is 2.8 m/s. The windiest July on record averaged 3.6 m/s (1983).
The wettest July on record was 2003 with 17 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 Maria 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.
