October is one of the warmer months of the year in Santa Maria, with average highs near 22.4°C and lows around 13.8°C (mean 18.1°C). It is one of the drier months, averaging 19 mm of rainfall and 65% relative humidity across the period.
October is one of the warmer months of the year in Santa Maria. Across 45 years of records, the warmest October in Santa Maria was 2015 — when the month averaged 20.6°C — while the coldest was 2002 at 16.3°C. Typical October days reach 22.4°C with nights near 13.8°C. The long-term trend is warming, about 0.2°C per decade.
October is one of the drier months in Santa Maria, averaging 19 mm of rainfall. The wettest October on record was 2004 with 99 mm, while the driest were 1990, 2022 and 2024 at 0 mm.
Relative humidity in Santa Maria during October averages 65%. The most humid October was 2025 at 76%, and the least humid was 2008 at 54%.
October receives about 4.3 kWh/m²/day of solar energy in Santa Maria. The sunniest October was 2019 at 5 kWh/m²/day, and the cloudiest was 1988 at 3.2.
Average wind speed in Santa Maria during October is 2.7 m/s. The windiest October was 1984 at 3.7 m/s, while the calmest were 1987 and 2020 at 2.2 m/s.
Ranked against the other 11 months using 1981–2025 averages.
| Metric | 1980s | 1990s | 2000s | 2010s | 2020s | Change |
|---|---|---|---|---|---|---|
| Avg Temp | 17.9°C | 18.3°C | 17.3°C | 18.5°C | 18.6°C | +0.7°C |
| Avg High | 22.3°C | 22.8°C | 21.4°C | 22.7°C | 22.8°C | +0.5°C |
| Avg Low | 13.4°C | 13.9°C | 13.1°C | 14.3°C | 14.4°C | +1°C |
| Avg Rain | 19 mm | 12 mm | 30 mm | 18 mm | 14 mm | -5 mm |
October temperatures in Santa Maria have risen by about 0.7°C between 1981–1985 and 2021–2025.
October has ranged from a record low of 7.4°C (2009) to a record high of 35.2°C (1987).
Rainfall in October is one of the drier months, averaging 19 mm, with a wettest year of 99 mm.
One of the best times to visit Santa Maria
October is one of the best times to visit Santa Maria. Expect days averaging 22.4°C and nights around 13.8°C (mean 18.1°C) — warmer than Santa Maria's yearly average — with low rainfall (19 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 | 21.8°C | 17.7°C | 13.6°C | 27.6°C | 10.6°C | 34 mm | 76% | 2.9 m/s | 4.7 |
| 2024 | 24.0°C | 19.6°C | 15.3°C | 31.6°C | 10.2°C | 0 mm | 61% | 2.4 m/s | 4.1 |
| 2023 | 23.3°C | 18.9°C | 14.5°C | 31.4°C | 10.8°C | 2 mm | 66% | 2.5 m/s | 4.7 |
| 2022 | 22.6°C | 18.3°C | 13.9°C | 29.8°C | 10.4°C | 0 mm | 68% | 2.3 m/s | 4 |
| 2021 | 20.7°C | 16.7°C | 12.8°C | 27.0°C | 9.7°C | 46 mm | 69% | 2.9 m/s | 4.5 |
| 2020 | 24.7°C | 20.4°C | 16.1°C | 32.0°C | 12.4°C | 2 mm | 59% | 2.2 m/s | 4 |
| 2019 | 22.7°C | 18.0°C | 13.2°C | 29.1°C | 10.1°C | 2 mm | 54% | 2.7 m/s | 5 |
| 2018 | 22.9°C | 18.8°C | 14.6°C | 28.5°C | 12.1°C | 13 mm | 65% | 2.5 m/s | 4.6 |
| 2017 | 23.6°C | 19.0°C | 14.4°C | 32.5°C | 10.9°C | 2 mm | 56% | 2.8 m/s | 4.7 |
| 2016 | 21.6°C | 17.7°C | 13.8°C | 27.9°C | 11.5°C | 44 mm | 71% | 2.8 m/s | 4.4 |
| 2015 🔥 | 24.5°C | 20.6°C | 16.7°C | 30.2°C | 12.9°C | 8 mm | 69% | 2.7 m/s | 4.4 |
| 2014 | 24.5°C | 20.2°C | 15.8°C | 32.4°C | 11.6°C | 23 mm | 62% | 2.8 m/s | 4.6 |
| 2013 | 21.4°C | 16.9°C | 12.5°C | 26.9°C | 10.0°C | 7 mm | 63% | 2.7 m/s | 4.4 |
| 2012 | 22.6°C | 18.5°C | 14.3°C | 33.7°C | 10.1°C | 12 mm | 68% | 2.9 m/s | 4.4 |
| 2011 | 22.2°C | 18.0°C | 13.7°C | 29.7°C | 10.4°C | 25 mm | 68% | 2.7 m/s | 4.2 |
| 2010 | 21.0°C | 17.3°C | 13.6°C | 27.3°C | 9.8°C | 42 mm | 73% | 2.4 m/s | 3.7 |
| 2009 | 20.9°C | 16.7°C | 12.4°C | 27.4°C | 7.4°C | 70 mm | 69% | 3.4 m/s | 4.6 |
| 2008 | 23.6°C | 18.8°C | 14.0°C | 28.8°C | 8.1°C | 12 mm | 54% | 2.9 m/s | 4.7 |
| 2007 | 21.3°C | 16.9°C | 12.6°C | 29.9°C | 9.0°C | 21 mm | 67% | 2.9 m/s | 4.7 |
| 2006 | 21.2°C | 17.2°C | 13.1°C | 27.0°C | 10.4°C | 11 mm | 67% | 2.6 m/s | 4.4 |
| 2005 | 21.0°C | 16.7°C | 12.3°C | 28.5°C | 10.4°C | 15 mm | 68% | 2.7 m/s | 4.3 |
| 2004 🌧️ | 20.4°C | 16.7°C | 12.9°C | 27.6°C | 9.8°C | 99 mm | 73% | 3.1 m/s | 4 |
| 2003 | 23.8°C | 19.2°C | 14.6°C | 29.9°C | 9.9°C | 13 mm | 59% | 2.6 m/s | 4.1 |
| 2002 ❄️ | 20.1°C | 16.3°C | 12.4°C | 30.4°C | 9.7°C | 1 mm | 73% | 2.5 m/s | 3.7 |
| 2001 | 21.8°C | 17.8°C | 13.7°C | 26.6°C | 10.6°C | 14 mm | 70% | 2.3 m/s | 3.6 |
| 2000 | 20.0°C | 16.4°C | 12.7°C | 24.7°C | 10.0°C | 47 mm | 75% | 3 m/s | 3.8 |
| 1999 | 24.2°C | 19.2°C | 14.1°C | 31.3°C | 11.4°C | 1 mm | 59% | 2.6 m/s | 4.3 |
| 1998 | 21.2°C | 16.7°C | 12.3°C | 27.0°C | 10.0°C | 7 mm | 66% | 3.3 m/s | 4.6 |
| 1997 | 23.1°C | 18.6°C | 14.0°C | 30.3°C | 11.1°C | 3 mm | 61% | 3.4 m/s | 4.7 |
| 1996 | 21.9°C | 17.3°C | 12.8°C | 31.8°C | 7.7°C | 51 mm | 61% | 3.3 m/s | 4.5 |
| 1995 | 23.2°C | 18.6°C | 14.1°C | 29.1°C | 10.6°C | 5 mm | 61% | 2.3 m/s | 4.2 |
| 1994 | 21.5°C | 17.1°C | 12.7°C | 27.5°C | 8.3°C | 14 mm | 66% | 3 m/s | 4.5 |
| 1993 | 22.7°C | 18.5°C | 14.3°C | 29.0°C | 11.4°C | 6 mm | 65% | 2.4 m/s | 4.2 |
| 1992 | 23.0°C | 18.9°C | 14.8°C | 27.9°C | 11.6°C | 25 mm | 69% | 2.6 m/s | 3.9 |
| 1991 | 23.6°C | 19.2°C | 14.9°C | 30.5°C | 8.4°C | 12 mm | 60% | 2.5 m/s | 3.5 |
| 1990 | 23.9°C | 19.2°C | 14.5°C | 28.7°C | 10.8°C | 0 mm | 56% | 2.7 m/s | 4.5 |
| 1989 | 21.8°C | 17.4°C | 13.0°C | 28.8°C | 9.0°C | 15 mm | 65% | 3.1 m/s | 4.3 |
| 1988 | 22.9°C | 18.4°C | 13.9°C | 29.1°C | 11.3°C | 2 mm | 63% | 2.3 m/s | 3.2 |
| 1987 | 23.5°C | 19.5°C | 15.4°C | 35.2°C | 12.6°C | 41 mm | 67% | 2.2 m/s | 3.6 |
| 1986 | 22.7°C | 18.0°C | 13.4°C | 27.9°C | 10.4°C | 7 mm | 62% | 2.6 m/s | 4.1 |
| 1985 | 22.1°C | 17.4°C | 12.7°C | 28.7°C | 8.7°C | 12 mm | 59% | 3 m/s | 4.3 |
| 1984 | 21.0°C | 16.6°C | 12.2°C | 26.9°C | 8.7°C | 18 mm | 66% | 3.7 m/s | 4.2 |
| 1983 | 23.4°C | 19.1°C | 14.8°C | 27.8°C | 12.2°C | 19 mm | 68% | 2.7 m/s | — |
| 1982 | 22.4°C | 17.9°C | 13.5°C | 26.9°C | 10.0°C | 37 mm | 59% | 2.7 m/s | — |
| 1981 | 20.9°C | 16.5°C | 12.0°C | 26.9°C | 9.2°C | 25 mm | 62% | 2.9 m/s | — |
Actual recorded October data for each year, 1981–2025 — sourced from NASA POWER.
The average high in October is around 22.4°C with lows near 13.8°C (mean 18.1°C), based on 45 years of NASA POWER data.
October averages 19 mm of rainfall in Santa Maria, one of the drier months. The wettest on record was 99 mm in 2004.
The hottest October reached 35.2°C in 1987. The coldest dipped to 7.4°C in 2009.
Comparing the earliest years on record (1981–1985) with the most recent (2021–2025), average October temperatures have risen by about 0.7°C. Daytime highs moved from 22°C to 22.5°C and overnight lows from 13°C to 14°C over the same span.
October is one of the warmer months of the year in Santa Maria and one of the drier months, so plan for around 22.4°C daytime highs and 13.8°C at night.
Not quite — October is the 9th coolest month in Santa Maria, averaging 18.1°C.
For October in Santa Maria, pack light layers you can adjust through the day, with typical highs of 22.4°C and lows of 13.8°C.
Relative humidity in October averages 65% — moderately humid.
Average wind speed in October is 2.7 m/s. The windiest October on record averaged 3.7 m/s (1984).
The wettest October on record was 2004 with 99 mm. On average, October sees 19 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 October, 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 October specifically, along with year-by-year records and how the month has changed over the decades.
