October is one of the warmer months of the year in Stillwater, with average highs near 23.5°C and lows around 10.4°C (mean 17°C). It is a relatively wet time of year, averaging 91 mm of rainfall and 65% relative humidity across the period.
October is one of the warmer months of the year in Stillwater. Across 45 years of records, the warmest October in Stillwater was 2024 — when the month averaged 21.8°C — while the coldest was 2009 at 12.8°C. Typical October days reach 23.5°C with nights near 10.4°C. The long-term trend is warming, about 0.5°C per decade.
October is a relatively wet time of year in Stillwater, averaging 91 mm of rainfall. The wettest October on record was 1983 with 235 mm, while the driest was 1993 at 24 mm.
Relative humidity in Stillwater during October averages 65%. The most humid October was 1986 at 82%, and the least humid was 2024 at 43%.
October receives about 3.9 kWh/m²/day of solar energy in Stillwater. The sunniest October was 2024 at 4.6 kWh/m²/day, and the cloudiest was 2002 at 2.9.
Average wind speed in Stillwater during October is 3.3 m/s. The windiest October was 2001 at 3.8 m/s, while the calmest was 1986 at 2.6 m/s.
Ranked against the other 11 months using 1981–2025 averages.
| Metric | 1980s | 1990s | 2000s | 2010s | 2020s | Change |
|---|---|---|---|---|---|---|
| Avg Temp | 16.3°C | 16.4°C | 16.5°C | 17.3°C | 18.8°C | +2.5°C |
| Avg High | 22.5°C | 23.2°C | 22.8°C | 24.0°C | 25.8°C | +3.3°C |
| Avg Low | 10.1°C | 9.7°C | 10.1°C | 10.6°C | 11.9°C | +1.8°C |
| Avg Rain | 114 mm | 80 mm | 96 mm | 82 mm | 83 mm | -31 mm |
October temperatures in Stillwater have risen by about 2.6°C between 1981–1985 and 2021–2025.
October has ranged from a record low of -6.1°C (1993) to a record high of 36.7°C (2000).
Rainfall in October is a relatively wet time of year, averaging 91 mm, with a wettest year of 235 mm.
One of the best times to visit Stillwater
October is one of the best times to visit Stillwater. Expect days averaging 23.5°C and nights around 10.4°C (mean 17°C) — warmer than Stillwater's yearly average — with higher rainfall (91 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 | 27.0°C | 20.4°C | 13.8°C | 33.7°C | 2.6°C | 115 mm | 61% | 2.9 m/s | 3.8 |
| 2024 🔥 | 29.7°C | 21.8°C | 14.0°C | 35.6°C | 4.2°C | 30 mm | 43% | 3.3 m/s | 4.6 |
| 2023 | 24.6°C | 18.1°C | 11.6°C | 34.0°C | -2.9°C | 97 mm | 60% | 3.5 m/s | 3.9 |
| 2022 | 25.8°C | 18.4°C | 11.1°C | 32.8°C | 1.8°C | 48 mm | 47% | 3 m/s | 4.2 |
| 2021 | 25.4°C | 18.9°C | 12.3°C | 35.3°C | 4.1°C | 121 mm | 63% | 3.5 m/s | 4.2 |
| 2020 | 22.1°C | 15.3°C | 8.5°C | 33.4°C | -3.4°C | 87 mm | 65% | 3.4 m/s | 3.8 |
| 2019 | 20.4°C | 13.9°C | 7.3°C | 31.9°C | -6.0°C | 108 mm | 71% | 3.7 m/s | 3.9 |
| 2018 | 21.3°C | 15.8°C | 10.4°C | 31.7°C | 0.9°C | 113 mm | 78% | 2.9 m/s | 3.3 |
| 2017 | 23.4°C | 16.8°C | 10.2°C | 31.2°C | -2.6°C | 161 mm | 66% | 3.6 m/s | 4.2 |
| 2016 | 26.9°C | 20.3°C | 13.6°C | 32.9°C | 6.0°C | 76 mm | 67% | 3.6 m/s | 4.1 |
| 2015 | 24.6°C | 18.1°C | 11.6°C | 33.8°C | 5.2°C | 56 mm | 59% | 2.7 m/s | 3.9 |
| 2014 | 25.8°C | 18.9°C | 12.1°C | 34.6°C | 2.1°C | 87 mm | 63% | 3.2 m/s | 4.1 |
| 2013 | 22.7°C | 16.4°C | 10.0°C | 32.9°C | 0.4°C | 77 mm | 67% | 3.5 m/s | 4 |
| 2012 | 23.6°C | 16.7°C | 9.9°C | 31.8°C | -0.8°C | 30 mm | 57% | 3.7 m/s | 4.1 |
| 2011 | 25.0°C | 17.7°C | 10.3°C | 31.4°C | 2.3°C | 73 mm | 54% | 3.2 m/s | 4.3 |
| 2010 | 26.0°C | 18.3°C | 10.5°C | 32.5°C | 4.1°C | 36 mm | 54% | 2.9 m/s | 4.5 |
| 2009 ❄️ | 18.4°C | 12.8°C | 7.2°C | 26.7°C | 2.4°C | 178 mm | 77% | 3.6 m/s | 3 |
| 2008 | 23.5°C | 16.4°C | 9.4°C | 29.8°C | -0.9°C | 56 mm | 65% | 3.5 m/s | 4 |
| 2007 | 22.8°C | 16.8°C | 10.8°C | 29.7°C | 3.0°C | 98 mm | 75% | 3.4 m/s | 4.3 |
| 2006 | 23.4°C | 16.6°C | 9.8°C | 34.3°C | -0.1°C | 42 mm | 59% | 3.5 m/s | 3.9 |
| 2005 | 23.8°C | 17.3°C | 10.8°C | 32.9°C | 1.2°C | 44 mm | 62% | 3.1 m/s | 3.9 |
| 2004 | 24.3°C | 18.3°C | 12.2°C | 30.7°C | 5.0°C | 135 mm | 70% | 3.1 m/s | 3.3 |
| 2003 | 24.1°C | 17.3°C | 10.4°C | 31.0°C | 4.3°C | 80 mm | 66% | 2.8 m/s | 4 |
| 2002 | 20.0°C | 14.3°C | 8.6°C | 33.4°C | 0.6°C | 99 mm | 70% | 2.7 m/s | 2.9 |
| 2001 | 23.5°C | 16.5°C | 9.4°C | 29.9°C | 2.1°C | 52 mm | 62% | 3.8 m/s | 4.4 |
| 2000 | 24.5°C | 18.6°C | 12.7°C | 36.7°C | 0.4°C | 176 mm | 65% | 3.5 m/s | 3.4 |
| 1999 | 24.8°C | 17.3°C | 9.8°C | 31.5°C | 2.0°C | 56 mm | 56% | 3.1 m/s | 4.3 |
| 1998 | 23.3°C | 17.3°C | 11.4°C | 27.4°C | 4.8°C | 231 mm | 76% | 3.4 m/s | 3.5 |
| 1997 | 23.1°C | 16.7°C | 10.4°C | 34.3°C | -3.5°C | 98 mm | 71% | 3.3 m/s | 3.6 |
| 1996 | 21.7°C | 15.6°C | 9.4°C | 28.0°C | 2.0°C | 86 mm | 70% | 3.6 m/s | 3.8 |
| 1995 | 23.9°C | 16.7°C | 9.4°C | 29.7°C | 1.7°C | 29 mm | 59% | 3.5 m/s | 4.3 |
| 1994 | 24.0°C | 17.7°C | 11.4°C | 32.4°C | 2.4°C | 69 mm | 66% | 2.9 m/s | 3.6 |
| 1993 | 20.8°C | 14.1°C | 7.3°C | 29.8°C | -6.1°C | 24 mm | 67% | 3 m/s | 3.8 |
| 1992 | 23.9°C | 16.7°C | 9.6°C | 31.0°C | 3.8°C | 44 mm | 64% | 2.8 m/s | 3.7 |
| 1991 | 23.4°C | 16.8°C | 10.2°C | 32.2°C | -2.5°C | 120 mm | 63% | 3.6 m/s | 4.1 |
| 1990 | 22.6°C | 15.4°C | 8.3°C | 30.1°C | 1.4°C | 43 mm | 64% | 3.4 m/s | 4.1 |
| 1989 | 23.3°C | 16.5°C | 9.8°C | 30.3°C | -1.9°C | 78 mm | 65% | 3.4 m/s | 4.1 |
| 1988 | 21.3°C | 15.0°C | 8.8°C | 30.2°C | 4.2°C | 43 mm | 66% | 2.8 m/s | 3.4 |
| 1987 | 22.1°C | 15.0°C | 7.9°C | 27.1°C | 2.6°C | 31 mm | 63% | 3.2 m/s | 3.9 |
| 1986 | 21.1°C | 15.6°C | 10.2°C | 28.1°C | 1.9°C | 154 mm | 82% | 2.6 m/s | 3.3 |
| 1985 | 22.0°C | 16.5°C | 11.0°C | 27.5°C | 4.4°C | 158 mm | 77% | 3.1 m/s | 3.4 |
| 1984 | 23.1°C | 17.0°C | 10.8°C | 32.9°C | 3.4°C | 137 mm | 68% | 3.3 m/s | 3.1 |
| 1983 🌧️ | 22.9°C | 17.3°C | 11.7°C | 32.5°C | 3.2°C | 235 mm | 70% | 3.1 m/s | — |
| 1982 | 24.9°C | 17.4°C | 10.0°C | 32.5°C | 2.5°C | 30 mm | 53% | 3.3 m/s | — |
| 1981 | 21.9°C | 16.3°C | 10.7°C | 33.6°C | -0.4°C | 162 mm | 72% | 3.7 m/s | — |
Actual recorded October data for each year, 1981–2025 — sourced from NASA POWER.
The average high in October is around 23.5°C with lows near 10.4°C (mean 17°C), based on 45 years of NASA POWER data.
October averages 91 mm of rainfall in Stillwater, a relatively wet time of year. The wettest on record was 235 mm in 1983.
The hottest October reached 36.7°C in 2000. The coldest dipped to -6.1°C in 1993.
Comparing the earliest years on record (1981–1985) with the most recent (2021–2025), average October temperatures have risen by about 2.6°C. Daytime highs moved from 23°C to 26.5°C and overnight lows from 10.8°C to 12.6°C over the same span.
October is one of the warmer months of the year in Stillwater and a relatively wet time of year, so plan for around 23.5°C daytime highs and 10.4°C at night.
Not quite — October is the 7th coolest month in Stillwater, averaging 17°C.
For October in Stillwater, pack light layers you can adjust through the day, with typical highs of 23.5°C and lows of 10.4°C. Bring an umbrella or light rain jacket too.
Relative humidity in October averages 65% — moderately humid.
Average wind speed in October is 3.3 m/s. The windiest October on record averaged 3.8 m/s (2001).
The wettest October on record was 1983 with 235 mm. On average, October sees 91 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 Stillwater 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.