October is one of the warmer months of the year in Collierville, with average highs near 23.8°C and lows around 10.7°C (mean 17.3°C). It is one of the drier months, averaging 100 mm of rainfall and 69% relative humidity across the period.
October is one of the warmer months of the year in Collierville. Across 45 years of records, the warmest October in Collierville was 2016 — when the month averaged 21.4°C — while the coldest was 1988 at 13.1°C. Typical October days reach 23.8°C with nights near 10.7°C. The long-term trend is warming, about 0.4°C per decade.
October is one of the drier months in Collierville, averaging 100 mm of rainfall. The wettest October on record was 2019 with 243 mm, while the driest was 2005 at 5 mm.
Relative humidity in Collierville during October averages 69%. The most humid October was 2002 at 85%, and the least humid was 2010 at 46%.
October receives about 3.8 kWh/m²/day of solar energy in Collierville. The sunniest October was 2024 at 4.6 kWh/m²/day, and the cloudiest was 1984 at 2.7.
Average wind speed in Collierville during October is 1.4 m/s. The windiest October was 2012 at 1.7 m/s, while the calmest were 2013 and 2024 at 1.2 m/s.
Ranked against the other 11 months using 1981–2025 averages.
| Metric | 1980s | 1990s | 2000s | 2010s | 2020s | Change |
|---|---|---|---|---|---|---|
| Avg Temp | 16.7°C | 16.9°C | 17.2°C | 17.7°C | 18.2°C | +1.5°C |
| Avg High | 23.1°C | 23.7°C | 23.6°C | 24.3°C | 25.0°C | +1.9°C |
| Avg Low | 10.4°C | 10.0°C | 10.8°C | 11.2°C | 11.5°C | +1.1°C |
| Avg Rain | 106 mm | 88 mm | 123 mm | 94 mm | 80 mm | -25 mm |
October temperatures in Collierville have risen by about 0.7°C between 1981–1985 and 2021–2025.
October has ranged from a record low of -2.9°C (1981) to a record high of 37.6°C (2019).
Rainfall in October is one of the drier months, averaging 100 mm, with a wettest year of 243 mm.
One of the best times to visit Collierville
October is one of the best times to visit Collierville. Expect days averaging 23.8°C and nights around 10.7°C (mean 17.3°C) — warmer than Collierville's yearly average — with higher rainfall (100 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 | 25.1°C | 18.7°C | 12.4°C | 32.2°C | 3.6°C | 138 mm | 68% | 1.4 m/s | 4 |
| 2024 | 26.2°C | 18.8°C | 11.4°C | 30.6°C | 3.3°C | 21 mm | 66% | 1.2 m/s | 4.6 |
| 2023 | 26.2°C | 19.4°C | 12.5°C | 34.1°C | -1.4°C | 28 mm | 54% | 1.5 m/s | 3.9 |
| 2022 | 24.4°C | 16.7°C | 9.1°C | 30.7°C | -1.0°C | 82 mm | 58% | 1.5 m/s | 4.4 |
| 2021 | 25.0°C | 19.1°C | 13.1°C | 30.8°C | 6.1°C | 96 mm | 75% | 1.4 m/s | 3.8 |
| 2020 | 22.8°C | 16.7°C | 10.6°C | 28.7°C | 3.1°C | 116 mm | 76% | 1.4 m/s | 3.4 |
| 2019 🌧️ | 24.0°C | 17.6°C | 11.2°C | 37.6°C | 0.0°C | 243 mm | 71% | 1.3 m/s | 3.7 |
| 2018 | 23.2°C | 17.7°C | 12.1°C | 31.5°C | 1.8°C | 85 mm | 77% | 1.3 m/s | 3.7 |
| 2017 | 24.2°C | 17.5°C | 10.7°C | 31.8°C | -2.4°C | 85 mm | 70% | 1.4 m/s | 4 |
| 2016 🔥 | 28.4°C | 21.4°C | 14.3°C | 33.6°C | 5.9°C | 36 mm | 60% | 1.4 m/s | 4.2 |
| 2015 | 25.1°C | 18.5°C | 11.9°C | 34.1°C | 4.0°C | 64 mm | 63% | 1.6 m/s | 3.6 |
| 2014 | 23.6°C | 17.6°C | 11.6°C | 32.1°C | 2.9°C | 139 mm | 77% | 1.5 m/s | 3.7 |
| 2013 | 22.9°C | 17.2°C | 11.6°C | 30.9°C | 0.3°C | 99 mm | 76% | 1.2 m/s | 3.6 |
| 2012 | 21.0°C | 14.8°C | 8.6°C | 27.6°C | 0.0°C | 108 mm | 74% | 1.7 m/s | 4 |
| 2011 | 23.6°C | 16.2°C | 8.8°C | 30.3°C | 1.7°C | 39 mm | 63% | 1.4 m/s | 4.3 |
| 2010 | 26.6°C | 18.7°C | 10.9°C | 33.3°C | 2.2°C | 41 mm | 46% | 1.4 m/s | 4.5 |
| 2009 | 19.8°C | 14.4°C | 9.0°C | 27.7°C | 0.9°C | 226 mm | 84% | 1.6 m/s | 2.9 |
| 2008 | 23.4°C | 16.6°C | 9.9°C | 30.4°C | -0.8°C | 114 mm | 69% | 1.3 m/s | 4.2 |
| 2007 | 25.5°C | 19.2°C | 12.9°C | 33.9°C | 3.4°C | 185 mm | 71% | 1.4 m/s | 3.9 |
| 2006 | 22.5°C | 15.7°C | 8.9°C | 33.4°C | 0.6°C | 88 mm | 70% | 1.6 m/s | 3.7 |
| 2005 | 24.4°C | 17.3°C | 10.2°C | 32.4°C | 2.0°C | 5 mm | 64% | 1.4 m/s | 4.1 |
| 2004 | 25.4°C | 19.7°C | 13.9°C | 30.5°C | 3.1°C | 165 mm | 75% | 1.4 m/s | 3.1 |
| 2003 | 24.1°C | 17.4°C | 10.8°C | 29.2°C | 3.7°C | 75 mm | 70% | 1.3 m/s | 3.7 |
| 2002 | 21.3°C | 16.3°C | 11.4°C | 30.1°C | 4.4°C | 183 mm | 85% | 1.3 m/s | 3 |
| 2001 | 22.0°C | 15.1°C | 8.3°C | 28.9°C | -1.2°C | 180 mm | 71% | 1.6 m/s | 4.3 |
| 2000 | 27.5°C | 20.0°C | 12.4°C | 33.7°C | 0.5°C | 7 mm | 49% | 1.3 m/s | 4 |
| 1999 | 24.9°C | 17.3°C | 9.7°C | 31.2°C | 0.5°C | 67 mm | 58% | 1.4 m/s | 4.2 |
| 1998 | 26.1°C | 19.0°C | 11.9°C | 32.2°C | 3.1°C | 65 mm | 63% | 1.4 m/s | 4.2 |
| 1997 | 22.5°C | 15.9°C | 9.4°C | 31.1°C | 0.4°C | 91 mm | 70% | 1.4 m/s | 3.8 |
| 1996 | 22.5°C | 16.3°C | 10.1°C | 27.6°C | 2.5°C | 131 mm | 76% | 1.4 m/s | 3.5 |
| 1995 | 25.0°C | 17.6°C | 10.2°C | 31.1°C | 2.7°C | 68 mm | 59% | 1.5 m/s | 4 |
| 1994 | 23.0°C | 16.8°C | 10.6°C | 31.0°C | 1.0°C | 107 mm | 73% | 1.5 m/s | 3.1 |
| 1993 | 21.6°C | 15.4°C | 9.1°C | 30.0°C | -2.7°C | 65 mm | 74% | 1.5 m/s | 3.4 |
| 1992 | 23.8°C | 16.4°C | 9.0°C | 29.1°C | 1.9°C | 72 mm | 68% | 1.3 m/s | 3.6 |
| 1991 | 24.5°C | 18.0°C | 11.6°C | 30.6°C | 2.5°C | 92 mm | 66% | 1.5 m/s | 4 |
| 1990 | 23.3°C | 16.1°C | 8.8°C | 31.3°C | 1.0°C | 125 mm | 68% | 1.4 m/s | 4 |
| 1989 | 22.5°C | 15.9°C | 9.4°C | 29.0°C | -2.0°C | 49 mm | 76% | 1.4 m/s | 4 |
| 1988 ❄️ | 19.2°C | 13.1°C | 7.1°C | 27.3°C | 3.2°C | 109 mm | 74% | 1.4 m/s | 3.8 |
| 1987 | 22.5°C | 14.8°C | 7.0°C | 30.1°C | 0.5°C | 52 mm | 50% | 1.5 m/s | 4 |
| 1986 | 24.3°C | 18.0°C | 11.8°C | 34.2°C | 4.7°C | 111 mm | 68% | 1.3 m/s | 3.2 |
| 1985 | 24.3°C | 18.7°C | 13.1°C | 31.2°C | 4.3°C | 100 mm | 76% | 1.5 m/s | 3.4 |
| 1984 | 24.1°C | 19.1°C | 14.0°C | 28.2°C | 3.9°C | 243 mm | 81% | 1.4 m/s | 2.7 |
| 1983 | 25.1°C | 18.3°C | 11.5°C | 31.2°C | 4.4°C | 85 mm | 67% | 1.3 m/s | — |
| 1982 | 22.9°C | 16.5°C | 10.2°C | 32.6°C | 0.6°C | 96 mm | 71% | 1.3 m/s | — |
| 1981 | 22.6°C | 16.2°C | 9.9°C | 33.1°C | -2.9°C | 106 mm | 67% | 1.4 m/s | — |
Actual recorded October data for each year, 1981–2025 — sourced from NASA POWER.
The average high in October is around 23.8°C with lows near 10.7°C (mean 17.3°C), based on 45 years of NASA POWER data.
October averages 100 mm of rainfall in Collierville, one of the drier months. The wettest on record was 243 mm in 2019.
The hottest October reached 37.6°C in 2019. The coldest dipped to -2.9°C in 1981.
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 23.8°C to 25.4°C and overnight lows from 11.7°C to 11.7°C over the same span.
October is one of the warmer months of the year in Collierville and one of the drier months, so plan for around 23.8°C daytime highs and 10.7°C at night.
Not quite — October is the 7th coolest month in Collierville, averaging 17.3°C.
For October in Collierville, pack light layers you can adjust through the day, with typical highs of 23.8°C and lows of 10.7°C. Bring an umbrella or light rain jacket too.
Relative humidity in October averages 69% — moderately humid.
Average wind speed in October is 1.4 m/s. The windiest October on record averaged 1.7 m/s (2012).
The wettest October on record was 2019 with 243 mm. On average, October sees 100 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 Collierville 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.
