November is one of the cooler months of the year in Decatur, with average highs near 16.6°C and lows around 4.5°C (mean 10.6°C). It is about average for rainfall, averaging 114 mm of rainfall and 77% relative humidity across the period.
November is one of the cooler months of the year in Decatur. Across 45 years of records, the warmest November in Decatur was 2024 — when the month averaged 14.5°C — while the coldest was 2014 at 6.6°C. Typical November days reach 16.6°C with nights near 4.5°C. The long-term trend is warming, about 0.2°C per decade.
November is about average for rainfall in Decatur, averaging 114 mm of rainfall. The wettest November on record was 2004 with 220 mm, while the driest was 2017 at 27 mm.
Relative humidity in Decatur during November averages 77%. The most humid November was 1985 at 87%, and the least humid was 2016 at 53%.
November receives about 2.8 kWh/m²/day of solar energy in Decatur. The sunniest Novembers were 2012, 2016 and 2021, among others at 3.3 kWh/m²/day, and the cloudiest were 1985 and 1986 at 2.1.
Average wind speed in Decatur during November is 1.1 m/s. The windiest Novembers were 1988 and 2011 at 1.3 m/s, while the calmest was 2012 at 0.9 m/s.
Ranked against the other 11 months using 1981–2025 averages.
| Metric | 1980s | 1990s | 2000s | 2010s | 2020s | Change |
|---|---|---|---|---|---|---|
| Avg Temp | 10.6°C | 9.9°C | 10.8°C | 10.1°C | 11.8°C | +1.2°C |
| Avg High | 16.4°C | 15.9°C | 16.8°C | 16.2°C | 18.2°C | +1.8°C |
| Avg Low | 4.7°C | 3.9°C | 4.7°C | 4.0°C | 5.3°C | +0.6°C |
| Avg Rain | 146 mm | 114 mm | 118 mm | 106 mm | 70 mm | -77 mm |
November temperatures in Decatur have risen by about 1.2°C between 1981–1985 and 2021–2025.
November has ranged from a record low of -8.3°C (2019) to a record high of 31.3°C (2016).
Rainfall in November is about average for rainfall, averaging 114 mm, with a wettest year of 220 mm.
A good time to visit Decatur
November is a good time to visit Decatur, with days averaging 16.6°C and nights around 4.5°C (mean 10.6°C, cooler than Decatur's yearly average) and higher rainfall. September and May are marginally more temperate, but November still suits most travellers.
| Year | Avg High | Avg Temp | Avg Low | Hottest Day | Coldest Day | Rainfall | Humidity | Wind | Solar |
|---|---|---|---|---|---|---|---|---|---|
| 2025 | 18.4°C | 11.8°C | 5.3°C | 24.9°C | -5.3°C | 57 mm | 73% | 1 m/s | 3 |
| 2024 🔥 | 20.6°C | 14.5°C | 8.4°C | 29.0°C | -4.9°C | 86 mm | 76% | 1.1 m/s | 2.8 |
| 2023 | 19.2°C | 12.3°C | 5.4°C | 27.9°C | -3.9°C | 59 mm | 62% | 1 m/s | 3.1 |
| 2022 | 17.8°C | 11.6°C | 5.3°C | 29.4°C | -4.5°C | 114 mm | 72% | 1 m/s | 3 |
| 2021 | 15.0°C | 8.6°C | 2.1°C | 21.7°C | -4.5°C | 41 mm | 77% | 1 m/s | 3.3 |
| 2020 | 18.1°C | 11.8°C | 5.6°C | 25.5°C | -2.3°C | 61 mm | 79% | 1.1 m/s | 3.1 |
| 2019 | 14.4°C | 8.0°C | 1.6°C | 20.4°C | -8.3°C | 120 mm | 80% | 1.1 m/s | 3.1 |
| 2018 | 13.0°C | 7.9°C | 2.8°C | 21.4°C | -5.5°C | 154 mm | 84% | 1.2 m/s | 2.2 |
| 2017 | 17.2°C | 11.2°C | 5.3°C | 25.4°C | -4.2°C | 27 mm | 81% | 1 m/s | 2.9 |
| 2016 | 21.4°C | 14.2°C | 7.1°C | 31.3°C | -2.0°C | 95 mm | 53% | 1 m/s | 3.3 |
| 2015 | 18.7°C | 13.4°C | 8.2°C | 27.1°C | -3.0°C | 147 mm | 81% | 1.1 m/s | 2.5 |
| 2014 ❄️ | 12.6°C | 6.6°C | 0.6°C | 21.0°C | -6.5°C | 86 mm | 76% | 1.2 m/s | 3.2 |
| 2013 | 14.5°C | 8.5°C | 2.4°C | 23.3°C | -6.8°C | 87 mm | 68% | 1.2 m/s | 2.9 |
| 2012 | 15.9°C | 8.9°C | 2.0°C | 25.4°C | -3.0°C | 42 mm | 75% | 0.9 m/s | 3.3 |
| 2011 | 17.5°C | 11.5°C | 5.4°C | 25.0°C | -3.0°C | 141 mm | 76% | 1.3 m/s | 2.6 |
| 2010 | 17.3°C | 11.0°C | 4.8°C | 24.3°C | -3.6°C | 157 mm | 76% | 1.1 m/s | 2.8 |
| 2009 | 15.6°C | 10.0°C | 4.5°C | 21.0°C | -1.0°C | 76 mm | 84% | 1 m/s | 3.1 |
| 2008 | 15.4°C | 8.9°C | 2.4°C | 24.0°C | -6.1°C | 74 mm | 72% | 1 m/s | 3 |
| 2007 | 17.0°C | 10.3°C | 3.6°C | 24.0°C | -3.1°C | 75 mm | 72% | 1.1 m/s | 3.1 |
| 2006 | 15.6°C | 9.6°C | 3.6°C | 23.7°C | -3.2°C | 102 mm | 82% | 1.1 m/s | 2.9 |
| 2005 | 18.0°C | 11.5°C | 5.1°C | 28.3°C | -4.8°C | 109 mm | 68% | 1.2 m/s | 2.9 |
| 2004 🌧️ | 17.4°C | 12.4°C | 7.5°C | 27.0°C | -0.5°C | 220 mm | 83% | 1.2 m/s | 2.5 |
| 2003 | 19.9°C | 13.2°C | 6.5°C | 29.2°C | -4.9°C | 120 mm | 72% | 1.2 m/s | 2.9 |
| 2002 | 13.8°C | 8.4°C | 3.1°C | 25.2°C | -4.7°C | 109 mm | 83% | 1.2 m/s | 2.7 |
| 2001 | 20.6°C | 13.7°C | 6.7°C | 25.7°C | -1.8°C | 95 mm | 69% | 1.1 m/s | 3.2 |
| 2000 | 15.1°C | 9.6°C | 4.0°C | 29.6°C | -5.4°C | 197 mm | 78% | 1.1 m/s | 2.4 |
| 1999 | 19.2°C | 12.6°C | 6.0°C | 26.1°C | -3.1°C | 85 mm | 71% | 1.1 m/s | 3.2 |
| 1998 | 18.7°C | 12.5°C | 6.2°C | 29.2°C | -1.1°C | 86 mm | 74% | 1 m/s | 2.6 |
| 1997 | 12.8°C | 7.6°C | 2.5°C | 19.3°C | -5.9°C | 64 mm | 84% | 1 m/s | 2.4 |
| 1996 | 13.9°C | 8.4°C | 3.0°C | 23.4°C | -4.3°C | 146 mm | 82% | 1.2 m/s | 2.5 |
| 1995 | 12.9°C | 6.8°C | 0.7°C | 24.5°C | -5.3°C | 150 mm | 83% | 1.1 m/s | 2.7 |
| 1994 | 17.9°C | 12.1°C | 6.4°C | 23.4°C | -2.5°C | 106 mm | 79% | 1.1 m/s | 2.9 |
| 1993 | 15.5°C | 9.3°C | 3.1°C | 23.4°C | -5.5°C | 89 mm | 77% | 1.1 m/s | 2.8 |
| 1992 | 14.6°C | 8.9°C | 3.3°C | 21.7°C | -4.6°C | 169 mm | 83% | 1.2 m/s | 2.5 |
| 1991 | 14.5°C | 8.5°C | 2.5°C | 24.4°C | -6.9°C | 140 mm | 72% | 1.1 m/s | 2.9 |
| 1990 | 18.9°C | 12.1°C | 5.3°C | 25.2°C | -3.1°C | 103 mm | 75% | 1.1 m/s | 3.3 |
| 1989 | 14.9°C | 9.2°C | 3.5°C | 22.8°C | -5.2°C | 141 mm | 83% | 1.1 m/s | 2.9 |
| 1988 | 16.7°C | 10.8°C | 4.8°C | 22.0°C | -3.0°C | 156 mm | 83% | 1.3 m/s | 2.7 |
| 1987 | 17.5°C | 11.0°C | 4.4°C | 26.3°C | -5.4°C | 113 mm | 71% | 1.1 m/s | 3 |
| 1986 | 16.1°C | 11.4°C | 6.7°C | 25.0°C | -6.6°C | 202 mm | 87% | 1.1 m/s | 2.1 |
| 1985 | 19.1°C | 13.9°C | 8.7°C | 23.9°C | -0.8°C | 62 mm | 87% | 1 m/s | 2.1 |
| 1984 | 14.3°C | 8.1°C | 1.9°C | 24.5°C | -5.2°C | 147 mm | 79% | 1.2 m/s | 2.5 |
| 1983 | 16.1°C | 9.6°C | 3.1°C | 25.0°C | -3.6°C | 210 mm | 76% | 1.2 m/s | — |
| 1982 | 16.2°C | 10.6°C | 4.9°C | 26.5°C | -3.8°C | 179 mm | 79% | 1.1 m/s | — |
| 1981 | 16.8°C | 10.6°C | 4.5°C | 24.0°C | -5.2°C | 108 mm | 74% | 1 m/s | — |
Actual recorded November data for each year, 1981–2025 — sourced from NASA POWER.
The average high in November is around 16.6°C with lows near 4.5°C (mean 10.6°C), based on 45 years of NASA POWER data.
November averages 114 mm of rainfall in Decatur, about average for rainfall. The wettest on record was 220 mm in 2004.
The hottest November reached 31.3°C in 2016. The coldest dipped to -8.3°C in 2019.
Comparing the earliest years on record (1981–1985) with the most recent (2021–2025), average November temperatures have risen by about 1.2°C. Daytime highs moved from 16.5°C to 18.2°C and overnight lows from 4.6°C to 5.3°C over the same span.
November is one of the cooler months of the year in Decatur and about average for rainfall, so plan for around 16.6°C daytime highs and 4.5°C at night.
Not quite — November is the 4th coolest month in Decatur, averaging 10.6°C.
For November in Decatur, pack warm layers and a jacket for chilly mornings, with typical highs of 16.6°C and lows of 4.5°C. Bring an umbrella or light rain jacket too.
Relative humidity in November averages 77% — quite humid.
Average wind speed in November is 1.1 m/s. The windiest November on record averaged 1.3 m/s (1988).
The wettest November on record was 2004 with 220 mm. On average, November sees 114 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 Decatur behaves each November, 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 November specifically, along with year-by-year records and how the month has changed over the decades.
