November is one of the cooler months of the year in Decatur, with average highs near 18°C and lows around 5.1°C (mean 11.6°C). It is about average for rainfall, averaging 97 mm of rainfall and 76% 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 1985 — when the month averaged 15.9°C — while the coldest was 1995 at 7.9°C. Typical November days reach 18°C with nights near 5.1°C. The long-term trend is warming, about 0.2°C per decade.
November is about average for rainfall in Decatur, averaging 97 mm of rainfall. The wettest November on record was 1992 with 246 mm, while the driest was 2021 at 26 mm.
Relative humidity in Decatur during November averages 76%. The most humid November was 1986 at 88%, and the least humid was 2016 at 52%.
November receives about 3 kWh/m²/day of solar energy in Decatur. The sunniest November was 2021 at 3.6 kWh/m²/day, and the cloudiest was 1986 at 2.
Average wind speed in Decatur during November is 1.3 m/s. The windiest Novembers were 2006, 2011 and 2014, among others at 1.5 m/s, while the calmest were 1985, 2012 and 2017 at 1.1 m/s.
Ranked against the other 11 months using 1981–2025 averages.
| Metric | 1980s | 1990s | 2000s | 2010s | 2020s | Change |
|---|---|---|---|---|---|---|
| Avg Temp | 11.8°C | 10.8°C | 11.8°C | 11.2°C | 12.7°C | +0.9°C |
| Avg High | 18.0°C | 17.1°C | 18.3°C | 17.7°C | 19.5°C | +1.5°C |
| Avg Low | 5.6°C | 4.5°C | 5.2°C | 4.6°C | 5.9°C | +0.3°C |
| Avg Rain | 110 mm | 102 mm | 100 mm | 93 mm | 67 mm | -42 mm |
November temperatures in Decatur have risen by about 0.8°C between 1981–1985 and 2021–2025.
November has ranged from a record low of -6.6°C (2019) to a record high of 29.9°C (2022).
Rainfall in November is about average for rainfall, averaging 97 mm, with a wettest year of 246 mm.
Daytime highs and overnight lows have shifted differently — highs rose about 0.3°C per decade while lows rose 0°C per decade, widening the gap between day and night.
A good time to visit Decatur
November is a good time to visit Decatur, with days averaging 18°C and nights around 5.1°C (mean 11.6°C, cooler than Decatur's yearly average) and higher rainfall. May and September 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 | 20.6°C | 13.2°C | 5.7°C | 27.0°C | -4.2°C | 42 mm | 68% | 1.3 m/s | 3.4 |
| 2024 | 20.9°C | 14.7°C | 8.6°C | 28.9°C | -4.2°C | 80 mm | 79% | 1.3 m/s | 2.8 |
| 2023 | 18.8°C | 12.2°C | 5.6°C | 27.7°C | -5.0°C | 49 mm | 69% | 1.3 m/s | 3.1 |
| 2022 | 18.8°C | 12.4°C | 5.9°C | 29.9°C | -4.2°C | 127 mm | 72% | 1.4 m/s | 3.1 |
| 2021 | 17.7°C | 10.2°C | 2.8°C | 25.6°C | -2.7°C | 26 mm | 69% | 1.2 m/s | 3.6 |
| 2020 | 19.9°C | 13.4°C | 7.0°C | 27.0°C | -0.3°C | 82 mm | 80% | 1.4 m/s | 3.1 |
| 2019 | 16.2°C | 9.7°C | 3.2°C | 23.1°C | -6.6°C | 80 mm | 79% | 1.2 m/s | 3.2 |
| 2018 | 14.7°C | 9.2°C | 3.6°C | 24.2°C | -5.0°C | 182 mm | 85% | 1.4 m/s | 2.5 |
| 2017 | 18.7°C | 12.3°C | 6.0°C | 26.1°C | -2.9°C | 28 mm | 80% | 1.1 m/s | 3.1 |
| 2016 | 21.7°C | 14.5°C | 7.2°C | 29.7°C | -0.4°C | 70 mm | 52% | 1.3 m/s | 3.4 |
| 2015 | 18.7°C | 13.5°C | 8.2°C | 26.2°C | -4.2°C | 206 mm | 87% | 1.3 m/s | 2.5 |
| 2014 | 15.5°C | 8.5°C | 1.5°C | 22.7°C | -6.3°C | 83 mm | 70% | 1.5 m/s | 3.3 |
| 2013 | 16.5°C | 9.7°C | 2.9°C | 23.8°C | -6.2°C | 55 mm | 68% | 1.4 m/s | 3.2 |
| 2012 | 17.7°C | 10.6°C | 3.5°C | 27.2°C | -2.7°C | 37 mm | 70% | 1.1 m/s | 3.2 |
| 2011 | 19.0°C | 12.0°C | 5.0°C | 25.5°C | -1.8°C | 82 mm | 75% | 1.5 m/s | 3 |
| 2010 | 18.4°C | 11.6°C | 4.9°C | 24.1°C | -2.4°C | 105 mm | 75% | 1.4 m/s | 2.9 |
| 2009 | 16.9°C | 11.2°C | 5.5°C | 21.7°C | -0.9°C | 146 mm | 86% | 1.2 m/s | 3.1 |
| 2008 | 16.7°C | 9.7°C | 2.8°C | 23.9°C | -6.3°C | 82 mm | 72% | 1.3 m/s | 3.3 |
| 2007 | 18.9°C | 11.4°C | 4.0°C | 25.4°C | -2.0°C | 38 mm | 65% | 1.3 m/s | 3.4 |
| 2006 | 17.8°C | 11.1°C | 4.5°C | 24.8°C | -2.0°C | 102 mm | 79% | 1.5 m/s | 3.1 |
| 2005 | 19.5°C | 12.5°C | 5.4°C | 28.6°C | -3.9°C | 74 mm | 67% | 1.5 m/s | 3.1 |
| 2004 | 18.1°C | 12.7°C | 7.3°C | 26.5°C | -1.2°C | 162 mm | 84% | 1.3 m/s | 2.7 |
| 2003 | 20.9°C | 13.8°C | 6.8°C | 27.9°C | -4.4°C | 103 mm | 73% | 1.4 m/s | 3.1 |
| 2002 | 15.3°C | 9.4°C | 3.5°C | 25.1°C | -4.6°C | 131 mm | 84% | 1.4 m/s | 2.8 |
| 2001 | 22.9°C | 15.3°C | 7.7°C | 27.7°C | 1.1°C | 32 mm | 62% | 1.2 m/s | 3.4 |
| 2000 | 16.2°C | 10.4°C | 4.5°C | 28.8°C | -5.6°C | 134 mm | 78% | 1.3 m/s | 2.4 |
| 1999 | 20.3°C | 13.2°C | 6.1°C | 25.6°C | -2.4°C | 77 mm | 72% | 1.2 m/s | 3.2 |
| 1998 | 20.2°C | 13.6°C | 7.1°C | 27.7°C | 0.5°C | 60 mm | 74% | 1.2 m/s | 2.8 |
| 1997 | 14.1°C | 8.8°C | 3.5°C | 20.2°C | -5.7°C | 114 mm | 84% | 1.3 m/s | 2.7 |
| 1996 | 15.9°C | 9.6°C | 3.2°C | 25.1°C | -3.9°C | 105 mm | 76% | 1.5 m/s | 2.7 |
| 1995 ❄️ | 14.1°C | 7.9°C | 1.8°C | 24.3°C | -4.2°C | 135 mm | 83% | 1.3 m/s | 2.8 |
| 1994 | 17.7°C | 12.0°C | 6.3°C | 23.7°C | -1.9°C | 75 mm | 83% | 1.3 m/s | 3.1 |
| 1993 | 16.1°C | 9.9°C | 3.7°C | 25.1°C | -3.4°C | 98 mm | 81% | 1.2 m/s | 3.1 |
| 1992 🌧️ | 15.8°C | 10.1°C | 4.5°C | 23.7°C | -3.1°C | 246 mm | 86% | 1.5 m/s | 2.6 |
| 1991 | 16.8°C | 10.3°C | 3.9°C | 24.7°C | -4.6°C | 74 mm | 70% | 1.3 m/s | 3.1 |
| 1990 | 19.8°C | 12.4°C | 5.0°C | 24.2°C | -3.2°C | 40 mm | 77% | 1.2 m/s | 3.4 |
| 1989 | 16.0°C | 10.1°C | 4.2°C | 23.3°C | -5.0°C | 84 mm | 83% | 1.3 m/s | 3 |
| 1988 | 17.8°C | 11.5°C | 5.3°C | 23.3°C | -3.1°C | 92 mm | 83% | 1.4 m/s | 2.7 |
| 1987 | 19.3°C | 12.4°C | 5.4°C | 26.0°C | -4.4°C | 76 mm | 68% | 1.4 m/s | 3.1 |
| 1986 | 18.5°C | 13.6°C | 8.8°C | 26.6°C | -3.6°C | 181 mm | 88% | 1.3 m/s | 2 |
| 1985 🔥 | 21.1°C | 15.9°C | 10.7°C | 25.1°C | 0.1°C | 116 mm | 87% | 1.1 m/s | 2.2 |
| 1984 | 17.6°C | 10.1°C | 2.6°C | 27.2°C | -4.4°C | 62 mm | 67% | 1.4 m/s | 2.8 |
| 1983 | 16.9°C | 10.0°C | 3.2°C | 25.1°C | -2.5°C | 187 mm | 77% | 1.4 m/s | — |
| 1982 | 16.8°C | 11.2°C | 5.6°C | 26.2°C | -3.5°C | 141 mm | 83% | 1.3 m/s | — |
| 1981 | 17.8°C | 11.2°C | 4.5°C | 23.9°C | -3.7°C | 49 mm | 71% | 1.3 m/s | — |
Actual recorded November data for each year, 1981–2025 — sourced from NASA POWER.
The average high in November is around 18°C with lows near 5.1°C (mean 11.6°C), based on 45 years of NASA POWER data.
November averages 97 mm of rainfall in Decatur, about average for rainfall. The wettest on record was 246 mm in 1992.
The hottest November reached 29.9°C in 2022. The coldest dipped to -6.6°C in 2019.
Comparing the earliest years on record (1981–1985) with the most recent (2021–2025), average November temperatures have risen by about 0.8°C. Daytime highs moved from 18°C to 19.4°C and overnight lows from 5.3°C to 5.7°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 18°C daytime highs and 5.1°C at night.
Not quite — November is the 4th coolest month in Decatur, averaging 11.6°C.
For November in Decatur, pack warm layers and a jacket for chilly mornings, with typical highs of 18°C and lows of 5.1°C. Bring an umbrella or light rain jacket too.
Relative humidity in November averages 76% — quite humid.
Average wind speed in November is 1.3 m/s. The windiest November on record averaged 1.5 m/s (1992).
The wettest November on record was 1992 with 246 mm. On average, November sees 97 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.
