October is one of the cooler months of the year in Northam, with average highs near 24.8°C and lows around 9°C (mean 16.9°C). It is one of the drier months, averaging 25 mm of rainfall and 63% relative humidity across the period.
October is one of the cooler months of the year in Northam. Across 45 years of records, the warmest October in Northam was 2015 — when the month averaged 20.8°C — while the coldest was 1986 at 14.2°C. Typical October days reach 24.8°C with nights near 9°C. The long-term trend is warming, about 0.4°C per decade.
October is one of the drier months in Northam, averaging 25 mm of rainfall. The wettest October on record was 2021 with 82 mm, while the driest was 2000 at 2 mm.
Relative humidity in Northam during October averages 63%. The most humid October was 2021 at 72%, and the least humid was 2010 at 44%.
October receives about 6.6 kWh/m²/day of solar energy in Northam. The sunniest Octobers were 2010 and 2023 at 7.2 kWh/m²/day, and the cloudiest was 2011 at 5.8.
Average wind speed in Northam during October is 3.1 m/s. The windiest October was 2012 at 3.5 m/s, while the calmest was 2025 at 2.7 m/s.
Ranked against the other 11 months using 1981–2025 averages.
| Metric | 1980s | 1990s | 2000s | 2010s | 2020s | Change |
|---|---|---|---|---|---|---|
| Avg Temp | 16.3°C | 16.5°C | 16.9°C | 18.0°C | 17.0°C | +0.7°C |
| Avg High | 24.2°C | 24.3°C | 24.8°C | 26.1°C | 24.8°C | +0.6°C |
| Avg Low | 8.4°C | 8.7°C | 9.0°C | 10.0°C | 9.2°C | +0.8°C |
| Avg Rain | 20 mm | 26 mm | 21 mm | 25 mm | 34 mm | +14 mm |
October temperatures in Northam have stayed relatively stable across the record.
October has ranged from a record low of 0.7°C (1994) to a record high of 38°C (2013).
Rainfall in October is one of the drier months, averaging 25 mm, with a wettest year of 82 mm.
A good time to visit Northam
October is a good time to visit Northam, with days averaging 24.8°C and nights around 9°C (mean 16.9°C, cooler than Northam's yearly average) and low rainfall. November and March are marginally more temperate, but October still suits most travellers.
| Year | Avg High | Avg Temp | Avg Low | Hottest Day | Coldest Day | Rainfall | Humidity | Wind | Solar |
|---|---|---|---|---|---|---|---|---|---|
| 2025 | 23.5°C | 16.1°C | 8.8°C | 32.7°C | 4.5°C | 37 mm | 72% | 2.7 m/s | 6.7 |
| 2024 | 26.9°C | 18.8°C | 10.7°C | 35.8°C | 6.7°C | 35 mm | 63% | 2.9 m/s | 6.8 |
| 2023 | 28.5°C | 19.6°C | 10.6°C | 37.5°C | 6.2°C | 8 mm | 51% | 3.1 m/s | 7.2 |
| 2022 | 22.1°C | 14.9°C | 7.7°C | 31.4°C | 3.4°C | 21 mm | 69% | 3 m/s | 6.5 |
| 2021 🌧️ | 21.3°C | 14.4°C | 7.5°C | 31.3°C | 3.4°C | 82 mm | 72% | 3 m/s | 6.3 |
| 2020 | 26.3°C | 18.2°C | 10.1°C | 33.9°C | 3.8°C | 19 mm | 60% | 3.1 m/s | 6.9 |
| 2019 | 27.3°C | 18.9°C | 10.4°C | 36.4°C | 6.0°C | 22 mm | 57% | 3 m/s | 6.9 |
| 2018 | 25.1°C | 17.9°C | 10.7°C | 33.1°C | 6.7°C | 35 mm | 67% | 3.1 m/s | 5.9 |
| 2017 | 24.9°C | 17.1°C | 9.2°C | 34.1°C | 4.8°C | 18 mm | 62% | 3.4 m/s | 6.5 |
| 2016 | 23.6°C | 15.6°C | 7.6°C | 34.3°C | 4.0°C | 20 mm | 62% | 3.4 m/s | 6.9 |
| 2015 🔥 | 29.5°C | 20.8°C | 12.1°C | 36.0°C | 5.1°C | 13 mm | 54% | 3 m/s | 6.5 |
| 2014 | 26.9°C | 18.7°C | 10.4°C | 36.1°C | 4.5°C | 34 mm | 62% | 3 m/s | 6.6 |
| 2013 | 25.4°C | 17.2°C | 9.1°C | 38.0°C | 4.1°C | 26 mm | 66% | 2.8 m/s | 7 |
| 2012 | 26.8°C | 18.6°C | 10.5°C | 35.9°C | 7.6°C | 7 mm | 53% | 3.5 m/s | 6.6 |
| 2011 | 24.0°C | 17.2°C | 10.3°C | 32.2°C | 5.8°C | 68 mm | 69% | 2.9 m/s | 5.8 |
| 2010 | 27.0°C | 18.1°C | 9.2°C | 35.7°C | 4.2°C | 6 mm | 44% | 3.2 m/s | 7.2 |
| 2009 | 26.0°C | 17.8°C | 9.7°C | 34.4°C | 2.9°C | 19 mm | 64% | 3.1 m/s | 6.4 |
| 2008 | 24.8°C | 17.4°C | 10.0°C | 34.1°C | 3.3°C | 42 mm | 67% | 3.1 m/s | 6.2 |
| 2007 | 24.5°C | 16.6°C | 8.7°C | 32.3°C | 4.7°C | 32 mm | 65% | 3.2 m/s | 6.4 |
| 2006 | 27.0°C | 18.6°C | 10.1°C | 33.6°C | 5.7°C | 15 mm | 59% | 3.4 m/s | 6.5 |
| 2005 | 21.8°C | 14.6°C | 7.4°C | 29.7°C | 2.0°C | 23 mm | 70% | 3 m/s | 6.3 |
| 2004 | 25.5°C | 17.5°C | 9.6°C | 34.4°C | 5.4°C | 28 mm | 64% | 3.3 m/s | 6.6 |
| 2003 | 24.2°C | 16.5°C | 8.7°C | 31.2°C | 4.2°C | 9 mm | 65% | 3.1 m/s | 6.9 |
| 2002 | 24.3°C | 16.7°C | 9.0°C | 33.0°C | 3.7°C | 25 mm | 63% | 3.3 m/s | 6.4 |
| 2001 | 23.4°C | 15.6°C | 7.7°C | 29.6°C | 3.1°C | 21 mm | 61% | 3.2 m/s | 6.3 |
| 2000 | 26.4°C | 17.7°C | 9.1°C | 33.9°C | 5.0°C | 2 mm | 55% | 2.9 m/s | 7 |
| 1999 | 23.3°C | 15.8°C | 8.2°C | 31.2°C | 4.5°C | 50 mm | 67% | 3.2 m/s | 6.6 |
| 1998 | 24.6°C | 16.7°C | 8.8°C | 37.0°C | 4.9°C | 11 mm | 63% | 3.2 m/s | 6.7 |
| 1997 | 25.3°C | 17.5°C | 9.7°C | 32.7°C | 5.3°C | 20 mm | 58% | 3.4 m/s | 6.8 |
| 1996 | 24.8°C | 16.7°C | 8.7°C | 35.1°C | 3.5°C | 27 mm | 64% | 3 m/s | 6.7 |
| 1995 | 24.4°C | 16.8°C | 9.3°C | 31.1°C | 4.7°C | 50 mm | 65% | 3 m/s | 6.7 |
| 1994 | 25.7°C | 17.0°C | 8.4°C | 34.5°C | 0.7°C | 9 mm | 55% | 3.2 m/s | 7.1 |
| 1993 | 22.1°C | 14.5°C | 7.0°C | 30.6°C | 2.1°C | 20 mm | 66% | 3.1 m/s | 6.5 |
| 1992 | 23.6°C | 16.1°C | 8.5°C | 34.6°C | 1.6°C | 15 mm | 68% | 2.8 m/s | 6.4 |
| 1991 | 26.1°C | 18.0°C | 9.8°C | 34.4°C | 3.9°C | 21 mm | 65% | 3 m/s | 6.7 |
| 1990 | 23.5°C | 15.9°C | 8.2°C | 37.2°C | 3.3°C | 41 mm | 67% | 3.3 m/s | 6.3 |
| 1989 | 21.7°C | 14.4°C | 7.1°C | 26.8°C | 2.2°C | 35 mm | 69% | 3.1 m/s | 6.4 |
| 1988 | 23.8°C | 16.2°C | 8.6°C | 33.9°C | 3.7°C | 26 mm | 71% | 3.1 m/s | 6.4 |
| 1987 | 25.3°C | 17.2°C | 9.1°C | 33.3°C | 4.9°C | 21 mm | 60% | 3.2 m/s | 6.6 |
| 1986 ❄️ | 21.5°C | 14.2°C | 6.9°C | 29.2°C | 3.2°C | 20 mm | 66% | 2.9 m/s | 6.6 |
| 1985 | 24.4°C | 16.3°C | 8.3°C | 34.0°C | 3.5°C | 12 mm | 56% | 3.4 m/s | 6.6 |
| 1984 | 24.9°C | 16.8°C | 8.7°C | 33.4°C | 3.8°C | 13 mm | 62% | 3 m/s | 6.4 |
| 1983 | 25.7°C | 17.4°C | 9.2°C | 34.7°C | 5.5°C | 7 mm | 59% | 3 m/s | — |
| 1982 | 25.2°C | 17.3°C | 9.4°C | 34.6°C | 4.1°C | 21 mm | 59% | 3.4 m/s | — |
| 1981 | 24.9°C | 16.6°C | 8.2°C | 35.6°C | 2.6°C | 22 mm | 61% | 3.1 m/s | — |
Actual recorded October data for each year, 1981–2025 — sourced from NASA POWER.
The average high in October is around 24.8°C with lows near 9°C (mean 16.9°C), based on 45 years of NASA POWER data.
October averages 25 mm of rainfall in Northam, one of the drier months. The wettest on record was 82 mm in 2021.
The hottest October reached 38°C in 2013. The coldest dipped to 0.7°C in 1994.
Comparing the earliest years on record (1981–1985) with the most recent (2021–2025), average October temperatures have fallen by about 0.1°C — but days and nights have moved in opposite directions. Overnight lows rose from 8.8°C to 9.1°C while daytime highs eased from 25°C to 24.5°C, narrowing the gap between day and night.
October is one of the cooler months of the year in Northam and one of the drier months, so plan for around 24.8°C daytime highs and 9°C at night.
Not quite — October is the 6th coolest month in Northam, averaging 16.9°C.
For October in Northam, pack light layers you can adjust through the day, with typical highs of 24.8°C and lows of 9°C.
Relative humidity in October averages 63% — moderately humid.
Average wind speed in October is 3.1 m/s. The windiest October on record averaged 3.5 m/s (2012).
The wettest October on record was 2021 with 82 mm. On average, October sees 25 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 Northam 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.
