October is close to Delta's year-round average, with average highs near 13°C and lows around 8.7°C (mean 10.9°C). It is a relatively wet time of year, averaging 139 mm of rainfall and 83% relative humidity across the period.
October is close to Delta's year-round average. Across 45 years of records, the warmest October in Delta was 2022 — when the month averaged 13.4°C — while the coldest was 1984 at 9.2°C. Typical October days reach 13°C with nights near 8.7°C. The long-term October temperature trend is broadly flat.
October is a relatively wet time of year in Delta, averaging 139 mm of rainfall. The wettest October on record was 2003 with 310 mm, while the driest was 2002 at 22 mm.
Relative humidity in Delta during October averages 83%. The most humid October was 2024 at 92%, and the least humid was 1987 at 74%.
October receives about 2 kWh/m²/day of solar energy in Delta. The sunniest Octobers were 2006, 2013 and 2022, among others at 2.5 kWh/m²/day, and the cloudiest was 2016 at 1.5.
Average wind speed in Delta during October is 1.7 m/s. The windiest October was 2025 at 2.3 m/s, while the calmest were 1986 and 1987 at 1 m/s.
Ranked against the other 11 months using 1981–2025 averages.
| Metric | 1980s | 1990s | 2000s | 2010s | 2020s | Change |
|---|---|---|---|---|---|---|
| Avg Temp | 10.9°C | 10.7°C | 10.8°C | 11.2°C | 10.9°C | 0°C |
| Avg High | 13.2°C | 12.9°C | 12.9°C | 13.2°C | 12.9°C | -0.3°C |
| Avg Low | 8.5°C | 8.5°C | 8.6°C | 9.1°C | 9.0°C | +0.5°C |
| Avg Rain | 132 mm | 135 mm | 140 mm | 141 mm | 156 mm | +24 mm |
October temperatures in Delta have risen by about 0.8°C between 1981–1985 and 2021–2025.
October has ranged from a record low of -4.1°C (1984) to a record high of 22.5°C (1987).
Rainfall in October is a relatively wet time of year, averaging 139 mm, with a wettest year of 310 mm.
Daytime highs and overnight lows have shifted differently — highs rose about 0°C per decade while lows rose 0.2°C per decade, narrowing the gap between day and night.
A good time to visit Delta
October is a good time to visit Delta, with days averaging 13°C and nights around 8.7°C (mean 10.9°C, close to Delta's yearly average) and higher rainfall. August and July 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 | 11.4°C | 9.6°C | 7.9°C | 15.0°C | 4.5°C | 156 mm | 89% | 2.3 m/s | 1.8 |
| 2024 | 11.3°C | 9.7°C | 8.2°C | 13.8°C | 5.7°C | 231 mm | 92% | 2 m/s | 1.8 |
| 2023 | 13.7°C | 11.6°C | 9.4°C | 20.3°C | 4.0°C | 122 mm | 83% | 1.5 m/s | 2.3 |
| 2022 🔥 | 15.9°C | 13.4°C | 10.9°C | 21.1°C | 6.4°C | 121 mm | 83% | 1.3 m/s | 2.5 |
| 2021 | 11.9°C | 10.3°C | 8.6°C | 14.8°C | 3.7°C | 184 mm | 86% | 2 m/s | 1.7 |
| 2020 | 13.2°C | 11.1°C | 9.0°C | 20.2°C | 0.9°C | 120 mm | 84% | 1.7 m/s | 1.9 |
| 2019 | 11.6°C | 9.7°C | 7.8°C | 15.0°C | 2.8°C | 130 mm | 80% | 1.8 m/s | 2.1 |
| 2018 | 13.4°C | 11.2°C | 9.0°C | 16.6°C | 6.3°C | 114 mm | 83% | 1.5 m/s | 2.4 |
| 2017 | 13.2°C | 10.9°C | 8.5°C | 19.7°C | 6.4°C | 151 mm | 82% | 1.7 m/s | 2.3 |
| 2016 | 12.9°C | 11.2°C | 9.5°C | 16.0°C | 6.9°C | 247 mm | 87% | 2.2 m/s | 1.5 |
| 2015 | 15.0°C | 12.8°C | 10.6°C | 17.8°C | 7.4°C | 109 mm | 85% | 1.4 m/s | 2 |
| 2014 | 14.9°C | 13.1°C | 11.2°C | 20.7°C | 7.9°C | 198 mm | 88% | 1.6 m/s | 1.6 |
| 2013 | 12.6°C | 10.4°C | 8.2°C | 16.5°C | 5.1°C | 39 mm | 83% | 1.3 m/s | 2.5 |
| 2012 | 12.5°C | 10.5°C | 8.6°C | 17.9°C | 4.7°C | 222 mm | 85% | 1.7 m/s | 1.9 |
| 2011 | 12.5°C | 10.5°C | 8.5°C | 15.2°C | 5.9°C | 97 mm | 86% | 1.5 m/s | 1.9 |
| 2010 | 13.4°C | 11.4°C | 9.4°C | 19.3°C | 6.7°C | 98 mm | 85% | 1.7 m/s | 2.1 |
| 2009 | 12.4°C | 10.3°C | 8.1°C | 16.2°C | 4.5°C | 162 mm | 81% | 1.8 m/s | 2.1 |
| 2008 | 12.3°C | 10.2°C | 8.0°C | 18.2°C | 4.7°C | 99 mm | 84% | 1.6 m/s | 1.9 |
| 2007 | 11.8°C | 9.9°C | 8.0°C | 17.9°C | 4.7°C | 145 mm | 87% | 1.8 m/s | 1.7 |
| 2006 | 13.2°C | 11.0°C | 8.8°C | 18.4°C | 2.0°C | 67 mm | 79% | 1.4 m/s | 2.5 |
| 2005 | 13.1°C | 11.2°C | 9.2°C | 16.0°C | 6.3°C | 170 mm | 88% | 1.7 m/s | 1.6 |
| 2004 | 13.5°C | 11.5°C | 9.6°C | 19.6°C | 5.1°C | 127 mm | 84% | 1.6 m/s | 2 |
| 2003 🌧️ | 13.7°C | 11.7°C | 9.7°C | 19.6°C | 2.1°C | 310 mm | 85% | 1.9 m/s | 1.8 |
| 2002 | 13.3°C | 10.8°C | 8.4°C | 19.2°C | 3.7°C | 22 mm | 79% | 1.1 m/s | 2.4 |
| 2001 | 12.2°C | 10.0°C | 7.9°C | 16.9°C | 4.9°C | 166 mm | 84% | 2 m/s | 2 |
| 2000 | 13.1°C | 10.9°C | 8.7°C | 17.5°C | 6.3°C | 134 mm | 83% | 1.7 m/s | 2 |
| 1999 | 13.0°C | 10.5°C | 8.0°C | 19.2°C | 5.6°C | 149 mm | 81% | 1.8 m/s | 2.3 |
| 1998 | 13.1°C | 11.0°C | 8.9°C | 18.2°C | 5.5°C | 128 mm | 86% | 1.8 m/s | 1.8 |
| 1997 | 12.5°C | 10.7°C | 8.9°C | 17.1°C | 5.3°C | 213 mm | 87% | 1.9 m/s | 1.9 |
| 1996 | 12.1°C | 9.8°C | 7.5°C | 19.0°C | 2.4°C | 202 mm | 84% | 2 m/s | 1.8 |
| 1995 | 12.4°C | 10.4°C | 8.3°C | 15.1°C | 3.3°C | 161 mm | 85% | 2 m/s | 2.1 |
| 1994 | 13.2°C | 10.9°C | 8.6°C | 18.0°C | 4.4°C | 117 mm | 81% | 1.7 m/s | 2.2 |
| 1993 | 14.8°C | 12.3°C | 9.8°C | 21.6°C | 7.3°C | 76 mm | 80% | 1.1 m/s | 2.3 |
| 1992 | 13.3°C | 11.2°C | 9.1°C | 21.0°C | 3.9°C | 97 mm | 83% | 1.7 m/s | 1.8 |
| 1991 | 12.5°C | 10.2°C | 7.9°C | 20.0°C | 0.8°C | 32 mm | 76% | 1.6 m/s | 2.5 |
| 1990 | 11.7°C | 9.6°C | 7.5°C | 15.0°C | 5.0°C | 178 mm | 85% | 2.1 m/s | 1.9 |
| 1989 | 13.1°C | 10.8°C | 8.5°C | 17.6°C | 3.1°C | 117 mm | 82% | 1.5 m/s | 2 |
| 1988 | 14.6°C | 12.1°C | 9.7°C | 21.8°C | 4.3°C | 105 mm | 83% | 1.2 m/s | 2 |
| 1987 | 15.4°C | 12.4°C | 9.4°C | 22.5°C | 6.5°C | 25 mm | 74% | 1 m/s | 2.5 |
| 1986 | 14.2°C | 11.8°C | 9.4°C | 16.6°C | 8.0°C | 66 mm | 80% | 1 m/s | 2.3 |
| 1985 | 11.7°C | 9.7°C | 7.6°C | 16.2°C | 1.3°C | 229 mm | 83% | 2.1 m/s | 1.8 |
| 1984 ❄️ | 11.3°C | 9.2°C | 7.1°C | 17.0°C | -4.1°C | 177 mm | 81% | 2 m/s | 1.9 |
| 1983 | 12.5°C | 10.4°C | 8.2°C | 14.9°C | 6.6°C | 93 mm | 82% | 1.3 m/s | — |
| 1982 | 13.1°C | 10.9°C | 8.7°C | 18.9°C | 3.6°C | 148 mm | 82% | 2 m/s | — |
| 1981 | 12.8°C | 10.5°C | 8.3°C | 17.1°C | 5.9°C | 224 mm | 84% | 1.8 m/s | — |
Actual recorded October data for each year, 1981–2025 — sourced from NASA POWER.
The average high in October is around 13°C with lows near 8.7°C (mean 10.9°C), based on 45 years of NASA POWER data.
October averages 139 mm of rainfall in Delta, a relatively wet time of year. The wettest on record was 310 mm in 2003.
The hottest October reached 22.5°C in 1987. The coldest dipped to -4.1°C in 1984.
Comparing the earliest years on record (1981–1985) with the most recent (2021–2025), average October temperatures have risen by about 0.8°C. Daytime highs moved from 12.3°C to 12.8°C and overnight lows from 8°C to 9°C over the same span.
October is close to Delta's year-round average and a relatively wet time of year, so plan for around 13°C daytime highs and 8.7°C at night.
Not quite — October is the 7th coolest month in Delta, averaging 10.9°C.
For October in Delta, pack light layers you can adjust through the day, with typical highs of 13°C and lows of 8.7°C. Bring an umbrella or light rain jacket too.
Relative humidity in October averages 83% — quite humid.
Average wind speed in October is 1.7 m/s. The windiest October on record averaged 2.3 m/s (2025).
The wettest October on record was 2003 with 310 mm. On average, October sees 139 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 Delta 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.
