October is one of the warmer months of the year in Grand Falls, with average highs near 9.9°C and lows around 1.7°C (mean 5.8°C). It is about average for rainfall, averaging 96 mm of rainfall and 88% relative humidity across the period.
October is one of the warmer months of the year in Grand Falls. Across 45 years of records, the warmest October in Grand Falls was 2003 — when the month averaged 9.2°C — while the coldest was 1986 at 3°C. Typical October days reach 9.9°C with nights near 1.7°C. The long-term trend is warming, about 0.6°C per decade.
October is about average for rainfall in Grand Falls, averaging 96 mm of rainfall. The wettest October on record was 2000 with 235 mm, while the driest was 1983 at 37 mm.
Relative humidity in Grand Falls during October averages 88%. The most humid October was 2011 at 93%, and the least humid was 1987 at 83%.
October receives about 2.1 kWh/m²/day of solar energy in Grand Falls. The sunniest October was 2022 at 2.7 kWh/m²/day, and the cloudiest was 1992 at 1.5.
Average wind speed in Grand Falls during October is 0.1 m/s. The windiest October was 2014 at 0.2 m/s, while the calmest were 2023, 2024 and 2025, among others at 0.1 m/s.
Ranked against the other 11 months using 1981–2025 averages.
| Metric | 1980s | 1990s | 2000s | 2010s | 2020s | Change |
|---|---|---|---|---|---|---|
| Avg Temp | 4.7°C | 5.3°C | 6.0°C | 6.4°C | 7.2°C | +2.5°C |
| Avg High | 9.0°C | 9.2°C | 10.0°C | 10.5°C | 11.5°C | +2.5°C |
| Avg Low | 0.3°C | 1.4°C | 2.1°C | 2.2°C | 3.0°C | +2.7°C |
| Avg Rain | 75 mm | 96 mm | 117 mm | 99 mm | 84 mm | +9 mm |
October temperatures in Grand Falls have risen by about 3°C between 1981–1985 and 2021–2025.
October has ranged from a record low of -9.2°C (1999) to a record high of 23.8°C (2013).
Rainfall in October is about average for rainfall, averaging 96 mm, with a wettest year of 235 mm.
A good time to visit Grand Falls
October is a good time to visit Grand Falls, with days averaging 9.9°C and nights around 1.7°C (mean 5.8°C, warmer than Grand Falls's yearly average) and higher rainfall. July and August 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 | 11.5°C | 7.4°C | 3.2°C | 22.4°C | -1.0°C | 68 mm | 91% | 0.1 m/s | 2.3 |
| 2024 | 10.4°C | 6.5°C | 2.7°C | 16.8°C | -3.2°C | 105 mm | 89% | 0.1 m/s | 2.2 |
| 2023 | 12.1°C | 8.0°C | 3.9°C | 22.2°C | -3.5°C | 120 mm | 90% | 0.1 m/s | 2 |
| 2022 | 13.6°C | 8.8°C | 3.9°C | 17.7°C | -0.8°C | 63 mm | 87% | 0.1 m/s | 2.7 |
| 2021 | 9.9°C | 6.1°C | 2.4°C | 16.9°C | -3.1°C | 93 mm | 91% | 0.1 m/s | 2.1 |
| 2020 | 11.3°C | 6.6°C | 2.0°C | 20.7°C | -5.2°C | 54 mm | 84% | 0.1 m/s | 2.3 |
| 2019 | 10.0°C | 5.8°C | 1.7°C | 17.1°C | -3.0°C | 57 mm | 89% | 0.1 m/s | 2.3 |
| 2018 | 8.0°C | 3.9°C | -0.2°C | 15.4°C | -4.2°C | 162 mm | 89% | 0.1 m/s | 2 |
| 2017 | 12.2°C | 7.5°C | 2.7°C | 20.0°C | -5.0°C | 47 mm | 88% | 0.1 m/s | 2.2 |
| 2016 | 10.1°C | 5.7°C | 1.3°C | 17.6°C | -4.1°C | 162 mm | 89% | 0.1 m/s | 2.3 |
| 2015 | 10.6°C | 6.0°C | 1.4°C | 20.4°C | -5.1°C | 78 mm | 86% | 0.1 m/s | 2.1 |
| 2014 | 12.0°C | 7.6°C | 3.3°C | 20.0°C | -2.4°C | 92 mm | 90% | 0.2 m/s | 2.2 |
| 2013 | 9.6°C | 5.8°C | 1.9°C | 23.8°C | -5.2°C | 93 mm | 89% | 0.1 m/s | 2.2 |
| 2012 | 11.5°C | 7.9°C | 4.3°C | 17.5°C | 0.2°C | 81 mm | 89% | 0.1 m/s | 1.9 |
| 2011 | 9.9°C | 6.4°C | 2.8°C | 18.2°C | -3.1°C | 143 mm | 93% | 0.1 m/s | 1.7 |
| 2010 | 10.9°C | 7.0°C | 3.1°C | 23.2°C | -3.6°C | 80 mm | 88% | 0.1 m/s | 2.3 |
| 2009 | 6.2°C | 3.2°C | 0.2°C | 21.0°C | -5.0°C | 100 mm | 90% | 0.1 m/s | 1.8 |
| 2008 | 10.3°C | 6.2°C | 2.1°C | 21.1°C | -4.3°C | 69 mm | 88% | 0.1 m/s | 2.2 |
| 2007 | 9.9°C | 5.9°C | 1.8°C | 20.0°C | -3.9°C | 67 mm | 88% | 0.1 m/s | 2.1 |
| 2006 | 10.0°C | 6.3°C | 2.6°C | 18.1°C | -2.3°C | 144 mm | 89% | 0.1 m/s | 2 |
| 2005 | 10.5°C | 6.6°C | 2.8°C | 21.2°C | -2.9°C | 113 mm | 90% | 0.1 m/s | 1.9 |
| 2004 | 11.1°C | 7.1°C | 3.1°C | 19.0°C | -3.2°C | 110 mm | 91% | 0.1 m/s | 2.1 |
| 2003 🔥 | 13.8°C | 9.2°C | 4.6°C | 22.2°C | 0.1°C | 194 mm | 88% | 0.1 m/s | 1.9 |
| 2002 | 7.6°C | 3.8°C | 0.1°C | 14.5°C | -5.0°C | 89 mm | 86% | 0.1 m/s | 2.3 |
| 2001 | 11.5°C | 7.0°C | 2.4°C | 19.0°C | -4.3°C | 55 mm | 88% | 0.1 m/s | 2.3 |
| 2000 🌧️ | 8.9°C | 5.1°C | 1.4°C | 17.7°C | -4.5°C | 235 mm | 90% | 0.1 m/s | 1.8 |
| 1999 | 7.9°C | 3.9°C | 0.0°C | 17.3°C | -9.2°C | 136 mm | 88% | 0.1 m/s | 2.1 |
| 1998 | 8.5°C | 4.9°C | 1.4°C | 16.0°C | -6.0°C | 87 mm | 89% | 0.1 m/s | 2.1 |
| 1997 | 7.8°C | 4.4°C | 1.1°C | 20.1°C | -4.1°C | 80 mm | 92% | 0.1 m/s | 1.8 |
| 1996 | 9.0°C | 5.1°C | 1.1°C | 15.6°C | -4.1°C | 69 mm | 89% | 0.1 m/s | 2.1 |
| 1995 | 10.6°C | 6.7°C | 2.8°C | 17.8°C | -2.4°C | 101 mm | 90% | 0.1 m/s | 1.9 |
| 1994 | 10.2°C | 6.6°C | 3.1°C | 19.3°C | -4.0°C | 77 mm | 91% | 0.1 m/s | 2 |
| 1993 | 8.5°C | 3.9°C | -0.8°C | 16.8°C | -6.2°C | 102 mm | 86% | 0.1 m/s | 2.2 |
| 1992 | 8.9°C | 5.3°C | 1.6°C | 14.6°C | -4.4°C | 141 mm | 90% | 0.1 m/s | 1.5 |
| 1991 | 10.6°C | 6.4°C | 2.2°C | 18.5°C | -3.4°C | 73 mm | 90% | 0.1 m/s | 2 |
| 1990 | 10.3°C | 5.9°C | 1.6°C | 21.1°C | -5.0°C | 95 mm | 86% | 0.1 m/s | 2 |
| 1989 | 9.2°C | 4.5°C | -0.3°C | 18.3°C | -5.8°C | 74 mm | 85% | 0.1 m/s | 2.2 |
| 1988 | 10.3°C | 5.7°C | 1.1°C | 21.3°C | -3.5°C | 66 mm | 87% | 0.1 m/s | 2.2 |
| 1987 | 11.8°C | 6.9°C | 2.1°C | 20.5°C | -4.0°C | 86 mm | 83% | 0.1 m/s | 2.3 |
| 1986 ❄️ | 7.3°C | 3.0°C | -1.3°C | 16.2°C | -7.0°C | 74 mm | 86% | 0.1 m/s | 2.3 |
| 1985 | 8.1°C | 3.9°C | -0.2°C | 16.8°C | -5.6°C | 42 mm | 88% | 0.1 m/s | 2.2 |
| 1984 | 7.3°C | 3.1°C | -1.2°C | 12.4°C | -5.9°C | 47 mm | 86% | 0.1 m/s | 2.3 |
| 1983 | 10.1°C | 5.7°C | 1.2°C | 20.1°C | -5.0°C | 37 mm | 87% | 0.1 m/s | — |
| 1982 | 7.4°C | 3.3°C | -0.8°C | 15.1°C | -5.8°C | 99 mm | 87% | 0.1 m/s | — |
| 1981 | 9.7°C | 6.0°C | 2.2°C | 19.3°C | -5.2°C | 148 mm | 89% | 0.1 m/s | — |
Actual recorded October data for each year, 1981–2025 — sourced from NASA POWER.
The average high in October is around 9.9°C with lows near 1.7°C (mean 5.8°C), based on 45 years of NASA POWER data.
October averages 96 mm of rainfall in Grand Falls, about average for rainfall. The wettest on record was 235 mm in 2000.
The hottest October reached 23.8°C in 2013. The coldest dipped to -9.2°C in 1999.
Comparing the earliest years on record (1981–1985) with the most recent (2021–2025), average October temperatures have risen by about 3°C. Daytime highs moved from 8.5°C to 11.5°C and overnight lows from 0.2°C to 3.2°C over the same span.
October is one of the warmer months of the year in Grand Falls and about average for rainfall, so plan for around 9.9°C daytime highs and 1.7°C at night.
Not quite — October is the 7th coolest month in Grand Falls, averaging 5.8°C.
For October in Grand Falls, pack warm layers and a jacket for chilly mornings, with typical highs of 9.9°C and lows of 1.7°C. Bring an umbrella or light rain jacket too.
Relative humidity in October averages 88% — quite humid.
Average wind speed in October is 0.1 m/s. The windiest October on record averaged 0.2 m/s (2014).
The wettest October on record was 2000 with 235 mm. On average, October sees 96 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 Grand Falls 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.
