October is one of the warmer months of the year in Johnstown, with average highs near 16.3°C and lows around 5°C (mean 10.7°C). It is about average for rainfall, averaging 77 mm of rainfall and 76% relative humidity across the period.
October is one of the warmer months of the year in Johnstown. Across 45 years of records, the warmest October in Johnstown was 2007 — when the month averaged 14.3°C — while the coldest was 1988 at 6.9°C. Typical October days reach 16.3°C with nights near 5°C. The long-term trend is warming, about 0.4°C per decade.
October is about average for rainfall in Johnstown, averaging 77 mm of rainfall. The wettest October on record was 1990 with 140 mm, while the driest was 1994 at 26 mm.
Relative humidity in Johnstown during October averages 76%. The most humid October was 2018 at 85%, and the least humid was 2001 at 64%.
October receives about 3 kWh/m²/day of solar energy in Johnstown. The sunniest October was 2024 at 3.6 kWh/m²/day, and the cloudiest was 2002 at 2.3.
Average wind speed in Johnstown during October is 0.1 m/s. The windiest Octobers were 2023, 2024 and 2025, among others at 0.1 m/s, while the calmest were 2010, 2014 and 2018, among others at 0 m/s.
Ranked against the other 11 months using 1981–2025 averages.
| Metric | 1980s | 1990s | 2000s | 2010s | 2020s | Change |
|---|---|---|---|---|---|---|
| Avg Temp | 10.1°C | 10.2°C | 10.4°C | 11.3°C | 11.7°C | +1.6°C |
| Avg High | 15.8°C | 16.3°C | 15.9°C | 16.6°C | 17.6°C | +1.8°C |
| Avg Low | 4.4°C | 4.1°C | 4.9°C | 5.9°C | 5.9°C | +1.5°C |
| Avg Rain | 73 mm | 67 mm | 82 mm | 97 mm | 63 mm | -10 mm |
October temperatures in Johnstown have risen by about 0.7°C between 1981–1985 and 2021–2025.
October has ranged from a record low of -6.2°C (2011) to a record high of 30.9°C (2019).
Rainfall in October is about average for rainfall, averaging 77 mm, with a wettest year of 140 mm.
A good time to visit Johnstown
October is a good time to visit Johnstown, with days averaging 16.3°C and nights around 5°C (mean 10.7°C, warmer than Johnstown's yearly average) and moderate 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 | 17.8°C | 11.5°C | 5.2°C | 28.5°C | -1.0°C | 78 mm | 70% | 0.1 m/s | 3.3 |
| 2024 | 18.9°C | 12.1°C | 5.3°C | 25.8°C | -1.1°C | 27 mm | 71% | 0.1 m/s | 3.6 |
| 2023 | 17.5°C | 12.1°C | 6.7°C | 27.7°C | -0.5°C | 79 mm | 74% | 0.1 m/s | 2.8 |
| 2022 | 15.4°C | 9.2°C | 3.0°C | 22.4°C | -1.5°C | 50 mm | 74% | 0.1 m/s | 3.1 |
| 2021 | 18.9°C | 14.0°C | 9.1°C | 26.4°C | 2.9°C | 69 mm | 84% | 0.1 m/s | 2.5 |
| 2020 | 17.0°C | 11.4°C | 5.9°C | 26.4°C | -2.4°C | 71 mm | 75% | 0.1 m/s | 2.7 |
| 2019 | 18.4°C | 12.4°C | 6.5°C | 30.9°C | 0.3°C | 102 mm | 73% | 0.1 m/s | 2.9 |
| 2018 | 15.6°C | 10.8°C | 6.0°C | 27.3°C | -3.3°C | 100 mm | 85% | 0 m/s | 2.7 |
| 2017 | 19.6°C | 13.6°C | 7.7°C | 28.2°C | 0.0°C | 132 mm | 74% | 0.1 m/s | 3 |
| 2016 | 18.2°C | 12.1°C | 6.1°C | 26.2°C | -2.9°C | 94 mm | 78% | 0.1 m/s | 3 |
| 2015 | 15.9°C | 10.5°C | 5.0°C | 22.7°C | -2.4°C | 78 mm | 75% | 0.1 m/s | 3 |
| 2014 | 16.6°C | 11.5°C | 6.4°C | 24.4°C | 0.6°C | 78 mm | 77% | 0 m/s | 2.6 |
| 2013 | 17.1°C | 11.7°C | 6.3°C | 29.0°C | -3.1°C | 78 mm | 77% | 0.1 m/s | 2.9 |
| 2012 | 15.6°C | 10.6°C | 5.5°C | 23.7°C | -3.5°C | 132 mm | 81% | 0.1 m/s | 2.7 |
| 2011 | 14.2°C | 9.6°C | 5.0°C | 25.6°C | -6.2°C | 122 mm | 84% | 0.1 m/s | 2.5 |
| 2010 | 15.2°C | 10.0°C | 4.8°C | 23.5°C | -1.0°C | 51 mm | 78% | 0 m/s | 3.2 |
| 2009 | 13.9°C | 9.0°C | 4.2°C | 25.2°C | -3.5°C | 116 mm | 82% | 0.1 m/s | 2.5 |
| 2008 | 15.0°C | 9.1°C | 3.2°C | 25.2°C | -4.4°C | 45 mm | 72% | 0.1 m/s | 3.2 |
| 2007 🔥 | 20.4°C | 14.3°C | 8.2°C | 29.9°C | -2.1°C | 64 mm | 72% | 0.1 m/s | 3.2 |
| 2006 | 14.3°C | 9.2°C | 4.0°C | 24.2°C | -2.7°C | 124 mm | 80% | 0.1 m/s | 2.8 |
| 2005 | 16.8°C | 11.7°C | 6.6°C | 29.3°C | 0.0°C | 128 mm | 79% | 0.1 m/s | 2.6 |
| 2004 | 15.2°C | 10.2°C | 5.3°C | 22.5°C | -0.7°C | 58 mm | 84% | 0.1 m/s | 2.9 |
| 2003 | 14.2°C | 8.6°C | 3.0°C | 22.3°C | -3.4°C | 76 mm | 81% | 0.1 m/s | 3.1 |
| 2002 | 14.2°C | 9.3°C | 4.4°C | 26.8°C | -5.8°C | 102 mm | 82% | 0 m/s | 2.3 |
| 2001 | 17.6°C | 11.2°C | 4.7°C | 25.4°C | -3.2°C | 44 mm | 64% | 0.1 m/s | 3.3 |
| 2000 | 17.3°C | 11.1°C | 4.9°C | 25.4°C | -3.3°C | 64 mm | 74% | 0.1 m/s | 3.1 |
| 1999 | 16.6°C | 10.1°C | 3.6°C | 23.3°C | -2.2°C | 48 mm | 73% | 0 m/s | 3.4 |
| 1998 | 16.7°C | 10.8°C | 4.9°C | 24.2°C | -0.6°C | 57 mm | 73% | 0.1 m/s | 3.2 |
| 1997 | 16.3°C | 10.0°C | 3.7°C | 26.5°C | -4.0°C | 27 mm | 72% | 0.1 m/s | 3.4 |
| 1996 | 14.9°C | 9.3°C | 3.7°C | 21.0°C | -2.6°C | 97 mm | 82% | 0 m/s | 3 |
| 1995 | 18.1°C | 11.9°C | 5.6°C | 26.5°C | -1.4°C | 139 mm | 73% | 0.1 m/s | 3.1 |
| 1994 | 16.3°C | 9.7°C | 3.1°C | 22.2°C | -1.7°C | 26 mm | 71% | 0.1 m/s | 3.4 |
| 1993 | 14.8°C | 9.0°C | 3.2°C | 24.8°C | -3.2°C | 67 mm | 75% | 0.1 m/s | 3 |
| 1992 | 14.9°C | 8.8°C | 2.7°C | 23.2°C | -4.8°C | 30 mm | 73% | 0.1 m/s | 2.7 |
| 1991 | 18.0°C | 11.3°C | 4.6°C | 25.8°C | -2.3°C | 35 mm | 68% | 0.1 m/s | 3.2 |
| 1990 🌧️ | 16.5°C | 11.0°C | 5.5°C | 25.1°C | -4.9°C | 140 mm | 80% | 0 m/s | 3 |
| 1989 | 16.2°C | 10.7°C | 5.2°C | 24.1°C | -1.6°C | 98 mm | 79% | 0.1 m/s | 3.1 |
| 1988 ❄️ | 11.9°C | 6.9°C | 1.9°C | 26.0°C | -5.2°C | 44 mm | 73% | 0 m/s | 2.7 |
| 1987 | 13.1°C | 7.3°C | 1.5°C | 20.4°C | -3.8°C | 49 mm | 76% | 0.1 m/s | 3.3 |
| 1986 | 15.8°C | 10.4°C | 5.1°C | 24.0°C | -1.1°C | 91 mm | 80% | 0 m/s | 3 |
| 1985 | 17.5°C | 11.5°C | 5.5°C | 24.4°C | -5.0°C | 70 mm | 72% | 0 m/s | 2.9 |
| 1984 | 19.4°C | 13.7°C | 8.0°C | 25.5°C | 2.1°C | 65 mm | 79% | 0.1 m/s | 3.1 |
| 1983 | 16.1°C | 10.4°C | 4.7°C | 25.9°C | -4.8°C | 95 mm | 76% | 0 m/s | — |
| 1982 | 17.4°C | 11.3°C | 5.2°C | 26.2°C | -5.1°C | 29 mm | 71% | 0.1 m/s | — |
| 1981 | 14.4°C | 8.6°C | 2.7°C | 22.9°C | -3.4°C | 113 mm | 74% | 0 m/s | — |
Actual recorded October data for each year, 1981–2025 — sourced from NASA POWER.
The average high in October is around 16.3°C with lows near 5°C (mean 10.7°C), based on 45 years of NASA POWER data.
October averages 77 mm of rainfall in Johnstown, about average for rainfall. The wettest on record was 140 mm in 1990.
The hottest October reached 30.9°C in 2019. The coldest dipped to -6.2°C in 2011.
Comparing the earliest years on record (1981–1985) with the most recent (2021–2025), average October temperatures have risen by about 0.7°C. Daytime highs moved from 17°C to 17.7°C and overnight lows from 5.2°C to 5.9°C over the same span.
October is one of the warmer months of the year in Johnstown and about average for rainfall, so plan for around 16.3°C daytime highs and 5°C at night.
Not quite — October is the 7th coolest month in Johnstown, averaging 10.7°C.
For October in Johnstown, pack warm layers and a jacket for chilly mornings, with typical highs of 16.3°C and lows of 5°C. Bring an umbrella or light rain jacket too.
Relative humidity in October averages 76% — quite humid.
Average wind speed in October is 0.1 m/s. The windiest October on record averaged 0.1 m/s (1982).
The wettest October on record was 1990 with 140 mm. On average, October sees 77 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 Johnstown 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.
