October is one of the warmer months of the year in Ithaca, with average highs near 14.8°C and lows around 4.4°C (mean 9.6°C). It is about average for rainfall, averaging 94 mm of rainfall and 79% relative humidity across the period.
October is one of the warmer months of the year in Ithaca. Across 45 years of records, the warmest Octobers in Ithaca were 2007 and 2017 — when the month averaged 13.4°C — while the coldest was 1988 at 6.4°C. Typical October days reach 14.8°C with nights near 4.4°C. The long-term trend is warming, about 0.6°C per decade.
October is about average for rainfall in Ithaca, averaging 94 mm of rainfall. The wettest October on record was 2021 with 187 mm, while the driest was 2022 at 32 mm.
Relative humidity in Ithaca during October averages 79%. The most humid October was 2021 at 87%, and the least humid was 2001 at 72%.
October receives about 2.7 kWh/m²/day of solar energy in Ithaca. The sunniest October was 2024 at 3.3 kWh/m²/day, and the cloudiest was 2018 at 2.2.
Average wind speed in Ithaca during October is 0.2 m/s. The windiest Octobers were 2023, 2024 and 2025, among others at 0.2 m/s, while the calmest were 2002, 2018 and 2019, 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 | 8.6°C | 9.1°C | 9.3°C | 10.3°C | 11.0°C | +2.4°C |
| Avg High | 14.1°C | 14.5°C | 14.3°C | 15.2°C | 16.2°C | +2.1°C |
| Avg Low | 3.2°C | 3.7°C | 4.4°C | 5.4°C | 5.8°C | +2.6°C |
| Avg Rain | 79 mm | 84 mm | 103 mm | 112 mm | 91 mm | +11 mm |
October temperatures in Ithaca have risen by about 1.8°C between 1981–1985 and 2021–2025.
October has ranged from a record low of -5.4°C (1992) to a record high of 30.2°C (2019).
Rainfall in October is about average for rainfall, averaging 94 mm, with a wettest year of 187 mm.
A good time to visit Ithaca
October is a good time to visit Ithaca, with days averaging 14.8°C and nights around 4.4°C (mean 9.6°C, warmer than Ithaca'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 | 15.9°C | 10.4°C | 4.9°C | 28.3°C | -2.3°C | 107 mm | 76% | 0.2 m/s | 3.1 |
| 2024 | 16.7°C | 10.8°C | 4.8°C | 24.9°C | -1.7°C | 43 mm | 75% | 0.2 m/s | 3.3 |
| 2023 | 16.5°C | 11.7°C | 7.0°C | 28.5°C | 0.0°C | 92 mm | 80% | 0.2 m/s | 2.4 |
| 2022 | 15.2°C | 9.5°C | 3.9°C | 21.8°C | -1.2°C | 32 mm | 77% | 0.2 m/s | 3 |
| 2021 🌧️ | 17.8°C | 13.2°C | 8.6°C | 24.2°C | 0.9°C | 187 mm | 87% | 0.2 m/s | 2.5 |
| 2020 | 14.9°C | 10.2°C | 5.5°C | 25.1°C | -4.4°C | 83 mm | 78% | 0.2 m/s | 2.5 |
| 2019 | 16.1°C | 10.9°C | 5.8°C | 30.2°C | -0.2°C | 160 mm | 82% | 0.1 m/s | 2.6 |
| 2018 | 13.5°C | 9.1°C | 4.7°C | 26.0°C | -2.5°C | 128 mm | 87% | 0.1 m/s | 2.2 |
| 2017 | 19.1°C | 13.4°C | 7.7°C | 27.2°C | -1.2°C | 141 mm | 73% | 0.2 m/s | 3 |
| 2016 | 15.5°C | 10.3°C | 5.1°C | 26.2°C | -2.0°C | 153 mm | 80% | 0.2 m/s | 2.6 |
| 2015 | 14.1°C | 9.1°C | 4.1°C | 22.1°C | -3.6°C | 70 mm | 75% | 0.2 m/s | 2.7 |
| 2014 | 15.7°C | 10.8°C | 5.9°C | 24.6°C | -0.4°C | 87 mm | 78% | 0.2 m/s | 2.5 |
| 2013 | 15.5°C | 10.6°C | 5.6°C | 25.1°C | -4.3°C | 81 mm | 82% | 0.2 m/s | 2.6 |
| 2012 | 15.8°C | 11.0°C | 6.2°C | 25.0°C | -3.9°C | 93 mm | 81% | 0.2 m/s | 2.3 |
| 2011 | 13.9°C | 9.5°C | 5.0°C | 23.3°C | -3.8°C | 103 mm | 84% | 0.2 m/s | 2.5 |
| 2010 | 12.9°C | 8.6°C | 4.3°C | 20.4°C | -2.0°C | 104 mm | 83% | 0.2 m/s | 2.7 |
| 2009 | 12.5°C | 8.1°C | 3.7°C | 19.5°C | -2.8°C | 105 mm | 82% | 0.2 m/s | 2.3 |
| 2008 | 13.7°C | 8.2°C | 2.7°C | 24.1°C | -5.1°C | 108 mm | 77% | 0.2 m/s | 3.1 |
| 2007 🔥 | 18.7°C | 13.4°C | 8.0°C | 29.7°C | -1.6°C | 124 mm | 81% | 0.2 m/s | 2.7 |
| 2006 | 13.1°C | 8.3°C | 3.5°C | 22.8°C | -2.4°C | 128 mm | 82% | 0.2 m/s | 2.5 |
| 2005 | 14.4°C | 10.0°C | 5.7°C | 27.1°C | -1.1°C | 178 mm | 85% | 0.2 m/s | 2.3 |
| 2004 | 14.1°C | 9.4°C | 4.6°C | 21.9°C | -0.3°C | 64 mm | 85% | 0.2 m/s | 2.4 |
| 2003 | 13.2°C | 8.1°C | 3.0°C | 26.5°C | -2.2°C | 112 mm | 81% | 0.2 m/s | 2.7 |
| 2002 | 12.6°C | 7.9°C | 3.2°C | 26.1°C | -4.5°C | 94 mm | 81% | 0.1 m/s | 2.3 |
| 2001 | 15.4°C | 10.0°C | 4.7°C | 24.7°C | -2.3°C | 48 mm | 72% | 0.2 m/s | 3 |
| 2000 | 15.1°C | 9.7°C | 4.4°C | 23.4°C | -2.3°C | 71 mm | 78% | 0.1 m/s | 2.8 |
| 1999 | 13.7°C | 8.1°C | 2.6°C | 19.9°C | -3.8°C | 52 mm | 78% | 0.2 m/s | 2.8 |
| 1998 | 14.8°C | 9.8°C | 4.9°C | 21.3°C | 0.2°C | 72 mm | 79% | 0.1 m/s | 2.7 |
| 1997 | 14.6°C | 8.8°C | 3.1°C | 25.8°C | -4.5°C | 34 mm | 75% | 0.2 m/s | 2.9 |
| 1996 | 14.2°C | 8.9°C | 3.5°C | 22.2°C | -3.3°C | 81 mm | 79% | 0.2 m/s | 2.8 |
| 1995 | 16.8°C | 11.3°C | 5.9°C | 24.8°C | -0.8°C | 169 mm | 79% | 0.2 m/s | 2.8 |
| 1994 | 14.1°C | 8.5°C | 2.9°C | 20.3°C | -1.7°C | 39 mm | 79% | 0.2 m/s | 3 |
| 1993 | 13.3°C | 8.0°C | 2.7°C | 23.8°C | -3.9°C | 81 mm | 77% | 0.2 m/s | 2.5 |
| 1992 | 12.1°C | 6.8°C | 1.6°C | 22.2°C | -5.4°C | 79 mm | 81% | 0.2 m/s | 2.3 |
| 1991 | 15.9°C | 10.0°C | 4.1°C | 24.5°C | -4.4°C | 55 mm | 76% | 0.2 m/s | 2.8 |
| 1990 | 15.9°C | 10.7°C | 5.5°C | 24.4°C | -4.9°C | 180 mm | 80% | 0.2 m/s | 2.6 |
| 1989 | 15.4°C | 10.0°C | 4.6°C | 23.9°C | -2.2°C | 108 mm | 79% | 0.2 m/s | 2.7 |
| 1988 ❄️ | 11.1°C | 6.4°C | 1.6°C | 25.2°C | -5.3°C | 81 mm | 77% | 0.2 m/s | 2.5 |
| 1987 | 12.1°C | 6.7°C | 1.4°C | 19.2°C | -3.8°C | 69 mm | 80% | 0.2 m/s | 2.9 |
| 1986 | 13.6°C | 8.4°C | 3.1°C | 20.0°C | -4.4°C | 78 mm | 82% | 0.2 m/s | 2.6 |
| 1985 | 14.7°C | 9.2°C | 3.6°C | 21.4°C | -4.8°C | 70 mm | 78% | 0.2 m/s | 2.7 |
| 1984 | 17.1°C | 11.1°C | 5.2°C | 23.5°C | -4.3°C | 56 mm | 79% | 0.2 m/s | 2.9 |
| 1983 | 15.3°C | 9.6°C | 3.9°C | 26.4°C | -4.6°C | 67 mm | 73% | 0.2 m/s | — |
| 1982 | 15.6°C | 9.6°C | 3.6°C | 25.0°C | -4.8°C | 34 mm | 73% | 0.2 m/s | — |
| 1981 | 11.8°C | 6.8°C | 1.7°C | 18.4°C | -4.0°C | 150 mm | 82% | 0.2 m/s | — |
Actual recorded October data for each year, 1981–2025 — sourced from NASA POWER.
The average high in October is around 14.8°C with lows near 4.4°C (mean 9.6°C), based on 45 years of NASA POWER data.
October averages 94 mm of rainfall in Ithaca, about average for rainfall. The wettest on record was 187 mm in 2021.
The hottest October reached 30.2°C in 2019. The coldest dipped to -5.4°C in 1992.
Comparing the earliest years on record (1981–1985) with the most recent (2021–2025), average October temperatures have risen by about 1.8°C. Daytime highs moved from 14.9°C to 16.4°C and overnight lows from 3.6°C to 5.8°C over the same span.
October is one of the warmer months of the year in Ithaca and about average for rainfall, so plan for around 14.8°C daytime highs and 4.4°C at night.
Not quite — October is the 7th coolest month in Ithaca, averaging 9.6°C.
For October in Ithaca, pack warm layers and a jacket for chilly mornings, with typical highs of 14.8°C and lows of 4.4°C. Bring an umbrella or light rain jacket too.
Relative humidity in October averages 79% — quite humid.
Average wind speed in October is 0.2 m/s. The windiest October on record averaged 0.2 m/s (1981).
The wettest October on record was 2021 with 187 mm. On average, October sees 94 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 Ithaca 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.
