October is one of the warmer months of the year in Athens, with average highs near 24°C and lows around 10.6°C (mean 17.3°C). It is one of the drier months, averaging 86 mm of rainfall and 73% relative humidity across the period.
October is one of the warmer months of the year in Athens. Across 45 years of records, the warmest October in Athens was 1984 — when the month averaged 21.2°C — while the coldest was 1988 at 13.2°C. Typical October days reach 24°C with nights near 10.6°C. The long-term trend is warming, about 0.4°C per decade.
October is one of the drier months in Athens, averaging 86 mm of rainfall. The wettest October on record was 2009 with 231 mm, while the driest was 2024 at 1 mm.
Relative humidity in Athens during October averages 73%. The most humid October was 2002 at 86%, and the least humid was 1987 at 54%.
October receives about 4 kWh/m²/day of solar energy in Athens. The sunniest October was 2010 at 4.8 kWh/m²/day, and the cloudiest was 1985 at 3.
Average wind speed in Athens during October is 0.2 m/s. The windiest Octobers were 2022, 2023 and 2024, among others at 0.2 m/s, while the calmest were 2009, 2011 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 | 16.8°C | 16.7°C | 17.4°C | 18.0°C | 18.0°C | +1.2°C |
| Avg High | 23.4°C | 23.2°C | 24.0°C | 24.9°C | 24.8°C | +1.4°C |
| Avg Low | 10.1°C | 10.1°C | 10.7°C | 11.2°C | 11.3°C | +1.2°C |
| Avg Rain | 89 mm | 102 mm | 79 mm | 83 mm | 74 mm | -15 mm |
October temperatures in Athens have stayed relatively stable across the record.
October has ranged from a record low of -1.3°C (2013) to a record high of 38.7°C (2019).
Rainfall in October is one of the drier months, averaging 86 mm, with a wettest year of 231 mm.
One of the best times to visit Athens
October is one of the best times to visit Athens. Expect days averaging 24°C and nights around 10.6°C (mean 17.3°C) — close to Athens's yearly average — with higher rainfall (86 mm), so conditions are generally comfortable for sightseeing and outdoor plans.
| Year | Avg High | Avg Temp | Avg Low | Hottest Day | Coldest Day | Rainfall | Humidity | Wind | Solar |
|---|---|---|---|---|---|---|---|---|---|
| 2025 | 24.3°C | 17.8°C | 11.3°C | 31.5°C | 5.4°C | 80 mm | 69% | 0.1 m/s | 3.9 |
| 2024 | 25.3°C | 18.3°C | 11.4°C | 30.8°C | 2.6°C | 1 mm | 74% | 0.2 m/s | 4.7 |
| 2023 | 25.7°C | 18.3°C | 10.9°C | 30.9°C | 5.8°C | 47 mm | 67% | 0.2 m/s | 4.3 |
| 2022 | 24.8°C | 16.9°C | 8.9°C | 30.4°C | 0.5°C | 31 mm | 63% | 0.2 m/s | 4.5 |
| 2021 | 23.8°C | 18.3°C | 12.7°C | 31.0°C | 5.5°C | 168 mm | 83% | 0.2 m/s | 3.8 |
| 2020 | 24.8°C | 18.6°C | 12.4°C | 29.1°C | 5.2°C | 118 mm | 82% | 0.2 m/s | 4 |
| 2019 | 27.2°C | 20.4°C | 13.7°C | 38.7°C | 4.7°C | 109 mm | 70% | 0.2 m/s | 3.6 |
| 2018 | 25.7°C | 19.3°C | 12.8°C | 36.0°C | 3.1°C | 109 mm | 73% | 0.2 m/s | 4.1 |
| 2017 | 25.2°C | 18.4°C | 11.6°C | 33.0°C | -1.0°C | 125 mm | 73% | 0.2 m/s | 4.1 |
| 2016 | 28.4°C | 20.4°C | 12.4°C | 33.1°C | 4.8°C | 7 mm | 62% | 0.2 m/s | 4.7 |
| 2015 | 22.1°C | 16.3°C | 10.5°C | 27.5°C | 2.6°C | 163 mm | 81% | 0.2 m/s | 3.6 |
| 2014 | 25.1°C | 17.9°C | 10.8°C | 31.3°C | 3.9°C | 89 mm | 73% | 0.2 m/s | 4.5 |
| 2013 | 23.0°C | 17.0°C | 10.9°C | 29.7°C | -1.3°C | 40 mm | 79% | 0.2 m/s | 4 |
| 2012 | 23.0°C | 16.7°C | 10.4°C | 27.8°C | 2.6°C | 67 mm | 72% | 0.2 m/s | 4.3 |
| 2011 | 23.6°C | 16.2°C | 8.9°C | 30.3°C | 1.5°C | 65 mm | 68% | 0.1 m/s | 4.4 |
| 2010 | 25.3°C | 17.4°C | 9.5°C | 30.4°C | 4.0°C | 58 mm | 67% | 0.2 m/s | 4.8 |
| 2009 🌧️ | 21.2°C | 15.8°C | 10.3°C | 28.8°C | 0.2°C | 231 mm | 85% | 0.1 m/s | 3.3 |
| 2008 | 23.0°C | 16.3°C | 9.6°C | 29.9°C | 0.0°C | 95 mm | 69% | 0.2 m/s | 4.2 |
| 2007 | 26.9°C | 19.7°C | 12.5°C | 33.0°C | 2.2°C | 47 mm | 69% | 0.1 m/s | 4 |
| 2006 | 23.2°C | 16.1°C | 9.0°C | 32.6°C | -0.3°C | 96 mm | 70% | 0.2 m/s | 4.2 |
| 2005 | 24.4°C | 18.0°C | 11.5°C | 31.0°C | 1.8°C | 87 mm | 73% | 0.2 m/s | 3.9 |
| 2004 | 24.1°C | 18.6°C | 13.1°C | 30.8°C | 4.5°C | 33 mm | 85% | 0.2 m/s | 3.3 |
| 2003 | 23.4°C | 16.8°C | 10.2°C | 28.2°C | 5.1°C | 53 mm | 75% | 0.2 m/s | 3.9 |
| 2002 | 23.8°C | 18.7°C | 13.7°C | 32.0°C | 4.6°C | 115 mm | 86% | 0.1 m/s | 3.1 |
| 2001 | 24.2°C | 16.1°C | 8.1°C | 30.3°C | -0.6°C | 23 mm | 59% | 0.2 m/s | 4.6 |
| 2000 | 25.6°C | 17.5°C | 9.3°C | 29.4°C | 0.7°C | 10 mm | 62% | 0.2 m/s | 4.6 |
| 1999 | 23.0°C | 16.6°C | 10.2°C | 29.2°C | 0.7°C | 92 mm | 77% | 0.2 m/s | 3.9 |
| 1998 | 26.7°C | 18.9°C | 11.0°C | 33.2°C | 2.8°C | 36 mm | 65% | 0.2 m/s | 4.5 |
| 1997 | 22.7°C | 16.7°C | 10.6°C | 29.4°C | 0.4°C | 148 mm | 78% | 0.2 m/s | 3.7 |
| 1996 | 23.0°C | 16.2°C | 9.3°C | 29.4°C | 1.3°C | 34 mm | 74% | 0.2 m/s | 4 |
| 1995 | 22.6°C | 16.6°C | 10.6°C | 29.8°C | 3.6°C | 211 mm | 84% | 0.1 m/s | 3.7 |
| 1994 | 20.6°C | 15.4°C | 10.3°C | 27.1°C | 2.1°C | 160 mm | 84% | 0.1 m/s | 3.2 |
| 1993 | 24.0°C | 17.2°C | 10.4°C | 30.4°C | 1.3°C | 105 mm | 67% | 0.1 m/s | 3.3 |
| 1992 | 21.0°C | 14.7°C | 8.4°C | 25.3°C | 1.3°C | 89 mm | 82% | 0.2 m/s | 3.8 |
| 1991 | 24.2°C | 17.0°C | 9.9°C | 28.5°C | 2.0°C | 8 mm | 71% | 0.2 m/s | 4.3 |
| 1990 | 24.1°C | 17.2°C | 10.3°C | 31.8°C | 1.2°C | 138 mm | 77% | 0.2 m/s | 4 |
| 1989 | 21.9°C | 15.8°C | 9.7°C | 28.1°C | -1.2°C | 81 mm | 82% | 0.2 m/s | 4 |
| 1988 ❄️ | 19.3°C | 13.2°C | 7.1°C | 27.2°C | -0.2°C | 100 mm | 78% | 0.2 m/s | 3.7 |
| 1987 | 23.2°C | 14.5°C | 5.7°C | 28.7°C | -0.2°C | 11 mm | 54% | 0.2 m/s | 4.7 |
| 1986 | 23.5°C | 17.4°C | 11.3°C | 34.1°C | 3.7°C | 183 mm | 76% | 0.2 m/s | 3.4 |
| 1985 | 25.0°C | 19.2°C | 13.3°C | 30.6°C | 5.0°C | 109 mm | 79% | 0.1 m/s | 3 |
| 1984 🔥 | 28.1°C | 21.2°C | 14.4°C | 31.4°C | 4.4°C | 52 mm | 71% | 0.2 m/s | 3.6 |
| 1983 | 23.6°C | 16.8°C | 10.0°C | 30.1°C | 3.6°C | 69 mm | 73% | 0.2 m/s | — |
| 1982 | 22.9°C | 16.6°C | 10.4°C | 31.7°C | 2.2°C | 120 mm | 75% | 0.2 m/s | — |
| 1981 | 23.3°C | 16.2°C | 9.1°C | 33.2°C | 1.3°C | 79 mm | 65% | 0.2 m/s | — |
Actual recorded October data for each year, 1981–2025 — sourced from NASA POWER.
The average high in October is around 24°C with lows near 10.6°C (mean 17.3°C), based on 45 years of NASA POWER data.
October averages 86 mm of rainfall in Athens, one of the drier months. The wettest on record was 231 mm in 2009.
The hottest October reached 38.7°C in 2019. The coldest dipped to -1.3°C in 2013.
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. Daytime highs rose from 24.6°C to 24.8°C while overnight lows fell from 11.4°C to 11°C, widening the gap between day and night.
October is one of the warmer months of the year in Athens and one of the drier months, so plan for around 24°C daytime highs and 10.6°C at night.
Not quite — October is the 7th coolest month in Athens, averaging 17.3°C.
For October in Athens, pack light layers you can adjust through the day, with typical highs of 24°C and lows of 10.6°C. Bring an umbrella or light rain jacket too.
Relative humidity in October averages 73% — moderately 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 2009 with 231 mm. On average, October sees 86 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 Athens 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.
