October is one of the warmer months of the year in Athens, with average highs near 23°C and lows around 10.1°C (mean 16.6°C). It is one of the drier months, averaging 87 mm of rainfall and 70% 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 2016 — when the month averaged 20.7°C — while the coldest was 1988 at 12.4°C. Typical October days reach 23°C with nights near 10.1°C. The long-term trend is warming, about 0.4°C per decade.
October is one of the drier months in Athens, averaging 87 mm of rainfall. The wettest October on record was 1984 with 213 mm, while the driest was 2005 at 3 mm.
Relative humidity in Athens during October averages 70%. The most humid October was 2009 at 84%, and the least humid was 2016 at 56%.
October receives about 3.9 kWh/m²/day of solar energy in Athens. The sunniest October was 2010 at 4.8 kWh/m²/day, and the cloudiest was 2002 at 2.7.
Average wind speed in Athens during October is 1.2 m/s. The windiest October was 2001 at 1.4 m/s, while the calmest were 2003, 2013 and 2024, among others at 1 m/s.
Ranked against the other 11 months using 1981–2025 averages.
| Metric | 1980s | 1990s | 2000s | 2010s | 2020s | Change |
|---|---|---|---|---|---|---|
| Avg Temp | 16.0°C | 16.1°C | 16.6°C | 17.1°C | 17.3°C | +1.3°C |
| Avg High | 22.2°C | 22.7°C | 22.9°C | 23.6°C | 23.9°C | +1.7°C |
| Avg Low | 9.8°C | 9.5°C | 10.2°C | 10.7°C | 10.8°C | +1°C |
| Avg Rain | 91 mm | 87 mm | 82 mm | 95 mm | 81 mm | -9 mm |
October temperatures in Athens have stayed relatively stable across the record.
October has ranged from a record low of -2.1°C (1997) to a record high of 37.8°C (2019).
Rainfall in October is one of the drier months, averaging 87 mm, with a wettest year of 213 mm.
A good time to visit Athens
October is a good time to visit Athens, with days averaging 23°C and nights around 10.1°C (mean 16.6°C, warmer than Athens's yearly average) and higher rainfall. September and June 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 | 23.8°C | 17.4°C | 11.1°C | 29.9°C | 4.1°C | 89 mm | 69% | 1.2 m/s | 4 |
| 2024 | 26.5°C | 18.8°C | 11.1°C | 32.0°C | 2.8°C | 12 mm | 62% | 1 m/s | 4.6 |
| 2023 | 25.0°C | 18.2°C | 11.4°C | 32.3°C | 0.4°C | 16 mm | 60% | 1.2 m/s | 3.9 |
| 2022 | 22.9°C | 15.3°C | 7.7°C | 28.4°C | -0.8°C | 56 mm | 61% | 1.2 m/s | 4.5 |
| 2021 | 22.6°C | 17.7°C | 12.7°C | 27.3°C | 4.8°C | 147 mm | 83% | 1.1 m/s | 3.7 |
| 2020 | 22.4°C | 16.7°C | 10.9°C | 27.2°C | 2.7°C | 168 mm | 80% | 1.1 m/s | 3.8 |
| 2019 | 24.9°C | 18.3°C | 11.8°C | 37.8°C | -0.4°C | 186 mm | 68% | 1.2 m/s | 3.3 |
| 2018 | 23.5°C | 17.7°C | 11.9°C | 31.6°C | 1.8°C | 64 mm | 74% | 1.2 m/s | 3.8 |
| 2017 | 22.8°C | 16.5°C | 10.2°C | 29.7°C | -0.3°C | 147 mm | 75% | 1.2 m/s | 4.2 |
| 2016 🔥 | 28.0°C | 20.7°C | 13.4°C | 32.9°C | 5.3°C | 11 mm | 56% | 1.2 m/s | 4.5 |
| 2015 | 23.8°C | 17.3°C | 10.9°C | 30.5°C | 2.7°C | 86 mm | 71% | 1.3 m/s | 3.6 |
| 2014 | 22.7°C | 16.9°C | 11.2°C | 31.5°C | 3.0°C | 190 mm | 78% | 1.3 m/s | 3.9 |
| 2013 | 23.3°C | 17.1°C | 11.0°C | 31.1°C | -1.3°C | 38 mm | 73% | 1 m/s | 3.7 |
| 2012 | 19.8°C | 14.2°C | 8.5°C | 26.5°C | -0.3°C | 94 mm | 77% | 1.3 m/s | 3.9 |
| 2011 | 22.0°C | 15.0°C | 8.0°C | 28.9°C | 0.7°C | 45 mm | 67% | 1.2 m/s | 4.3 |
| 2010 | 24.9°C | 17.2°C | 9.6°C | 31.2°C | 1.6°C | 84 mm | 56% | 1.2 m/s | 4.8 |
| 2009 | 19.4°C | 14.1°C | 8.8°C | 27.3°C | 0.8°C | 186 mm | 84% | 1.3 m/s | 3.1 |
| 2008 | 22.7°C | 16.1°C | 9.6°C | 29.3°C | -1.7°C | 93 mm | 67% | 1.1 m/s | 4.1 |
| 2007 | 25.5°C | 18.8°C | 12.0°C | 32.5°C | 2.7°C | 74 mm | 67% | 1.2 m/s | 3.9 |
| 2006 | 21.8°C | 14.9°C | 8.1°C | 31.8°C | -0.2°C | 107 mm | 70% | 1.2 m/s | 3.9 |
| 2005 | 24.0°C | 17.0°C | 10.0°C | 31.1°C | 1.2°C | 3 mm | 67% | 1.2 m/s | 4.1 |
| 2004 | 23.9°C | 18.6°C | 13.4°C | 28.3°C | 4.6°C | 124 mm | 78% | 1.1 m/s | 3.1 |
| 2003 | 22.9°C | 16.4°C | 9.9°C | 26.7°C | 3.8°C | 27 mm | 71% | 1 m/s | 3.9 |
| 2002 | 21.8°C | 16.9°C | 12.0°C | 29.9°C | 4.6°C | 104 mm | 84% | 1.1 m/s | 2.7 |
| 2001 | 21.4°C | 14.5°C | 7.7°C | 27.4°C | -1.7°C | 98 mm | 67% | 1.4 m/s | 4.5 |
| 2000 | 25.9°C | 18.4°C | 10.9°C | 31.5°C | -0.5°C | 5 mm | 58% | 1 m/s | 4.2 |
| 1999 | 24.3°C | 16.7°C | 9.2°C | 28.8°C | 0.4°C | 48 mm | 61% | 1.2 m/s | 4.3 |
| 1998 | 26.1°C | 18.8°C | 11.6°C | 31.0°C | 2.7°C | 45 mm | 60% | 1.2 m/s | 4.4 |
| 1997 | 21.5°C | 15.1°C | 8.7°C | 30.0°C | -2.1°C | 132 mm | 72% | 1.1 m/s | 4.1 |
| 1996 | 22.1°C | 15.8°C | 9.5°C | 26.4°C | 2.4°C | 58 mm | 74% | 1.2 m/s | 3.8 |
| 1995 | 20.9°C | 14.8°C | 8.7°C | 29.3°C | 1.9°C | 188 mm | 80% | 1.2 m/s | 4 |
| 1994 | 21.8°C | 15.9°C | 10.1°C | 29.6°C | 0.7°C | 120 mm | 77% | 1.2 m/s | 3.1 |
| 1993 | 22.0°C | 15.5°C | 9.0°C | 29.8°C | -1.8°C | 43 mm | 70% | 1.2 m/s | 3.4 |
| 1992 | 22.0°C | 15.4°C | 8.8°C | 26.9°C | 0.7°C | 66 mm | 74% | 1.1 m/s | 3.6 |
| 1991 | 23.1°C | 16.5°C | 10.0°C | 28.5°C | 1.8°C | 57 mm | 69% | 1.1 m/s | 4 |
| 1990 | 23.3°C | 16.1°C | 8.9°C | 30.0°C | 0.5°C | 106 mm | 68% | 1.3 m/s | 4 |
| 1989 | 20.7°C | 14.6°C | 8.5°C | 26.4°C | -1.0°C | 49 mm | 80% | 1.1 m/s | 4 |
| 1988 ❄️ | 18.6°C | 12.4°C | 6.3°C | 23.6°C | 0.6°C | 68 mm | 73% | 1.2 m/s | 3.7 |
| 1987 | 21.0°C | 13.2°C | 5.4°C | 27.5°C | -1.6°C | 23 mm | 56% | 1.2 m/s | 4.2 |
| 1986 | 22.4°C | 16.7°C | 10.9°C | 31.7°C | 3.1°C | 118 mm | 74% | 1.1 m/s | 3.4 |
| 1985 | 22.9°C | 17.7°C | 12.5°C | 28.6°C | 4.9°C | 111 mm | 79% | 1.2 m/s | 3 |
| 1984 🌧️ | 25.5°C | 20.2°C | 14.8°C | 29.9°C | 3.6°C | 213 mm | 73% | 1.1 m/s | 3 |
| 1983 | 24.0°C | 17.4°C | 10.8°C | 30.2°C | 3.1°C | 68 mm | 69% | 1.2 m/s | — |
| 1982 | 23.2°C | 16.5°C | 9.7°C | 31.1°C | 0.5°C | 64 mm | 69% | 1.1 m/s | — |
| 1981 | 21.9°C | 15.5°C | 9.2°C | 31.4°C | -2.0°C | 101 mm | 68% | 1.2 m/s | — |
Actual recorded October data for each year, 1981–2025 — sourced from NASA POWER.
The average high in October is around 23°C with lows near 10.1°C (mean 16.6°C), based on 45 years of NASA POWER data.
October averages 87 mm of rainfall in Athens, one of the drier months. The wettest on record was 213 mm in 1984.
The hottest October reached 37.8°C in 2019. The coldest dipped to -2.1°C in 1997.
Comparing the earliest years on record (1981–1985) with the most recent (2021–2025), average October temperatures have held steady by about 0°C — but days and nights have moved in opposite directions. Daytime highs rose from 23.5°C to 24.2°C while overnight lows fell from 11.4°C to 10.8°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 23°C daytime highs and 10.1°C at night.
Not quite — October is the 7th coolest month in Athens, averaging 16.6°C.
For October in Athens, pack light layers you can adjust through the day, with typical highs of 23°C and lows of 10.1°C. Bring an umbrella or light rain jacket too.
Relative humidity in October averages 70% — moderately humid.
Average wind speed in October is 1.2 m/s. The windiest October on record averaged 1.4 m/s (2001).
The wettest October on record was 1984 with 213 mm. On average, October sees 87 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.
