April is one of the cooler months of the year in Athens, with average highs near 20.6°C and lows around 8.9°C (mean 14.8°C). It is about average for rainfall, averaging 119 mm of rainfall and 79% relative humidity across the period.
April is one of the cooler months of the year in Athens. Across 45 years of records, the warmest April in Athens was 2017 — when the month averaged 17.9°C — while the coldest was 1983 at 11.8°C. Typical April days reach 20.6°C with nights near 8.9°C. The long-term trend is warming, about 0.3°C per decade.
April is about average for rainfall in Athens, averaging 119 mm of rainfall. The wettest April on record was 2011 with 256 mm, while the driest was 1986 at 27 mm.
Relative humidity in Athens during April averages 79%. The most humid April was 1991 at 84%, and the least humid was 1986 at 69%.
April receives about 5.4 kWh/m²/day of solar energy in Athens. The sunniest April was 2010 at 6.1 kWh/m²/day, and the cloudiest was 1991 at 4.4.
Average wind speed in Athens during April is 1.4 m/s. The windiest April was 2011 at 1.8 m/s, while the calmest were 1986 and 1989 at 1.2 m/s.
Ranked against the other 11 months using 1981–2025 averages.
| Metric | 1980s | 1990s | 2000s | 2010s | 2020s | Change |
|---|---|---|---|---|---|---|
| Avg Temp | 14.1°C | 14.3°C | 15.0°C | 15.5°C | 14.9°C | +0.8°C |
| Avg High | 20.1°C | 20.0°C | 20.8°C | 21.3°C | 20.7°C | +0.6°C |
| Avg Low | 8.1°C | 8.5°C | 9.2°C | 9.7°C | 9.1°C | +1°C |
| Avg Rain | 112 mm | 110 mm | 109 mm | 138 mm | 125 mm | +12 mm |
April temperatures in Athens have risen by about 1.2°C between 1981–1985 and 2021–2025.
April has ranged from a record low of -5.5°C (2007) to a record high of 30.1°C (1986).
Rainfall in April is about average for rainfall, averaging 119 mm, with a wettest year of 256 mm.
A good time to visit Athens
April is a good time to visit Athens, with days averaging 20.6°C and nights around 8.9°C (mean 14.8°C, close to Athens's yearly average) and higher rainfall. September and June are marginally more temperate, but April still suits most travellers.
| Year | Avg High | Avg Temp | Avg Low | Hottest Day | Coldest Day | Rainfall | Humidity | Wind | Solar |
|---|---|---|---|---|---|---|---|---|---|
| 2025 | 22.7°C | 17.2°C | 11.7°C | 28.4°C | -0.3°C | 148 mm | 81% | 1.4 m/s | 5.2 |
| 2024 | 21.5°C | 16.0°C | 10.4°C | 26.6°C | 0.6°C | 123 mm | 79% | 1.5 m/s | 4.9 |
| 2023 | 20.2°C | 14.4°C | 8.6°C | 26.4°C | 1.8°C | 100 mm | 78% | 1.3 m/s | 5.3 |
| 2022 | 20.0°C | 14.1°C | 8.2°C | 25.8°C | 1.2°C | 112 mm | 79% | 1.4 m/s | 5.6 |
| 2021 | 20.0°C | 14.1°C | 8.3°C | 25.9°C | -3.2°C | 74 mm | 78% | 1.3 m/s | 6 |
| 2020 | 19.7°C | 13.7°C | 7.6°C | 25.2°C | -0.9°C | 191 mm | 79% | 1.5 m/s | 5.6 |
| 2019 | 21.7°C | 16.0°C | 10.3°C | 26.8°C | -2.6°C | 153 mm | 79% | 1.4 m/s | 5.4 |
| 2018 | 18.2°C | 12.1°C | 6.0°C | 24.1°C | -2.5°C | 188 mm | 80% | 1.5 m/s | 5.5 |
| 2017 🔥 | 23.5°C | 17.9°C | 12.3°C | 27.7°C | 3.2°C | 126 mm | 79% | 1.4 m/s | 5.7 |
| 2016 | 20.7°C | 15.2°C | 9.6°C | 26.5°C | 1.6°C | 59 mm | 79% | 1.4 m/s | 5.6 |
| 2015 | 21.1°C | 15.8°C | 10.5°C | 25.3°C | 1.7°C | 156 mm | 83% | 1.4 m/s | 4.6 |
| 2014 | 20.9°C | 14.7°C | 8.5°C | 25.9°C | -2.0°C | 164 mm | 79% | 1.5 m/s | 5.4 |
| 2013 | 19.7°C | 14.2°C | 8.7°C | 25.5°C | 1.3°C | 177 mm | 82% | 1.4 m/s | 5.1 |
| 2012 | 22.3°C | 16.3°C | 10.4°C | 28.1°C | 1.2°C | 33 mm | 78% | 1.3 m/s | 6 |
| 2011 🌧️ | 22.1°C | 16.4°C | 10.6°C | 28.1°C | 2.3°C | 256 mm | 82% | 1.8 m/s | 5.4 |
| 2010 | 22.5°C | 16.3°C | 10.1°C | 26.7°C | 4.5°C | 68 mm | 75% | 1.4 m/s | 6.1 |
| 2009 | 19.8°C | 14.2°C | 8.5°C | 26.9°C | 0.3°C | 112 mm | 81% | 1.6 m/s | 5.3 |
| 2008 | 20.6°C | 14.5°C | 8.5°C | 26.5°C | 0.8°C | 105 mm | 79% | 1.4 m/s | 5.4 |
| 2007 | 20.0°C | 13.6°C | 7.3°C | 28.7°C | -5.5°C | 90 mm | 71% | 1.5 m/s | 5.7 |
| 2006 | 23.0°C | 17.2°C | 11.5°C | 28.9°C | 0.8°C | 133 mm | 79% | 1.5 m/s | 5.8 |
| 2005 | 20.3°C | 14.6°C | 8.9°C | 24.5°C | 0.8°C | 134 mm | 80% | 1.5 m/s | 5.2 |
| 2004 | 20.0°C | 14.3°C | 8.6°C | 26.3°C | -0.3°C | 87 mm | 79% | 1.4 m/s | 5.6 |
| 2003 | 21.3°C | 15.6°C | 9.9°C | 26.3°C | 2.1°C | 103 mm | 81% | 1.5 m/s | 5.4 |
| 2002 | 21.9°C | 16.3°C | 10.7°C | 28.1°C | -0.8°C | 45 mm | 81% | 1.5 m/s | 5.3 |
| 2001 | 21.6°C | 16.3°C | 11.0°C | 27.3°C | -0.8°C | 89 mm | 80% | 1.4 m/s | 5.4 |
| 2000 | 19.3°C | 13.2°C | 7.1°C | 24.8°C | -2.4°C | 192 mm | 80% | 1.5 m/s | 4.9 |
| 1999 | 22.0°C | 16.5°C | 11.0°C | 27.1°C | 1.0°C | 80 mm | 81% | 1.5 m/s | 5.5 |
| 1998 | 19.3°C | 14.1°C | 8.8°C | 24.8°C | 1.7°C | 140 mm | 83% | 1.5 m/s | 4.6 |
| 1997 | 18.2°C | 12.0°C | 5.9°C | 24.5°C | -1.0°C | 70 mm | 76% | 1.4 m/s | 5.6 |
| 1996 | 18.7°C | 12.2°C | 5.8°C | 24.8°C | -2.9°C | 118 mm | 79% | 1.6 m/s | 5.4 |
| 1995 | 21.4°C | 15.3°C | 9.1°C | 26.2°C | 0.2°C | 109 mm | 76% | 1.4 m/s | 5.4 |
| 1994 | 21.6°C | 15.9°C | 10.1°C | 28.2°C | -0.1°C | 127 mm | 83% | 1.4 m/s | 5.7 |
| 1993 | 18.1°C | 12.4°C | 6.7°C | 23.2°C | -2.4°C | 86 mm | 80% | 1.6 m/s | 4.9 |
| 1992 | 19.9°C | 14.3°C | 8.6°C | 27.0°C | -3.8°C | 61 mm | 80% | 1.3 m/s | 5.5 |
| 1991 | 21.4°C | 16.6°C | 11.7°C | 25.0°C | 4.0°C | 204 mm | 84% | 1.4 m/s | 4.4 |
| 1990 | 19.3°C | 13.2°C | 7.1°C | 25.9°C | -4.0°C | 106 mm | 80% | 1.4 m/s | 5.3 |
| 1989 | 19.3°C | 13.6°C | 7.8°C | 27.3°C | -3.7°C | 104 mm | 81% | 1.2 m/s | 5.3 |
| 1988 | 20.3°C | 14.2°C | 8.2°C | 26.4°C | 2.1°C | 99 mm | 77% | 1.4 m/s | 5.4 |
| 1987 | 19.6°C | 13.4°C | 7.2°C | 28.0°C | -3.9°C | 48 mm | 78% | 1.4 m/s | 5.7 |
| 1986 | 22.3°C | 15.3°C | 8.4°C | 30.1°C | -1.1°C | 27 mm | 69% | 1.2 m/s | 5.8 |
| 1985 | 21.5°C | 15.4°C | 9.4°C | 26.6°C | -1.9°C | 93 mm | 79% | 1.3 m/s | 5.5 |
| 1984 | 18.8°C | 13.6°C | 8.4°C | 26.8°C | -0.6°C | 145 mm | 82% | 1.5 m/s | 4.5 |
| 1983 ❄️ | 17.4°C | 11.8°C | 6.1°C | 24.0°C | -4.1°C | 241 mm | 82% | 1.7 m/s | — |
| 1982 | 18.3°C | 12.4°C | 6.5°C | 24.7°C | -3.9°C | 159 mm | 80% | 1.5 m/s | — |
| 1981 | 23.0°C | 17.0°C | 11.0°C | 26.7°C | 2.8°C | 96 mm | 78% | 1.5 m/s | — |
Actual recorded April data for each year, 1981–2025 — sourced from NASA POWER.
The average high in April is around 20.6°C with lows near 8.9°C (mean 14.8°C), based on 45 years of NASA POWER data.
April averages 119 mm of rainfall in Athens, about average for rainfall. The wettest on record was 256 mm in 2011.
The hottest April reached 30.1°C in 1986. The coldest dipped to -5.5°C in 2007.
Comparing the earliest years on record (1981–1985) with the most recent (2021–2025), average April temperatures have risen by about 1.2°C. Daytime highs moved from 19.8°C to 20.9°C and overnight lows from 8.3°C to 9.4°C over the same span.
April is one of the cooler months of the year in Athens and about average for rainfall, so plan for around 20.6°C daytime highs and 8.9°C at night.
Not quite — April is the 6th coolest month in Athens, averaging 14.8°C.
For April in Athens, pack light layers you can adjust through the day, with typical highs of 20.6°C and lows of 8.9°C. Bring an umbrella or light rain jacket too.
Relative humidity in April averages 79% — quite humid.
Average wind speed in April is 1.4 m/s. The windiest April on record averaged 1.8 m/s (2011).
The wettest April on record was 2011 with 256 mm. On average, April sees 119 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 April, 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 April specifically, along with year-by-year records and how the month has changed over the decades.
