April is one of the cooler months of the year in Athens, with average highs near 22.5°C and lows around 9.5°C (mean 16°C). It is one of the drier months, averaging 95 mm of rainfall and 78% 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 19.1°C — while the coldest was 1983 at 13°C. Typical April days reach 22.5°C with nights near 9.5°C. The long-term trend is warming, about 0.5°C per decade.
April is one of the drier months in Athens, averaging 95 mm of rainfall. The wettest April on record was 1998 with 235 mm, while the driest was 1986 at 27 mm.
Relative humidity in Athens during April averages 78%. The most humid April was 1991 at 84%, and the least humid was 1986 at 65%.
April receives about 5.6 kWh/m²/day of solar energy in Athens. The sunniest April was 2010 at 6.3 kWh/m²/day, and the cloudiest was 1984 at 4.2.
Average wind speed in Athens during April is 0.1 m/s. The windiest Aprils were 2018, 2022 and 2023, among others at 0.2 m/s, while the calmest were 2021, 2024 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 | 15.1°C | 15.4°C | 16.2°C | 16.9°C | 16.5°C | +1.4°C |
| Avg High | 21.7°C | 21.9°C | 22.8°C | 23.3°C | 23.2°C | +1.5°C |
| Avg Low | 8.6°C | 9.0°C | 9.6°C | 10.5°C | 9.8°C | +1.2°C |
| Avg Rain | 98 mm | 97 mm | 73 mm | 106 mm | 104 mm | +6 mm |
April temperatures in Athens have risen by about 1.6°C between 1981–1985 and 2021–2025.
April has ranged from a record low of -4.5°C (2007) to a record high of 35.2°C (1986).
Rainfall in April is one of the drier months, averaging 95 mm, with a wettest year of 235 mm.
A good time to visit Athens
April is a good time to visit Athens, with days averaging 22.5°C and nights around 9.5°C (mean 16°C, close to Athens's yearly average) and higher rainfall. May and September 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 | 25.6°C | 18.7°C | 11.8°C | 31.5°C | 2.7°C | 99 mm | 75% | 0.1 m/s | 5.8 |
| 2024 | 23.9°C | 17.4°C | 11.0°C | 32.1°C | 2.3°C | 74 mm | 78% | 0.1 m/s | 5.8 |
| 2023 | 22.7°C | 16.2°C | 9.7°C | 29.1°C | 2.9°C | 145 mm | 79% | 0.2 m/s | 5.4 |
| 2022 | 22.8°C | 15.6°C | 8.5°C | 28.2°C | 0.6°C | 115 mm | 76% | 0.2 m/s | 5.7 |
| 2021 | 22.4°C | 15.7°C | 8.9°C | 28.3°C | -1.7°C | 60 mm | 74% | 0.1 m/s | 6.2 |
| 2020 | 22.0°C | 15.4°C | 8.7°C | 27.2°C | 2.7°C | 129 mm | 78% | 0.1 m/s | 6 |
| 2019 | 23.6°C | 17.2°C | 10.8°C | 29.6°C | 1.8°C | 114 mm | 80% | 0.1 m/s | 5.7 |
| 2018 | 20.9°C | 14.2°C | 7.5°C | 26.2°C | -0.4°C | 120 mm | 76% | 0.2 m/s | 5.6 |
| 2017 🔥 | 25.4°C | 19.1°C | 12.8°C | 30.2°C | 2.5°C | 151 mm | 77% | 0.1 m/s | 5.6 |
| 2016 | 22.4°C | 16.2°C | 9.9°C | 31.4°C | 1.3°C | 52 mm | 77% | 0.1 m/s | 6 |
| 2015 | 23.2°C | 17.6°C | 12.0°C | 28.7°C | 4.4°C | 158 mm | 82% | 0.1 m/s | 4.8 |
| 2014 | 22.0°C | 16.0°C | 10.0°C | 27.4°C | 0.0°C | 130 mm | 81% | 0.1 m/s | 5.4 |
| 2013 | 21.8°C | 15.6°C | 9.4°C | 28.9°C | 3.1°C | 124 mm | 81% | 0.1 m/s | 5.5 |
| 2012 | 24.9°C | 18.2°C | 11.5°C | 33.0°C | 2.6°C | 44 mm | 73% | 0.1 m/s | 5.9 |
| 2011 | 24.3°C | 17.4°C | 10.5°C | 30.0°C | 1.7°C | 93 mm | 78% | 0.1 m/s | 6.1 |
| 2010 | 24.2°C | 17.3°C | 10.4°C | 29.1°C | 4.3°C | 69 mm | 78% | 0.1 m/s | 6.3 |
| 2009 | 21.6°C | 15.2°C | 8.8°C | 29.8°C | -0.9°C | 113 mm | 80% | 0.1 m/s | 5.5 |
| 2008 | 22.0°C | 15.7°C | 9.3°C | 27.5°C | 2.0°C | 83 mm | 79% | 0.1 m/s | 5.4 |
| 2007 | 21.6°C | 14.7°C | 7.9°C | 30.6°C | -4.5°C | 45 mm | 72% | 0.2 m/s | 5.8 |
| 2006 | 24.8°C | 18.1°C | 11.3°C | 29.5°C | 4.1°C | 60 mm | 76% | 0.1 m/s | 5.8 |
| 2005 | 21.1°C | 14.9°C | 8.7°C | 26.6°C | 1.9°C | 109 mm | 80% | 0.1 m/s | 5.6 |
| 2004 | 24.2°C | 16.6°C | 9.1°C | 32.9°C | 2.0°C | 42 mm | 68% | 0.2 m/s | 6 |
| 2003 | 22.4°C | 16.4°C | 10.4°C | 28.2°C | 2.0°C | 108 mm | 83% | 0.1 m/s | 4.9 |
| 2002 | 25.0°C | 18.6°C | 12.1°C | 32.1°C | 2.5°C | 48 mm | 75% | 0.2 m/s | 5.3 |
| 2001 | 23.3°C | 16.9°C | 10.4°C | 32.5°C | 0.7°C | 47 mm | 79% | 0.1 m/s | 5.7 |
| 2000 | 21.6°C | 14.6°C | 7.6°C | 28.5°C | 0.1°C | 76 mm | 76% | 0.1 m/s | 5.2 |
| 1999 | 24.0°C | 17.8°C | 11.6°C | 31.9°C | 3.0°C | 46 mm | 76% | 0.1 m/s | 5.3 |
| 1998 🌧️ | 21.1°C | 15.2°C | 9.3°C | 25.6°C | 2.9°C | 235 mm | 83% | 0.1 m/s | 4.8 |
| 1997 | 20.5°C | 13.9°C | 7.2°C | 25.2°C | 0.6°C | 130 mm | 77% | 0.1 m/s | 5.8 |
| 1996 | 20.6°C | 14.0°C | 7.4°C | 26.9°C | -1.0°C | 99 mm | 78% | 0.1 m/s | 5.7 |
| 1995 | 22.9°C | 16.2°C | 9.4°C | 28.6°C | 1.3°C | 73 mm | 79% | 0.1 m/s | 5.5 |
| 1994 | 24.1°C | 17.2°C | 10.3°C | 31.1°C | 2.4°C | 82 mm | 78% | 0.1 m/s | 5.9 |
| 1993 | 19.6°C | 13.1°C | 6.6°C | 25.9°C | -1.5°C | 73 mm | 78% | 0.1 m/s | 5.6 |
| 1992 | 21.4°C | 14.8°C | 8.2°C | 27.7°C | -3.0°C | 40 mm | 78% | 0.1 m/s | 5.5 |
| 1991 | 23.1°C | 17.5°C | 12.0°C | 29.3°C | 2.4°C | 139 mm | 84% | 0.1 m/s | 4.8 |
| 1990 | 21.4°C | 14.6°C | 7.9°C | 27.8°C | -0.9°C | 56 mm | 78% | 0.1 m/s | 6 |
| 1989 | 21.3°C | 15.1°C | 8.9°C | 29.0°C | -0.3°C | 124 mm | 80% | 0.2 m/s | 5.4 |
| 1988 | 21.8°C | 15.2°C | 8.5°C | 28.7°C | 2.3°C | 125 mm | 77% | 0.1 m/s | 4.9 |
| 1987 | 20.3°C | 13.8°C | 7.3°C | 28.7°C | -3.9°C | 36 mm | 79% | 0.1 m/s | 5.9 |
| 1986 | 24.7°C | 16.7°C | 8.7°C | 35.2°C | -0.6°C | 27 mm | 65% | 0.1 m/s | 6.2 |
| 1985 | 23.1°C | 16.1°C | 9.2°C | 29.9°C | -0.9°C | 59 mm | 72% | 0.2 m/s | 5.9 |
| 1984 | 20.2°C | 14.6°C | 9.1°C | 28.6°C | 3.6°C | 146 mm | 83% | 0.1 m/s | 4.2 |
| 1983 ❄️ | 19.4°C | 13.0°C | 6.5°C | 25.3°C | -4.0°C | 137 mm | 81% | 0.1 m/s | — |
| 1982 | 19.5°C | 13.9°C | 8.4°C | 25.3°C | -3.0°C | 168 mm | 80% | 0.1 m/s | — |
| 1981 | 25.0°C | 17.9°C | 10.8°C | 30.5°C | 3.1°C | 58 mm | 75% | 0.1 m/s | — |
Actual recorded April data for each year, 1981–2025 — sourced from NASA POWER.
The average high in April is around 22.5°C with lows near 9.5°C (mean 16°C), based on 45 years of NASA POWER data.
April averages 95 mm of rainfall in Athens, one of the drier months. The wettest on record was 235 mm in 1998.
The hottest April reached 35.2°C in 1986. The coldest dipped to -4.5°C in 2007.
Comparing the earliest years on record (1981–1985) with the most recent (2021–2025), average April temperatures have risen by about 1.6°C. Daytime highs moved from 21.4°C to 23.5°C and overnight lows from 8.8°C to 10°C over the same span.
April is one of the cooler months of the year in Athens and one of the drier months, so plan for around 22.5°C daytime highs and 9.5°C at night.
Not quite — April is the 6th coolest month in Athens, averaging 16°C.
For April in Athens, pack light layers you can adjust through the day, with typical highs of 22.5°C and lows of 9.5°C. Bring an umbrella or light rain jacket too.
Relative humidity in April averages 78% — quite humid.
Average wind speed in April is 0.1 m/s. The windiest April on record averaged 0.2 m/s (1985).
The wettest April on record was 1998 with 235 mm. On average, April sees 95 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.
