April Weather in Athens, United States

Last updated: June 24, 2025

In April, the average temperature in Athens, United States hovers around 17°C (63°F), with a range that can dip to a chilly 1°C (33°F) and soar to a warm 30°C (86°F). Expect 122 mm (4.8 in) of precipitation spread over approximately 9 days, resulting in an average humidity level of 81%. Plan your activities accordingly to make the most of the weather!

April Temperature in Athens

In April in Athens, the average temperature is 17°C (63°F), with maximums reaching 30°C (86°F) and minimums dropping as low as 1°C (33°F). This makes it an ideal time for travelers to experience a mix of warm days and cool evenings, perfect for exploring and enjoying outdoor activities.

April Weather in Athens: Daily Temperature Highs, Lows, and Averages

The chart illustrates April temperature patterns in Athens, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Athens, April typically has an average temperature of 17°C (63°F), with highs reaching up to 30°C (86°F) and lows dropping to around 1°C (33°F).
JanFebMarAprMayJunJulAugSepOctNovDec465156637177807975665348
Data source: Temperature data for Athens generated using information from the Copernicus Climate Change Service.
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The average of daily temperatures (24 hours) calculated across all days in the month.

April Precipitation in Athens

In Athens in April, the precipitation amount is 122 mm (4.8 in) over a span of 9 days.

April Precipitation Trends in Athens

The chart displays monthly precipitation patterns in Athens, with values for each month alongside April’s data, which is highlighted for easy comparison. It shows the amount of precipitation, providing insights into how April’s conditions compare to those of other months. In Athens, April typically receives around 122 mm (4.8 inches) of precipitation spread over approximately 9 days.
JanFebMarAprMayJunJulAugSepOctNovDec10614011612212711311513212013580132
Data source: Precipitation data for April generated using information from the Copernicus Climate Change Service.
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April Humidity in Athens

In Athens in April humidity is 81%. With an average temperature of 17°C (63°F), this humidity feels like a warm blanket enveloping you, making travel slightly oppressive and calling for frequent breaks in air-conditioned spaces to recharge and enjoy your journey comfortably.

April Average Humidity in Athens

This chart illustrates the average monthly humidity levels in Athens, with April’s data highlighted for easy comparison. It shows the fluctuation in humidity throughout the year, helping you understand how conditions vary by season. In April, average humidity in Athens is approximately 81%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec86%84%83%81%81%81%83%81%82%78%86%89%
Data source: Humidity data for April generated using information from the Copernicus Climate Change Service.

April UV Index in Athens

In Athens in April, the maximum UV index reaches 10, which corresponds to a very high Exposure Category. With a time to burn of just 15 minutes, it's crucial to take precautions. For more detailed information, you can check the Hourly UV Index in Athens.

Maximum UV Index Levels in Athens for April

The chart shows the monthly maximum UV Index (UVI) for Athens in April, representing the highest UV radiation level. The UVI measures the intensity of ultraviolet radiation from the sun, indicating the potential risk of sunburn and UV-related health issues. In April, the maximum UV index in Athens typically reaches 10, which falls under the very high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec47810111111109864
Data source: Athens April UVI data generated using information from the Copernicus Climate Change Service.

UV Risk Categories

  •  Extreme (11+): Avoid the sun, stay in shade.
  •  Very High (8-10): Limit sun exposure.
  •  High (6-7): Use SPF 30+ and protective clothing.
  •  Moderate (3-5): Midday shade recommended.
  •  Low (0-2): No protection needed.

How April Weather in Athens Compares to Other Months

Weather in Athens varies notably across the year, with each month offering distinct climate conditions. This page compares April’s weather to other months in Athens, focusing on differences in temperature, rainfall, humidity, and UV levels.

This table compares monthly weather conditions in Athens, showing how April’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather8°C (46°F)106 mm (4.2 inches)86%moderate
February Weather11°C (51°F)140 mm (5.5 inches)84%high
March Weather13°C (56°F)116 mm (4.6 inches)83%very high
April Weather17°C (63°F)122 mm (4.8 inches)81%very high
May Weather22°C (71°F)126 mm (5.0 inches)81%extreme
June Weather25°C (77°F)113 mm (4.5 inches)81%extreme
July Weather26°C (80°F)115 mm (4.5 inches)83%extreme
August Weather26°C (79°F)132 mm (5.2 inches)81%very high
September Weather24°C (75°F)120 mm (4.7 inches)82%very high
October Weather19°C (66°F)134 mm (5.3 inches)78%very high
November Weather11°C (53°F)80 mm (3.1 inches)86%high
December Weather9°C (49°F)132 mm (5.2 inches)89%moderate

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