Last updated: June 24, 2025
In Athens, United States, the average temperature in April hovers around 5°C (42°F), with extreme variations ranging from a frigid -20°C (-3°F) to a mild 26°C (79°F). Prepare for a fair share of rain, as the area receives approximately 99 mm (3.9 in) of precipitation spread over 12 days. Additionally, the air maintains a high average humidity of 85%, contributing to the region's unique atmosphere.
In April in Athens, the average temperature is 5°C (42°F), with maximums reaching 26°C (79°F) and minimums dropping as low as -20°C (-3°F). This diverse temperature range means that travelers should be prepared for a mix of mild days and potentially cold nights.
In Athens in April, the total precipitation amount is 99 mm (3.9 in) recorded over a span of 12 days.
In Athens in April, humidity is 85%. With an average temperature of 5°C (42°F), this humidity feels like a damp chill that clings to your skin, making outdoor activities uncomfortable and requiring extra layers to stay warm while exploring.
In Athens in April, the maximum UV index is 7, which corresponds to the high Exposure Category. This means that the time to burn is approximately 25 minutes. For more detailed information, you can check the Hourly UV Index in Athens.
UV Risk Categories
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.
| Temperature | Precipitation | Humidity | UV | |
|---|---|---|---|---|
| January Weather | -9°C (17°F) | 34 mm (1.3 inches) | 88% | low |
| February Weather | -9°C (17°F) | 51 mm (2.0 inches) | 89% | moderate |
| March Weather | -1°C (31°F) | 53 mm (2.1 inches) | 86% | moderate |
| April Weather | 5°C (42°F) | 99 mm (3.9 inches) | 85% | high |
| May Weather | 14°C (57°F) | 114 mm (4.5 inches) | 79% | very high |
| June Weather | 19°C (67°F) | 105 mm (4.1 inches) | 80% | very high |
| July Weather | 22°C (71°F) | 126 mm (5.0 inches) | 80% | very high |
| August Weather | 19°C (67°F) | 131 mm (5.1 inches) | 78% | very high |
| September Weather | 16°C (61°F) | 88 mm (3.5 inches) | 80% | high |
| October Weather | 8°C (47°F) | 114 mm (4.5 inches) | 84% | moderate |
| November Weather | 0°C (32°F) | 50 mm (2.0 inches) | 89% | moderate |
| December Weather | -5°C (23°F) | 52 mm (2.1 inches) | 85% | low |