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October Weather in Athens, United States

Last updated: June 24, 2025

In October, the average temperature in Athens, United States is a comfortable 21°C (69°F). However, temperatures can vary significantly, ranging from a chilly 1°C (35°F) to a sweltering 36°C (97°F). Expect about 111 mm (4.4 in) of precipitation over approximately 10 days, accompanied by an average humidity level of 72% that adds a touch of warmth to the atmosphere.

October Temperature in Athens

In October in Athens, the average temperature is 21°C (69°F). The maximum can reach 36°C (97°F), and the minimum can be as low as 1°C (35°F). It's advisable to pack for both warm days and cooler nights when traveling during this month.

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

The chart illustrates October 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, October typically has an average temperature of 21°C (69°F), with highs reaching up to 36°C (97°F) and lows dropping to around 1°C (35°F).
JanFebMarAprMayJunJulAugSepOctNovDec485061657481858580695853
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.

October Precipitation in Athens

In Athens in October, the precipitation amount is 111 mm (4.4 in) over a span of 10 days.

October Precipitation Trends in Athens

The chart displays monthly precipitation patterns in Athens, with values for each month alongside October’s data, which is highlighted for easy comparison. It shows the amount of precipitation, providing insights into how October’s conditions compare to those of other months. In Athens, October typically receives around 111 mm (4.4 inches) of precipitation spread over approximately 10 days.
JanFebMarAprMayJunJulAugSepOctNovDec941381221311779279778511169103
Data source: Precipitation data for October generated using information from the Copernicus Climate Change Service.
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October Humidity in Athens

In Athens in October humidity is 72%. With an average temperature of 21°C (69°F), this humidity feels like a warm embrace that can be a bit sticky, making travel slightly uncomfortable but tolerable. It creates a tropical atmosphere, perfect for leisurely strolls in the early morning or late afternoon when the heat is more bearable, though midday excursions may require plenty of water and occasional breaks in the shade.

October Average Humidity in Athens

This chart illustrates the average monthly humidity levels in Athens, with October’s data highlighted for easy comparison. It shows the fluctuation in humidity throughout the year, helping you understand how conditions vary by season. In October, average humidity in Athens is approximately 72%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec80%79%78%78%81%78%73%66%65%72%82%87%
Data source: Humidity data for October generated using information from the Copernicus Climate Change Service.

October UV Index in Athens

In Athens in October, the maximum UV index is 8, which corresponds to a very high Exposure Category. This means that the time to burn is only 15 minutes. For more detailed information, you can refer to the Hourly UV Index in Athens.

Maximum UV Index Levels in Athens for October

The chart shows the monthly maximum UV Index (UVI) for Athens in October, 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 October, the maximum UV index in Athens typically reaches 8, which falls under the very high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec478101111111110864
Data source: Athens October 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 October 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 October’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 October’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather9°C (49°F)94 mm (3.7 inches)80%moderate
February Weather10°C (51°F)138 mm (5.4 inches)79%high
March Weather16°C (61°F)122 mm (4.8 inches)78%very high
April Weather19°C (66°F)131 mm (5.2 inches)78%very high
May Weather23°C (74°F)177 mm (7.0 inches)81%extreme
June Weather27°C (81°F)92 mm (3.6 inches)78%extreme
July Weather29°C (85°F)79 mm (3.1 inches)73%extreme
August Weather29°C (85°F)77 mm (3.0 inches)66%extreme
September Weather26°C (80°F)85 mm (3.4 inches)65%very high
October Weather21°C (69°F)111 mm (4.4 inches)72%very high
November Weather14°C (58°F)69 mm (2.7 inches)82%high
December Weather12°C (53°F)103 mm (4.1 inches)87%moderate

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