October Weather in Athens, United States

Last updated: June 24, 2025

In Athens, United States, the average temperature in October hovers around 19°C (66°F), but be prepared for fluctuations: the minimum can dip to 1°C (34°F), while the maximum can soar to 37°C (98°F). Expect a rainy experience, as precipitation averages 134 mm (5.3 in) over 10 days. With an average humidity of 78%, you’ll feel the moist embrace of this vibrant locale!

October Temperature in Athens

In October in Athens, the average temperature is 19°C (66°F). Maximum temperatures can reach 37°C (98°F), while the minimum can drop as low as 1°C (34°F). Travelers should be prepared for a wide range of temperatures, making a mix of clothing essential for enjoying all that Athens has to offer.

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 19°C (66°F), with highs reaching up to 37°C (98°F) and lows dropping to around 1°C (34°F).

Data source: Temperature data for Athens generated using information from the Copernicus Climate Change Service.

October Precipitation in Athens

In Athens in October, the total precipitation amount reaches 134 mm (5.3 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 134 mm (5.3 inches) of precipitation spread over approximately 10 days.

Data source: Precipitation data for October generated using information from the Copernicus Climate Change Service.

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Millimeters (mm) Inches (in)

October Humidity in Athens

In Athens in October, humidity is 78%. With an average temperature of 19°C (66°F), this humidity feels like a warm, enveloping blanket, making traveling quite uncomfortable unless you're well-prepared with lightweight, breathable clothing and frequent breaks to stay hydrated.

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 78%, offering insight into how humid the weather typically is during this month.

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.

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.
	Temperature	Precipitation	Humidity	UV
January Weather	8°C (46°F)	106 mm (4.2 inches)	86%	moderate
February Weather	11°C (51°F)	140 mm (5.5 inches)	84%	high
March Weather	13°C (56°F)	116 mm (4.6 inches)	83%	very high
April Weather	17°C (63°F)	122 mm (4.8 inches)	81%	very high
May Weather	22°C (71°F)	126 mm (5.0 inches)	81%	extreme
June Weather	25°C (77°F)	113 mm (4.5 inches)	81%	extreme
July Weather	26°C (80°F)	115 mm (4.5 inches)	83%	extreme
August Weather	26°C (79°F)	132 mm (5.2 inches)	81%	very high
September Weather	24°C (75°F)	120 mm (4.7 inches)	82%	very high
October Weather	19°C (66°F)	134 mm (5.3 inches)	78%	very high
November Weather	11°C (53°F)	80 mm (3.1 inches)	86%	high
December Weather	9°C (49°F)	132 mm (5.2 inches)	89%	moderate