October Weather in Mejillones, Chile

Last updated: August 22, 2025

In October, the average temperature in Mejillones, Chile hovers around 15°C (60°F), making it a pleasant time of year. Expect a minimum of 13°C (55°F) and a maximum of 20°C (67°F). The region experiences light precipitation, totaling only 8 mm (0.3 in) spread over 0 days, while the air remains comfortably humid with an average humidity of 77%. Enjoy the mild and inviting climate!

October Temperature in Mejillones

In October in Mejillones, the average temperature is 15°C (60°F). Maximums can reach 20°C (67°F), while minimums can drop to as low as 13°C (55°F). This mild weather makes Mejillones an ideal destination for outdoor activities and exploration during this time.

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

The chart illustrates October temperature patterns in Mejillones, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Mejillones, October typically has an average temperature of 15°C (60°F), with highs reaching up to 20°C (67°F) and lows dropping to around 13°C (55°F).

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

October Precipitation in Mejillones

In Mejillones in October, the precipitation amount is 8 mm (0.3 in) during a span of 0 days.

October Precipitation Trends in Mejillones

The chart displays monthly precipitation patterns in Mejillones, 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 Mejillones, October typically receives around 8 mm (0.3 inches) of precipitation spread over approximately 0 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 Mejillones

In Mejillones in October, humidity is 77%. With an average temperature of 15°C (60°F), this humidity feels like you're wading through a warm, heavy blanket, making travel feel more exhausting and sticky than usual.

October Average Humidity in Mejillones

This chart illustrates the average monthly humidity levels in Mejillones, 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 Mejillones is approximately 77%, 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 Mejillones

In Mejillones in October, the maximum UV index is 14, which corresponds to an extreme Exposure Category. The time to burn is just 10 minutes, so it's crucial to take precautions. For the detailed hourly UV index in Mejillones, you can check here.

Maximum UV Index Levels in Mejillones for October

The chart shows the monthly maximum UV Index (UVI) for Mejillones 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 Mejillones typically reaches 14, which falls under the extreme exposure category.

Data source: Mejillones 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 Mejillones Compares to Other Months

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

This table compares monthly weather conditions in Mejillones, showing how October’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	20°C (69°F)	4 mm (0.1 inches)	83%	extreme
February Weather	21°C (69°F)	1 mm (0.1 inches)	84%	extreme
March Weather	20°C (68°F)	3 mm (0.1 inches)	84%	extreme
April Weather	18°C (65°F)	7 mm (0.3 inches)	83%	very high
May Weather	17°C (62°F)	10 mm (0.4 inches)	80%	very high
June Weather	16°C (60°F)	13 mm (0.5 inches)	79%	high
July Weather	15°C (59°F)	14 mm (0.5 inches)	77%	high
August Weather	15°C (59°F)	11 mm (0.4 inches)	75%	very high
September Weather	15°C (59°F)	10 mm (0.4 inches)	77%	extreme
October Weather	15°C (60°F)	8 mm (0.3 inches)	77%	extreme
November Weather	17°C (63°F)	6 mm (0.3 inches)	79%	extreme
December Weather	19°C (66°F)	5 mm (0.2 inches)	78%	extreme