March Weather in Mejillones, Chile

Last updated: August 22, 2025

In March, the average temperature in Mejillones, Chile is a pleasant 20°C (68°F), with daily highs reaching up to 25°C (77°F) and lows around 15°C (60°F). Expect minimal precipitation of just 3 mm (0.1 in) over 0 days, making it a great time to explore. The average humidity sits at a comfortable 84%, adding just the right amount of moisture to the air.

March Temperature in Mejillones

In March in Mejillones, the average temperature is 20°C (68°F), with maximums reaching 25°C (77°F) and minimums dropping as low as 15°C (60°F). This mild climate makes Mejillones an ideal destination for travelers seeking pleasant weather.

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

The chart illustrates March 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, March typically has an average temperature of 20°C (68°F), with highs reaching up to 25°C (77°F) and lows dropping to around 15°C (60°F).

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

March Precipitation in Mejillones

In Mejillones in March, the precipitation amount is 3 mm (0.1 in) during a total of 0 days.

March Precipitation Trends in Mejillones

The chart displays monthly precipitation patterns in Mejillones, with values for each month alongside March’s data, which is highlighted for easy comparison. It shows the amount of precipitation, providing insights into how March’s conditions compare to those of other months. In Mejillones, March typically receives around 3 mm (0.1 inches) of precipitation spread over approximately 0 days.

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

Choose your preferred precipitation unit

Millimeters (mm) Inches (in)

March Humidity in Mejillones

In Mejillones in March humidity is 84%. With an average temperature of 20°C (68°F), this humidity feels like a warm, enveloping blanket, making travel a challenge as the air clings to your skin, and every step feels heavier in the mugginess.

March Average Humidity in Mejillones

This chart illustrates the average monthly humidity levels in Mejillones, with March’s data highlighted for easy comparison. It shows the fluctuation in humidity throughout the year, helping you understand how conditions vary by season. In March, average humidity in Mejillones is approximately 84%, offering insight into how humid the weather typically is during this month.

Data source: Humidity data for March generated using information from the Copernicus Climate Change Service.

March UV Index in Mejillones

In Mejillones in March, the maximum UV index reaches 13, which corresponds to an extreme Exposure Category. With a time to burn of just 10 minutes, it's crucial to take protective measures. For detailed information, you can check the Hourly UV Index in Mejillones.

Maximum UV Index Levels in Mejillones for March

The chart shows the monthly maximum UV Index (UVI) for Mejillones in March, 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 March, the maximum UV index in Mejillones typically reaches 13, which falls under the extreme exposure category.

Data source: Mejillones March 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 March 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 March’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 March’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