May Weather in Mejillones, Chile

Last updated: August 22, 2025

In May, the average temperature in Mejillones, Chile hovers around 17°C (62°F). Expect a minimum of 13°C (56°F) and a maximum of 22°C (71°F). Be prepared for a bit of rain, as precipitation can reach 10 mm (0.4 in) over a single day, and with an average humidity of 80%, a cozy atmosphere is guaranteed!

May Temperature in Mejillones

In May in Mejillones, the average temperature is 17°C (62°F). The maximum can reach 22°C (71°F) while the minimum can drop to as low as 13°C (56°F). This makes Mejillones a comfortable destination for travelers looking to enjoy mild weather.

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

The chart illustrates May 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, May typically has an average temperature of 17°C (62°F), with highs reaching up to 22°C (71°F) and lows dropping to around 13°C (56°F).
JanFebMarAprMayJunJulAugSepOctNovDec696967646260595858606365
Data source: Temperature data for Mejillones 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.

May Precipitation in Mejillones

In Mejillones in May, the precipitation amount is 10 mm (0.4 in) over the course of 1 day.

May Precipitation Trends in Mejillones

The chart displays monthly precipitation patterns in Mejillones, with values for each month alongside May’s data, which is highlighted for easy comparison. It shows the amount of precipitation, providing insights into how May’s conditions compare to those of other months. In Mejillones, May typically receives around 10 mm (0.4 inches) of precipitation spread over approximately 1 days.
JanFebMarAprMayJunJulAugSepOctNovDec42371014141110875
Data source: Precipitation data for May generated using information from the Copernicus Climate Change Service.
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May Humidity in Mejillones

In Mejillones in May, humidity is 80%. With an average temperature of 17°C (62°F), this humidity feels like a heavy blanket wrapping around you, making travel sticky and uncomfortable, and often leaving you longing for a refreshing breeze.

May Average Humidity in Mejillones

This chart illustrates the average monthly humidity levels in Mejillones, with May’s data highlighted for easy comparison. It shows the fluctuation in humidity throughout the year, helping you understand how conditions vary by season. In May, average humidity in Mejillones is approximately 80%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec83%84%84%83%80%79%77%75%77%77%79%78%
Data source: Humidity data for May generated using information from the Copernicus Climate Change Service.

May UV Index in Mejillones

In Mejillones in May, 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 Mejillones.

Maximum UV Index Levels in Mejillones for May

The chart shows the monthly maximum UV Index (UVI) for Mejillones in May, 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 May, the maximum UV index in Mejillones typically reaches 8, which falls under the very high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec15151310867911141415
Data source: Mejillones May 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 May 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 May’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 May’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather20°C (69°F)4 mm (0.1 inches)83%extreme
February Weather21°C (69°F)1 mm (0.1 inches)84%extreme
March Weather20°C (68°F)3 mm (0.1 inches)84%extreme
April Weather18°C (65°F)7 mm (0.3 inches)83%very high
May Weather17°C (62°F)10 mm (0.4 inches)80%very high
June Weather16°C (60°F)13 mm (0.5 inches)79%high
July Weather15°C (59°F)14 mm (0.5 inches)77%high
August Weather15°C (59°F)11 mm (0.4 inches)75%very high
September Weather15°C (59°F)10 mm (0.4 inches)77%extreme
October Weather15°C (60°F)8 mm (0.3 inches)77%extreme
November Weather17°C (63°F)6 mm (0.3 inches)79%extreme
December Weather19°C (66°F)5 mm (0.2 inches)78%extreme

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