Mejillones Monthly Rainfall & Precipitation

This page shows both the average monthly rainfall and the number of rainy days in Mejillones, Antofagasta Region, Chile. The numbers reflect climate data gathered over a 30-year period, from 1990 to 2020. Now, let's explore all the details to give you a full picture.

Mejillones experiences desert-like conditions in terms of precipitation with almost no rainfall, generally receiving 63 mm (2.5 in) annually.

Monthly Precipitation Levels

The average number of days each month with precipitation (> 0.2 mm (0.01 in))

Despite minor fluctuations, Mejillones enjoys fairly consistent precipitation throughout the year. In June, you can expect around 11 mm (0.4 in) of precipitation, while in February, Mejillones receives about 1.7 mm (0.1 in).

June, the wettest month, has a maximum daytime temperature of 20°C (68°F). The city receives 201 hours of sunshine in this period. During the driest month February you can expect a temperature of 25°C (77°F). For more detailed insights into the city's temperatures, visit our Mejillones Temperature page.

Mejillones's average annual precipitation is 63 mm (2.5 in). Let's compare this to some popular worldwide tourist destinations:

Boston, USA, experiences 1238 mm (49 in) of annual precipitation, including significant snowfall during the winter.

Beijing, China, receives 560 mm (22 in) of annual precipitation, concentrated in the summer months.

Melbourne, Australia, has 690 mm (27 in) of rainfall annually, spread fairly evenly throughout the year.

Singapore, situated near the equator, gets 2581 mm (102 in) of rainfall annually, with no distinct dry season and consistent monthly precipitation.

Precipitation amounts are measured using specific gauges installed at weather stations, collecting both rain and snow and any other type of precipitation. Rainfall is measured directly in millimeters, while that from snow and ice is obtained by melting it. Automated systems often incorporate heaters to make this easier.

Information from these stations is transmitted via Wi-Fi, satellite, GPS, or telephone connections to central monitoring networks. This information is immediately updated and integrated into weather models and forecasts.

• "Ginger" was the longest-lasting Atlantic tropical storm, which spun around the open ocean for 28 days in 1971.
• The world's largest snowflake was recorded in the Guinness Book of Records, at 38 cm (15 inches) wide and 20 cm (7.9 inches) thick. The snowflake fell at Fort Keogh, Montana, USA, on 28 January 1887.
• The greatest snowfall recorded was on Mt. Rainier, Washington State, USA, over 31.5 meters (103 feet) fell during the winter of 1972.

For more detailed information about Mejillones's weather, including sunshine hours, humidity levels, and temperature data, visit our Mejillones Climate page.