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Mejillones, Chile
Antofagasta · Chile
Mejillones is a small city in Antofagasta, Chile with a population of 14,084. Elevation: 43 ft (13 m). Average temperature: 65°F (18°C).
Data updated June 2026
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About Mejillones
Mejillones is a Chilean port city and commune in Antofagasta Province in the Antofagasta Region. It is situated in the northern side of the Mejillones Peninsula, 60 km north of the city of Antofagasta. It has 14,084 inhabitants.
People
Climate
| Population | 14,084 |
| Population Density | 7 / sq mi |
| Elevation | 43 ft (13 m) |
| Coordinates | -23.1000°, -70.4470° |
| Timezone | America/Santiago |
| Country | 🇨🇱 Chile |
| State / Province | Antofagasta |
| Average Temperature | 65°F (18°C) |
| January Average | 72°F (22°C) |
| July Average | 59°F (15°C) |
| Annual Precipitation | 0.2 inches (4 mm) |
| Annual Snowfall | 0.0 inches (0 cm) |
About Mejillones
Mejillones is a small city in Chile (Antofagasta) with a population of 14,084. The city sits at an elevation of 43 feet (13 meters) above sea level. The average annual temperature is 65°F (18°C). Temperatures range from 72°F in January to 59°F in July. Annual precipitation averages 0.2 inches. The timezone is America/Santiago.
Climate in Mejillones
Mejillones has an average annual temperature of 17.7°C (64°F). The hottest month is Feb (21°C), the coldest is Sep (15.3°C). Average annual precipitation is 11 mm.
Temperature
| Annual Average | 64.9°F |
| 20% above Chile avg | |
| January Average | 72°F (22°C) |
| July Average | 59°F (15°C) |
| Sunny Days | 336 days/yr |
Geography
| Elevation | 43 ft (13 m) |
| Area | 1,911.0 sq mi (4,949.6 km²) |
| Population Density | 7/sq mi |
| Coordinates | -23.1000°N, 70.4470°W |
| Timezone | America/Santiago |
Precipitation & Snow
Air Quality
Tsunami History
3 tsunamis recorded within 500 km. Highest wave on record: 3.0 m (10 ft).
| Year | Location | Cause | Max Wave | Deaths | Distance |
| 1995 | NORTHERN CHILE | Earthquake | 3.0 m | 3 | 31 km |
| 2007 | NORTHERN CHILE | Earthquake | 0.3 m | 2 | 111 km |
| 1987 | NORTHERN CHILE | Earthquake | 0.2 m | 1 | 146 km |
Monthly Weather
| Month | Avg Temperature | Precipitation | Summary |
|---|---|---|---|
| January | 72°F (22°C) | 0.0 in | Warmest, Driest |
| February | 72°F (22°C) | 0.0 in | |
| March | 69°F (21°C) | 0.0 in | |
| April | 66°F (19°C) | 0.0 in | |
| May | 63°F (17°C) | 0.0 in | |
| June | 60°F (15°C) | 0.1 in | Wettest |
| July | 59°F (15°C) | 0.0 in | Coldest |
| August | 59°F (15°C) | 0.0 in | |
| September | 61°F (16°C) | 0.0 in | |
| October | 63°F (17°C) | 0.0 in | |
| November | 66°F (19°C) | 0.0 in | |
| December | 69°F (21°C) | 0.0 in |
Mejillones has a seasonal temperature swing of 13°F / from 59°F in July to 72°F in January. Total annual precipitation is 0.2 inches, with June being the wettest month (0.1") and January the driest (0.0").
Colleges & Universities in Mejillones
| Institution | Type | Founded | Website |
|---|---|---|---|
| Instituto Profesional IPG Sede Mejillones | University | — | — |
Schools in Mejillones
7 public schools (NCES 2022-23 data).
| School | Level | Enrollment | Teachers | Student/Teacher |
|---|---|---|---|---|
| Escuela E19 | — | — | — | — |
| Soc Educacional San Sebastian | — | — | — | — |
| Colegio María Angélica Elizondo Briceño | — | — | — | — |
| Colegio Juan Jose Latorre Benavente | — | — | — | — |
| Escuela Básica Julia Herrera Varas | — | — | — | — |
| Escuela De Parvulos San Luciano | — | — | — | — |
| Escuela Especial San Sebastian | — | — | — | — |
Radio Stations near Mejillones
0 stations within ~55 km.
| Station | Genre | Quality |
|---|
Museums in Mejillones
| Name | Type | Address | Phone | Annual Revenue |
|---|---|---|---|---|
| Museo Histórico y Natural de Mejillones "Raúl Mavrakis Morales" |
Hotels in Mejillones
4 hotels within city radius — OpenStreetMap data
Restaurants in Mejillones
7 restaurants within city radius — OpenStreetMap data
Theatres in Mejillones
1 theatres within city radius — OpenStreetMap data
Train Stations in Mejillones
1 train stations within city radius — OpenStreetMap data
Gas Stations in Mejillones
2 gas stations within city radius — OpenStreetMap data
Banks in Mejillones
1 banks within city radius — OpenStreetMap data
Airports Near Mejillones
2 airports within the area.
| Airport | IATA | Type |
|---|---|---|
| Andrés Sabella Gálvez International Airport | ANF | Large Airport |
| Carolina Airport | — | Small Airport |
Post Offices in Mejillones
2 post offices.
| Post Office | Address |
|---|---|
| Chilexpress | |
| Pullman Go |
Churches & Religious Organizations in Mejillones
1 religious organizations (IRS tax-exempt data).
| Name | Address |
|---|---|
| Iglesia |
Explore Near Mejillones
Quick Facts
🇨🇱 About Chile
Public Holidays in Chile
17 public holidays this year
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Get ReportFrequently Asked Questions About Mejillones
What is the population of Mejillones?
Mejillones has a population of 14,084 residents and is located in Chile. The population density is 7 people per square mile, spread across 1,911.0 square miles.
What is the weather like in Mejillones?
Mejillones enjoys a temperate climate with an average annual temperature of 65°F (18°C). Winter temperatures average 72°F in January, while summers reach an average of 59°F in July. The area receives 336 sunny days per year, well above the national average of 205. Annual rainfall totals 0.2 inches.