Mejillones Weather in December

With daytime temperatures of 23°C (73°F) and nighttime lows of 17°C (63°F), December in Mejillones brings high temperatures during the day. The excellent weather makes it an appealing time to visit.

Rainfall in Mejillones in December

Typically, you can expect about 2 days of rain this month, with 2.3 mm (0.1 in) on average. Rain is scarce this month and when it does fall, it tends to be light. Unlikely to disrupt plans significantly.

Temperature in Mejillones in December

Mejillones in December is worth a visit. The temperature is excellent, with 23°C (73°F) during the day and 17°C (63°F) at night. This gives the month a fairly typical daily rhythm, with warmer afternoons and more comfortable nights. With lows of 17°C (63°F), nights are cool. If you're out after dark, an extra layer will keep you comfortable. The cooler air at night is also great for getting a good rest.

Sunshine in Mejillones in December

The month enjoys around 301 hours of sunshine, creating mostly sunny days with good weather conditions.

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For a detailed overview over the year and the best time to visit Chile, check out our Mejillones's climate page.

Mejillones Temperature in December

Min Temperature 17°C (63°F)  

Max Temperature 23°C (73°F)  

Chance of Rain 8%  

Precipitation 2.3 mm (0.1 in)  

Rainy days 2 days  

Humidity 74% *  

Sunshine 301 hours *  

Percentage Sunshine *  

* Data from: Antofagasta, Chile (37 KM, 23 Miles).

What to Wear in Mejillones in December

For Mejillones in December, you'll want flexible clothing. It's wise to pack cotton shirts, comfortable shorts, and a pair of jeans for cooler evenings. A light sweater or jacket is useful for air-conditioned spaces (like buses) or unexpected cool moments. Almost no rain is expected, so no need to bring rain gear. Don't forget sun protection, sunglasses, sunscreen, and a hat. These are all good ideas with this much sunshine.

What To Do in Mejillones in December

We rated the following activities from 1 (least suitable) to 10 (best) to do.

Swimming

10/10

Cycling

10/10

Walking

10/10

Barbeque

9/10

Camping

10/10

Outdoor sports

10/10

Select a Month

Check the conditions for any month of the year.

• January
• February
• March
• April

• May
• June
• July
• August

• September
• October
• November
• December

For a detailed overview over the year and the best time to visit Chile, check out our Mejillones's climate page.

More climate data for Mejillones

Temperature Rainfall Sunshine Humidity

See the full Mejillones climate overview or explore weather in Chile.