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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.Our weather planner can help you explore other travel destinations worldwide.
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).
Mejillones Weather by Month
Pick a month to see the average temperature, rainfall and sunshine in Mejillones - and find the best time to visit.
Best Places in Chile in December
Find out more about the weather in Chile and which places have the best travel conditions in this month. See all of Chile in December →
perfect weather
pleasant
tolerable
unpleasant
poor
Perfect weather is subjective. On this map perfect weather has been defined with temperatures between 20°C (68°F) and 29°C (84°F) and not too much precipitation (less than 90 mm (3.5 in) a month).
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.
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Swimming10/10 -
Cycling10/10 -
Walking10/10 -
Barbeque9/10 -
Camping10/10 -
Outdoor sports10/10
Mejillones 3-Day Forecast
More climate data for Mejillones
Temperature Rainfall Sunshine Humidity
See the full Mejillones climate overview or explore weather in Chile.
Popular in December
Where to go in December - average daytime high across popular destinations.
Santiago
26°C (79°F) San Pedro de Atacama
25°C (77°F) La Serena
23°C (73°F) Hanga Roa24°C (75°F) Viña del Mar20°C (68°F) Pucón
19°C (66°F) Valparaíso19°C (66°F) Bucket list
Need travel inspiration? Check out our bucket list articles and be inspired.
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