Last updated: August 21, 2025
In La Serena, Chile, December showcases a delightful blend of warm weather and low humidity, making it an ideal time to enjoy outdoor activities. The maximum temperature typically reaches a pleasant 27°C (81°F), while the average temperature hovers around a comfortable 17°C (64°F). For those who prefer cooler evenings, the minimum temperature can drop to 10°C (50°F). Impressively, December boasts zero precipitation, ensuring that visitors experience an uninterrupted sun-soaked paradise with days boasting relative humidity at a refreshing 35%. This makes the coastal gem of La Serena an inviting destination for sun-seekers and adventure enthusiasts alike.
In December, La Serena, Chile, experiences a delightful transition into summer, with temperatures ranging from a mild 10°C (50°F) at night to a pleasant average of 17°C (64°F) during the day, peaking at a comfortable 27°C (81°F). This month's climate reflects a gradual warming trend from earlier months, as the city moves away from cooler temperatures, steadily increasing from the cooler averages of late spring. December stands out for its ample sunshine and inviting warmth, making it an ideal time for outdoor activities and beach outings, as the region embraces the full swing of summer.
In La Serena, Chile, December is typically marked by dryness, with the city receiving 0 mm of precipitation and experiencing zero rainy days. This pattern is part of a broader trend observed throughout the summer months, where rain is scarce, leading into a dry January and February. Although the wet season picks up in May and June, December's parched conditions emphasize La Serena's Mediterranean climate, characterized by long, hot, and arid summers. Overall, the lack of rainfall during this month epitomizes the region's sunny disposition, appealing to both residents and visitors seeking to bask in its warmth.
As the year comes to a close in La Serena, Chile, December experiences a notable dip in humidity, dropping to 35%. This decrease contrasts with the warmer months, where humidity levels gradually climbed, peaking in July at 67%. The transition from the dry summer months of January and February to the more humid winter periods reveals a distinct seasonal pattern. December's lower humidity hints at the approach of summer, as the region begins to shake off the dampness of the colder months, highlighting La Serena's unique climate dynamics. Overall, the trend showcases a shift from increased moisture to the dryer, more comfortable conditions that accompany the holiday season.
In December, La Serena experiences an extreme UV Index of 15, marking one of the highest levels of sun exposure for the year, with an incredibly short burn time of just 10 minutes. This trend of high UV readings persists through the summer months, as both January and February also report indices hovering around 15 and 14 respectively. As the year progresses into March with a UV Index of 12, the extreme exposure category remains, emphasizing the need for sun protection. However, as we transition into cooler months, the UV Index gradually decreases, reaching 9 in April, before settling into lower ranges through the winter. This clear seasonal pattern reiterates the importance of vigilance against sun damage, particularly in December. For more details and real-time updates, visit La Serena UV Index.
UV Risk Categories
As December rolls into La Serena, the city basks in its most radiant month, boasting an impressive 407 hours of sunshine. This remarkable peak contrasts sharply with the more subdued light of earlier months, as sunshine hours steadily climb from the 274 hours of June. The trend reveals a gradual increase, culminating in December's vibrant glow that invites locals and tourists alike to enjoy the outdoor beauty. Following the festive spirit of November’s 388 hours, December provides a dazzling farewell to the year, highlighting La Serena’s charm and beckoning visitors to revel in its sun-drenched days.
In La Serena, Chile, December offers a 64% chance of sunny weather, nestled comfortably within a trend of fluctuating sunny days throughout the year. While the sunny likelihood peaks in September (75%) and October (74%), the warm days of January (69%) and February (65%) hint at the summer's vibrant embrace just around the corner. Interestingly, this festive month maintains a notable level of sunshine, outshining the transitional months that precede it, such as April (48%) and November (68%). The December sun isn’t just a bright spot on the calendar; it signals the onset of summer's warmth, making it a delightful time to enjoy La Serena's coastal beauty.
In La Serena, Chile, the daylight duration experiences a captivating shift throughout the year, peaking in December with an impressive 14 hours of daylight. This month marks a highlight in the seasonal cycle, following a gradual increase from 11 hours in April and 10 hours from May to July. As summer approaches, daylight extends significantly in November and December, creating long, sun-soaked days ideal for exploration and outdoor activities. After this peak, daylight begins to wane in the new year, transitioning back to 12 hours in March and gradually decreasing as the colder months arrive. This rhythmic pattern highlights La Serena's enchanting climate, making it a unique destination for those who revel in longer days under the sun.
As December rolls into La Serena, the wind whispers a gentle tune with an average speed of 2.0 m/s (4 mph), mirroring the light breezes felt earlier in the year. Following a gradual decline from the robust gusts of fall, the winds remain steady as they transition from the warm summer days. Notably, December sustains the same velocity as both January and February, suggesting a harmonious introduction to the summer season. While the wind speed peaks at 2.0 m/s in early summer, the overall trend reveals a gentle calming effect as the year closes, creating a serene atmosphere ideal for beach strolls and sunset gazing along the beautiful coastline.
Weather in La Serena varies notably across the year, with each month offering distinct climate conditions. This page compares December’s weather to other months in La Serena, focusing on differences in temperature, rainfall, humidity, and UV levels.
Comparing December and January, both months in La Serena enjoy similar warm temperatures, with December boasting a minimum of 10°C (50°F) and an average of 17°C (64°F), while January sees a slight increase with a minimum of 11°C (53°F) and an average of 19°C (66°F). Both months experience a maximum temperature peaking at 27°C (81°F) and have zero precipitation, leading to perfectly dry days. However, January is slightly more humid, with humidity levels rising from 35% in December to 39%. For more detailed weather insights, you can check La Serena weather in January.
December and February showcase similar maximum temperatures of 27°C (81°F), but February tends to be slightly warmer overall, with an average temperature of 19°C (67°F) compared to December's 17°C (64°F). Additionally, February experiences a higher minimum temperature of 13°C (55°F) versus December's 10°C (50°F). While both months receive minimal precipitation with December having none and February recording just 1 mm (0.0 in), February's humidity is also a bit higher at 40% compared to December's 35%. For more detailed information on February weather, check this link: La Serena weather in February.
In December, La Serena experiences warm temperatures with a minimum of 10°C (50°F) and an average high of 27°C (81°F), all under dry conditions with no recorded precipitation. The humidity hovers around a comfortable 35%, creating a pleasant climate for outdoor activities. In contrast, March sees slightly warmer evenings with a minimum temperature of 11°C (52°F) and an average high of 26°C (80°F). Although precipitation remains minimal at 1 mm, humidity increases to 46%, which can make the air feel a bit more humid. For a closer look at the weather conditions during this month, you can visit La Serena weather in March.
December and April present distinct weather characteristics, showcasing the transition between warmer and cooler conditions. In December, temperatures range from a comfortable minimum of 10°C (50°F) to a pleasant maximum of 27°C (81°F), with an average of 17°C (64°F). The month is notably dry, with no recorded precipitation and a humidity level of 35%. In contrast, April experiences slightly cooler temperatures, with a minimum of 10°C (50°F), an average of 16°C (61°F), and a maximum of 25°C (78°F). While still relatively dry, April does see minimal precipitation (3 mm or 0.1 in) and higher humidity at 50%. For more details about the weather in April, you can visit La Serena weather in April.
In December, the weather is typically warm with temperatures ranging from a low of 10°C (50°F) to a high of 27°C (81°F), accompanied by low humidity at 35% and no recorded precipitation. In contrast, May experiences cooler temperatures, with a minimum of 7°C (45°F) and a maximum of 24°C (76°F), alongside increased humidity at 58% and an average precipitation of 35 mm (1.4 in) over three days. This makes December ideal for outdoor activities without the worry of rain, while May tends to bring a more comfortable, albeit slightly wetter, climate. For a more detailed look at the weather patterns, you can check out La Serena weather in May.
When comparing the weather in December and June, December offers warmer temperatures, with a minimum of 10°C (50°F) and an average of 17°C (64°F), peaking at 27°C (81°F). This month enjoys dry conditions, featuring no recorded precipitation and low humidity at 35%. In contrast, June presents cooler temperatures, with a minimum of 5°C (42°F) and an average of 13°C (55°F), reaching a maximum of 25°C (77°F). This month is characterized by higher humidity at 62% and some precipitation, totaling 28 mm (1.1 in) over 2 days. For more details on the June weather specifically, you can visit La Serena weather in June.
In December, the weather is notably warmer with temperatures ranging from a minimum of 10°C (50°F) to a maximum of 27°C (81°F) and an average of 17°C (64°F). This month experiences no precipitation, resulting in a relatively dry atmosphere with humidity at around 35%. In contrast, July brings cooler conditions, with temperatures ranging from a minimum of 4°C (40°F) to a maximum of 25°C (77°F) and an average of 12°C (54°F). While July sees a slight increase in precipitation with about 4 mm (0.1 in) over one day, the humidity is much higher at 67%. For more details, you can check La Serena weather in July.
In December, the weather is generally warmer and drier compared to August. With minimum temperatures of around 10°C (50°F) and maximums reaching up to 27°C (81°F), days in December tend to be more pleasant and comfortable, complemented by a low humidity of 35%. In contrast, August offers cooler temperatures, with a minimum of 5°C (42°F) and an average of 13°C (55°F), and experiences higher humidity levels at 64%. Although both months see little to no precipitation, August has a slightly higher recorded amount at 3 mm (0.1 in). For more information, check out La Serena weather in August.
In December, the weather is generally warmer, with average temperatures ranging from a minimum of 10°C (50°F) to a maximum of 27°C (81°F) and a relatively low humidity of 35%. In contrast, September experiences cooler temperatures, with a minimum of 7°C (44°F) and a maximum of 29°C (85°F), plus a higher humidity level of 50%. While both months see minimal precipitation, December stands out with absolutely no rainfall recorded, unlike September, which has 1 mm (0.1 in). For more details on September weather, you can check La Serena weather in September.
In comparing the weather between December and October, December boasts warmer average temperatures, ranging from a mild minimum of 10°C (50°F) to a maximum of 27°C (81°F), with zero precipitation and a humidity level of 35%. In contrast, October presents slightly cooler temperatures, with a minimum of 6°C (43°F) and an average of 15°C (59°F), although it has a maximum reaching up to 28°C (83°F). October experiences a bit of rainfall with 1 mm (0.1 in) of precipitation, and a higher humidity level of 48%. For more detailed information on October weather in this region, check out La Serena weather in October.
In December, the weather in La Serena is characterized by slightly warmer temperatures, with an average of 17°C (64°F) compared to November's average of 16°C (61°F). The minimum temperatures are similar, but December enjoys slightly higher maximum temperatures, reaching up to 27°C (81°F), while November can peak at 29°C (85°F). Both months experience dry conditions with no recorded precipitation, yet December has a lower humidity level at 35%, compared to November's 41%, making it feel a bit more comfortable. For a detailed overview of November's weather, you can refer to La Serena weather in November.
In December, La Serena boasts a delightful climate, standing out as a notably dry month with no precipitation at all. With comfortable temperatures averaging around 17°C (64°F) and reaching highs of 27°C (81°F), it offers a perfect escape from the chill of winter experienced in other regions. The low humidity levels of 35% further enhance the pleasantness of the weather, making it an ideal time for outdoor activities and exploration. For those interested in further details about what to expect throughout the year, be sure to check out La Serena Climate.