Last updated: August 27, 2025
December in La Merced, Peru offers a captivating blend of weather characteristics. With a maximum temperature reaching 26°C (79°F) and an average of 18°C (65°F), the month boasts a warm yet comfortable climate. However, residents and visitors should prepare for a wet experience, as December sees an impressive 431 mm (17.0 in) of precipitation over 29 days, contributing to a humidity level that hovers around an inviting 90%. This combination of warmth and moisture paints a vibrant backdrop for the lush landscapes typical of this enchanting region.
In December, La Merced, Peru experiences a delightful blend of temperatures that beckon both locals and visitors alike. With minimums around 13°C (57°F), the nights are pleasantly cool, while the days warm up to a comfortable maximum of 26°C (79°F). This consistency is characteristic of La Merced’s climate, which maintains an average temperature of 18°C (65°F) throughout the year. December's weather is perfect for exploring the lush landscapes and vibrant culture, as it remains just mild enough to enjoy outdoor adventures without the heat becoming overwhelming. As the year wraps up, the gentle rise in temperatures hints at the imminent approach of summer, making it an ideal month to soak in the beauty of this enchanting region.
In December, La Merced experiences a significant precipitation event, accumulating 431 mm (17.0 in) of rain over 29 days. This marks a slight decrease from the peak seen in February, yet it remains notably high, characteristic of the region's wet season. As the year winds down, these rainfall patterns continue to underscore the transition from lighter showers in the earlier months to more consistent downpours, highlighting a clear trend of escalating rainfall through the end of the year. This December deluge nourishes the lush, biodiverse landscape of La Merced, ensuring its vibrant ecosystem thrives as it enters the new year.
December in La Merced, Peru, experiences a return to high humidity levels, peaking at 90%, which is characteristic of the earlier months in the year. This is part of a notable trend where the humidity remains consistently elevated from January through March, with slight fluctuations in the following months. After a gradual decline during the middle of the year, where humidity dips to its lowest point at just 38% in August, the environment becomes more humid again as the year closes. This seasonal rise in December sets the stage for a lush and vibrant landscape, echoing the wet conditions of the preceding months and highlighting La Merced’s unique climate patterns.
In December, La Merced, Peru, maintains an extreme UV Index of 16, indicating that sun exposure should be approached with caution. The region's UV levels follow a consistent trend throughout the year, with high values peaking at 17 from January to March and again in November, signaling the need for protective measures against skin damage. As we transition into December, the UV index slightly decreases, yet the burn time remains critically low at just 10 minutes. This pattern underscores the importance of sun safety practices year-round. For detailed insights throughout the year, check out La Merced UV Index.
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In La Merced, Peru, December welcomes a delightful amount of sunshine with 250 hours of radiant light. This marks a slight dip from the sunniest months of July and August, which enjoy 323 and 329 hours, respectively. The trend shows a remarkable increase in sunlight from January's 193 hours to a peak in May with 319 hours, illustrating a gradual buildup of warmth as the months progress toward the summer. Overall, December's sunshine offers a pleasant continuation of the festive season, complementing the vibrant natural beauty that La Merced is renowned for, while still providing plenty of opportunities to bask in the sun's glow before the months of lesser light approach.
In La Merced, Peru, the likelihood of sunny weather shows an intriguing trend as the year progresses. Following a particularly gloomy November, which only offers a fleeting 5% chance of sun, December's prospects improve slightly, reaching 9%. However, this remains on the lower end of the spectrum, especially compared to the more vibrant months like May, where sunny days surge to 42%, and July, boasting a significant 59%. As the rainy season looms, sun-seekers should prepare for limited opportunities in December, making it a time for cozy indoor activities rather than basking in sunlight.
In La Merced, Peru, the daylight duration exhibits a captivating rhythm throughout the year. From January to March, the city enjoys a consistent 12 hours of daylight, basking in the splendor of sunlight. As the year progresses into April, daylight slightly diminishes to 11 hours, a trend that continues through the middle of the year until August. However, this seasonal ebb reverses in September, when daylight extends again to 12 hours, echoing the brightness of earlier months. With October and November maintaining this generous allowance of light, December concludes the year on a high note, once again offering 12 hours of radiant sunshine. This cyclical pattern highlights La Merced’s unique position near the equator, fostering a balance between light and shadow throughout the seasons.
As December unfurls in La Merced, Peru, the wind maintains a gentle presence with an average speed of 1.0 m/s (2 mph), consistent with the trend observed throughout the year. From the start of the year to this festive month, the wind speed remains fairly stable, oscillating only slightly between 0.9 m/s in March and 1.2 m/s in August, showcasing a tranquil atmosphere that enhances the serene beauty of the region. The gradual increase observed in the mid-year months, particularly in July and August, where speeds reach 1.1 m/s (3 mph), hints at a seasonal breeze that whispers through the lush landscapes. However, as the year winds down, the comforting constancy of December's winds offers a peaceful respite, perfect for reflecting on the year that has passed while embracing the warmth of community during the holiday season.
Weather in La Merced varies notably across the year, with each month offering distinct climate conditions. This page compares December’s weather to other months in La Merced, focusing on differences in temperature, rainfall, humidity, and UV levels.
In December, temperatures in La Merced range from a minimum of 13°C (57°F) to a maximum of 26°C (79°F), with an average of 18°C (65°F). The month experiences significant rainfall, totaling 431 mm (17.0 in) over 29 days, with humidity levels around 90%. Conversely, January sees slightly cooler minimum temperatures at 12°C (54°F) but a marginally higher maximum of 27°C (81°F). Precipitation increases to 485 mm (19.1 in) but occurs over just 24 days, with humidity rising to 91%. For a more detailed overview, you can check La Merced weather in January.
In both December and February, the temperatures remain quite similar, with minimums around 13°C (56-57°F), average highs at about 18°C (64-65°F), and maximums reaching up to 26°C (79°F). However, February experiences slightly more precipitation, totaling 513 mm (20.2 in) compared to December's 431 mm (17.0 in), despite having one less rainy day. The humidity levels are consistently high at 90% in both months, contributing to a damp atmosphere. For a closer look at February's conditions, you can explore La Merced weather in February.
In December, temperatures in La Merced range from a minimum of 13°C (57°F) to a maximum of 26°C (79°F), with an average of 18°C (65°F). The month sees significant rainfall, with a total precipitation of 431 mm (17.0 in) spread over 29 days, resulting in high humidity levels around 90%. In contrast, March experiences slightly cooler temperatures, with a minimum of 12°C (54°F) and a maximum of 25°C (78°F), while maintaining the same average of 18°C (65°F). Precipitation in March totals 404 mm (15.9 in), also spread across 29 days, and humidity levels remain high at 91%. For a more detailed look at the weather in March, you can visit La Merced weather in March.
December and April present a striking contrast in their weather patterns, despite sharing similar average high temperatures of 26°C (79°F). December tends to be warmer at night, with a minimum temperature of 13°C (57°F), compared to April's cooler night-time low of 9°C (49°F). Moreover, December experiences significantly higher precipitation, with 431 mm (17.0 in) over 29 days, while April sees a reduction to 236 mm (9.3 in) across 26 days. Humidity levels remain comparable, at 90% in December and 89% in April, creating a consistently moist environment throughout these months. For more detailed insights into April weather, you can check La Merced weather in April.
December and May present distinct weather patterns. In December, temperatures range from a minimum of 13°C (57°F) to a maximum of 26°C (79°F), with an average of 18°C (65°F). The month sees significant rainfall, totaling 431 mm (17.0 in) across 29 days, accompanied by high humidity levels of 90%. In contrast, May experiences cooler temperatures, with a minimum of 8°C (46°F), an average of 17°C (64°F), and a maximum of 25°C (77°F). Precipitation is considerably lower in May, with only 119 mm (4.7 in) spread over 24 days, and humidity is slightly reduced at 85%. For more details, refer to La Merced weather in May.
In December, La Merced experiences warmer temperatures with an average of 18°C (65°F) and maximum highs reaching 26°C (79°F). The month is notably wet, with a high precipitation of 431 mm (17.0 in) over 29 days, accompanied by high humidity levels of 90%. In contrast, June brings cooler weather, featuring an average temperature of 17°C (63°F) that peaks at a maximum of 25°C (77°F). Precipitation significantly decreases to 99 mm (3.9 in) over 16 days, and humidity drops to a more comfortable 65%. These differences highlight how December is marked by both warmth and dampness, while June offers a somewhat milder and drier climate. For more detailed information, visit La Merced weather in June.
In contrast to December, which experiences a warmer climate with temperatures ranging from a minimum of 13°C (57°F) to a maximum of 26°C (79°F), July's weather is noticeably cooler, featuring a minimum of 7°C (45°F) and a maximum of 24°C (76°F). December is also significantly wetter, receiving 431 mm (17.0 in) of precipitation over 29 days, while July offers a much drier experience with only 60 mm (2.4 in) of rain spread across 11 days. Additionally, humidity levels peak at a high 90% in December, making it feel quite muggy, in stark contrast to the more comfortable 47% humidity of July. For more specific information about the weather in July, you can visit La Merced weather in July.
In December, the weather is warmer with average temperatures ranging from 13°C (57°F) at night to a high of 26°C (79°F) during the day, while August sees cooler temperatures, with a minimum of 7°C (45°F) and a maximum of 25°C (77°F), reflecting an average of 17°C (62°F). December is significantly wetter, receiving 431 mm (17.0 in) of precipitation over 29 days, compared to August's 66 mm (2.6 in) over just 14 days. Additionally, the humidity levels in December are quite high at 90%, creating a more muggy atmosphere, whereas August experiences much drier conditions with humidity at 38%. For those interested in more details, check out La Merced weather in August.
In comparing the weather between December and September, both months share similar average high temperatures of around 26°C (79°F), but December experiences more variability with a higher minimum temperature of 13°C (57°F) compared to September’s 10°C (51°F). Notably, December is significantly wetter, with precipitation reaching 431 mm (17.0 in) over 29 days, while September sees only 86 mm (3.4 in) across 16 days. The humidity levels also differ profoundly; December's high humidity at 90% creates a much more tropical feel, contrasting with the drier 40% humidity characteristic of September. For more details on September weather in this region, you can visit La Merced weather in September.
In comparing the weather between December and October, we see a few notable differences. December's temperatures range from a minimum of 13°C (57°F) to a maximum of 26°C (79°F), while October experiences slightly cooler temperatures, with a minimum of 11°C (51°F) and a maximum of 27°C (81°F). Interestingly, both months have the same average temperature of 18°C (65°F). However, December is significantly wetter, with a hefty 431 mm (17.0 in) of precipitation over 29 days, compared to October's 166 mm (6.5 in) over 24 days. Additionally, December's humidity is much higher at 90%, compared to October's more comfortable 56%. For more specific insights on October weather, you can visit La Merced weather in October.
In comparing the weather of December to November, we notice that December experiences slightly warmer nighttime temperatures, with a minimum of 13°C compared to November's 12°C. Both months share the same average temperature of 18°C and maximum temperatures around 26°C, indicating that daytime warmth remains consistent. However, December sees a significant increase in precipitation, with 431 mm falling over 29 days, compared to November's 318 mm over 27 days. Additionally, humidity levels rise dramatically in December to 90%, compared to November's more comfortable 76%. For a more detailed look, you can check out La Merced weather in November.
As December unfolds in La Merced, the weather takes on a distinct character, setting it apart from other months. The higher humidity levels envelop the region, resulting in a noticeably moist atmosphere that can be felt in the air. Precipitation peaks with frequent rain, contributing to the lush, verdant landscape that contrasts sharply with the dry spells of preceding months. While daytime temperatures remain relatively mild, the cool nights offer a refreshing respite from the humidity. This combination of warmth and rain makes December a unique time to experience La Merced’s vibrant natural beauty. For more detailed insights into the seasonal variations, visit La Merced Climate.