Last updated: August 21, 2025
In December, Perito Moreno, Argentina experiences a vibrant summer ambiance, with maximum temperatures soaring to 30°C (86°F), while an average of 15°C (60°F) keeps the climate pleasant. The nights bring a refreshing coolness, dropping to 5°C (41°F). With only 15 mm (0.6 in) of precipitation over approximately 4 days, the month can be largely dry despite its 84% humidity, making it an ideal time for outdoor adventures amid stunning landscapes. Whether you’re exploring the breathtaking glaciers or enjoying local culture, December offers a delightful weather backdrop to your travels.
In December, Perito Moreno, Argentina, experiences a pleasant transition into summer, with temperatures ranging from a mild 5°C (41°F) to a warm 30°C (86°F). The average temperature settles comfortably at 15°C (60°F), marking a notable increase from the cooler months preceding it. As days grow longer and the landscape flourishes, this month stands out as a prime time for outdoor adventures and exploring the breathtaking beauty of the region. The consistent rise in warmth from the chill of June and July highlights an inviting atmosphere for visitors, eager to bask in the natural splendor of Patagonia during its vibrant summer season.
In Perito Moreno, Argentina, December marks a transition into the summer season, characterized by relatively mild precipitation. With an average of 15 mm (0.6 in) of rain falling over just 4 days, the month experiences a decrease in both total rainfall and rainy days compared to the preceding months. This trend of diminishing precipitation continues from the late spring, reflecting a gradual shift as the region leans into the warmer summer climate. The precipitation patterns observed throughout the year reveal an intriguing rhythm, with heavier rains in late fall and early winter, while December sees the onset of the drier spell typical for the season. This combination makes December a pleasant time for visitors seeking to enjoy the natural beauty of the area with less interruption from rain.
In Perito Moreno, Argentina, December brings a slight reprieve from the escalating humidity levels experienced in the months leading up to it. With an average humidity of 84%, December marks a transition as the region begins to shift away from its peak humidity during the winter months, which can soar to 95% in July. While the dry season kicks off, the lingering moisture from the previous months ensures that December remains comfortably humid, setting a pleasant contrast to the intense dryness that often characterizes other regions during summer. This gradual decline not only enhances the region's scenic beauty but also creates an inviting atmosphere for visitors who wish to explore its stunning landscapes.
In December, Perito Moreno experiences a significant UV Index of 12, categorizing it in the extreme exposure level, with a brief burn time of just 10 minutes. This marks a continuation of the high UV conditions seen in the preceding months, particularly in November when the index peaked at the same level. As the southern hemisphere transitions into summer, the UV Index rises sharply, with both January and February presenting similar extreme conditions, further emphasizing the importance of sun safety during this period. Interestingly, the UV levels have shown a noticeable decline from the autumn months of April and May, where moderate exposure levels allowed for longer safe sun exposure. It's crucial for visitors to be prepared for these extreme UV conditions; for more details, check out the Perito Moreno UV Index.
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In Perito Moreno, Argentina, December dazzles with an impressive 410 hours of sunshine, marking the peak of the region's radiant summer season. This abundance of sunlight not only outshines the preceding months but also sets the tone for the vibrant energy that envelops the landscape. Following a steady increase from 376 hours in November, December's sunshine encapsulates a trend of growing daylight as the year draws to a close. Interestingly, this month also contrasts sharply with the winter months of June and July, which see a stark decline to just 179 and 186 hours of sun, respectively. As the year transitions from the sunny splendor of December to the cooler months ahead, the warmth and brightness of this period invite both locals and travelers to bask in the beauty of nature's offerings.
In December, Perito Moreno enjoys a delightful 75% chance of sunny weather, making it one of the sunniest months of the year. This marks a notable increase from the more variable conditions of the preceding months, as the likelihood of clear skies rises significantly compared to the range of 39% to 59% seen from April through November. Such sunny prospects herald the start of summer in Argentina, offering the perfect backdrop for outdoor adventures and breathtaking views of the stunning landscapes. As the year winds down, travelers can look forward to embracing the warmth and radiance of Perito Moreno's December sun.
In Perito Moreno, Argentina, December ushers in the longest days of the year, with an impressive 15 hours of daylight. This trend of increasing daylight begins in spring, as the sun bathes the region in bright light from January through November, gradually tapering off to 14 hours in November. However, as the year progresses into the heart of summer, the daylight reaches its zenith in December, signaling a vibrant and lively atmosphere. As the months roll on from March's 12 hours to April's 10, and further down to June and July's shorter 8 hours, it's clear that the daylight duration follows a cyclical pattern, creating a rhythm that locals and visitors alike cherish throughout the seasons. Enjoying the long summer days in December not only offers ample time for exploration but also highlights the beauty of nature during this enchanting time of year.
As December settles in Perito Moreno, Argentina, the wind takes on a character of its own, averaging 5.9 m/s (13 mph). While this is a slight drop from the gusty October peak of 6.6 m/s (15 mph), the breezy conditions remain consistent with trends from previous months. This month’s winds are notably stronger than the calmness of May and June, which bottomed out at 3.8 m/s (9 mph). The variable wind speeds from the earlier part of the year suggest a transition, amplifying the refreshing atmosphere that characterizes this picturesque region at the cusp of summer. December's breeziness complements the stunning landscapes, inviting both adventure and tranquility to all who visit.
Weather in Perito Moreno varies notably across the year, with each month offering distinct climate conditions. This page compares December’s weather to other months in Perito Moreno, focusing on differences in temperature, rainfall, humidity, and UV levels.
When comparing the weather of December and January, we notice that both months share similar temperature ranges, with a minimum of 5°C (41°F), an average of 15°C (60°F), and a maximum of 30°C (86°F). Precipitation levels are also quite alike, with December receiving 15 mm (0.6 in) over 4 days, while January has a slightly higher total of 16 mm (0.6 in) on the same number of days. Humidity levels remain similar as well, with December at 84% and January very close at 83%. To learn more about the specific conditions in January, you can check out Perito Moreno weather in January.
In comparing the weather between December and February, we see a slight increase in temperature along with marginally higher precipitation. December boasts a minimum temperature of 5°C (41°F) and an average of 15°C (60°F), while February starts a bit warmer with a minimum of 6°C (42°F) and an average of 16°C (62°F). The maximum temperatures also rise, reaching 30°C (86°F) in December and peaking at 35°C (94°F) in February. Precipitation is relatively low in both months, with December receiving 15 mm (0.6 in) over 4 days and February seeing a slight increase to 17 mm (0.7 in) over 3 days. Humidity remains high in both months, with December at 84% and February slightly higher at 86%. For more detailed insights, visit Perito Moreno weather in February.
In December, the weather is generally warmer with average temperatures ranging from a minimum of 5°C (41°F) to a maximum of 30°C (86°F), while March experiences slightly cooler conditions, with temperatures dipping to a minimum of 1°C (34°F) and peaking at 28°C (83°F). December also has less precipitation, totaling 15 mm (0.6 in) over approximately 4 days, compared to March’s higher rainfall of 30 mm (1.2 in) spread across 6 days. Humidity levels remain quite consistent, with December at 84% and March slightly higher at 85%. For more detailed insights into March weather, you can visit Perito Moreno weather in March.
The weather in December is generally more temperate, with temperatures ranging from a mild 5°C (41°F) at night to a warm 30°C (86°F) during the day, while April sees cooler temperatures, with nighttime lows dipping to -1°C (30°F) and daytime highs only reaching 21°C (70°F). December experiences lower precipitation, with only 15 mm (0.6 in) over four days, compared to April’s increased rainfall of 40 mm (1.6 in) spread across seven days. Additionally, humidity levels are slightly higher in April at 90%, compared to December’s 84%, contributing to a more damp and chilly atmosphere. For more detailed information on April weather, you can visit Perito Moreno weather in April.
In December, the weather is generally warm, with temperatures ranging from a minimum of 5°C (41°F) to a maximum of 30°C (86°F), and an average of 15°C (60°F). This month experiences relatively low precipitation of about 15 mm (0.6 in) over about 4 days, alongside a humidity level of 84%. In contrast, May is much cooler, with temperatures dropping to a minimum of -4°C (24°F) and peaking at 17°C (63°F), averaging 7°C (45°F). The precipitation also increases to 40 mm (1.6 in) over 9 days, accompanied by higher humidity of 92%. For a more detailed overview of May weather, you can check Perito Moreno weather in May.
The weather in December is notably warmer than in June, with temperatures ranging from a minimum of 5°C (41°F) to a maximum of 30°C (86°F) and an average of 15°C (60°F). In contrast, June experiences much cooler conditions, with temperatures dipping as low as -9°C (15°F) and averaging only 4°C (39°F), peaking at 12°C (54°F). Additionally, December sees significantly less precipitation, with only 15 mm (0.6 in) over about 4 days, while June is much wetter, receiving 54 mm (2.1 in) over 11 days and higher humidity levels at 94%. For more details about the weather during June, you can visit Perito Moreno weather in June.
In December, temperatures are much milder, with a minimum of 5°C (41°F) and an average high reaching 30°C (86°F). The month experiences relatively low precipitation of 15 mm (0.6 in) over just four days, accompanied by a humidity level of 84%. In stark contrast, July brings much chillier conditions, with a minimum temperature plunging to -11°C (13°F) and a maximum reaching only 12°C (54°F). Precipitation increases to 35 mm (1.4 in), occurring on eight days, along with a higher humidity of 95%. For more detailed information on this colder month, you can check the Perito Moreno weather in July.
When comparing the weather in December and August, a stark contrast emerges. December boasts a more temperate climate with temperatures ranging from a comfortable 15°C (60°F) on average, peaking at a warm 30°C (86°F), while only experiencing minimal rainfall of 15 mm (0.6 in) over about four days. In contrast, August presents a chillier atmosphere, with average temperatures dropping to just 5°C (41°F), a maximum of only 14°C (57°F), and a notably higher precipitation level of 38 mm (1.5 in) spread over seven days. The humidity remains relatively high in both months, but August's 93% is slightly more oppressive than December's 84%. For more detailed insights into August conditions, you can visit Perito Moreno weather in August.
December weather shows a more temperate climate compared to September, with minimum temperatures around 5°C (41°F) and maximums reaching up to 30°C (86°F), creating a much warmer average of 15°C (60°F). In contrast, September experiences colder conditions, with minimums dipping to -4°C (25°F) and maximums only reaching 17°C (64°F), resulting in a significantly lower average temperature of 7°C (44°F). While December enjoys less precipitation at 15 mm (0.6 in) over four days, September sees more rain at 22 mm (0.9 in) across six days, although humidity remains relatively high in both months, hovering around 84% in December and 88% in September. For a detailed look at weather specifics, you can refer to Perito Moreno weather in September.
The weather in December is notably warmer than in October, with average temperatures ranging from a minimum of 5°C (41°F) to a maximum of 30°C (86°F), while October sees much cooler temperatures, with a minimum of -4°C (25°F) and a maximum of 20°C (69°F). Despite December having slightly less precipitation overall at 15 mm (0.6 in) over 4 days compared to October’s 22 mm (0.9 in) over 5 days, the humidity remains high in both months, peaking at 84% in December and 86% in October. For a closer look at October's weather specifics, you can visit Perito Moreno weather in October.
In comparing the weather between November and December, December tends to be warmer with average temperatures reaching 15°C (60°F), while November has a slightly cooler average of 12°C (54°F). Additionally, the maximum temperatures rise significantly in December, hitting 30°C (86°F) compared to November's peak of 25°C (78°F). However, precipitation is slightly lower in December, with only 15 mm (0.6 in) over 4 days, compared to November's 20 mm (0.8 in) over 5 days. Humidity remains relatively consistent, at 84% in December and 85% in November. For more detailed insights on November weather, you can check out Perito Moreno weather in November.
As December unfolds in Perito Moreno, the weather transforms into a vibrant tapestry of warmth and moisture, setting it apart from other months of the year. With maximum temperatures reaching a pleasant 30°C (86°F), this month exudes a lively energy, encouraging outdoor exploration and adventure. The average temperature hovers around a comfortable 15°C (60°F), while the minimum dips only slightly to 5°C (41°F), ensuring milder nights. Precipitation remains relatively low at 15 mm (0.6 in) over just four days, allowing ample sunshine to shine through the typical December humid haze of 84%. This unique blend makes December an enticing time to experience the stunning beauty of Perito Moreno. For a deeper look into the weather patterns throughout the year, check out Perito Moreno Climate.