December Weather in Puerto Madryn, Argentina

Last updated: August 21, 2025

In December, Puerto Madryn, Argentina, showcases a vibrant summer climate, with maximum temperatures reaching up to 38°C (101°F) and an average of 21°C (70°F). The weather remains pleasantly warm, despite occasional dips to a minimum of 6°C (44°F) at night. Visitors can expect light rainfall, with an average of 16 mm (0.6 in) occurring over just three days, creating a refreshing contrast to the sun-drenched days. With humidity hovering around 48%, the conditions are ideal for exploring this stunning coastal destination and enjoying its natural beauty.

December Temperature in Puerto Madryn

In December, Puerto Madryn, Argentina, welcomes the summer with mild temperatures that set the stage for outdoor adventures. The minimum temperature hovers around 6°C (44°F), ensuring cool evenings after sunlit days. As the month progresses, the average rises to a comfortable 21°C (70°F), offering a pleasant climate ideal for exploring the stunning coastal landscapes. The mercury can soar to a maximum of 38°C (101°F), making it one of the warmest months of the year. This pattern of rising temperatures is a delightful prelude to the peak summer months, inviting both locals and travelers to dive into the vibrant coastal life and bask in the warmth of the southern sun.

December Weather in Puerto Madryn: Daily Temperature Highs, Lows, and Averages

The chart illustrates December temperature patterns in Puerto Madryn, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Puerto Madryn, December typically has an average temperature of {2}°C ({3}°F), with highs reaching up to {4}°C ({5}°F) and lows dropping to around {6}°C ({7}°F).
JanFebMarAprMayJunJulAugSepOctNovDec727166605246454954596570
Data source: Temperature data for Puerto Madryn generated using information from the Copernicus Climate Change Service.
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The average of daily temperatures (24 hours) calculated across all days in the month.

December Precipitation in Puerto Madryn

In Puerto Madryn, December welcomes a moderate precipitation level of 16 mm (0.6 in), falling over the course of three days. This represents a slight decrease from the 30 mm recorded in November, suggesting the onset of a drier summer season. Notably, the pattern of rainfall throughout the year reveals that while December remains relatively dry compared to the wetter months like March and June, it still retains a consistent level of moisture that contributes to the region's unique coastal ecosystem. With precipitation amounts generally tapering off from the spring months, December's climate offers a pleasant balance, making it an opportune time for outdoor activities amidst Puerto Madryn’s breathtaking natural scenery.

December Precipitation Trends in Puerto Madryn

The chart displays monthly precipitation patterns in Puerto Madryn, with values for each month alongside December’s data, which is highlighted for easy comparison. It shows the amount of precipitation, providing insights into how December’s conditions compare to those of other months. In Puerto Madryn, December typically receives around {2} mm ({3} inches) of precipitation spread over approximately {4} days.
JanFebMarAprMayJunJulAugSepOctNovDec111042251743202016123016
Data source: Precipitation data for December generated using information from the Copernicus Climate Change Service.
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December Humidity in Puerto Madryn

In Puerto Madryn, Argentina, the humidity levels exhibit a notable fluctuation throughout the year, characterized by a gradual increase from the cooler months to the peak of winter. Starting at a moderate 51% in January, humidity climbs steadily, reaching a high of 78% in both July and August. However, as the year draws to a close, December surprises with a dip to 48%, marking a decline that contrasts sharply with the humid winter months. This trend suggests a seasonal cycle where the air becomes notably drier as the warmer summer approaches, offering a refreshing break from the more humid conditions experienced earlier in the year.

December Average Humidity in Puerto Madryn

This chart illustrates the average monthly humidity levels in Puerto Madryn, with December’s data highlighted for easy comparison. It shows the fluctuation in humidity throughout the year, helping you understand how conditions vary by season. In December, average humidity in Puerto Madryn is approximately {2}%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec51%54%63%65%71%77%78%78%68%60%54%48%
Data source: Humidity data for December generated using information from the Copernicus Climate Change Service.

December UV Index in Puerto Madryn

In December, Puerto Madryn, Argentina, experiences an intense UV Index of 13, placing it firmly in the extreme exposure category, with a quick burn time of just 10 minutes. This month marks a slight decrease from the peak of 14 in January, yet still demands vigilance for sun protection. Following the trend from November's UV Index of 12, it’s evident that the southern summer months bring consistently high levels of solar radiation, prompting residents and visitors alike to take extra precautions. As the year transitions into the sunnier months, understanding these UV patterns is essential for enjoying Puerto Madryn's beautiful beaches safely. For more detailed information, check out the Puerto Madryn UV Index.

Maximum UV Index Levels in Puerto Madryn for December

The chart shows the monthly maximum UV Index (UVI) for Puerto Madryn in December, representing the highest UV radiation level. The UVI measures the intensity of ultraviolet radiation from the sun, indicating the potential risk of sunburn and UV-related health issues. In December, the maximum UV index in Puerto Madryn typically reaches {2}, which falls under the {3} exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec1411853234681213
Data source: Puerto Madryn December UVI data generated using information from the Copernicus Climate Change Service.

UV Risk Categories

  •  Extreme (11+): Avoid the sun, stay in shade.
  •  Very High (8-10): Limit sun exposure.
  •  High (6-7): Use SPF 30+ and protective clothing.
  •  Moderate (3-5): Midday shade recommended.
  •  Low (0-2): No protection needed.

December Sunshine in Puerto Madryn

In Puerto Madryn, Argentina, December shines brightly with an impressive 411 hours of sunshine, marking it as one of the sunniest months of the year. This delightful increase comes after a gradual ascent from the 280 hours seen in April, showcasing the spring's transition into summer. The sunshine hours steadily rise through the latter part of the year, peaking in December after reaching 367 hours in November and 352 hours in October. This trend not only highlights the region's vibrant summer but also invites locals and tourists alike to bask in the warm glow of the sun, making December an ideal time for beach trips and outdoor adventures. As the daylight stretches longer, the beauty of Puerto Madryn is truly illuminated, inviting everyone to revel in its coastal charms.

Monthly Sunshine Duration in Puerto Madryn: December Highlighted

The December sunshine duration represents the total number of hours Puerto Madryn experiences direct sunlight during the month of December, excluding cloudy or obstructed periods. This chart compares the sunshine duration of December with the other months of the year.
JanFebMarAprMayJunJulAugSepOctNovDec329h344h333h280h243h206h216h259h307h352h367h411h
Data source: Puerto Madryn December Sunshine duration data generated using information from the Copernicus Climate Change Service.

Chance of Sun in Puerto Madryn During December

In December, Puerto Madryn, Argentina, basks in a delightful 79% chance of sunny weather, making it one of the sunniest months of the year. As the year unfolds, there's a noticeable upward trend in sunshine availability from November's 58% to December's vibrant peak, signaling a shift towards the summer season. This increase is part of a gradual warming trend, with the region experiencing higher probabilities of sun as summer approaches, contrasting starkly with the lower percentages seen in the cooler months of May and April. Thus, December stands out as an ideal time for outdoor activities, inviting locals and visitors alike to enjoy the stunning natural beauty under clear blue skies.

Percentage of Sunny Days in December in Puerto Madryn

The chart illustrates the percentage of sunny days in Puerto Madryn throughout the year, with December highlighted. It highlights the variation in sunshine across each month and provides an overview of the typical frequency of sunny days, offering insights into how often Puerto Madryn experiences clear skies throughout the year.
JanFebMarAprMayJunJulAugSepOctNovDec71%73%65%56%48%56%54%59%61%67%58%79%
Data source: Puerto Madryn December chance of sun data, generated using information from the Copernicus Climate Change Service.

Daylight Hours in Puerto Madryn in December

In Puerto Madryn, Argentina, December ushers in a delightful increase in daylight, boasting about 15 hours of sunshine. This marks the peak of the year in terms of daylight, following a gradual ascent from 14 hours in November. The trend over the year reveals a steady decline in daylight during the autumn and winter months, with a low of 9 hours from May through July. However, as spring gives way to summer, the days grow longer again, transitioning from 10 hours in August back to 13 hours in October. This cyclical pattern not only enhances outdoor activities but also creates a vibrant atmosphere for locals and tourists alike as they bask in the abundant sunshine.

Average Daylight Hours in Puerto Madryn for December

The chart illustrates the variation in daylight duration in Puerto Madryn throughout the year, with December highlighted. It shows the monthly changes in daylight hours, calculated by summing the hours between sunrise and sunset.
JanFebMarAprMayJunJulAugSepOctNovDec14h 53m13h 44m12h 18m10h 51m9h 39m9h 3m9h 23m10h 27m11h 49m13h 17m14h 34m15h 15m
Data source: Puerto Madryn daylight hours, calculated by summing the hours between sunrise and sunset for each day.

December Winds in Puerto Madryn

As December arrives in Puerto Madryn, Argentina, the winds begin to pick up a gentle rhythm, with average speeds reaching 5.7 m/s (13 mph). This marks a slight increase from the preceding months, indicating a transition into the summer season where coastal breezes become more invigorating. Interestingly, December's wind speed mirrors that of October and November, suggesting a consistent bluster characteristic of this coastal area. This pattern of mild to moderate winds throughout the latter months of the year not only enhances the vibrant atmosphere but also creates ideal conditions for outdoor activities, making it a prime time for both locals and visitors to embrace the stunning natural beauty of Puerto Madryn.

Average December Wind Speed in Puerto Madryn

The chart displays monthly wind speed patterns in Puerto Madryn, with values for each month shown alongside December's data, which is highlighted for easy comparison. It illustrates the average wind speed, offering insights into how December's wind conditions compare to the rest of the year.
JanFebMarAprMayJunJulAugSepOctNovDec5.25.85.24.14.64.74.85.04.95.75.65.7 m/s
Data source: Puerto Madryn December wind data, generated using information from the Copernicus Climate Change Service.

How December Weather in Puerto Madryn Compares to Other Months

Weather in Puerto Madryn varies notably across the year, with each month offering distinct climate conditions. This page compares December’s weather to other months in Puerto Madryn, focusing on differences in temperature, rainfall, humidity, and UV levels.

December and January in Puerto Madryn exhibit warm weather, but with some notable differences. In December, temperatures range from a minimum of 6°C (44°F) to a maximum of 38°C (101°F), with an average of 21°C (70°F) and a total precipitation of 16 mm (0.6 in) over 3 days. Meanwhile, January sees slightly warmer temperatures, with minimums of 8°C (47°F) and maximums reaching 44°C (111°F), while the average is just a notch higher at 22°C (72°F). Precipitation decreases to 11 mm (0.5 in) across only 2 days, and humidity rises slightly to 51%. For a detailed look at weather conditions, you can check out Puerto Madryn weather in January.

In December, Puerto Madryn experiences a warm climate, with temperatures ranging from a minimum of 6°C (44°F) to a maximum of 38°C (101°F), averaging around 21°C (70°F). The month sees about 16 mm (0.6 in) of precipitation over approximately 3 days, and humidity levels are around 48%.

In contrast, February presents similar temperatures, with a minimum of 6°C (43°F), an average of 21°C (71°F), and a peak of 39°C (103°F). However, rainfall decreases to 10 mm (0.4 in) across just 2 days, and humidity rises slightly to 54%, making February feel slightly more humid than December. For more detailed information, you can check Puerto Madryn weather in February.

In December, the weather in Puerto Madryn typically features a temperature range from a minimum of 6°C (44°F) to a maximum of 38°C (101°F), with an average temperature of around 21°C (70°F). The month sees relatively low precipitation at 16 mm (0.6 in) across about 3 days, and humidity levels are moderate at 48%.

In contrast, March experiences slightly cooler conditions with temperatures ranging from a minimum of 4°C (40°F) to a maximum of 37°C (99°F) and an average of 19°C (66°F). However, this month is wetter, with precipitation totaling 42 mm (1.6 in) over about 5 days and higher humidity levels at 62%.

For more detailed insights, check out the Puerto Madryn weather in March.

In December, Puerto Madryn experiences warmer temperatures, with an average of 21°C (70°F) and highs reaching up to 38°C (101°F), accompanied by lower humidity at 48%. The month sees minimal precipitation, averaging only 16 mm (0.6 in) over about three days. In contrast, April brings cooler weather, with average temperatures of 16°C (60°F) and a maximum of 34°C (94°F). While it is slightly less warm, April also has higher humidity at 65% and experiences more precipitation, totaling 25 mm (1.0 in) across just two days. For more detailed weather insights, you can check Puerto Madryn weather in April.

When comparing the weather in December and May, notable differences emerge in temperature and humidity. December typically boasts warmer conditions, with temperatures ranging from a minimum of 6°C (44°F) to a maximum of 38°C (101°F), and an average around 21°C (70°F). In contrast, May presents considerably cooler temperatures, with minimums dropping to -6°C (22°F) and maximums reaching 27°C (82°F), averaging at 11°C (52°F). Both months experience similar levels of precipitation, with December receiving 16 mm (0.6 in) and May slightly more at 17 mm (0.7 in); however, May has higher humidity at 71% compared to December's 48%. For a closer look at the weather during May, check out this link: Puerto Madryn weather in May.

In December, temperatures in Puerto Madryn are much warmer, with a minimum of 6°C (44°F) and a maximum reaching a hot 38°C (101°F), creating an overall average of 21°C (70°F). The month experiences relatively low precipitation, with only 16 mm (0.6 in) over about three days, and humidity is at a moderate 48%. Conversely, June brings a stark contrast, with temperatures dropping significantly; the minimum plummets to -6°C (21°F) and the maximum peaks at just 21°C (70°F). The average temperature is only 8°C (46°F), and the month sees more rain, accumulating 43 mm (1.7 in) over four days, alongside much higher humidity at 77%. For a detailed look at June’s weather, check out Puerto Madryn weather in June.

When comparing the weather in December and July, notable contrasts emerge. December enjoys warmer temperatures, ranging from a minimum of 6°C (44°F) to a maximum of 38°C (101°F), with an average of 21°C (70°F). The humidity is relatively moderate at 48%, and there's minimal precipitation of 16 mm (0.6 in) over about three days. In contrast, July experiences much cooler conditions, with temperatures dropping to a minimum of -7°C (20°F) and peaking at 21°C (70°F), averaging only 7°C (45°F). July also sees higher humidity at 78% and slightly more precipitation of 20 mm (0.8 in) over four days. For more detailed insights, you can visit the link: Puerto Madryn weather in July.

When comparing the weather in December and August, a stark contrast emerges. In December, temperatures are much warmer, with a minimum of 6°C (44°F), an average of 21°C (70°F), and a maximum reaching up to 38°C (101°F). This month sees less precipitation, with about 16 mm (0.6 in) over three days, and a humidity level of 48%. In contrast, August brings significantly cooler conditions, with temperatures ranging from a minimum of -5°C (24°F) to a maximum of 25°C (77°F) and an average of 9°C (49°F). Precipitation is slightly higher at 20 mm (0.8 in) over the same number of days, but humidity is notably higher at 78%. For more details about August weather, you can visit Puerto Madryn weather in August.

In comparing the weather of December and September, significant differences emerge. December boasts a much warmer climate, with temperatures ranging from a minimum of 6°C (44°F) to a scorching maximum of 38°C (101°F), and an average of 21°C (70°F). In contrast, September experiences cooler temperatures with a minimum of 0°C (32°F) and a maximum of 32°C (90°F), averaging only 12°C (54°F). Both months receive the same amount of precipitation at 16 mm (0.6 in) over three days, but December has a notably lower humidity at 48%, compared to September's higher humidity level of 68%. These differences highlight the transition from the crisp conditions of early spring in September to the warmer, drier summer days of December. For more detailed information about September's climate, visit Puerto Madryn weather in September.

In comparing the weather between December and October, we see notable differences in temperature and humidity. December boasts significantly warmer average temperatures, ranging from a minimum of 6°C (44°F) to a maximum of 38°C (101°F), while October has a more moderate range, with temperatures dipping to -2°C (29°F) at night and peaking at 32°C (90°F) during the day. Additionally, October experiences a higher humidity level at 60%, compared to December's 48%. Precipitation is relatively light for both months, with October receiving 12 mm (0.5 in) and December 16 mm (0.6 in), and both months experiencing rain on about three days. For more detailed information, you can check Puerto Madryn weather in October.

In December, the weather warms up slightly compared to November, with average temperatures rising to 21°C (70°F) from November's 18°C (65°F), and maximum temperatures peaking at 38°C (101°F) in December, just one degree higher than November's maximum of 37°C (98°F). Additionally, December sees a decrease in precipitation, with only 16 mm (0.6 in) measured over 3 days compared to November's 30 mm (1.2 in) over 5 days. Humidity levels also drop in December to 48%, down from November’s 54%. For further insight into the weather patterns, you can check Puerto Madryn weather in November.

Compare Puerto Madryn's Climate with Cities Worldwide

Conclusion: What to Expect From December Weather in Puerto Madryn

December in Puerto Madryn ushers in a noticeable shift in weather as the region moves into summer. With temperatures reaching a scorching maximum of 38°C, the warmth contrasts sharply with the cooler months, inviting both locals and visitors to embrace outdoor activities. While the average temperature hovers around a comfortable 21°C, the minimum can drop to a refreshing 6°C during the night. December also sees minimal precipitation, with only a few days of rain, allowing for ample sunshine and relatively low humidity levels at 48%. This blend makes December a perfect time to explore the stunning landscapes and vibrant marine life that Puerto Madryn offers. For more detailed information on the yearly weather patterns, visit Puerto Madryn Climate.