December Weather in Coyhaique, Chile

Last updated: August 21, 2025

In Coyhaique, Chile, December boasts a diverse climate marked by a maximum temperature of 27°C (82°F), alongside a cool average of 10°C (51°F) and a notable minimum of -1°C (30°F). With 90 mm (3.5 in) of precipitation spread over approximately 12 days, the month contributes to a humidity level of 74%, creating a lush and vibrant environment. This combination of warm days and cooler nights, complemented by regular rainfall, sets the stage for an enchanting summer experience in the heart of Patagonia.

December Temperature in Coyhaique

In Coyhaique, Chile, December marks the beginning of summer, bringing a notable shift in temperatures. With minimums typically around -1°C (30°F) and an average temperature of 10°C (51°F), residents and visitors can enjoy a refreshing climate as the season progresses. Daytime highs can reach up to 27°C (82°F), offering the perfect conditions for outdoor activities. Compared to the chillier months before, December's warmth signifies a welcoming transformation, encouraging exploration of the stunning landscapes and vibrant lifestyle of this southern gem. As the year winds down, the mild weather invites both locals and travelers to embrace the festive spirit amidst breathtaking natural beauty.

December Weather in Coyhaique: Daily Temperature Highs, Lows, and Averages

The chart illustrates December temperature patterns in Coyhaique, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Coyhaique, 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).
JanFebMarAprMayJunJulAugSepOctNovDec505348443831323437404651
Data source: Temperature data for Coyhaique 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 Coyhaique

In Coyhaique, Chile, December marks a transition as the region begins to dry out slightly, recording an average precipitation of 90 mm (3.5 in) over 12 days of rain. This is a noticeable decline from the wetter months preceding it, particularly the intense June and May when precipitation peaked at 218 mm (8.6 in) and 159 mm (6.3 in), respectively. By December, the city experiences a reduction in both total rainfall and the number of rainy days, highlighting a shift towards the drier summer months. The trend suggests a gradual easing of the heavy downpours typical of mid-year, allowing the landscape to breathe and prepare for the warmer days ahead.

December Precipitation Trends in Coyhaique

The chart displays monthly precipitation patterns in Coyhaique, 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 Coyhaique, December typically receives around {2} mm ({3} inches) of precipitation spread over approximately {4} days.
JanFebMarAprMayJunJulAugSepOctNovDec986311514215921815116011412713090
Data source: Precipitation data for December generated using information from the Copernicus Climate Change Service.
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December Humidity in Coyhaique

In Coyhaique, Chile, the humidity levels reveal a fascinating seasonal rhythm. As the year progresses from January to April, humidity steadily climbs from 70% to a peak of 89% in May, ushering in the chilly winter months. This trend continues to stabilize, with June, July, and August each maintaining a high humidity of 90%. Following this peak, humidity gradually decreases during the spring months, dipping to 85% in September and further down to 73% in November. By December, humidity settles at 74%, providing a sense of stability before the cycle begins anew. This consistent pattern reflects the region's transition through wet winters and dry summers, characterizing Coyhaique's unique climate.

December Average Humidity in Coyhaique

This chart illustrates the average monthly humidity levels in Coyhaique, 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 Coyhaique is approximately {2}%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec70%77%75%84%89%91%90%90%85%80%73%74%
Data source: Humidity data for December generated using information from the Copernicus Climate Change Service.

December UV Index in Coyhaique

In Coyhaique, Chile, December heralds one of the peak months for UV exposure, with a striking UV Index of 13, categorizing it as extreme. This trend of heightened UV levels is consistent with the previous months, particularly following November's similarly extreme conditions. With a burn time of just 10 minutes, sun protection becomes essential for outdoor activities during this month. As summer approaches, the UV Index in Coyhaique peaks in January and December, drawing attention to the importance of sun safety as the region experiences prolonged daylight. This year-round pattern underscores a notable shift from moderate exposure in the cooler months to the severe levels observed in the summer. For more detailed information, visit Coyhaique UV Index.

Maximum UV Index Levels in Coyhaique for December

The chart shows the monthly maximum UV Index (UVI) for Coyhaique 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 Coyhaique typically reaches {2}, which falls under the {3} exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec1311853224691113
Data source: Coyhaique 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 Coyhaique

December in Coyhaique, Chile, is nothing short of radiant, boasting an impressive 339 hours of sunshine. This marks a delightful peak, following a gradual increase throughout the spring and early summer months. As the year draws to a close, the jubilant December sun contrasts sharply with the darker winter months, where sunshine hours dip to a mere 144 in June and 151 in May. The transition from late autumn's 299 hours in November to December’s glory sets a vibrant tone for the season, celebrating the longest daylight while wrapping up the year. The consistent climb of sunny days from early to late summer not only highlights Coyhaique's climatic charm but also invites visitors to embrace the outdoors during these golden days.

Monthly Sunshine Duration in Coyhaique: December Highlighted

The December sunshine duration represents the total number of hours Coyhaique 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.
JanFebMarAprMayJunJulAugSepOctNovDec265h299h274h197h151h144h143h192h222h272h299h339h
Data source: Coyhaique December Sunshine duration data generated using information from the Copernicus Climate Change Service.

Chance of Sun in Coyhaique During December

In Coyhaique, Chile, December marks a notable shift in weather patterns, boasting a 53% chance of sunny weather—a significant increase compared to the preceding months. As the year winds down, the likelihood of sunshine starts to rise after languishing in the low teens and twenties from April to October. This trend highlights December as a prime time to enjoy the outdoors, aligning perfectly with the height of the Southern Hemisphere's summer. With the sun emerging more frequently, residents and visitors alike can look forward to brighter days and pleasant conditions, ideal for exploring the breathtaking landscapes of the region.

Percentage of Sunny Days in December in Coyhaique

The chart illustrates the percentage of sunny days in Coyhaique 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 Coyhaique experiences clear skies throughout the year.
JanFebMarAprMayJunJulAugSepOctNovDec30%53%38%11%23%22%13%20%23%24%29%53%
Data source: Coyhaique December chance of sun data, generated using information from the Copernicus Climate Change Service.

Daylight Hours in Coyhaique in December

In Coyhaique, Chile, December marks the return of longer days with 15 hours of daylight, echoing the bright beginnings of the year in January. This month serves as a transition from shorter days that slowly increase from the depths of winter in June, where daylight dips to only 8 hours. As spring approaches, daylight begins to lengthen, peaking again in December. Following a gentle decline through the months of autumn, where daylight first drops to 10 hours in April, it then gradually builds back up through the late spring and early summer. These seasonal shifts not only illuminate the stunning landscapes of Coyhaique but also embody the region's dynamic climate, making December a vibrant time of the year.

Average Daylight Hours in Coyhaique for December

The chart illustrates the variation in daylight duration in Coyhaique throughout the year, with December highlighted. It shows the monthly changes in daylight hours, calculated by summing the hours between sunrise and sunset.
JanFebMarAprMayJunJulAugSepOctNovDec15h 11m13h 54m12h 19m10h 43m9h 23m8h 44m9h 5m10h 16m11h 48m13h 24m14h 51m15h 36m
Data source: Coyhaique daylight hours, calculated by summing the hours between sunrise and sunset for each day.

December Winds in Coyhaique

In Coyhaique, Chile, December brings a refreshing shift in the wind, with an average speed of 2.7 m/s (6 mph), slightly tapering off from the seasonally high winds seen in the previous months of October and November. Throughout the year, wind speeds vary, peaking in the summer months with January averaging 2.8 m/s, while the winter months tend to experience calmer conditions. This pattern suggests that as the weather transitions from the warmer to cooler seasons, wind intensity remains relatively mild, making December a pleasantly breezy time in the region. Observing these trends, it’s clear that while the winds may fluctuate, Coyhaique’s charm lies in its consistent ability to offer a gentle embrace of nature's breath, perfect for outdoor adventures.

Average December Wind Speed in Coyhaique

The chart displays monthly wind speed patterns in Coyhaique, 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.
JanFebMarAprMayJunJulAugSepOctNovDec2.82.22.32.11.81.92.42.12.22.82.82.7 m/s
Data source: Coyhaique December wind data, generated using information from the Copernicus Climate Change Service.

How December Weather in Coyhaique Compares to Other Months

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

December and January weather exhibit some similarities, yet also notable differences. In December, temperatures range from a minimum of -1°C (30°F) to a maximum of 27°C (82°F), with an average of 10°C (51°F). The month experiences approximately 90 mm (3.5 in) of precipitation over 12 days and maintains a humidity level of 74%. In contrast, January sees slightly cooler temperatures with a minimum of -2°C (29°F) and a maximum of 26°C (78°F), while still averaging 10°C (51°F). Precipitation increases to 98 mm (3.9 in) over 13 days, accompanied by a marginally lower humidity of 70%. For a detailed look at the conditions in January, you can visit Coyhaique weather in January.

December and February exhibit notable differences in weather patterns. December experiences a broader temperature range, with minimums plunging to -1°C (30°F) and maximums reaching up to 27°C (82°F), while the average temperature sits at 10°C (51°F). It also sees higher precipitation levels, totaling 90 mm (3.5 in) over 12 days, accompanied by a humidity level of 74%. In contrast, February boasts slightly milder temperatures, with a minimum of 0°C (33°F) and maximums climbing to 31°C (88°F), leading to an average of 12°C (53°F). Rainfall is less frequent at 63 mm (2.5 in) spread over only 7 days, and humidity rises to 77%. For more detailed insights on February weather, you can visit Coyhaique weather in February.

In December, temperatures in Coyhaique range from a minimum of -1°C (30°F) to a comfortable average of 10°C (51°F), peaking at a maximum of 27°C (82°F). The month sees approximately 90 mm (3.5 in) of precipitation over about 12 days, with humidity lingering around 74%.

In contrast, March exhibits slightly cooler temperatures, with a minimum of -3°C (26°F) and an average of 9°C (49°F), reaching a maximum of 26°C (79°F). Precipitation increases to 115 mm (4.5 in) over 13 days, accompanied by a slight rise in humidity to 75%. For a more detailed look at the weather in March, you can explore this link: Coyhaique weather in March.

In December, the weather in Coyhaique is generally milder, with temperatures ranging from a minimum of -1°C (30°F) to a maximum of 27°C (82°F) and an average of 10°C (51°F). Precipitation is moderate at 90 mm (3.5 in), spread over about 12 days, and the humidity is around 74%.

In contrast, April experiences cooler temperatures, with a minimum of -7°C (20°F) and a maximum of 20°C (69°F), averaging 6°C (44°F). Precipitation increases to 141 mm (5.6 in) over approximately 16 days, and humidity rises slightly to 84%.

For more details, you can check the Coyhaique weather in April.

December and May present contrasting weather conditions, highlighting the transition from late spring to early winter. In December, temperatures range from a minimum of -1°C (30°F) to a maximum of 27°C (82°F), with an average of 10°C (51°F). This month experiences 90 mm (3.5 in) of precipitation over about 12 days, along with a humidity level of 74%. In contrast, May sees cooler temperatures, with lows of -11°C (12°F) and highs reaching only 14°C (58°F), averaging at 3°C (38°F). It is also wetter, with 159 mm (6.3 in) of precipitation spread across 15 days and a higher humidity level of 89%. For more detailed insights on the weather patterns, check out Coyhaique weather in May.

In December, the weather is generally milder, with temperatures ranging from a minimum of -1°C (30°F) to a maximum of 27°C (82°F), and an average of 10°C (51°F). This month experiences about 90 mm (3.5 in) of precipitation over approximately 12 days, with humidity levels around 74%. In contrast, June brings much colder temperatures, with a minimum of -20°C (-4°F) and a maximum of 9°C (49°F), averaging 0°C (32°F). The rainfall is significantly higher, totaling 218 mm (8.6 in) across 18 days, accompanied by humidity levels reaching 90%. For a more detailed look at the weather specifics for June, you can refer to Coyhaique weather in June.

When comparing the weather in December and July, you'll notice significant differences. December features milder temperatures, with a minimum of -1°C (30°F) and an average of 10°C (51°F), reaching a maximum of 27°C (82°F). In contrast, July is much colder, with temperatures dropping significantly lower, recording a minimum of -15°C (6°F) and an average of 0°C (32°F), with a peak of just 8°C (47°F). Precipitation also varies, as December experiences around 90 mm (3.5 in) over 12 days, while July sees higher precipitation levels at 151 mm (5.9 in) across 19 days. It's worth noting that July has a slightly higher humidity at 90%, compared to December's 74%. For more detailed information on July weather, visit Coyhaique weather in July.

When comparing the weather in December and August, notable differences emerge. December features a milder temperature range, with averages hitting a comfortable 10°C (51°F) and highs reaching up to 27°C (82°F), while precipitation is relatively lower at 90 mm (3.5 in) over 12 days. In contrast, August experiences much cooler conditions, with average temperatures around 1°C (35°F) and maximums only reaching 10°C (50°F). This month also sees significantly higher rainfall, accumulating 160 mm (6.3 in) over 19 days, and a higher humidity level of 90%. For a closer look at August's climate specifics, you can visit Coyhaique weather in August.

In December, the weather is generally milder compared to September, with temperatures ranging from a minimum of -1°C (30°F) to a maximum of 27°C (82°F) and an average of 10°C (51°F). In contrast, September experiences colder temperatures, with a minimum of -8°C (17°F) and a maximum of 16°C (61°F), yielding an average temperature of 3°C (37°F). December also sees lower precipitation at 90 mm (3.5 in) over 12 days, while September has higher rainfall at 114 mm (4.5 in) across 16 days, coupled with slightly higher humidity levels of 85%. For a detailed look at September weather, check out this link: Coyhaique weather in September.

When comparing the weather between October and December, it's evident that December is generally milder, with average temperatures reaching 10°C (51°F) compared to October's average of 4°C (40°F). While December enjoys a maximum temperature of 27°C (82°F), October peaks at 19°C (67°F). However, October experiences more significant precipitation, with 127 mm (5.0 in) over 17 days, compared to December's 90 mm (3.5 in) over 12 days. Humidity levels are also slightly lower in December at 74%, versus 80% in October. For more detailed information, you can refer to Coyhaique weather in October.

In comparing the weather between November and December, December generally experiences milder temperatures, with an average of 10°C (51°F) compared to November's average of 8°C (46°F). The maximum temperatures in December can reach up to 27°C (82°F), while November peaks at 23°C (74°F). However, December sees less rainfall, with 90 mm (3.5 in) over 12 days, compared to November's 130 mm (5.1 in) over 15 days. Humidity levels remain quite similar, hovering around 74% in December and 73% in November. For a closer look at November's weather patterns, check out Coyhaique weather in November.

Compare Coyhaique's Climate with Cities Worldwide

Conclusion: What to Expect From December Weather in Coyhaique

As December unfolds in Coyhaique, the weather shifts dramatically, welcoming warmer temperatures and a delightful increase in daylight hours. With an average temperature of 10°C, the month serves as a refreshing break from the chill of winter, often reaching highs around 27°C, which offers a wonderful opportunity for outdoor exploration. Though December sees about 90 mm of precipitation over 12 days, this seasonal transition is marked by the vibrant greenery brought to life by the rain, making the landscape appear even more enchanting. The humidity hovers around 74%, adding a refreshing touch to the warm air. For a deeper insight into the distinct characteristics of Coyhaique's climate, visit Coyhaique Climate.