Last updated: August 27, 2025
December in Junín, Peru, is characterized by a cool and damp climate, with maximum temperatures reaching 14°C (58°F) and dipping to a chilly -5°C (23°F) at night. The average daily temperature hovers around 5°C (42°F), creating a brisk atmosphere that emphasizes the region's unique highland environment. With 199 mm (7.8 in) of precipitation over 28 days, the month is marked by frequent rain, contributing to a high humidity level of 90%, which can make the air feel even cooler. This combination of temperature and moisture creates an evocative and refreshing ambiance, perfect for those who appreciate the beauty of a verdant, rainy season.
In December, Junin, Peru, experiences a notable stability in its temperatures, characterized by a minimum of -5°C (23°F) and an average of 5°C (42°F), reaching a maximum of 14°C (58°F). This month continues the trend of cooler temperatures that begin in May, with consistent averages lingering around 5°C, providing a brief respite before the more frigid months ahead. As the year closes, December offers a moderate climate, making it a comfortable time for both locals and visitors to explore the scenic beauty of the region, while still feeling the chill of its Andean environment. The gradual warming trend observed from the coldest months of July and August is clearly seen, highlighting a transition that sets the stage for the slightly warmer summer months to follow.
In December, Junin, Peru experiences a notable increase in precipitation, with 199 mm (7.8 in) of rainfall recorded, setting the stage for a wet and vibrant start to the new year. The number of precipitation days peaks at 28, suggesting that the region's transition into the wet season is well underway. Following a trend from the previous months, where November had significant rainfall at 177 mm (7.0 in) over 27 days, December continues to uphold this rhythm, showcasing the region's characteristic lushness as it moves into peak rainfall months. This upward trajectory highlights the importance of December as a crucial month in Junin's climatic calendar, nurturing the landscape and preparing it for the abundance of rain that often follows in January and February.
December in Junin, Peru, sees a refreshing 90% humidity, making it a month where the air feels close and vibrant, reminiscent of the preceding months. Following a gradual decrease from a high of 91% in March, the humidity dips significantly during the winter months, reaching the lowest point of 47% in July. However, as December approaches, humidity levels rise once again, signaling a return to the more humid conditions experienced at the year's start. This seasonal shift emphasizes the region's climate variability, offering a blend of dry and moist days that contribute to the unique character of Junin's weather. As the year closes, humidity levels not only reflect seasonal changes but also set the stage for the lush landscapes that thrive in such a humid environment.
In Junin, Peru, the UV Index consistently remains in the extreme exposure category, highlighting the region's intense sun exposure year-round. December sees a UV Index of 19, similar to the values recorded in October and November, indicating that the need for sun protection remains critical. Throughout the year, the UV Index ranges from a high of 20 during the peak months of January to March, to a lower yet still dangerous 13 in June. Remarkably, no month drops below a 10-minute burn time, reinforcing the necessity for vigilance against skin damage. As the sunlight persists, residents and visitors alike should stay informed and protect themselves by regularly checking the Junin UV Index.
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December in Junin, Peru, welcomes a gentle embrace of sunshine with 278 hours of daylight, slightly dipping from November's 275 hours. This month marks a transitional phase in the region's weather, where the lingering warmth of summer meets the cooler, vibrant tones of the approaching autumn. As the year unfolds, the days gradually lengthened from just 212 hours in January to a peak of 339 hours in August, showcasing a notable trend of increasing sunlight from the start of the year until midyear. After reaching its zenith, sunlight hours start to gradually decline, yet December's ample brightness still offers plenty of opportunities for outdoor adventures and scenic explorations, making it a charming month to experience the enchanting landscapes of Junin.
As December approaches in Junin, Peru, the likelihood of sunny weather hovers around 15%, reflecting a relatively modest chance for clear skies. This trend indicates a slight uptick compared to the preceding months, particularly from November's low of 5%. Throughout the year, the region experiences its sunniest days in the mid-winter months of July and August, where the chances rise to 37% and 28%, respectively. Conversely, early summer shows diminished sunny opportunities, with January and February reporting only 4% and 7%. Overall, while December offers a moderate improvement, locals and visitors alike may still want to prepare for a mix of weather conditions.
In Junin, Peru, the daylight duration displays a fascinating rhythm throughout the year, showcasing the region's proximity to the equator. From January to March, residents and visitors alike enjoy a consistent 12 hours of daylight, creating an inviting atmosphere for outdoor activities. As the seasons shift in April, daylight begins to wane slightly, settling at 11 hours and maintaining this duration through the middle of the year. This period of reduced light continues until September, when daylight returns to 12 hours, creating a sense of balance as the year winds down. From October to December, daylight returns to its earlier length, allowing the year to conclude on a bright note. This cyclical pattern of light and shadow in Junin enriches its natural beauty and sustains a vibrant lifestyle year-round.
As December arrives in Junin, Peru, the winds pick up slightly, with an average speed of 1.6 m/s (or 4 mph), marking a continuation of the trend seen over the past few months. Following a dip in November, when the average wind speed fell to 1.4 m/s, December’s breezes offer a refreshing consistency that mirrors the subtle fluctuations of earlier months. The summer months of July and August boasted the highest wind speeds, reaching 1.8 m/s, but December's gentle winds signal a calm transition into the new year. This seasonal pattern reflects the unique climatic rhythm of Junin, where even the mildest gusts can add a sense of vitality to the landscape.
Weather in Junin varies notably across the year, with each month offering distinct climate conditions. This page compares December’s weather to other months in Junin, focusing on differences in temperature, rainfall, humidity, and UV levels.
December and January in Junín share strikingly similar temperatures, with both months featuring a minimum of -5°C (23°F), an average temperature of around 5°C (41°F-42°F), and a maximum reaching 14°C (58°F). However, January sees a slight increase in precipitation, totaling 201 mm (7.9 in) over 25 days, compared to December's 199 mm (7.8 in) over 28 days. Additionally, January has a marginally higher humidity level at 91% versus December's 90%. For more information, you can explore Junin weather in January.
In December, temperatures range from a chilly -5°C (23°F) to a comfortable 14°C (58°F), with an average of 5°C (42°F). The month experiences significant precipitation, totaling 199 mm (7.8 in) over 28 days, contributing to a high humidity level of 90%. In contrast, February sees slightly milder temperatures with a minimum of -3°C (27°F) and a maximum of 15°C (59°F), maintaining the same average of 5°C (41°F). However, February is wetter, with 229 mm (9.0 in) of precipitation spread over 26 days, still accompanied by 90% humidity. For a detailed look at February weather patterns, you can check Junin weather in February.
December and March offer similar average temperatures, with December averaging around 5°C (42°F) and March also sitting at 5°C (41°F). However, December experiences a slightly wider temperature range, with maximums reaching up to 14°C (58°F) compared to March's high of 13°C (55°F). Precipitation levels are notably higher in March, totaling 247 mm (9.7 in) across 31 days, whereas December sees 199 mm (7.8 in) over 28 days. The humidity is consistently high in both months, at 90% in December and slightly higher at 91% in March. For more detailed insights, you can explore the weather specifics here: Junin weather in March.
In December, the weather is characterized by temperatures ranging from a minimum of -5°C (23°F) to a maximum of 14°C (58°F), with an average temperature of 5°C (42°F). The month typically experiences high humidity levels at 90% and considerable precipitation, totaling 199 mm (7.8 in) over 28 days. In contrast, April exhibits a slightly milder temperature range, with minimums around -4°C (25°F) and similar maximums and averages as December. However, it sees a reduction in rainfall—totaling 125 mm (4.9 in) over 25 days—and slightly lower humidity at 89%. Overall, while both months share similar temperature averages, December is notably wetter and more humid compared to April. For more specific insights on April weather, check out Junin weather in April.
In December, the weather features a broader range of temperatures, with minimums dipping to -5°C (23°F) and average highs reaching 14°C (58°F), resulting in a chillier atmosphere. In contrast, May has a similar temperature range but averages a slightly lower 4°C (40°F), maintaining maximum temperatures around 14°C (57°F). Precipitation also varies significantly; December sees 199 mm (7.8 in) spread over 28 days, while May's rainfall is much lighter at 88 mm (3.5 in) across 23 days, contributing to a drier feel. Additionally, humidity levels are higher in December at 90% compared to May's 85%. For more details, you can check Junin weather in May.
December and June present distinct contrasts in weather conditions. In December, temperatures typically range from a chilly minimum of -5°C (23°F) to a pleasant maximum of 14°C (58°F), with an average of 5°C (42°F). This month also experiences significant rainfall, totaling 199 mm (7.8 in) across 28 days, leading to high humidity levels around 90%. On the other hand, June offers slightly cooler temperatures, with a minimum of -5°C (23°F), an average of 4°C (39°F), and a maximum of 13°C (55°F). However, it is much drier, with only 39 mm (1.5 in) of precipitation over 12 days, resulting in lower humidity levels of about 65%. Overall, December's weather is characterized by dampness and cooler temperatures, while June exhibits a drier and somewhat cooler climate. For more information, you can check Junin weather in June.
In December, the weather is characterized by chilly temperatures, with a minimum of -5°C (23°F) and an average of 5°C (42°F), reaching a maximum of 14°C (58°F). The month sees considerable precipitation, totaling 199 mm (7.8 in) over 28 days, contributing to a high humidity level of 90%. In contrast, July experiences slightly colder temperatures, with a minimum of -6°C (21°F) and an average of 3°C (38°F), peaking at 13°C (56°F). Rainfall is significantly lower in July, with only 35 mm (1.4 in) over just 11 days, resulting in a much drier atmosphere with a humidity level of 47%. For more specific details about July weather, you can check Junin weather in July.
In December, the weather tends to be milder with temperatures ranging from a minimum of -5°C (23°F) to a maximum of 14°C (58°F) and an average of 5°C (42°F). The month is characterized by high precipitation, measuring 199 mm (7.8 in) over 28 days, and an elevated humidity level of 90%. In stark contrast, August experiences slightly cooler conditions, with temperatures dipping to a minimum of -7°C (20°F) and reaching a maximum of 14°C (58°F). The average temperature in August is 3°C (38°F), and the precipitation is significantly lower at 50 mm (2.0 in) over just 14 days, accompanied by much drier humidity at 38%. For a more detailed understanding of August weather specifics, check out Junin weather in August.
In December, the weather takes on a colder profile with temperatures ranging from a minimum of -5°C (23°F) to a maximum of 14°C (58°F), accompanied by significant precipitation of 199 mm (7.8 in) over 28 days and high humidity levels around 90%. In contrast, September is slightly milder, featuring temperatures that range from a minimum of -4°C (25°F) up to 13°C (55°F), with much less precipitation at 95 mm (3.8 in) over 23 days and a notably lower humidity of 40%. These differences indicate that while both months share similar temperature averages, December tends to be wetter and more humid compared to the drier September. For more detailed information, check out Junin weather in September.
December weather is generally slightly warmer than October, with average temperatures peaking at 5°C (42°F) compared to October's average of 4°C (40°F). Both months experience a minimum temperature of -5°C (23°F), but December features a higher maximum of 14°C (58°F) versus October's 13°C (57°F). Precipitation also increases noticeably in December, totaling 199 mm (7.8 in) over 28 days, while October sees only 139 mm (5.5 in) over 26 days. Additionally, December's humidity is significantly higher at 90%, compared to 56% in October. For a more detailed look at October weather in Junin, you can check out Junin weather in October.
In comparing December and November weather, both months exhibit similar average temperatures, with December showing a slight increase in minimum temperature at -5°C (23°F) compared to November's -3°C (27°F). However, December brings more precipitation, totaling 199 mm (7.8 in) over 28 days, which surpasses November's 177 mm (7.0 in) over 27 days. Additionally, December's humidity levels are notably higher at 90%, in contrast to November's 76%. For more details on November conditions, you can visit Junin weather in November.
As December arrives in Junin, the weather transforms significantly compared to the preceding months. Temperatures generally remain mild, with maximums around 14°C, while the biting cold of winter is evidenced by minimums plunging to -5°C. This month experiences increased humidity, hovering around 90%, which, combined with frequent precipitation, creates a notably damp atmosphere with nearly every day seeing rain. With approximately 199 mm of rainfall spread over 28 days, December stands out as one of the wettest months of the year, marking a shift from the drier conditions of earlier seasonal months. For a comprehensive overview of the climate in Junin, check out Junin Climate.