Last updated: August 21, 2025
December in Pinamar, Argentina offers a delightful mix of summer warmth and occasional rainfall. With maximum temperatures reaching 29°C (85°F) and an average of 19°C (66°F), the weather is perfect for beachgoers and outdoor enthusiasts. While the minimum temperature can dip to 10°C (51°F), the overall climate remains pleasant. Visitors can expect about 69 mm (2.7 in) of precipitation over approximately 8 days, contributing to a humidity level of 74% that adds to the enchanting coastal atmosphere. Whether basking in the sun or enjoying the refreshing sea breeze, December is a beautiful time to experience all that Pinamar has to offer.
In Pinamar, Argentina, December ushers in the warmth of summer, with temperatures steadily rising as the season progresses. The month boasts a minimum temperature of around 10°C (51°F), comfortably settling into a delightful average of 19°C (66°F). With highs reaching up to 29°C (85°F), the weather invites residents and visitors alike to bask in the sun and enjoy the beach life. This pleasant range marks a shift from the cooler spring months, showcasing a trend of increasing heat as the year’s end approaches. As December unfolds, the enjoyable climate inspires outdoor activities and social gatherings, making it an ideal time to explore the vibrant coastal town.
In December, Pinamar experiences moderate precipitation, with an average of 69 mm (2.7 in) across approximately 8 days of rain. This amount marks a slight decrease compared to the wet months of March and April but remains consistent with the trend observed in January and November. As the year draws to a close, the weather begins to shift towards summer, bringing a balance between sunny days and refreshing showers that rejuvenate the coastal landscape. Overall, December's precipitation contributes to the lush greenery, setting a beautiful backdrop for festive gatherings and beach activities.
In Pinamar, Argentina, December marks a return to lower humidity levels, measuring 74%, a slight dip that is consistent with the trends seen earlier in the year. Following a peak of 81% humidity in September, the subsequent months showcased a gradual easing, settling into the mid-70s as the year drew to a close. Notably, December’s humidity reflects a pattern of stability after the summer months, where humidity hovered around 78% to 79%. This shift not only offers a reprieve from the more oppressive summer air but also signals the beginning of the transition towards the dry season, allowing residents and visitors to enjoy more comfortable conditions during the holiday festivities.
In Pinamar, Argentina, the UV Index reaches its peak in December, soaring to an extreme level of 14 with a brief burn time of just 10 minutes. This trend of escalating UV exposure begins in the summer months, where January also reports an index of 14. Following this peak, February remains intense at 12 before a gradual decline throughout the fall, dropping to a moderate 4 by May. As the year progresses, UV levels fluctuate, with the index hitting 10 again in October, signaling a transition into the warmer months. December’s UV levels remind us of the importance of sun protection during these months, given their potential for rapid skin damage. Stay informed and prepared by checking the latest updates on the Pinamar UV Index.
UV Risk Categories
December in Pinamar, Argentina, is a true sunshine spectacle, boasting an impressive 380 hours of sunlight. As the year draws to a close, daylight hours peak, marking a vibrant contrast to the shorter days of winter months like June and July, where sunlight dips to just over 200 hours. The trend from late spring into summer demonstrates a steady increase in sunlight, with December standing out as the sunniest month. This delightful abundance of sunshine not only enhances outdoor activities but also sets the stage for festive celebrations, making December a magical time to experience all that Pinamar has to offer.
In December, Pinamar, Argentina, enjoys a 54% chance of sunny weather, marking a pleasant start to the summer season. This figure is notably higher than the winter months, where the likelihood of sunny days dips to the low 30s and 40s, but it still slightly trails behind other summer months like January and February, which boast chances of 55% and 53% respectively. As the year winds down, December showcases a transition from the overcast months of spring and early autumn, creating an inviting atmosphere for beachgoers and vacationers alike. Overall, the trend indicates a warming pattern in the sunniest months, with December positioned as an ideal time to soak up the sun before the peak summer festivities.
In Pinamar, Argentina, December shines brightly with 14 hours of daylight, mirroring the length of daylight seen in January and November. This trend reveals a vibrant peak in sunshine hours during the southern summer, allowing residents and visitors to bask in the warmth of longer days. As the year progresses from March to August, daylight gradually diminishes, reaching its annual low of 9 hours in June and July. However, as spring approaches, daylight begins to increase again, culminating in the festive atmosphere of December, where the sun lingers longer, inviting all to enjoy the beauty of Argentina's coastal paradise.
In Pinamar, Argentina, December ushers in a moderate breeze, with average wind speeds around 5.8 m/s (13 mph). This marks a slight decrease from the preceding months, especially November’s more invigorating 6.8 m/s (15 mph). As the year wraps up, December’s winds continue a seasonal pattern of fluctuation, reflecting a general trend of gentler breezes during the summer months, with the most robust winds typically experienced in late spring and early fall. While January and February enjoy comparable speeds at 6.3 m/s (14 mph), wind intensity tends to soften, inviting locals and visitors alike to relish the tranquil coastal atmosphere Pinamar has to offer during this vibrant time of year.
Weather in Pinamar varies notably across the year, with each month offering distinct climate conditions. This page compares December’s weather to other months in Pinamar, focusing on differences in temperature, rainfall, humidity, and UV levels.
In comparing the weather between December and January, we observe a slight increase in temperature and a similar level of precipitation. December experiences minimum temperatures around 10°C (51°F) with an average of 19°C (66°F) and peaks at 29°C (85°F). In contrast, January starts off warmer, with minimums at 14°C (57°F), an average of 21°C (71°F), and maximums reaching 31°C (87°F). Both months see approximately 70 mm (2.7 in) of precipitation, occurring over 8 days in December and 7 days in January, while humidity remains consistent at 74% throughout. For a more detailed look at January weather specifics, visit Pinamar weather in January.
December and February both feature warm temperatures, but February tends to be slightly warmer overall. In December, the minimum temperature is around 10°C (51°F), while in February, it rises to a minimum of 12°C (54°F). Both months record a maximum temperature of 29°C (85°F), with February having a higher average temperature of 21°C (70°F) compared to December’s 19°C (66°F). Precipitation is also more pronounced in February, with 93 mm (3.7 in) of rain over 9 days, compared to December's 69 mm (2.7 in) over 8 days. Additionally, February has a slightly higher humidity level at 78%, compared to December's 74%. For more detailed information, you can check out Pinamar weather in February.
In December, the weather in Pinamar is generally warm with a minimum temperature of 10°C (51°F), averaging around 19°C (66°F) and peaking at 29°C (85°F). The month experiences a total of 69 mm (2.7 in) of precipitation over about 8 days, with a humidity level of 74%. In contrast, March sees slightly cooler temperatures, with a minimum of 11°C (53°F), an average of 20°C (68°F), and a maximum of 27°C (81°F). However, it is wetter, receiving 99 mm (3.9 in) of rainfall across 9 days, and slightly more humid at 78%. For more detailed insights into March weather, you can check Pinamar weather in March.
In December, the weather tends to be warmer with temperatures ranging from a minimum of 10°C (51°F) to a maximum of 29°C (85°F), and an average of 19°C (66°F). The month experiences moderate precipitation totaling 69 mm (2.7 in) over about 8 days and has a humidity level of 74%. In contrast, April is slightly cooler, featuring a minimum temperature of 9°C (48°F) and a maximum of 24°C (76°F), with an average of 18°C (64°F). April sees a higher precipitation level of 91 mm (3.6 in) spread over 9 days, and the humidity rises to 79%. For more specific details on weather during this month, you can visit Pinamar weather in April.
In December, temperatures in Pinamar are generally warmer, ranging from a minimum of 10°C (51°F) to a maximum of 29°C (85°F), with an average of 19°C (66°F). The humidity sits at 74%, and the region experiences 69 mm (2.7 in) of precipitation over 8 days. In contrast, May sees cooler temperatures, with a minimum of 5°C (42°F), an average of 14°C (58°F), and a maximum of 21°C (70°F). Humidity is slightly higher at 79%, but the rainfall remains the same at 69 mm (2.7 in) over 8 days. For a detailed understanding of the weather in May, you can visit Pinamar weather in May.
In December, the weather tends to be warmer with temperatures ranging from a minimum of 10°C (51°F) to a maximum of 29°C (85°F), while June experiences cooler conditions, with temperatures fluctuating between 3°C (37°F) and 18°C (65°F). December also sees average humidity at 74%, slightly lower than June's 78%. Precipitation is similar, with December receiving 69 mm over 8 days and June getting 82 mm over 9 days. For more details about the June climate, you can visit Pinamar weather in June.
The weather in December is notably warmer than in July, with temperatures ranging from a minimum of 10°C (51°F) to a maximum of 29°C (85°F), averaging around 19°C (66°F). In contrast, July experiences cooler conditions, with temperatures ranging from a minimum of 3°C (38°F) to a maximum of 17°C (62°F) and an average temperature of just 10°C (50°F). Both months share a similar level of humidity at 74%, but December has slightly less precipitation, totaling 69 mm (2.7 in) over 8 days, compared to July's 74 mm (2.9 in) over 10 days. For more detailed insights on the July weather, check out Pinamar weather in July.
In December, the weather in Pinamar is significantly warmer, with temperatures ranging from a minimum of 10°C (51°F) to a maximum of 29°C (85°F) and an average of 19°C (66°F). This month also sees a higher level of precipitation, totaling 69 mm (2.7 in) over about 8 days, accompanied by a humidity of 74%. In contrast, August experiences much cooler temperatures, with a minimum of 4°C (39°F), an average of 10°C (51°F), and a maximum of 17°C (63°F). The precipitation in August is slightly lower at 57 mm (2.3 in) across 6 days, and humidity is marginally higher at 77%. For more details on August weather, you can check Pinamar weather in August.
When comparing the weather in December and September, it's clear that December is significantly warmer. In December, temperatures range from a minimum of 10°C (51°F) to a maximum of 29°C (85°F), with an average temperature of 19°C (66°F). In contrast, September sees much cooler temperatures, with a minimum of 4°C (40°F) and a maximum of 19°C (67°F), averaging around 12°C (54°F). Additionally, while both months experience similar levels of precipitation, with December receiving 69 mm (2.7 in) over 8 days and September 70 mm (2.8 in) over 7 days, September tends to be slightly more humid at 81% compared to December's 74%. For more detailed insights on September weather, you can check Pinamar weather in September.
When comparing the weather in December and October, December typically enjoys warmer temperatures, with averages around 19°C (66°F), compared to October's average of 14°C (57°F). The maximum temperatures in December can reach up to 29°C (85°F), while October peaks at 23°C (73°F). Although both months experience similar precipitation levels, December has a slight increase in rainfall at 69 mm (2.7 in), compared to October's 61 mm (2.4 in), with both months seeing precipitation on about 8 days. Humidity levels are also slightly lower in December at 74%, compared to October's 77%. For more detailed information on October weather, you can check Pinamar weather in October.
In December, temperatures in Pinamar are slightly warmer compared to November, with an average of 19°C (66°F) and a maximum reaching 29°C (85°F). In contrast, November sees a lower average temperature of 17°C (63°F) and a maximum of 27°C (81°F). While both months experience similar levels of precipitation, with December receiving 69 mm (2.7 in) over 8 days and November 65 mm (2.6 in) over 9 days, December is slightly drier with lower humidity at 74% compared to November’s 76%. For those looking for more details on November weather specifically, you can check out Pinamar weather in November.
As December unfolds in Pinamar, the weather marks a vibrant transition into summer, bringing warmer temperatures and increased humidity compared to the preceding months. With the maximum soaring to a pleasant 29°C (85°F), days are infused with a lively energy, inviting outdoor activities and beach outings. While December does see some rainfall, the overall atmosphere is characterized by a blend of sun and occasional showers, typical of this season. The average temperature remains comfortable at 19°C (66°F), making it an enticing time for visitors to experience the natural beauty of this coastal paradise. For a detailed look at Pinamar's seasonal patterns, explore Pinamar Climate.