Last updated: August 21, 2025
December in Escazú, Costa Rica offers a pleasant tropical climate, characterized by temperatures ranging from a comfortable 15°C (58°F) to a delightful 26°C (80°F), with an average of 20°C (68°F). Visitors can expect moderate humidity at 72% and a total precipitation amount of 63 mm (2.5 in) over approximately 11 rainy days. This time of year provides a unique blend of refreshing rain and warm sunshine, making it an ideal period for exploring the lush landscapes and vibrant culture of this charming Central American locale.
In December, Escazu, Costa Rica experiences a charming blend of mild temperatures and refreshing breezes. With a minimum of 15°C (58°F) and a maximum of 26°C (80°F), the weather remains consistently comfortable as the year draws to a close. The average temperature lingers around 20°C (68°F), creating an inviting atmosphere for both locals and visitors alike. This month marks a slight cooling trend from the warmer months preceding it, as maximum temperatures dip from the highs of April and May. The balanced climate is perfect for exploring the lush landscapes and vibrant culture, making December one of the ideal times to visit this picturesque region.
In December, Escazu experiences a noticeable drop in precipitation, with 63 mm (2.5 in) of rainfall over approximately 11 days, offering a brief respite from the intense wet season of the previous months. Following the peak of October's 570 mm (22.4 in), which marked the height of the rainy season, December's rainfall indicates a transition as the region prepares for the drier months ahead. The trend shows a significant shift from the relentless downpours of the rainy season in May and September, where totals exceeded 390 mm (15.4 in and 17.2 in, respectively). As the year concludes, the milder December rains provide a harmonious balance, contributing to the lushness of the landscape while signaling a gradual retreat from the heavy precipitation typical of earlier in the year.
In Escazu, Costa Rica, December marks a notable shift in humidity as it settles at 72%, providing a refreshing respite from the heavy moisture of the preceding months. The year begins with consistent humidity levels around 68% in January and February, gradually dipping to a low of 66% by March. As the rainy season approaches, humidity spikes dramatically starting in June, peaking at 85% in July. This elevated moisture stays consistent through the following months, creating a lush atmosphere. By December, the humidity recedes slightly, offering a more comfortable environment that balances the tail end of this tropical climate's wet season. The overall trend reflects a clear rhythm of rising humidity during the summer months, followed by a gradual decline as the year winds down, enriching the region's vibrant ecosystem.
In December, the UV Index in Escazu, Costa Rica experiences a slight decline, settling at a robust 10 in the very high exposure category. This marks a shift from the extreme levels seen in previous months, where the Index ranged from 12 to 15. Despite this decrease, sun seekers should remain vigilant, as the burn time increases to just 15 minutes. This seasonal trend highlights the region's consistently high UV levels throughout the year, making it essential to stay sun-safe while enjoying the beautiful Costa Rican outdoors. To learn more about UV levels in Escazu, check out the detailed info at Escazu UV Index.
UV Risk Categories
December in Escazú, Costa Rica, is a delightful month that bathes the region in abundant sunshine, totaling 291 hours of daylight. As the year draws to a close, the sunshine hours showcase a significant uptick compared to the previous months, particularly post-rainy season, which enhances the charm of this vibrant region. This upward trend contrasts sharply with the foggy days of July and August, which recorded the lowest sunshine hours at just 209 and 213, respectively. As December approaches, the welcoming warmth is reminiscent of the earlier months, yet it stands out with a radiant glow, promising plentiful opportunities for outdoor adventures and relaxation under the sun. Enjoying these sun-soaked days is the perfect way to celebrate the festive season in this picturesque part of Costa Rica.
December in Escazu, Costa Rica, brings a notable shift in weather patterns, offering a 50% chance of sunny days. This figure marks a significant improvement compared to the dreary months of the rainy season, particularly from May through October, when the chances of sunshine dip as low as 6%. As the year comes to a close, the likelihood of clear skies rises, echoing trends seen in the preceding months, where November already presented a 27% chance. With December’s weather poised between wet and dry, it offers an inviting opportunity for travelers looking to bask in the sun before the peak dry season unfolds in January.
In Escazu, Costa Rica, the daylight duration exhibits a gentle rhythm throughout the year, reflecting the region's consistent climate. From January to February, daylight holds steady at 11 hours, creating a balanced start to the year. As spring approaches in March, the days gradually lengthen, reaching a peak of 12 hours by April and continuing through August, offering ample sunlight for outdoor activities. This steady daylight duration underscores the area’s equatorial proximity, ensuring that sunshine is abundant during these months. As September transitions into autumn, the days begin to shorten again, reverting to 11 hours by October and November, before maintaining that duration into December. Overall, the patterns highlight a harmonious interplay of light and time that defines Escazu's vibrant atmosphere year-round.
As December sweeps into Escazu, Costa Rica, the average wind speed experiences a gentle increase, reaching 2.1 m/s (5 mph). This slight uptick follows a trend of fluctuating breezes throughout the year, peaking in early winter months. Notably, after a calm mid-year period, where winds dipped to a mere 1.1 m/s (2 mph) in October, the return of December's invigorating winds breathes new life into the landscape. This transition not only marks a shift in seasonal breezes but also heralds the onset of cooler evenings, inviting residents and visitors to bask in the refreshing outdoor ambiance that only Escazu can offer during this time of year.
Weather in Escazu varies notably across the year, with each month offering distinct climate conditions. This page compares December’s weather to other months in Escazu, focusing on differences in temperature, rainfall, humidity, and UV levels.
In December, the weather tends to be warm with a minimum temperature of 15°C (58°F) and an average of 20°C (68°F), reaching a maximum of 26°C (80°F). However, it is also a bit wetter, with 63 mm (2.5 in) of precipitation over 11 days, contributing to a humidity level of 72%.
In contrast, January experiences slightly cooler temperatures, with a minimum of 13°C (56°F), yet it matches December's average of 20°C (68°F) and sees a higher maximum of 27°C (82°F). Notably, January is drier, receiving only 32 mm (1.3 in) of rain across just 6 days, resulting in a lower humidity of 68%. For more details on January weather, check out Escazu weather in January.
December and February both showcase mild temperatures, but there are notable contrasts between the two months. December has a minimum temperature of 15°C (58°F) and an average of 20°C (68°F), while February starts slightly cooler at 13°C (56°F) but boasts a higher maximum temperature of 28°C (83°F). In terms of precipitation, December sees more rain with 63 mm (2.5 in) across 11 days, compared to February's much drier conditions, which only experience 13 mm (0.5 in) over just 3 days. Additionally, February's humidity is marginally lower at 68% compared to December's 72%. For a detailed look at what to expect in February, check out Escazu weather in February.
In December, the weather is generally warm, with temperatures ranging from a minimum of 15°C (58°F) to a maximum of 26°C (80°F) and an average of 20°C (68°F). The month experiences more precipitation, totaling 63 mm (2.5 in) over about 11 days, resulting in a humidity level of 72%. In contrast, March tends to be slightly warmer, with temperatures ranging from 14°C (57°F) to 28°C (83°F), averaging at 21°C (70°F). Notably, March sees significantly less rainfall, with only 15 mm (0.6 in) over just 4 days, and the humidity decreases to 66%. For more detailed insights on the weather during this month, check out Escazu weather in March.
In December, temperatures range from a minimum of 15°C (58°F) to a maximum of 26°C (80°F), with an average of 20°C (68°F). The month experiences about 63 mm (2.5 in) of precipitation over approximately 11 days, with humidity averaging at 72%. In contrast, April boasts slightly warmer weather, with temperatures ranging from 15°C (58°F) to a maximum of 29°C (85°F) and an average of 21°C (70°F). However, it also sees increased rainfall, totaling 79 mm (3.1 in) across around 16 days, while humidity dips slightly to 67%. For more detailed information, you can check Escazu weather in April.
In December, temperatures in Escazu range from a minimum of 15°C (58°F) to a maximum of 26°C (80°F), with an average of about 20°C (68°F). The month sees around 63 mm (2.5 in) of precipitation over 11 days and maintains a humidity level of 72%. In contrast, May experiences slightly warmer temperatures, with a minimum of 16°C (61°F) and a maximum of 28°C (83°F), averaging 21°C (70°F). However, May is significantly wetter, receiving 391 mm (15.4 in) of rain over 27 days, coupled with a humidity level of 69%. For more detailed information, you can check Escazu weather in May.
When comparing the weather in December and June, we observe a notable increase in both precipitation and humidity in June. December features a more moderate climate with average temperatures ranging from 15°C (58°F) to 26°C (80°F) and only 63 mm (2.5 in) of rainfall over 11 days. In contrast, June experiences slightly higher temperatures, with an average ranging from 16°C (60°F) to 27°C (81°F), but it also sees much heavier rainfall at 351 mm (13.8 in) spread over 27 days, accompanied by higher humidity levels at 84%. For more information on the weather during this month, check out Escazu weather in June.
In December, the weather is characterized by milder temperatures, with a minimum of 15°C (58°F) and an average of 20°C (68°F), reaching a maximum of 26°C (80°F). The month sees around 63 mm (2.5 in) of precipitation spread over 11 days, resulting in a humidity level of 72%. In contrast, July experiences slightly warmer temperatures, with a minimum of 16°C (61°F) and an average of 21°C (69°F), peaking at 27°C (81°F). However, it is significantly wetter, receiving 233 mm (9.2 in) of rainfall over 26 days, accompanied by higher humidity at 85%. For more details on the July climate, visit Escazu weather in July.
In December, the weather tends to be pleasantly warm, with temperatures ranging from a minimum of 15°C (58°F) to a maximum of 26°C (80°F) and averaging around 20°C (68°F). The month sees moderate precipitation of 63 mm (2.5 in) spread over about 11 days, accompanied by a humidity level of 72%.
Contrastingly, August experiences slightly higher temperatures, with a minimum of 16°C (60°F) and a maximum of 28°C (82°F), while maintaining an average of 20°C (69°F). However, it is considerably wetter during this month, with precipitation reaching 331 mm (13.0 in) over 26 days, resulting in higher humidity at 82%. This makes August a more humid and rainy month compared to the drier and milder December. For more details on the August weather, you can check Escazu weather in August.
December and September exhibit distinct weather patterns, despite having similar average temperatures. In December, temperatures range from a minimum of 15°C (58°F) to a maximum of 26°C (80°F), with an average of 20°C (68°F). The month experiences much less precipitation, at 63 mm (2.5 in), spread over approximately 11 days, and maintains a humidity level of 72%. In contrast, September tends to be much wetter, receiving 436 mm (17.2 in) of rain over 28 days and displaying a higher humidity level of 81%. Both months share similar minimum and average temperatures, but September's extended rainfall significantly impacts the overall weather experience. For more details on September's weather specifics, check out Escazu weather in September.
In comparing the weather of December and October, we observe some distinctive differences. Both months share similar average temperatures, with December experiencing a minimum of 15°C (58°F) and a maximum of 26°C (80°F), while October also has a minimum of 15°C (60°F) and a slightly higher maximum of 27°C (80°F). However, October is significantly wetter, with a staggering 570 mm (22.4 in) of precipitation over 29 days compared to December's much lower 63 mm (2.5 in) of precipitation across 11 days. Additionally, humidity levels are higher in October at 80%, compared to December's 72%. For further details about the weather specifics, you can visit Escazu weather in October.
In comparing the weather between November and December, both months experience similar temperature ranges, with minimums around 15°C (58°F), average temperatures of 20°C (68°F), and maximums peaking at approximately 26°C (80°F). However, December sees a significant decrease in precipitation, with only 63 mm (2.5 in) over 11 days, compared to November's 209 mm (8.2 in) spread across 19 days. Additionally, humidity levels are lower in December at 72%, compared to November's 80%, making December slightly more comfortable. For more detailed comparisons, you can check Escazu weather in November.
As December unfolds in Escazú, it brings a refreshing change from the warmer months, with temperatures averaging around 20°C. This transitional month is characterized by a blend of pleasant warmth during the day and cooler evenings, creating the perfect atmosphere for outdoor activities. While the likelihood of rain increases with approximately 11 days of precipitation, the overall humidity of 72% adds a comforting feel to the air. This unique weather pattern makes December distinctively vibrant, setting the stage for the festive season and inviting both locals and visitors to embrace its charm. For a deeper dive into the weather trends of Escazú, explore the Escazu Climate page.