Last updated: August 21, 2025
December in Tilaran, Costa Rica brings a delightful tropical climate characterized by average temperatures around 23°C (74°F), with a maximum soaring to 30°C (86°F) and dipping to a minimum of 18°C (65°F). Visitors can expect to experience a lush environment, as this month averages 57 mm (2.2 in) of rainfall spread over 14 days, contributing to a humidity level of 70%. While the rain may prompt short bursts of cooling downpours, it enhances the vibrant, green landscapes that define this enchanting region. Whether you’re hiking through breathtaking scenery or simply enjoying the local culture, December offers the perfect blend of warmth and refreshing rain.
In December, Tilaran, Costa Rica, experiences a delightful transition as temperatures begin to cool slightly from the peak warmth of earlier months. With minimums averaging around 18°C (65°F) and average highs reaching 30°C (86°F), the climate remains inviting for visitors seeking to explore the region's lush landscapes. The consistent average temperature of 23°C (74°F) offers a perfect balance, making December an ideal time for outdoor adventures and enjoying the vibrant local culture. As the year draws to a close, the pleasant weather and reduced humidity create a charming ambiance that enhances the experience of this picturesque town in the heart of Costa Rica.
In December, Tilaran experiences a noticeable shift in precipitation patterns as it transitions from the peak rainy season. With 57 mm (2.2 in) of rain falling over 14 days, this month marks a significant reduction compared to previous months, yet still showcases the region's lush, green environment. Notably, December's rainfall is lighter than the torrential downpours of earlier months, such as October, where precipitation peaked at 385 mm (15.2 in) over 29 days. As the festive season unfolds, the more moderate rainfall allows for a pleasant climate, balancing the remnants of the wet season with the anticipation of a drier January ahead. This combination makes December a unique time in Tilaran, celebrating the beauty of nature while hinting at the gradual retreat of the rains.
In Tilaran, Costa Rica, December marks a notable shift in humidity levels, with an average of 70% that provides a refreshing respite from the peak wet months. As the year progresses, humidity rises significantly during the mid-year, reaching a high of 85% in July, while the overall trend suggests a gradual increase beginning in June. Interestingly, December's humidity lingers above the lower rates seen in the early months, such as January's 66% and February's 64%. This decrease from the summer highs hints at the onset of the dry season, offering a unique blend of comfortable moisture without the oppressive heaviness of earlier months. The shift in humidity not only enhances the region’s lush landscapes but also creates a vibrant atmosphere perfect for exploration.
In December, Tilaran, Costa Rica experiences a UV Index of 10, categorized as very high, which offers a slight reprieve from the extreme levels seen in previous months. While the burn time extends to 15 minutes, it's crucial to remain vigilant when enjoying the outdoors. This month signals a gradual decline from the peak UV Index of 14 observed from March through July, reminding residents and visitors alike to protect their skin while still enjoying the beautiful sunny days. As the year winds down, understanding these trends helps ensure safety under the Costa Rican sun. For more detailed information, check out the Tilaran UV Index.
UV Risk Categories
December in Tilaran, Costa Rica, shines bright with an impressive 316 hours of sunshine, continuing the trend of plentiful sunlight as the year draws to a close. This month showcases a significant increase compared to the previous months, rising from the lower average of 257 hours in September and a dip in October with only 236 hours. As the festive spirit of the holiday season arrives, December's sunny skies offer a delightful contrast to the rainier days experienced earlier in the year. The upward trend from November’s 286 hours solidifies December as a time to bask in warmth and vibrant natural beauty, making it an ideal moment for outdoor adventures and relaxation in this tropical paradise.
In Tilaran, Costa Rica, December heralds a significant return to sunnier skies, with a 44% chance of sunshine. This increase marks a noticeable shift as the likelihood of clear weather notably dip during the preceding months. While November wraps up the rainy season with a 22% chance of sun, December sets the stage for brighter days, suggesting a resurgence of dry and sunny conditions as the year comes to a close. Comparatively, the sunniest months of January and February hover around 42% and 49%, respectively, indicating that December provides a perfect preview of the sun-drenched days ahead. Embrace the pleasant weather as Tilaran transitions from the wet season, offering a delightful backdrop for exploration and relaxation.
In Tilaran, Costa Rica, the December daylight duration mirrors the shorter days of November, offering 11 hours of sunlight as the year draws to a close. This post-autumn trend is consistent, revealing a shift from the longer days experienced from March to September, when daylight stretches to a full 12 hours. As the calendar transitions from the vibrant heart of the rainy season to the drier months, daylight becomes more stable, with the hours tapering off in October and November before settling back to the familiar 11-hour rhythm in December. The overall pattern highlights Tilaran's unique climate, where daylight remains relatively consistent year-round, making it a captivating destination for those seeking both adventure and serenity.
As December arrives in Tilaran, Costa Rica, the average wind speed picks up to 3.7 m/s (8 mph), providing a refreshing breath of air as the year draws to a close. After the calmest months of June and August, where winds dipped to a gentle 1.8 m/s (4 mph) and 1.6 m/s (4 mph) respectively, there's a notable uptick in activity. This month’s breezy conditions are a shift from the lull experienced earlier in the year, particularly when compared to the higher velocities seen in January and February, averaging around 4.1 to 4.2 m/s. December's winds offer a comfortable medium, striking a balance that enhances the region's natural beauty, inviting residents and visitors alike to enjoy the captivating landscapes under the gentle sway of the wind.
Weather in Tilaran varies notably across the year, with each month offering distinct climate conditions. This page compares December’s weather to other months in Tilaran, focusing on differences in temperature, rainfall, humidity, and UV levels.
December and January in Tilaran exhibit similar average temperatures, with both months experiencing a consistent average of 23°C (74°F) and highs reaching up to 30°C (86°F). However, December tends to be slightly warmer at night, with a minimum temperature of 18°C (65°F) compared to January's 15°C (60°F). In terms of precipitation, December is notably wetter, receiving 57 mm (2.2 in) of rain over 14 days, while January sees a more moderate 27 mm (1.1 in) over just 6 days. Additionally, humidity levels are slightly higher in December at 70%, compared to 66% in January, making January feel slightly less humid overall. For more detailed information, you can explore Tilaran weather in January.
In December, the weather tends to be warm with temperatures ranging from a minimum of 18°C (65°F) to a maximum of 30°C (86°F), averaging around 23°C (74°F). However, this month sees higher precipitation, accumulating 57 mm (2.2 in) over approximately 14 days, contributing to a humidity level of 70%. In contrast, February experiences slightly warmer temperatures, with a minimum of 18°C (64°F) and a maximum reaching 33°C (91°F), averaging 24°C (75°F). Notably, February is much drier, with only 8 mm (0.3 in) of rain over just a single day, resulting in a lower humidity level of 64%. For more detailed insights, refer to Tilaran weather in February.
In comparing the weather between December and March, we can observe a few notable differences. December typically has a temperature range that spans from a minimum of 18°C (65°F) to a maximum of 30°C (86°F), with an average temperature of 23°C (74°F) and a higher precipitation rate of 57 mm (2.2 in) over 14 days, accompanied by a humidity level of 70%. In contrast, March experiences slightly warmer temperatures, with a minimum of 18°C (64°F) and a maximum of 32°C (90°F), averaging 24°C (75°F). The month also sees significantly less rainfall, totaling just 9 mm (0.4 in) over only 2 days, and a lower humidity level of 63%. For more specific weather details in March, you can visit Tilaran weather in March.
In December, the weather in Tilaran features a warm range with minimum temperatures around 18°C (65°F) and maximums reaching 30°C (86°F). While the average temperature is slightly lower at 23°C (74°F), the month sees considerable humidity at 70% and 57 mm (2.2 in) of precipitation over 14 days.
In contrast, April presents a warmer climate, with average temperatures increasing to 25°C (77°F) and maximums peaking at 33°C (92°F). Despite similar minimum temperatures of 18°C (65°F), April experiences slightly less rain at 54 mm (2.1 in) across 11 days, and the humidity is lower at 63%. For more detailed insights on April weather, visit Tilaran weather in April.
In December, the weather is typically warm with temperatures ranging from a minimum of 18°C (65°F) to a maximum of 30°C (86°F), averaging around 23°C (74°F). This month experiences about 57 mm (2.2 in) of precipitation over approximately 14 days, with humidity levels reaching 70%. In contrast, May sees slightly warmer temperatures, with a minimum of 20°C (69°F) and a maximum of 33°C (91°F), averaging 25°C (77°F). However, May is much wetter, with a significant increase in rainfall to 264 mm (10.4 in) over about 25 days, and a lower humidity level of 63%. For more detailed insights, check out Tilaran weather in May.
December and June exhibit notable differences in weather patterns. In December, temperatures range from a minimum of 18°C (65°F) to a maximum of 30°C (86°F), with an average of 23°C (74°F). The month receives about 57 mm (2.2 in) of precipitation over approximately 14 days, and the humidity level rests around 70%. In contrast, June is warmer, with minimum temperatures starting at 20°C (69°F) and peaking at 31°C (88°F), averaging 25°C (76°F). However, June experiences significantly more rainfall, totaling 290 mm (11.4 in) across 28 days, and a slight increase in humidity at 74%. For a deeper look at June's weather, you can check out Tilaran weather in June.
In December, Tilaran experiences warm temperatures with a minimum of 18°C (65°F) and an average of 23°C (74°F), peaking at a maximum of 30°C (86°F). The month sees a moderate amount of rainfall, totaling 57 mm (2.2 in) over about 14 days, and the humidity levels are around 70%.
In contrast, July tends to be slightly warmer with a minimum temperature of 20°C (69°F) and an average of 24°C (76°F), reaching a maximum of 31°C (88°F). However, it also brings significantly more precipitation, accumulating 159 mm (6.3 in) over 25 days, accompanied by higher humidity levels of 85%. This comparison highlights the marked difference in rainfall and humidity between the two months. For more detailed information, you can check Tilaran weather in July.
In December, the weather is generally milder with temperatures ranging from a minimum of 18°C (65°F) to a maximum of 30°C (86°F) and an average of 23°C (74°F). With 57 mm (2.2 in) of precipitation over 14 days, the humidity sits at a comfortable 70%. In contrast, August experiences slightly warmer temperatures, with a minimum of 20°C (69°F) and a maximum of 32°C (90°F), averaging 24°C (76°F). However, August is much wetter, receiving 275 mm (10.8 in) of rain over 26 days and a higher humidity level of 82%. For more detailed information on August weather, you can check Tilaran weather in August.
When comparing the weather in December and September, we see some distinct differences. December generally enjoys a warmer climate, with average temperatures ranging from a minimum of 18°C (65°F) to a maximum of 30°C (86°F), while September has slightly higher temperatures, with averages between 20°C (69°F) and 32°C (89°F). However, September is marked by significantly higher precipitation, totaling 265 mm (10.4 in) over 29 days, in contrast to December’s 57 mm (2.2 in) spread over just 14 days. Additionally, humidity levels are slightly higher in September at 80%, compared to December's 70%. For more details on September weather in this region, you can visit Tilaran weather in September.
When comparing the weather in December and October, December offers slightly cooler temperatures, with daytime averages around 23°C (74°F) compared to October's average of 24°C (75°F). Notably, both months can reach maximum temperatures of 30°C (86°F) and 87°F, respectively. However, October is significantly wetter, experiencing 385 mm (15.2 in) of rainfall over 29 days, while December sees only 57 mm (2.2 in) across 14 days. Humidity levels are also higher in October at 79% compared to December's 70%. For a more detailed look at October weather, you can visit Tilaran weather in October.
In comparing the weather between November and December, we see some notable differences. December features a slightly lower minimum temperature of 18°C (65°F) compared to November's 19°C (67°F), while the average temperatures are similar, with December averaging 23°C (74°F) and November at 24°C (75°F). Both months share a maximum temperature of 30°C (86°F). However, December experiences significantly less precipitation, totaling 57 mm (2.2 in) over 14 days, in contrast to November's much wetter conditions with 159 mm (6.2 in) over 23 days. Additionally, December has lower humidity at 70%, compared to November’s higher 79%. For a more detailed look at November weather, you can check Tilaran weather in November.
As December unfolds in Tilaran, the weather begins to showcase a unique charm, distinguishing it from the drier months that precede it. Temperatures hover comfortably around a pleasant average, inviting visitors to explore the lush surroundings. However, the month also brings a notable increase in precipitation, with over two weeks experiencing rain, contributing to the region's vibrant greenery. This humidity creates a refreshing atmosphere, making December a transitional month that beautifully balances warmth with the onset of the rainy season. Whether you're planning an adventure or simply soaking in the scenery, Tilaran's December weather is undeniably enchanting. For more details, check out Tilaran Climate.