December Weather in Sarchi, Costa Rica

Last updated: August 21, 2025

December in Sarchi, Costa Rica offers a delightful climate characterized by a comfortable average temperature of 20°C (68°F), with daily highs around 26°C (80°F) and lows dipping to 15°C (58°F). This month experiences moderate rainfall, totaling 63 mm (2.5 in) over about 11 days, contributing to the lush greenery the region is known for. With humidity levels at a balmy 72%, visitors can expect a refreshing atmosphere, ideal for exploring the vibrant culture and stunning landscapes of Sarchi.

December Temperature in Sarchi

In December, Sarchi, Costa Rica experiences mild and pleasant temperatures, with minimums around 15°C (58°F) and maximums reaching up to 26°C (80°F). The average temperature remains consistent at 20°C (68°F), mirroring the comfortable conditions seen in the preceding months. As the year winds down, December offers a delightful climate that invites both locals and visitors to enjoy outdoor activities amidst lush landscapes. This month marks the beginning of the dry season, making it an ideal time to explore the vibrant culture and breathtaking scenery of Sarchi, all while basking in its moderate warmth.

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

The chart illustrates December temperature patterns in Sarchi, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Sarchi, 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).
JanFebMarAprMayJunJulAugSepOctNovDec686969706969696968686868
Data source: Temperature data for Sarchi 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 Sarchi

In December, Sarchi, Costa Rica experiences a noticeable shift in its precipitation patterns as the rain begins to taper off from the heavy downpours of previous months. With an average of 63 mm (2.5 in) of rainfall spread over 11 days, December marks a transition towards the drier season, although it still retains a significant amount of moisture compared to the earlier months of the year. This period is characterized by a reduction in precipitation days when compared to the peaks of September and October, which saw nearly a month of persistent rain. Despite this decline, December's rainfall is a crucial contributor to the region's lush greenery, making it an appealing time for visitors to experience nature's vibrant beauty while enjoying more comfortable weather.

December Precipitation Trends in Sarchi

The chart displays monthly precipitation patterns in Sarchi, 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 Sarchi, December typically receives around {2} mm ({3} inches) of precipitation spread over approximately {4} days.
JanFebMarAprMayJunJulAugSepOctNovDec3213157939135123333143657020963
Data source: Precipitation data for December generated using information from the Copernicus Climate Change Service.
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December Humidity in Sarchi

In December, Sarchi, Costa Rica experiences a noticeable drop in humidity, settling at 72% after a humid peak in the previous months. This month marks a gentle transition from the intense humidity of the rainy season, which peaks around July and June at an average of 84% and 85%, respectively. As the year winds down, humidity levels gradually decrease, easing into the dry season that follows. This pattern highlights a moderate humidity environment that's pleasant for those looking to explore the vibrant landscapes of Sarchi, making December an inviting time for visitors and locals alike.

December Average Humidity in Sarchi

This chart illustrates the average monthly humidity levels in Sarchi, 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 Sarchi is approximately {2}%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec68%68%66%67%69%84%85%82%81%80%80%73%
Data source: Humidity data for December generated using information from the Copernicus Climate Change Service.

December UV Index in Sarchi

As December unfolds in Sarchi, Costa Rica, the UV Index stands at 10, categorized as very high. This marks a slight decrease from the previous months, where the index hovered predominantly between 12 and 15, indicating an extreme level of sun exposure. Interestingly, while the burn time increases to 15 minutes this month, it's essential for sun-seekers to remain vigilant. The trend clearly demonstrates Sarchi's persistence in high UV radiation levels year-round, making sun safety a priority for locals and visitors alike. For those planning outdoor activities, stay informed about the UV Index to ensure a safe and enjoyable experience by visiting Sarchi UV Index.

Maximum UV Index Levels in Sarchi for December

The chart shows the monthly maximum UV Index (UVI) for Sarchi 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 Sarchi typically reaches {2}, which falls under the {3} exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec121315151414141313141210
Data source: Sarchi 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 Sarchi

In December, Sarchi, Costa Rica, basks in a delightful 291 hours of sunshine, making it a fantastic time to explore this vibrant region. As the year winds down, the hours of sunlight reflect a charming oscillation, peaking in March with 329 hours before gradually tapering off in the rainy months of May through July, where sunshine dips to around 209 to 235 hours. Yet, the arrival of December ushers in a return to brighter days, showcasing a significant recovery from the summer's cloudier spells. This trend of fluctuating sunlight not only enriches Sarchi's lush landscapes but also enhances its reputation as a warm getaway, perfect for locals and visitors alike who seek both adventure and relaxation under the Costa Rican sun.

Monthly Sunshine Duration in Sarchi: December Highlighted

The December sunshine duration represents the total number of hours Sarchi 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.
JanFebMarAprMayJunJulAugSepOctNovDec249h296h329h300h235h226h209h213h230h211h229h291h
Data source: Sarchi December Sunshine duration data generated using information from the Copernicus Climate Change Service.

Chance of Sun in Sarchi During December

In December, Sarchi, Costa Rica, enjoys a 50% chance of sunny weather, making it a favorable time for those seeking bright days as the year wraps up. This likelihood is a noticeable increase compared to the preceding months, particularly when you consider the 14% chance of sun in the height of the rainy season earlier in the year. Following a gradual rise from November's 27%, December's forecast hints at a transition towards a drier climate, setting the stage for the sun-soaked months ahead in January and February. Travelers can expect a delightful mix of reassuring sunshine amidst the enchanting landscapes that Sarchi has to offer.

Percentage of Sunny Days in December in Sarchi

The chart illustrates the percentage of sunny days in Sarchi 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 Sarchi experiences clear skies throughout the year.
JanFebMarAprMayJunJulAugSepOctNovDec52%48%45%20%14%14%17%6%8%14%27%50%
Data source: Sarchi December chance of sun data, generated using information from the Copernicus Climate Change Service.

Daylight Hours in Sarchi in December

In Sarchi, Costa Rica, the daylight duration exhibits a fascinating rhythm throughout the year. As we transition into December, residents and visitors alike can enjoy approximately 11 hours of sunlight, similar to the preceding months of January and February. This gradual shift from the longer days of 12 hours experienced from March to October signals the region's unique climate patterns. Notably, daylight begins to recede in late October and remains consistent at 11 hours through the end of the year, creating a cozy ambiance that complements the festive spirit of the holiday season. Throughout the year, Sarchi's relatively stable daylight hours offer a blend of natural beauty and harmonious living, making it an ideal destination all year round.

Average Daylight Hours in Sarchi for December

The chart illustrates the variation in daylight duration in Sarchi throughout the year, with December highlighted. It shows the monthly changes in daylight hours, calculated by summing the hours between sunrise and sunset.
JanFebMarAprMayJunJulAugSepOctNovDec11h 35m11h 47m12h 3m12h 20m12h 34m12h 41m12h 37m12h 25m12h 9m11h 52m11h 38m11h 32m
Data source: Sarchi daylight hours, calculated by summing the hours between sunrise and sunset for each day.

December Winds in Sarchi

In Sarchi, Costa Rica, December ushers in a refreshing shift in the weather, showcasing an average wind speed of 2.1 m/s (5 mph). This slight uptick from November's 1.7 m/s (4 mph) marks a transition as the year draws to a close, bringing more invigorating breezes after the typically calmer months of June through October, where wind speeds hovered around 1.1 to 1.5 m/s (2 to 3 mph). As the holiday season approaches, the gentle winds create a delightful atmosphere, inviting visitors to indulge in the vibrant surroundings and enjoy outdoor activities. With wind speeds returning to early-year norms, Sarchi embraces a lively December that carries the promise of adventure and natural beauty.

Average December Wind Speed in Sarchi

The chart displays monthly wind speed patterns in Sarchi, 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.
JanFebMarAprMayJunJulAugSepOctNovDec2.42.22.31.71.51.21.51.11.21.11.72.1 m/s
Data source: Sarchi December wind data, generated using information from the Copernicus Climate Change Service.

How December Weather in Sarchi Compares to Other Months

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

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 also sees considerable rainfall, with a total of 63 mm (2.5 in) spread 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) and a maximum of 27°C (82°F), while maintaining the same average of 20°C (68°F). January is notably drier, receiving only 32 mm (1.3 in) of precipitation over just 6 days, resulting in a lower humidity of 68%. For more details about the weather in January, check out Sarchi weather in January.

December and February exhibit mild and pleasant weather, but there are notable differences between the two months. December has slightly warmer average temperatures, with a minimum of 15°C (58°F) and a maximum of 26°C (80°F), while February sees a minimum of 13°C (56°F) and a higher maximum of 28°C (83°F). In terms of precipitation, December is considerably wetter, receiving 63 mm (2.5 in) of rain over 11 days, compared to February's much drier climate with only 13 mm (0.5 in) falling over just 3 days. Humidity levels are also marginally lower in February at 68%, compared to December's 72%. For more specific details about February weather, you can visit Sarchi weather in February.

In December, the weather tends to be 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). This month sees a fair amount of precipitation, with around 63 mm (2.5 in) falling over approximately 11 days, contributing to a humidity level of 72%.

In contrast, March experiences slightly higher temperatures, ranging from a minimum of 14°C (57°F) to a maximum of 28°C (83°F) and an average of 21°C (70°F). The month is considerably drier, with only 15 mm (0.6 in) of rainfall recorded over about 4 days, resulting in lower humidity at 66%. For more detailed insights, you can visit Sarchi weather in March.

When comparing the weather in December and April, we observe some notable differences. December features temperatures ranging from a minimum of 15°C (58°F) to a maximum of 26°C (80°F), with an average of 20°C (68°F), and experiences 63 mm (2.5 in) of precipitation over 11 days, coupled with a humidity level of 72%. In contrast, April sees slightly warmer temperatures with a minimum of 15°C (58°F), an average of 21°C (70°F), and a maximum of 29°C (85°F). April also has higher precipitation at 79 mm (3.1 in) across 16 days, but slightly lower humidity at 67%. For more detailed information, you can check Sarchi weather in April.

In comparing the weather between December and May, we observe a slight increase in temperature during May, with minimums of 16°C (61°F) and maximums reaching 28°C (83°F), compared to December's range of 15°C (58°F) to 26°C (80°F). However, May is significantly wetter, receiving an average precipitation of 391 mm (15.4 in) over 27 days, while December sees only 63 mm (2.5 in) across 11 days. Humidity levels remain relatively close, with December at 72% and May slightly lower at 69%. For more detailed information, you can check Sarchi weather in May.

In December, the weather tends to be mild, 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 sees about 63 mm (2.5 in) of precipitation spread over 11 days, maintaining a comfortable humidity level of 72%. In contrast, June is slightly warmer, with temperatures varying from 16°C (60°F) to 27°C (81°F) and an average of 21°C (70°F). However, June experiences significantly more rainfall, totaling 351 mm (13.8 in) over 27 days, resulting in a higher humidity level of 84%. For a deeper understanding of the climate during this month, you can explore Sarchi weather in June.

In December, temperatures in Sarchi are generally mild, with a minimum of 15°C (58°F), an average of 20°C (68°F), and a maximum of 26°C (80°F). The month experiences about 63 mm (2.5 in) of precipitation over 11 days, accompanied by a humidity level of 72%. In contrast, July brings slightly warmer temperatures, with a minimum of 16°C (61°F), an average of 21°C (69°F), and a peak of 27°C (81°F). However, this month is significantly wetter, recording 233 mm (9.2 in) of rain spread over 26 days, which results in higher humidity at 85%. For more detailed information, you can check out Sarchi weather in July.

When comparing the weather in December and August, it's clear that both months offer warm temperatures, but they differ significantly in precipitation and humidity levels. December has a minimum temperature of 15°C (58°F) and a maximum of 26°C (80°F), with average precipitation of 63 mm (2.5 in) over 11 days, resulting in a relatively moderate humidity of 72%. In contrast, August sees slightly cooler minimum temperatures at 16°C (60°F) but higher maximum temperatures reaching 28°C (82°F). The month is marked by significantly heavier rainfall, totaling 331 mm (13.0 in) over 26 days, which contributes to a higher humidity level of 82%. For a closer look at weather specifics for Sarchi, you can view Sarchi weather in August.

When comparing the weather in December and September, we can see some notable differences. December features milder temperatures with a minimum of 15°C (58°F), an average of 20°C (68°F), and a maximum of 26°C (80°F). In contrast, September has a similar minimum temperature of 15°C (60°F) but boasts a slightly higher maximum of 27°C (80°F) and averages around 20°C (69°F). Precipitation is significantly greater in September, with 436 mm (17.2 in) spread over 28 days, while December sees much less rain, totaling 63 mm (2.5 in) over just 11 days. Additionally, September has higher humidity levels at 81%, compared to December's 72%. For more details on September weather specifically, you can refer to Sarchi weather in September.

In comparing the weather of December and October, we see some notable differences. Both months have a similar average temperature of around 20°C (68°F), with December's temperatures ranging from a minimum of 15°C (58°F) to a maximum of 26°C (80°F), while October's range is slightly higher with a maximum of 27°C (80°F). However, October experiences significantly more rainfall, with 570 mm (22.4 in) over 29 days, compared to December's 63 mm (2.5 in) over 11 days. This results in October having a higher humidity level of 80%, in contrast to December's 72%. For a closer look at October weather specifics, you can visit Sarchi weather in October.

In comparing the weather between November and December, both months have similar temperature ranges, with minima around 15°C (59°F), average temperatures of 20°C (68°F), and maxima reaching up to 26°C (80°F). However, December is notably drier, with only 63 mm (2.5 in) of precipitation over 11 days, compared to November's 209 mm (8.2 in) spread across 19 days. Additionally, December sees slightly lower humidity at 72%, while November maintains a higher humidity level of 80%. For more details on November's weather patterns, you can check out Sarchi weather in November.

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Conclusion: What to Expect From December Weather in Sarchi

As December unfolds in Sarchi, the transition to the wet season becomes evident, marked by a noticeable increase in precipitation compared to the drier months preceding it. With rain gracing the landscape on about 11 days, the lush greenery thrives, while the average temperature remains a comfortable 20°C, inviting visitors to enjoy the refreshing atmosphere. Despite the occasional showers, the humidity levels at 72% can enhance the warm, tropical feel, making it distinct from the cooler, drier periods earlier in the year. For a deeper dive into the climatic nuances of Sarchi, check out Sarchi Climate.