Last updated: August 21, 2025
In December, Nicoya, Costa Rica experiences a delightful tropical climate, with temperatures reaching a maximum of 35°C (95°F) and an average of 27°C (80°F), providing perfect conditions for outdoor activities. Visitors can expect a comfortable minimum temperature of 20°C (69°F) during the evenings. Rainfall is relatively low this month, with only 31 mm (1.2 in) of precipitation spread over 4 days, allowing for plenty of sunny moments to enjoy the lush surroundings. The humidity levels hover around 70%, contributing to the vibrant atmosphere of this beautiful coastal region. Whether you're looking to relax on the beaches or explore the scenic landscapes, December in Nicoya offers an ideal getaway.
In December, Nicoya, Costa Rica, showcases a pleasant transition as the dry season approaches. With minimum temperatures around 20°C (69°F) and an average of 27°C (80°F), this month offers a delightful warmth perfect for outdoor adventures. The maximum temperature reaches a comfortable 35°C (95°F), making it ideal for beach goers and nature enthusiasts alike. Notably, December’s temperatures closely resemble those of November, maintaining a consistent warmth while hinting at the higher averages seen in earlier months like April and May. As the year winds down, the milder and more stable climate makes Nicoya a captivating destination for travelers seeking both relaxation and natural beauty.
In December, Nicoya, Costa Rica experiences a notable shift in precipitation, with 31 mm (1.2 in) of rainfall spread across 4 days. This marks a transition from the heavy rains of the preceding months, particularly the wettest October and September, which see averages of 407 mm (16.0 in) and 353 mm (13.9 in) respectively. As the year comes to a close, the rainfall subsides, suggesting a gradual return to drier conditions that begin to characterize the dry season. This drop in precipitation is a precursor to the traditionally sunny months ahead, allowing both residents and visitors to enjoy a clearer, more vibrant atmosphere in Nicoya.
As the year transitions into December, Nicoya, Costa Rica experiences a noteworthy drop in humidity, with levels averaging 70%—slightly lower compared to the preceding months when humidity peaked above 80% during the rainy season. The gradual decline from the sweltering 85% in July presents a refreshing change, hinting at the end of the wet season. However, December's humidity still retains a sense of tropical warmth, making it a comfortable time for outdoor adventures. Enveloped in lush greenery and vibrant landscapes, this month captures the perfect blend of moisture and mild temperatures, inviting visitors to explore Nicoya's natural beauty.
In December, the UV Index in Nicoya, Costa Rica, dips slightly to 10, categorized as very high, which extends the recommended burn time to 15 minutes. This trend reflects a gradual decrease from the summer months, where the UV Index peaked at an extreme 14 from March through July. As the year winds down, the index remains elevated, urging locals and visitors alike to stay vigilant about sun protection. With its predominantly sunny climate year-round, Nicoya maintains a consistent risk of high UV exposure, particularly in the earlier months. Those planning outdoor activities should remain informed and prepared, as even in December, the potential for sunburn is significant. For more detailed information, check out the Nicoya UV Index.
UV Risk Categories
In Nicoya, Costa Rica, December shines brightly with 322 hours of sunshine, maintaining a strong trend of abundant sunlight as the year ends. Following a consistent pattern, the month showcases a significant amount of daylight, almost on par with the preceding months of April and July, both of which also boast over 320 hours. This abundance is a delightful continuation from the previous month, November, which recorded 296 hours. As the dry season approaches, December not only wraps up the year with vibrant sun exposure but also sets a promising stage for the bright months ahead in this tropical paradise.
In Nicoya, Costa Rica, the likelihood of sunny weather in December stands at an impressive 72%, marking a significant increase from previous months. This trend reflects the transition into the dry season, where clear skies become more frequent after the rain-heavy months of October and November. While January and February see slightly higher probabilities of sunshine at 60% and 67% respectively, December's forecast offers a delightful promise of sunny days, making it an enticing time for visitors seeking warmth and bright weather. As the year wraps up, the allure of Nicoya's December sun beckons those looking to bask in the beauty of Costa Rica's serene beaches and vibrant landscapes.
In Nicoya, Costa Rica, the rhythm of daylight shifts gently throughout the year, revealing an interesting pattern. From January to February, the sun graces the region with 11 hours of daylight, setting a consistent tone. As spring approaches in March, the days stretch to 12 hours of light, maintaining this brightness through the lush months of April to September. However, as the year closes, daylight recedes, returning to 11 hours in October and lingering at that duration through November and December. This subtle ebb and flow creates a captivating ambience, underscoring the beauty of each season while showcasing the predictability of Nicoya's tropical climate.
As December rolls in, the winds in Nicoya, Costa Rica bring a gentle shift compared to the earlier months of the year. With an average wind speed of 2.8 m/s (6 mph), December's breezes are noticeably milder than the lively gusts of March, which peak at 4.0 m/s (9 mph). Following the seasonal pattern, the wind begins to taper off from its earlier highs, showcasing a delicate balance against the backdrop of the region’s lush landscapes. The month seems to echo the quiet, reflective essence of the holiday season, inviting both locals and visitors to enjoy the tranquil ambiance that the Nicoya Peninsula offers as it prepares for the tropical warmth of January.
Weather in Nicoya varies notably across the year, with each month offering distinct climate conditions. This page compares December’s weather to other months in Nicoya, focusing on differences in temperature, rainfall, humidity, and UV levels.
In December, temperatures in Nicoya range from a minimum of 20°C (69°F) to a maximum of 35°C (95°F), with an average temperature of 27°C (80°F). The month experiences about 31 mm (1.2 in) of precipitation over approximately 4 days, and humidity levels are around 70%. In contrast, January offers slightly cooler nights with a minimum temperature of 17°C (64°F) and slightly warmer days with a maximum of 36°C (97°F), while the average remains similar at 27°C (81°F). Precipitation decreases to 12 mm (0.5 in) over just 2 days, and humidity drops to 66%. For a more detailed look at Nicoya's January weather, you can visit Nicoya weather in January.
December and February present distinct weather patterns. In December, temperatures range from a minimum of 20°C (69°F) to a maximum of 35°C (95°F), with an average of 27°C (80°F). This month sees moderate precipitation of 31 mm (1.2 in) over four days, alongside a humidity level of 70%. In contrast, February experience slightly cooler nights with a minimum temperature of 19°C (66°F) and a higher maximum at 37°C (99°F), averaging 28°C (82°F). Notably, February has significantly less rainfall, with only 2 mm (0.1 in) and no rainy days, while humidity drops to 64%. For more detailed insights, check out Nicoya weather in February.
In December, the weather is warm, with temperatures ranging from a minimum of 20°C (69°F) to a maximum of 35°C (95°F), and an average of 27°C (80°F). This month experiences some precipitation, with a total of 31 mm (1.2 in) over four days, coupled with a humidity level of 70%. In contrast, March sees slightly higher average temperatures at 28°C (83°F), peaking at 37°C (99°F), but with significantly less rain, just 4 mm (0.1 in) and no rainy days. The humidity also dips to 63% in March, making it feel somewhat drier compared to December. For more details on the weather during this month, you can visit Nicoya weather in March.
In December, the weather tends to be warm and pleasant, with average temperatures ranging from a minimum of 20°C (69°F) to a maximum of 35°C (95°F) and relatively low precipitation at 31 mm (1.2 in) over just 4 rainy days. This month experiences higher humidity at around 70%, making the warmth feel quite steamy.
In contrast, April sees slightly higher temperatures, with a minimum of 22°C (71°F) and a maximum that can climb to 39°C (102°F). The month is also wetter, with 51 mm (2.0 in) of precipitation spread across 9 days. However, the humidity drops to 63%, which can make the heat feel more bearable in comparison. For more specific insights on the climate, you can explore Nicoya weather in April.
In comparing the weather between December and May, December boasts warmer temperatures with a minimum of 20°C (69°F) and an average of 27°C (80°F), peaking at 35°C (95°F). This month experiences relatively low precipitation at 31 mm (1.2 in) over just 4 days and maintains a higher humidity level at 70%. In contrast, May tends to be hotter, featuring a minimum temperature of 23°C (73°F) and an average of 28°C (82°F), but it can reach a scorching maximum of 38°C (101°F). However, May is significantly wetter, with a substantial 286 mm (11.2 in) of rain over 22 days, while humidity is slightly lower at 63%. For more detailed insights, check out Nicoya weather in May.
December and June exhibit distinctly different weather patterns. In December, temperatures range from a minimum of 20°C (69°F) to a maximum of 35°C (95°F), with an average of 27°C (80°F). The month sees relatively low precipitation, totaling 31 mm (1.2 in) over just four days, and humidity levels around 70%. In contrast, June experiences slightly higher minimum temperatures at 22°C (72°F) and a peak of 36°C (97°F), while maintaining the same average of 27°C (80°F). However, it is significantly wetter, with a total precipitation of 359 mm (14.1 in) over 26 days, contributing to higher humidity levels at 74%. For more detailed information on June weather, visit Nicoya weather in June.
When comparing the weather in December and July, both months experience similar average temperatures, with December having a minimum of 20°C (69°F) and July slightly higher at 21°C (71°F). However, July is characterized by significantly higher precipitation, with 215 mm (8.4 in) falling over 23 days compared to just 31 mm (1.2 in) over 4 days in December. This increased rainfall in July also leads to higher humidity levels, reaching 85%, while December's humidity sits at 70%. For a closer look at the weather specifics throughout July, check out the following link: Nicoya weather in July.
When comparing the weather between December and August, we see distinct differences in temperature and precipitation patterns. December enjoys a warm climate with a minimum temperature of 20°C (69°F) and an average of 27°C (80°F), while August starts slightly warmer with a minimum of 22°C (71°F) but has a similar maximum temperature of 35°C (95°F) in both months. However, August is characterized by significantly higher rainfall, averaging 290 mm (11.4 in) over 25 days, compared to December's much lighter 31 mm (1.2 in) over just four days. Additionally, the humidity levels are higher in August at 82%, compared to December's 70%. For a more detailed look at the weather patterns, you can check out Nicoya weather in August.
December and September showcase contrasting weather patterns. In December, temperatures are generally warmer, with minimums around 20°C (69°F) and average highs reaching 35°C (95°F), while rainfall is relatively low at 31 mm (1.2 in) over just 4 days. In contrast, September experiences slightly cooler temperatures, with minimums of 22°C (71°F) and an average of 26°C (79°F), but it is notably wetter, receiving a significant 353 mm (13.9 in) of precipitation spread over 28 days. The humidity is also higher in September, averaging 80% compared to December's 70%. For more detailed insights into the weather during this month, you can check Nicoya weather in September.
When comparing the weather in December and October, we can see some notable differences. December tends to be warmer, with average temperatures ranging from a minimum of 20°C (69°F) to a maximum of 35°C (95°F), while October has slightly higher minimum temperatures at 21°C (71°F) but peaks at 33°C (92°F). Precipitation is significantly lower in December, with only 31 mm (1.2 in) over 4 days, compared to October's substantial rainfall of 407 mm (16.0 in) spread over 29 days. Additionally, December experiences lower humidity at 70%, while October is more humid at 79%. For more details on the October weather, you can visit Nicoya weather in October.
The weather in December shows a slight increase in average temperature compared to November, with December averaging 27°C (80°F) versus November's 26°C (79°F). However, December experiences significantly less precipitation, measuring just 31 mm (1.2 in) over four days, while November receives a substantial 130 mm (5.1 in) over 15 days. As a result, humidity levels in December are lower at 70%, compared to November's higher humidity of 79%. This transition highlights a shift towards drier and warmer conditions in December. For more detailed insights, check out Nicoya weather in November.
December in Nicoya ushers in a delightful transition, as the rainy season begins to wane and the temperatures become more temperate, averaging a comfortable 27°C (80°F). Compared to previous months marked by heavier rains, December stands out with significantly lower precipitation and fewer wet days, allowing for more sunshine and outdoor activities. The humidity at about 70% adds a pleasant tropical touch without the oppressiveness often felt in earlier months. As the new year approaches, Nicoya's December weather is perfect for enjoying the stunning landscapes and vibrant culture of this charming region. For a detailed look at the climate throughout the year, visit Nicoya Climate.