Last updated: January 18, 2025
Limón, Costa Rica, is characterized by its Af Köppen-Geiger climate classification, signifying a tropical rainforest climate. This region experiences a year-round warm atmosphere with temperatures ranging from a minimum of 14°C (57°F) in February to a maximum of 34°C (94°F) in May. The average temperature hovers around a comfortable 24°C (76°F), contributing to the lush biodiversity and vibrant ecosystems that define this coastal haven. The consistent warmth and humidity play a crucial role in shaping both the local climate and the life it supports.
In Limón, Costa Rica, temperature patterns demonstrate a generally warm and stable climate throughout the year, characterized by slight seasonal variations. From January to March, the region experiences a gradual increase in minimum temperatures, starting at 14°C (58°F) and rising to 15°C (59°F), while maximum temperatures remain consistently high around 30°C (86°F) to 31°C (88°F). April marks a transition into warmer conditions, with averages rising to 24°C (76°F), peaking in May at a maximum of 34°C (94°F), which represents the hottest month of the year. As the rainy season approaches, temperatures stabilize, maintaining an average of 25°C (77°F) from June through September, with daily highs reaching up to 33°C (92°F). October and November see a slight decrease in maximum temperatures, while minimums remain above 17°C (63°F). December brings a return to cooler evening temperatures, yet the climate remains typically warm, ensuring that Limón retains its inviting character year-round.
In Costa Rica, Limon experiences a temperature range from a minimum of 22°C (71°F) in January to a maximum of 30°C (86°F) in September, making it a warm tropical destination year-round (monthly temperatures in Limon). Nearby Cahuita has slightly warmer conditions with a minimum of 23°C (73°F) in March and a peak of 30°C (87°F) in May (monthly temperatures in Cahuita). In contrast, Cariari offers a broader range, with temperatures dipping to 15°C (60°F) in February and climbing up to 32°C (91°F) in May (monthly temperatures in Cariari).
Limón, Costa Rica experiences a pronounced wet season, particularly from May to November, where precipitation significantly increases. January and February are relatively drier months, with rainfall measuring 213 mm (8.4 in) and 106 mm (4.2 in) respectively. As the dry season transitions into the wet season, precipitation rises steadily, culminating in May, which receives a striking 386 mm (15.2 in) of rain over 28 days. This marked increase not only contributes to the lush tropical vegetation but sets the stage for the heavy rainfall typical of the region.
During the peak wet months, from June through October, Limón's precipitation remains substantial, with moderate to heavy rainfall recorded throughout. For instance, June experiences 294 mm (11.6 in) and July sees an impressive 359 mm (14.1 in), contributing to the region's vibrant ecology. October stands out with 382 mm (15.0 in) of rainfall. As the rainy season gradually tapers off in November, the rainfall totals remain high at 360 mm (14.2 in) before December brings a slight reduction to 315 mm (12.4 in). The persistent rain throughout the year shapes Limón's climate, fostering lush landscapes that attract both biodiversity and tourists alike.
In Limón, Costa Rica, sunshine duration varies notably throughout the year, revealing distinct seasonal patterns. The year begins with January averaging 238 hours of sunshine, which gradually increases, peaking in March with an impressive 328 hours of bright sunlight. This period from late winter to early spring represents the sunniest stretch of the year, where travelers and locals alike can enjoy optimal weather conditions. Following this peak, April remains relatively sunny with 312 hours, but a slight decline begins in May as rainfall increases, leading to 276 hours and marking the transition toward the wetter season.
As the rainy season progresses from June to November, the sunshine hours decrease, though not drastically. June and July have the least sunshine during this period, recording 270 hours and 256 hours, respectively. Despite these reductions, the months of August and September witness a slight rebound with 264 hours and 277 hours, allowing residents to still relish some sun amidst the rain. By the time December rolls around, sunshine hours increase again to 283 hours, providing a warm welcome to the new year. These fluctuations highlight not just the importance of sunlight for Limón's lush tropical environment but also the region's appeal for those seeking vibrant experiences throughout the seasons.
The UV Index in Limón, Costa Rica, consistently indicates extreme levels of ultraviolet radiation throughout much of the year, emphasizing the importance of sun protection during outdoor activities. Starting with January and February, the UV Index measures 12 and 13 respectively, signaling that even short exposure can lead to skin damage in about 10 minutes. This trend escalates sharply in March and April, where the UV Index peaks at 15, reinforcing the necessity for adequate sun protection measures, including sunscreen, protective clothing, and shade.
As the year progresses into the rainy season, the UV Index remains notably high, sustaining a level of 14 from May through October. This persistent value underscores the continual risk of harmful sun exposure, with a burn time still limited to approximately 10 minutes. Even as November sees a slight decrease to 12 and December modifies to 10, categorized as very high, the need for vigilance against UV rays remains. This sustained threat from UV radiation throughout the year makes it essential for residents and visitors to be proactive in safeguarding their skin health while enjoying the natural beauty of Limón.
UV Risk Categories
In Limón, Costa Rica, daylight duration exhibits a consistent pattern throughout the year, mostly fluctuating around 11 to 12 hours of sunlight each day. The year begins with 11 hours of daylight in both January and February, providing ample sun for outdoor activities and exploration. As March approaches, daylight increases slightly to 12 hours, a trend that continues through the months of April, May, and into June, where the extended daylight supports the vibrant flora and fauna characteristic of the region.
From July to September, the daylight duration remains stable at 12 hours, ensuring a reliable balance of light for both residents and tourists. However, as October arrives, daylight begins to diminish, returning to 11 hours in October, November, and December. Despite this slight reduction, Limón's near-equatorial location enables a relatively constant amount of daylight throughout the year, allowing residents and visitors to enjoy various outdoor experiences, regardless of the season.
Cahuita, Costa Rica, experiences a tropical climate characterized by warm temperatures and seasonal rainfall. Average temperatures range from 26°C (78°F) to 30°C (86°F) throughout the year, with the warmest months being May to August. Rainfall is highest from May to July, with July receiving a notable 620 mm (24.4 in). The area also enjoys ample sunshine, particularly in February and March, which record up to 331 hours of sun. For more detailed information, visit Cahuita climate.
Cariari, Costa Rica experiences a tropical climate with minimal temperature variation throughout the year, averaging between 22°C (72°F) and 24°C (75°F). The hottest months are typically March to May, where maximum temperatures can reach up to 32°C (91°F). Rainfall peaks during the green season from May to October, with October receiving the highest precipitation at 405 mm (15.9 in). Despite the rain, residents enjoy ample sunshine, particularly in February and March, boasting over 290 hours of sunshine. For more detailed climate information, visit Cariari climate.
Limon, Costa Rica, experiences a tropical climate with warm temperatures year-round, maintaining average highs between 25°C (77°F) and 30°C (86°F). The wet season peaks from May to November, characterized by heavy rainfall, particularly in July, with about 385 mm (15.2 in). In contrast, the driest months, February and March, receive less than 120 mm (4.7 in) of precipitation. Sunshine hours are abundant, especially in February, with up to 296 hours, contributing to the region's lush biodiversity. For more detailed information, check Limon climate.
In conclusion, Limón, Costa Rica, presents a unique climatic profile characterized by warm temperatures, substantial rainfall, extreme UV exposure, and relatively stable daylight duration throughout the year. With its tropical rainforest climate, the region offers lush landscapes and vibrant ecosystems, especially during the wet season, which peaks from May to November. The high UV Index underscores the need for sun protection, particularly during the sunniest months. Meanwhile, the consistent daylight hours provide ample opportunities for outdoor activities year-round, making Limón a captivating destination for nature enthusiasts and tourists alike. Collectively, these climatic factors contribute to an environment that is not only rich in biodiversity but also inviting for those seeking to experience its natural beauty.