Last updated: August 21, 2025
March in Cariari, Costa Rica brings a delightful blend of warm temperatures and tropical breezes. With daytime highs reaching a comfortable 30°C (86°F) and nights dipping to a mild 16°C (62°F), the weather is perfect for outdoor adventures. On average, temperatures hover around 23°C (73°F), ensuring a pleasant atmosphere throughout the day. However, be prepared for some rainfall, as the month experiences about 93 mm (3.7 in) of precipitation over 15 days, contributing to the lush greenery that makes this region so captivating. Humidity levels sit around 68%, adding to the tropical feel and creating a vibrant environment for nature lovers and adventurers alike.
In March, temperatures in Cariari, Costa Rica reflect a pleasant transition into the warmer season. With a minimum of 16°C (62°F) and a maximum reaching 30°C (86°F), the month experiences a slight increase in the average temperature to 23°C (73°F). This marks a progression from the cooler days of January and February, where the averages remained steady at 22°C (72°F). As the month unfolds, visitors can expect increasingly warm days perfect for exploring the lush landscapes and vibrant culture that define this region. March's climate sets the stage for the warmer months ahead, inviting both relaxation and adventure under the Costa Rican sun.
March in Cariari, Costa Rica, marks a transition into the wetter months, with precipitation amounting to 93 mm (3.7 in) over 15 rainy days. This modest increase from February's 86 mm (3.4 in) sets the stage for the more intense rainfall that follows in April and May. As the wet season approaches, the frequency of rainy days starts to rise, leading to a noticeable shift in the region's climate. This pattern signals to locals and visitors alike that the lush scenery will soon be in full bloom, while also preparing for the heavier deluges that characterize the upcoming months.
In March, humidity in Cariari, Costa Rica starts to ease slightly, averaging 68%, marking a gradual decline from January's peak of 71%. This transition hints at the onset of the dry season, where conditions become a bit more comfortable as the region prepares for warmer days ahead. As the year progresses into April, humidity slightly rises again to 69%, but it doesn't reach the heights seen in the subsequent months, where the rainy season brings a surge of moisture, peaking at 88% in July. This cyclical pattern reflects the dynamic climate that defines Cariari, beautifully balancing the humid, lush landscapes with drier spells.
In March, the UV Index in Cariari, Costa Rica, reaches a striking 14, categorizing it as extreme with a burn time of just 10 minutes. This surge reflects a consistent trend observed since January, where the UV Index escalated from 11 to 13 in February and stabilizes at 14 through both March and April, suggesting intense sun exposure is a hallmark of this season. As travelers and locals enjoy the vibrant surroundings, awareness of the high UV levels becomes essential to protect against harmful sun exposure. With similar extreme readings extending into May and fluctuating slightly as summer rolls on, taking precautionary measures remains crucial throughout this sun-soaked period. For more detailed insights, visit Cariari UV Index.
UV Risk Categories
In March, Cariari, Costa Rica basks in an impressive 326 hours of sunshine, marking it as the sunniest month of the year. This radiant increase follows a solid February with 293 hours, showcasing a delightful trend as spring unfolds. The vibrant sunshine of March not only outshines its preceding months but also sets the tone for an equally bright April with 312 hours. As we progress into spring, the daylight hours slightly taper off in May at 278 hours, yet the overall picture reveals an abundance of sunshine that characterizes this lush region, making it an ideal time for outdoor adventures and exploration.
March in Cariari, Costa Rica, sees a 43% chance of sunny weather, aligning closely with February's figures. This stability, however, marks a contrast to the following months, where the likelihood of clear skies drops significantly. Notably, April and May experience a pronounced decline, with only a 21% and 17% chance of sunshine, respectively, hinting at the impending rainy season. This trend underscores March as an optimal time for visitors seeking more stable weather before the clouds roll in. While the sunshine isn't guaranteed, the month offers a resilient glimmer of hope, echoing the sunny vibes of January and December.
In March, the daylight in Cariari, Costa Rica begins to flourish with a generous 12 hours, marking an exciting shift from the consistent 11 hours of the earlier months. This increase in daylight heralds the arrival of the dry season, allowing residents and visitors alike to bask in the sun's warmth for longer. As the days continue to stretch into April and May, maintaining that delightful 12-hour duration, the allure of outdoor activities, scenic exploration, and vibrant sunsets becomes nearly irresistible. Interestingly, this pattern persists through the summer months, with daylight consistently at 12 hours until September, after which durations begin to taper off again. The rhythmic cycle of daylight in Cariari beautifully underscores the lively transitions between seasons, offering a unique charm throughout the year.
As March unfolds in Cariari, Costa Rica, the gentle breeze begins to pick up, showcasing an average wind speed of 1.7 m/s (4 mph). While January and February ushered in calm days with speeds of 1.6 m/s and 1.5 m/s, respectively, March marks a brief peak before a gradual decline heading into April and May, where winds slow to 1.3 m/s and 1.2 m/s. This subtle uptick in March can invigorate outdoor activities, making it an ideal time for those seeking a refreshing respite from the tropical heat. As the year progresses, the winds calm significantly in the mid-year months, hovering around 1.1 m/s, presenting a tranquil atmosphere. Overall, March stands out as a transitional moment, bridging the tranquility of early months with the placid winds of the tropical season ahead.
Weather in Cariari varies notably across the year, with each month offering distinct climate conditions. This page compares March’s weather to other months in Cariari, focusing on differences in temperature, rainfall, humidity, and UV levels.
In comparing the weather of March to January, both months exhibit mild temperatures, with January's range slightly cooler than March's. January experiences minimum temperatures starting at 16°C (62°F) and maximums of 28°C (82°F), while March sees minimums up to 16°C (62°F) and maximums reaching 30°C (86°F). The average temperatures are similar, with January at 22°C (72°F) and March at 23°C (73°F). However, March tends to have less precipitation, with 93 mm (3.7 in) over 15 days, compared to January's 203 mm (8.0 in) over 14 days. The relative humidity also decreases slightly in March to 68%, compared to January’s 71%. For more details on January weather, you can check Cariari weather in January.
In comparing the weather between February and March, we notice that both months showcase warm temperatures, with March slightly warmer overall. March has an average temperature of 23°C (73°F) compared to February's 22°C (72°F), while both months reach a maximum of 30°C (86°F). Precipitation levels in March are marginally higher at 93 mm (3.7 in) over 15 days, compared to February’s 86 mm (3.4 in) over 13 days. Humidity is also a bit lower in March at 68%, compared to February's 70%. For more details on February weather, check out Cariari weather in February.
March and April showcase a gradual transition in weather patterns. In March, temperatures range from a minimum of 16°C (62°F) to a maximum of 30°C (86°F), with an average of 23°C (73°F). The month experiences around 93 mm (3.7 in) of precipitation over 15 days, accompanied by a humidity level of 68%. In contrast, April sees slightly warmer temperatures, with a minimum of 17°C (63°F), an average of 24°C (75°F), and a maximum of 31°C (88°F). However, it also experiences increased rainfall, totaling 120 mm (4.7 in) over 23 days, and a marginally higher humidity of 69%. For more details about the weather in this month, check out Cariari weather in April.
March weather offers a warm start to the year with temperatures ranging from a minimum of 16°C (62°F) to a maximum of 30°C (86°F) and an average of 23°C (73°F). However, it experiences a moderate level of precipitation, totaling 93 mm (3.7 in) over about 15 days, with humidity at 68%. In contrast, May tends to be warmer and wetter, with minimum temperatures starting at 19°C (66°F) and peaking at 32°C (91°F), averaging around 24°C (76°F). The month sees significantly higher rainfall, accumulating 356 mm (14.0 in) across 28 days, leading to a slight increase in humidity at 70%. For more detailed insights, you can check Cariari weather in May.
In March, temperatures range from a minimum of 16°C (62°F) to a maximum of 30°C (86°F), with an average of 23°C (73°F). The month sees about 93 mm (3.7 in) of precipitation over 15 days, combined with a humidity level of 68%. In contrast, June experiences slightly higher temperatures, with a minimum of 20°C (68°F) and a maximum of 32°C (89°F), averaging 24°C (76°F). However, it also brings significantly more rainfall, totaling 269 mm (10.6 in) across 28 days, and higher humidity at 81%. For a closer look at June weather specifics, you can visit Cariari weather in June.
March and July exhibit notable differences in weather patterns. March experiences milder temperatures, with a minimum of 16°C (62°F) and an average of 23°C (73°F), while July sees slightly warmer conditions, starting at a minimum of 19°C (67°F) and averaging 24°C (75°F). Precipitation levels highlight a stark contrast; March receives 93 mm (3.7 in) across 15 days, whereas July has a much heavier rainfall total of 286 mm (11.3 in) over 28 days. Additionally, humidity rises in July to 88%, compared to 68% in March, contributing to a more tropical feel during the peak of summer. For more detailed information, you can check Cariari weather in July.
March and August exhibit quite different weather patterns, with March experiencing milder conditions compared to the more humid and rainy August. In March, temperatures range from a minimum of 16°C (62°F) to a maximum of 30°C (86°F), averaging around 23°C (73°F) and accompanied by moderate precipitation of 93 mm (3.7 in) over 15 days. In contrast, August tends to be warmer and significantly wetter, featuring temperatures from a minimum of 20°C (68°F) to a peak of 32°C (89°F), with an average of 24°C (76°F). The month receives considerable rainfall, totaling 203 mm (8.0 in) over 28 days, while also exhibiting higher humidity levels at 85%. For more detailed information, check out Cariari weather in August.
In comparing the weather of March and September, we observe a subtle yet significant shift. March enjoys warmer temperatures, with a minimum of 16°C (62°F), an average of 23°C (73°F), and a maximum of 30°C (86°F). This month experiences moderate precipitation, totaling 93 mm (3.7 in) over about 15 days, with humidity at 68%. In contrast, September brings a slightly cooler average temperature of 24°C (76°F) and higher minimum and maximum temperatures of 19°C (66°F) and 31°C (89°F), respectively. However, it is notably wetter, with an impressive 192 mm (7.6 in) of rainfall spread over 27 days, resulting in a higher humidity level of 84%. For more detailed information, you can refer to Cariari weather in September.
March and October weather exhibit notable differences in temperature, precipitation, and humidity. In March, temperatures range from a comfortable minimum of 16°C (62°F) to a warm maximum of 30°C (86°F), with an average of 23°C (73°F). The month sees approximately 93 mm (3.7 in) of precipitation over 15 days, accompanied by a humidity level of 68%. In contrast, October experiences slightly higher temperatures, with a minimum of 19°C (66°F) and a maximum of 31°C (89°F), averaging 24°C (75°F). However, it is significantly wetter, with an impressive 405 mm (15.9 in) of rainfall over 29 days and higher humidity at 82%. For more details on October's weather patterns, visit Cariari weather in October.
March and November present notable differences in weather conditions, despite having similar average temperatures. In March, temperatures range from a minimum of 16°C (62°F) to a maximum of 30°C (86°F) with an average of 23°C (73°F). This month typically experiences lower humidity at 68% and less precipitation, totaling 93 mm (3.7 in) over about 15 rainy days. In contrast, November is characterized by slightly warmer minimum temperatures of 19°C (66°F) and the same maximum of 30°C (86°F), while the average remains at 23°C (74°F). However, it sees significantly increased rainfall, with 334 mm (13.1 in) spread over 26 days and higher humidity levels at 81%. For more detailed information, you can check Cariari weather in November.
In comparing the weather between March and December, both months exhibit similar average temperatures, with March showing an average of 23°C (73°F) and December also at 23°C (73°F). However, March tends to have slightly warmer maximum temperatures, reaching up to 30°C (86°F), while December peaks at 29°C (84°F). Precipitation levels reveal a significant contrast; March receives about 93 mm (3.7 in) of rain over 15 days, whereas December experiences much heavier rainfall, totaling 320 mm (12.6 in) across 20 days. Additionally, humidity is higher in December at 74%, compared to March’s 68%. For more detailed information about December weather, you can visit Cariari weather in December.
March in Cariari presents a vibrant leap into warmth as temperatures begin to rise, offering a delightful contrast to the cooler months preceding it. With an average temperature hovering around a pleasant 23°C, the atmosphere is characterized by a comfortable blend of humidity and warmth. However, March also brings its share of rainfall, marking a transition as the precipitation days increase. If you're looking to experience Cariari's climate and uncover what makes this month unique, be sure to check out Cariari Climate for a deeper dive into weather patterns.