Last updated: August 21, 2025
In March, La Fortuna, Costa Rica experiences a vibrant mix of warm temperatures and refreshing showers. The maximum temperature reaches a balmy 33°C (91°F), while the average hovers around a comfortable 24°C (76°F), dipping to a minimum of 18°C (64°F) during cooler nights. Visitors can expect a modest precipitation of 19 mm (0.8 in) over 6 days, contributing to the lush scenery that defines this tropical paradise. With a humidity level of 63%, the air is laden with the rich aromas of the surrounding rainforest, making March an inviting time for adventure and exploration in this stunning destination.
In March, La Fortuna, Costa Rica experiences delightful temperatures that signal the transitioning into warmer months. With a minimum temperature of 18°C (64°F) and a consistent average of 24°C (76°F), the climate remains comfortably pleasant. The days can heat up significantly, reaching a maximum of 33°C (91°F), mirroring the peak conditions seen in February. This pattern of warm days and mild nights makes March an ideal time for outdoor adventures. As the month progresses, you can expect a steady rise in warmth, paving the way for the even hotter days of April and May, while maintaining the lush beauty characteristic of this vibrant region.
In March, La Fortuna experiences a modest precipitation total of 19 mm (0.8 in) over approximately 6 rainy days, keeping the atmosphere relatively dry compared to the preceding months. This slight uptick from February's already low 18 mm (0.7 in) marks the beginning of the region's transition toward the wetter season, which peaks in May and June. As rainfall gradually increases in the following months, the lush landscapes will soon benefit from the frequent showers, making March an ideal time for visitors to enjoy the striking scenery while avoiding the heavier downpours that characterize later months.
As March arrives in La Fortuna, Costa Rica, the humidity begins to settle at a comfortable 63%, marking a slight decline from January's 66% and February's 64%. This trend of moderate humidity reflects the transitional period as the region prepares for the upcoming wet season. Interestingly, March aligns with April and May in maintaining this consistent humidity level, suggesting a harmonious balance before the air begins to thicken in June. While the lush landscapes thrive throughout the year, visitors in March can enjoy pleasantly manageable humidity that enhances the overall experience of exploring this tropical paradise.
In March, La Fortuna, Costa Rica, experiences a dramatic spike in the UV Index, soaring to 14, which falls under the extreme exposure category. This marks a notable increase from January's 11 and February's 13, indicating that outdoor enthusiasts should take extra precautions against skin damage, with a burn time of just 10 minutes. As the month progresses, La Fortuna's UV levels remain notably high, continuing into April, which peaks at 15. Such trends highlight the region's consistent exposure to intense sunlight during the early months of the year, making it essential to stay informed and protect yourself. For more detailed information, check the La Fortuna UV Index.
UV Risk Categories
March ushers in a delightful wave of sunshine in La Fortuna, Costa Rica, boasting an impressive 333 hours of sunlight. This marks the brightest month of the year, following a gradual increase from 256 hours in January to 299 hours in February. As spring unfolds, the days become longer and sunnier, peaking in March before slightly tapering to 320 hours in April. The consistent warmth and abundant daylight not only enhance the natural beauty of the region but also create an inviting atmosphere for outdoor enthusiasts and nature lovers alike. With sunshine remaining plentiful through the early months of the year, visitors can bask in the vibrant landscapes under the captivating Costa Rican sun.
As March approaches in La Fortuna, Costa Rica, visitors can expect a decent chance of sunshine, with a sun-filled probability of 43%. This figure is a slight dip from February's 47%, but remains significantly higher than the rainy months that follow, such as April with just 24% and May plummeting to 18%. Reflecting an overall trend, the months leading into the dry season tend to offer better weather conditions, making March an ideal time for outdoor adventures before the heavy rains set in. Whether you're hiking to the Arenal Volcano or enjoying the local hot springs, you can look forward to relatively favorable weather during this vibrant month.
As March unfolds in La Fortuna, Costa Rica, the days grow longer, offering 12 hours of daylight that invite exploration and adventure. This trend of increasing daylight begins in January and February, when days are shorter at 11 hours, but it reaches its peak in March and continues through the following months. Springtime in La Fortuna not only enhances the beauty of its lush landscapes but also provides ample time for outdoor activities, creating an ideal setting for experiencing the region's famous waterfalls and volcanic scenery. As the year progresses, daylight remains consistent at 12 hours until a gradual decrease starts in October, reminding visitors of the enchanting cycle of nature.
As March unfolds in La Fortuna, Costa Rica, the landscape dances with a refreshing breeze, marked by an average wind speed of 4.0 m/s (9 mph)—the highest of the year. This gentle increase from the previous months hints at a subtle shift in the seasonal rhythms, beckoning both adventurers and nature lovers to savor the invigorating air. As April approaches, the winds soften to 2.8 m/s (6 mph), creating a harmonious blend of warmth and coolness that is ideal for outdoor exploration. Meanwhile, the early months of the year exhibit a consistent calm, with January and February holding steady at 3.7 m/s (8 mph). Thus, March serves as a delightful transition, bridging the steady breezes of early year with the lighter gusts that follow, enhancing the allure of La Fortuna as a year-round destination.
Weather in La Fortuna varies notably across the year, with each month offering distinct climate conditions. This page compares March’s weather to other months in La Fortuna, focusing on differences in temperature, rainfall, humidity, and UV levels.
In comparison to January, March experiences slightly warmer temperatures, with average highs reaching 33°C (91°F) compared to January's maximum of 30°C (87°F). The minimum temperatures in March are also higher, starting at 18°C (64°F) compared to January's 14°C (58°F). Additionally, March sees less precipitation, with only 19 mm (0.8 in) over six days, whereas January has 42 mm (1.6 in) of rain over eleven days. Humidity remains relatively similar between the two months, with March at 63% and January at 66%. For a deeper understanding of January weather patterns, you can visit La Fortuna weather in January.
March and February have quite similar weather patterns, with both months experiencing an average temperature of 24°C (75°F) and maximum highs reaching 33°C (91°F). February has a slightly cooler minimum temperature of 17°C (63°F), compared to March's 18°C (64°F). Precipitation levels are also comparable, with February receiving 18 mm (0.7 in) and March slightly higher at 19 mm (0.8 in), both spread over six days. Humidity remains consistent between the two months, with February at 64% and March at 63%. For a detailed look at February’s climate, visit La Fortuna weather in February.
March and April both showcase warm temperatures, with March averaging 24°C (76°F) and April slightly warmer at 25°C (78°F). The maximum temperatures peak at 33°C (91°F) in March and reach 34°C (93°F) in April, indicating a gradual rise as spring progresses. However, April tends to be wetter, accumulating 52 mm (2.1 in) of precipitation over 12 days, compared to March's 19 mm (0.8 in) over just 6 days, while humidity remains consistent at 63% for both months. For a more detailed view of how April’s weather impacts your experience, check out La Fortuna weather in April.
In comparing the weather of March and May, we see some notable differences. March typically enjoys warmer temperatures, with a minimum of 18°C (64°F) and an average max of 33°C (91°F), making it feel quite pleasant. In contrast, May has a slightly higher minimum temperature of 19°C (67°F) and an average maximum temperature of 34°C (93°F). However, May is significantly wetter, receiving 308 mm (12.1 inches) of precipitation over 25 days, compared to March's 19 mm (0.8 inches) over just 6 days. Despite the increased rain in May, both months have a consistent humidity level of 63%. For more detailed insights on this month, check out La Fortuna weather in May.
When comparing the weather in March and June, noticeable differences emerge in temperature and precipitation patterns. March features warmer temperatures with a minimum of 18°C (64°F) and an average of 24°C (76°F), reaching a maximum of 33°C (91°F). In contrast, June has slightly higher minimum temperatures at 20°C (69°F) and an average of 25°C (77°F), while the maximum temperature remains close at 32°C (90°F). However, June is significantly wetter, with a staggering 314 mm (12.4 in) of rainfall over 28 days, compared to March's mere 19 mm (0.8 in) over 6 days. The humidity also increases in June to 74%, up from 63% in March. For detailed insights into the weather conditions, you can check La Fortuna weather in June.
March and July showcase notably different weather patterns. In March, temperatures range from a mild 18°C (64°F) at night to a warm 33°C (91°F) during the day, with relatively low precipitation of 19 mm (0.8 in) over just 6 days and a humidity level of 63%. In contrast, July experiences slightly higher minimum temperatures at 20°C (68°F) and a maximum of 31°C (88°F), but significantly more rainfall, totaling 146 mm (5.7 in) over 28 days. The humidity also rises to 85%, making July feel more humid and wet. For more details on the July climate, check out La Fortuna weather in July.
March and August present contrasting weather conditions. In March, temperatures range from a minimum of 18°C (64°F) to a maximum of 33°C (91°F), with an average of 24°C (76°F), accompanied by moderate humidity at 63% and only 19 mm (0.8 in) of rainfall over about 6 days. In comparison, August is cooler but significantly wetter, with minimum temperatures reaching 20°C (68°F) and a maximum of 32°C (90°F), while the average remains the same at 24°C (76°F). However, August sees a dramatic increase in precipitation, totaling 257 mm (10.1 in) over 27 days and higher humidity at 82%. For more details, check out La Fortuna weather in August.
March and September exhibit significant differences in weather patterns. In March, temperatures range from a minimum of 18°C (64°F) to a maximum of 33°C (91°F), with an average of 24°C (76°F) and relatively low precipitation of 19 mm (0.8 in) over just 6 days, resulting in a humidity level of 63%. In contrast, September experiences slightly higher minimum temperatures at 20°C (68°F) and a near-identical average of 24°C (76°F), but the maximum temperature drops to 32°C (89°F). However, September is marked by heavy rainfall, with a staggering 295 mm (11.6 in) over 28 days and a higher humidity of 80%. For more details, you can check La Fortuna weather in September.
March and October in La Fortuna offer contrasting weather experiences. In March, temperatures typically range from a minimum of 18°C (64°F) to a maximum of 33°C (91°F), with an average of 24°C (76°F). The month sees relatively low precipitation, with only 19 mm (0.8 in) over about 6 days, resulting in a moderate humidity level of 63%. In sharp contrast, October brings increased humidity at 79%, with a warmer minimum temperature of 20°C (67°F) and a maximum of 31°C (87°F). However, it is significantly wetter, with 391 mm (15.4 in) of rain over 29 days. For a detailed look at October's weather specifics, you can visit La Fortuna weather in October.
In March, the weather is typically warm and dry, with temperatures ranging from a minimum of 18°C (64°F) to a maximum of 33°C (91°F) and average conditions around 24°C (76°F). Precipitation is relatively low, totaling just 19 mm (0.8 in) over about 6 days, and humidity levels sit at 63%.
In contrast, November experiences a more humid and wetter climate. The temperatures remain similar, with a minimum of 18°C (65°F) and a maximum of 30°C (87°F), but the average temperature drops slightly to 24°C (75°F). Notably, rainfall increases significantly, with 169 mm (6.7 in) expected over 24 days, leading to a higher humidity of 79%. For more information about the weather specifics in November, check out La Fortuna weather in November.
In March, the weather in La Fortuna boasts warmer temperatures, with averages around 24°C (76°F) and highs reaching up to 33°C (91°F), paired with relatively low precipitation of 19 mm over just 6 days. In contrast, December experiences slightly cooler temperatures, with an average of 23°C (74°F) and maximums of 29°C (85°F), but it sees significantly more rainfall, totaling 60 mm across 20 days. Additionally, humidity rises in December to 70%, compared to 63% in March, creating a distinctly more humid atmosphere. For more details, check out La Fortuna weather in December.
As March rolls into La Fortuna, visitors can expect a delightful transition from the cooler, wetter months. With warm maximum temperatures reaching up to 33°C and a breezy average of 24°C, this month often invites outdoor adventures. Although it retains a moderate humidity of 63%, the slightly lower precipitation of only 19 mm over about 6 days makes for a more enjoyable experience. This reduction in rainfall compared to previous months provides a great opportunity to explore the lush landscapes and vibrant wildlife La Fortuna is famous for. For more insights into what to expect throughout the year, check out La Fortuna Climate.