Last updated: August 21, 2025
In October, La Fortuna, Costa Rica, experiences a tropical embrace characterized by warm temperatures and significant precipitation. With maximum highs reaching 30°C (86°F) and an average temperature of 24°C (75°F), the climate is inviting despite the frequent rain. This month sees a substantial total precipitation of 398 mm (15.7 in), spread over approximately 29 rainy days, making it a prime time for lush landscapes and vibrant wildlife. High humidity levels at 82% enhance the tropical feel, creating a perfect backdrop for those seeking a rejuvenating getaway amidst nature's splendor.
In La Fortuna, Costa Rica, the month of October brings mild temperatures, with lows of 20°C (67°F) and highs reaching 30°C (86°F), making it a pleasant time for outdoor adventures. As part of the rainy season, October's average temperature holds steady at 24°C (75°F), reflecting a consistent climate that has prevailed from previous months. While the evenings can be a bit cooler, the slight dip in maximum temperatures compared to the hotter months of April through September suggests a transition towards the end of the wet season. Overall, October’s combination of warm days and refreshing showers creates a lush, vibrant environment perfect for exploring the natural beauty of this stunning destination.
In October, La Fortuna experiences a significant surge in precipitation, with an impressive 398 mm (15.7 in) of rain, making it the wettest month of the year. This increase is indicative of the region's transition into the rainy season, where nearly every day, about 29 days, is marked by rainfall. The lush landscapes thrive under these conditions, as the rain nourishes the rich biodiversity for which Costa Rica is renowned. Following a trend that starts in May and peaks in October, this month not only highlights the region's vibrant ecosystem but also sets the stage for spectacular waterfalls and flourishing flora, enticing nature lovers and adventure seekers alike to revel in the beauty of this tropical paradise.
In October, La Fortuna, Costa Rica, experiences a notable increase in humidity, averaging 82%. This month falls within the wet season, characterized by a gradual rise in moisture that begins in June and peaks in July. From August through October, humidity remains consistently high, showcasing the lush, tropical environment that the region is famous for. Compared to earlier months, such as January through April, where humidity levels hover around 70%, October's climate underscores the transition into a more humid period, making it essential for visitors to prepare for the sultry conditions typical of this vibrant rainforest destination.
In October, La Fortuna, Costa Rica, experiences a UV Index of 14, categorizing it as extreme, with a burn time of just 10 minutes. This month continues the trend of high UV levels seen since January, where indices have consistently hovered around 12 to 15, demonstrating the region's intense sun exposure throughout the year. Notably, while October's UV Index remains robust, it is slightly lower than the peak in March and April, signaling that while you can enjoy the lush surroundings, it's essential to stay protected from the sun’s powerful rays. For more detailed information on UV exposure and safety, check out La Fortuna UV Index.
UV Risk Categories
In La Fortuna, Costa Rica, October marks a transition as the rainy season begins to wane. With 232 hours of sunshine, this month offers a gentle dip in daylight compared to the vibrant sunlit days from January to March, which boast up to 330 hours of brilliant rays. The trend shows that while October captures fewer sunlit hours than the preceding months, it still retains a fair share of brightness, fostering lush green landscapes and making it a picturesque time for adventure seekers. As the region prepares for the tropical dry season ahead, the lingering warmth perfectly complements the vibrant wildlife and stunning views that La Fortuna is renowned for, inviting visitors to experience the beauty of this serene haven.
In La Fortuna, Costa Rica, the likelihood of sunny weather in October is relatively low, with only a 16% chance of sunshine. This pattern reflects a notable trend as the region transitions into its rainy season, which peaks in the months leading up to October. Comparatively, this chance of sun is on par with November, both months offering limited rays amid persistent rainfall. As the year progresses from the early months, where sunny weather peaks at 42% in February and March, the overall tendency shifts toward gloomier skies, underscoring October's place in the heart of the wet season. If you're seeking sun, it might be wise to plan your visit for earlier in the year to fully embrace the bright side of La Fortuna.
In La Fortuna, Costa Rica, the rhythm of daylight presents a captivating pattern throughout the year. The months of January and February boast an 11-hour daylight stretch, setting a gentle tone for the beginning of the year. As spring arrives in March, the sun graces the region with an extra hour, leading to 12 hours of daylight that lasts through the lush month of September. This generous light not only enhances the verdant beauty but also invites outdoor adventures and exploration. As October rolls in, the daylight gently tapers back to 11 hours, mirroring its early-year counterparts, before settling into the cooler, shorter days of late fall and winter in November and December. This cyclical dance of light and shadow not only shapes the local ecosystem but also enriches the experience of all who visit this stunning corner of the world.
As October graces La Fortuna, the wind takes a gentle sigh, averaging a mere 1.3 m/s (3 mph), marking it as one of the calmest months of the year. This soft breeze contrasts sharply with the breezier early months of the year, which enjoy speeds reaching up to 3.5 m/s (8 mph) in March. The trend of diminishing winds continues from September into October, creating a tranquil atmosphere perfect for absorbing the lush surroundings. As the year transitions into November, a subtle uptick to 2.3 m/s (5 mph) hints at wind revival, inviting adventurers to embrace the serenity of La Fortuna's enchanting landscape. The ebb and flow of the winds reflect a rhythm in nature, beckoning visitors to experience the serene beauty of this Costa Rican gem.
Weather in La Fortuna varies notably across the year, with each month offering distinct climate conditions. This page compares October’s weather to other months in La Fortuna, focusing on differences in temperature, rainfall, humidity, and UV levels.
October and January exhibit notable differences in weather patterns. October is characterized by warmer temperatures, with minimums averaging around 20°C (67°F) and highs reaching up to 30°C (86°F). This month is also marked by high humidity levels at 82% and significant rainfall, totaling 398 mm (15.7 in) over 29 days. In contrast, January sees slightly cooler conditions, with minimum temperatures around 16°C (61°F) and maximums of 29°C (84°F). The humidity drops to 71%, and precipitation significantly decreases to 99 mm (3.9 in) spread over just 13 days. For more detailed information on January’s weather, you can visit La Fortuna weather in January.
When comparing the weather in October and February, notable differences emerge. October tends to be warmer overall, with average temperatures around 24°C (75°F) and occasional highs reaching 30°C (86°F). However, it is also significantly wetter, receiving 398 mm (15.7 in) of precipitation over 29 days, resulting in high humidity levels around 82%. In contrast, February sees a lower humidity of 70% with temperatures slightly cooler, averaging 23°C (73°F) and a maximum of 31°C (88°F). Precipitation in February is minimal, totaling only 23 mm (0.9 in) over just 5 days, making it a drier month overall. For more detailed information, check out La Fortuna weather in February.
When comparing the weather in October and March, one notices some significant differences. October typically boasts a warmer minimum temperature of 20°C (67°F) and an average temperature of 24°C (75°F), while March has slightly cooler temperatures with a minimum of 17°C (63°F) and an average of 23°C (74°F).
The most notable contrast lies in precipitation, as October experiences heavy rainfall with 398 mm (15.7 in) over 29 days, contributing to a much higher humidity level of 82%. In contrast, March sees significantly less precipitation at just 28 mm (1.1 in) across only 6 days and a more comfortable humidity level of 68%. These weather patterns offer distinct experiences, making October a lush, wet month and March much drier and milder. For more specific details, you can check out La Fortuna weather in March.
When comparing the weather in October and April, October tends to be characterized by warmer temperatures but significantly higher humidity and precipitation. In October, temperatures range from a minimum of 20°C (67°F) to a maximum of 30°C (86°F), with an average of 24°C (75°F) and an overwhelming 398 mm (15.7 in) of rainfall over 29 days, contributing to a high humidity level of 82%. In contrast, April experiences slightly cooler minimum temperatures, ranging from 17°C (64°F) to a higher maximum of 32°C (90°F), with an average of 24°C (76°F) and a much lower precipitation total of 72 mm (2.8 in) over just 13 days, resulting in a more comfortable humidity level of 69%. For more specific details about La Fortuna's weather patterns in April, you can explore this link: La Fortuna weather in April.
October and May both experience warm temperatures, with average highs around 24°C (75°F). However, October tends to be slightly wetter with a significant 398 mm (15.7 in) of precipitation over 29 days, compared to May's 308 mm (12.1 in) over 26 days. Humidity levels are also higher in October at 82%, while May enjoys a more comfortable 70%. For a more detailed look at the climate specifics, you can check out La Fortuna weather in May.
In comparing the weather between October and June, both months exhibit similar temperature ranges, with October showing a minimum of 20°C (67°F), an average of 24°C (75°F), and a maximum of 30°C (86°F), while June features a minimum of 20°C (68°F), an average of 24°C (76°F), and a slightly warmer maximum of 31°C (88°F). Notably, October experiences higher precipitation levels, with 398 mm (15.7 in) over 29 days, compared to June's 312 mm (12.3 in) across the same number of days. Humidity remains comparable, with October at 82% and June at 81%, making both months feel quite humid. For more specific details about the weather conditions during June, you can check La Fortuna weather in June.
When comparing the weather in October and July, both months feature similar temperature ranges, with minimums around 20°C (68°F), averages at 24°C (75°F), and maximums reaching 30°C (86°F for October and 87°F for July). However, October experiences significantly more precipitation, totaling 398 mm (15.7 in) over 29 days, while July sees just 253 mm (10.0 in) across 28 days. Additionally, humidity levels are higher in July at 88%, compared to 82% in October. For a closer look at July’s weather patterns, you can visit La Fortuna weather in July.
When comparing the weather in October and August, we see some notable differences. Both months experience a similar range in temperature, with October’s min at 20°C (67°F) and max at 30°C (86°F), while August boasts a max of 31°C (89°F). However, October is marked by significantly higher precipitation, measuring 398 mm (15.7 in) over 29 days, compared to August's 295 mm (11.6 in) during the same number of days. This increase in rainfall contributes to a higher humidity level in October at 82%, slightly elevated from August's 85%. For more details on August weather, you can visit La Fortuna weather in August.
In comparing the weather of October and September, both months share similar average temperatures, with October ranging from a minimum of 20°C (67°F) to a maximum of 30°C (86°F), and September showcasing a slightly higher maximum of 31°C (88°F). However, October experiences significantly more precipitation, totaling 398 mm (15.7 in) over the month, compared to September's 277 mm (10.9 in), both of which have rain on 29 days. Additionally, while humidity levels remain high in both months, October is slightly lower at 82% compared to September's 84%. For more details on September's weather in La Fortuna, you can check La Fortuna weather in September.
In October, the weather is characterized by slightly warmer temperatures, with a minimum of 20°C and an average of 24°C, reaching up to a maximum of 30°C. The month experiences significant rainfall, totaling 398 mm over 29 days, and high humidity at 82%. In contrast, November sees a slight dip in temperatures, with a minimum of 19°C and an average of 23°C, peaking at 29°C. Precipitation decreases to 259 mm over 27 days, coupled with a marginally lower humidity of 81%. For a more detailed look at what to expect, you can explore La Fortuna weather in November.
October typically features warmer temperatures, with a minimum of 20°C (67°F) and an average of 24°C (75°F), reaching a maximum of 30°C (86°F). It also experiences significantly higher precipitation, with 398 mm (15.7 in) over 29 days and an elevated humidity of 82%. In contrast, December sees slightly cooler temperatures, with a minimum of 17°C (63°F) and an average of 23°C (73°F), peaking at 29°C (84°F). Additionally, December benefits from much lower rainfall, totaling 180 mm (7.1 in) over just 22 days, and a decrease in humidity to 74%. For more detailed information about December weather, you can check La Fortuna weather in December.
October in La Fortuna is characterized by higher humidity and frequent rain, marking a distinct shift from the drier months that precede it. With temperatures generally milder, the lush landscapes thrive under the substantial 398 mm of rainfall spread across nearly every day of the month. This tropical wet season not only revitalizes the local flora but also enhances the vibrant green scenery that La Fortuna is famous for. While the warmth remains, prepare for the moist conditions that define this unique time of year. For more in-depth insights about the climate throughout the year, check out La Fortuna Climate.