Last updated: August 21, 2025
October in San Ramon, Costa Rica offers a vibrant yet wet atmosphere, characterized by temperatures ranging from a pleasant 18°C (66°F) to a welcoming 29°C (84°F), with an average of 23°C (73°F). This month brings significant precipitation, totaling 639 mm (25.2 in) over 30 days, ensuring the lush greenery thrives. With humidity levels hovering around 80%, the air feels rich and invigorating, creating a perfect backdrop for exploring the beauty of this tropical paradise. Visitors should prepare for frequent rain showers, but the rejuvenating landscape and tropical ambiance make October a uniquely enchanting time to experience San Ramon.
In October, San Ramon, Costa Rica experiences a delightful blend of mild temperatures, making this month an inviting time to visit. The minimum temperature hovers around a pleasant 18°C (66°F), while the average remains comfortable at 23°C (73°F). With a maximum of 29°C (84°F), the warmth is balanced by refreshing breezes, typical of the region's transition into the wet season. Compared to the preceding months, temperatures remain relatively stable, showcasing a slight cooling trend as the rainy season progresses, while the humidity begins to rise. This makes October a vibrant time for lush landscapes and abundant wildlife, perfect for those looking to explore Costa Rica's natural beauty.
October marks a dramatic peak in precipitation for San Ramon, Costa Rica, with an astonishing 639 mm (25.2 in) of rainfall recorded over 30 days. This month stands out not only for its remarkable volume but also for the consistency of downpours that typifies the rainy season. Compared to earlier months, October's rainfall significantly overshadows September's 461 mm (18.2 in), suggesting a continued escalation in the wet season's intensity. Throughout the year, a noticeable trend emerges: the rains progressively increase from April's 118 mm (4.6 in) to October's peak, before tapering off in November. This pattern highlights San Ramon's transformation into a lush, vibrant landscape during the peak rainy season, attracting both the beauty of nature and numerous tourists eager to experience its rich greenery.
In October, San Ramon, Costa Rica, experiences a significant drop in humidity compared to the peak months of June and July, which see levels soaring to 84% and 85%, respectively. With an average humidity of 80%, October maintains a comfortable yet tropical climate as the rainy season gradually wanes. This month marks a transition where humidity starts to stabilize, aligning closely with November's consistent levels. Overall, while October is still quite humid, it hints at the beginning of a shift towards the drier end of the year, offering a refreshing respite from the intense moisture of the summer months.
In October, San Ramon, Costa Rica, experiences a UV Index of 14, maintaining its status within the extreme exposure category. This figure reflects a consistent pattern observed throughout the year, with high UV levels persisting from January through September, peaking at 15 in both March and April. As the month progresses, residents and visitors alike should be mindful that even with October's slight dip, the 10-minute burn time remains unchanged, emphasizing the need for protective measures when enjoying the outdoors. For further insights into daily UV fluctuations, you can check the comprehensive data at San Ramon UV Index.
UV Risk Categories
In October, San Ramon, Costa Rica, enjoys a blend of sunshine and transitional weather, with 211 hours of daylight illuminating the vibrant landscape. This month typically sees a slight dip in sunlight compared to the peak of March, which boasts the highest at 329 hours. Following the rainy seasons of May and June, October's sun adds a refreshing touch to the scenery as it moves towards the brighter days of November and December, which regain their prominence with 229 and 291 hours of sunlight, respectively. The gradual decrease from summer to autumn highlights the rich diversity of weather patterns that make Costa Rica such a captivating destination year-round.
In October, San Ramon, Costa Rica, experiences a modest 16% chance of sunny weather, making it one of the cloudier months of the year. This slight uptick in sunshine follows a trend seen from the previous months, as the chances of sun dwindle significantly from the relatively brighter January, which boasts a 57% likelihood. After the peak months of January through March, sunshine becomes increasingly elusive, with a dramatic drop in April to just 24%, continuing its descent through the rainy season. As October closes this wetter phase, the emergence of more sunny days is anticipated in November, when the chances jump to 31%. Visitors can expect October to be characterized by inviting tropical rainfalls, punctuated by occasional glimpses of sunshine.
In San Ramon, Costa Rica, the rhythm of daylight reveals a captivating pattern throughout the year. From January to February, residents enjoy a steady 11 hours of daylight, which gradually increases to 12 hours from March through September, offering long, sun-filled days perfect for outdoor activities and exploration. As October approaches, the daylight gently dips back to 11 hours, mirroring the early months of the year. This transition signals the onset of a cooler season, as November and December echo October's daylight duration. The consistency between these months cultivates a sense of predictability, allowing both locals and visitors to plan their adventures in harmony with the natural cycle.
As the month of October settles in, the winds in San Ramon, Costa Rica, dance at a gentle pace, averaging a calming 1.1 m/s (2 mph). This marks a subtle decline in wind speed compared to the previous months, reflecting a trend of decreasing breeziness that begins in late summer and carries through the fall. In the heart of the year, March sees a peak wind speed of 2.1 m/s (5 mph), but by October, the air becomes softer and quieter, inviting tranquility and a serene atmosphere. This gentle wind sets the stage for evenings filled with the melodic rustle of leaves, offering a perfect backdrop for enjoying the lush natural beauty that defines this vibrant landscape.
Weather in San Ramon varies notably across the year, with each month offering distinct climate conditions. This page compares October’s weather to other months in San Ramon, focusing on differences in temperature, rainfall, humidity, and UV levels.
In October, weather conditions are generally warmer and wetter, with temperatures ranging from a minimum of 18°C (66°F) to a maximum of 29°C (84°F). The month witnesses a significant amount of rainfall, averaging 639 mm (25.2 in) over 30 days, accompanied by high humidity levels of 80%. In contrast, January boasts a slightly cooler minimum temperature of 17°C (63°F) and a higher maximum temperature of 31°C (87°F), but it is remarkably drier, with only 28 mm (1.1 in) of precipitation falling over about 7 days. This leads to a lower humidity level of 68%. For a detailed look at January weather specifics, visit San Ramon weather in January.
October and February present contrasting weather conditions. In October, temperatures range from a minimum of 18°C (66°F) to a maximum of 29°C (84°F), with an average of 23°C (73°F). This month is characterized by high humidity at 80% and significant rainfall, accumulating 639 mm (25.2 in) over 30 days. In stark contrast, February features a slightly cooler temperature range, with a minimum of 16°C (62°F) and a maximum of 31°C (88°F), averaging 24°C (76°F). February is considerably drier, receiving only 13 mm (0.5 in) of precipitation over just 3 days, and the humidity drops to 68%. For more details on February's weather, you can check San Ramon weather in February.
In comparing the weather between October and March, October features a milder temperature range with minimum temperatures around 18°C (66°F) and average highs reaching 29°C (84°F). However, it is significantly wetter, with precipitation measuring 639 mm (25.2 in) over 30 days, resulting in a high humidity level of 80%. In contrast, March tends to be warmer and drier, with average temperatures peaking at 32°C (89°F) and only 18 mm (0.7 in) of rain over just 4 days, leading to a lower humidity of 66%. For more details, you can check out San Ramon weather in March.
In comparison, October weather features slightly cooler averages with temperatures ranging from a minimum of 18°C (66°F) to a maximum of 29°C (84°F), while April boasts warmer temperatures, with minimums of 18°C (64°F) and maximums reaching 31°C (89°F). Although both months experience high humidity—80% in October compared to 67% in April—October is characterized by significantly heavier rainfall, with total precipitation of 639 mm (25.2 in) over 30 days, unlike April's more manageable 118 mm (4.6 in) spread over 24 days. For a detailed look at April's weather in San Ramon, check out San Ramon weather in April.
When comparing the weather in October and May, we see that both months feature similar temperature ranges, with October having a slightly lower average minimum temperature of 18°C (66°F) compared to May's 19°C (67°F). May tends to be a bit warmer overall, with an average maximum temperature of 30°C (86°F), while October peaks at 29°C (84°F). However, October is characterized by significantly higher rainfall, with 639 mm (25.2 in) compared to May's 412 mm (16.2 in), despite both months experiencing precipitation on the same number of days—30. Additionally, the humidity levels are higher in October at 80%, compared to a more comfortable 69% in May. For a detailed look at May's weather, you can visit San Ramon weather in May.
When comparing the weather in October and June, both months showcase warm temperatures, but with some notable differences. October typically features a slightly lower minimum temperature of 18°C (66°F) and an average of 23°C (73°F), while June maintains a minimum of 19°C (66°F) and an average of 24°C (75°F). Additionally, October experiences more rainfall, with 639 mm (25.2 in) compared to June's 397 mm (15.6 in), highlighting the latter's relatively drier conditions. Humidity levels are comparable, with October at 80% and June slightly higher at 84%. For more detailed insights on June weather, you can visit San Ramon weather in June.
When comparing the weather in October and July, both months exhibit similar temperature ranges with high averages around 29°C (84°F) in October and 29°C (85°F) in July. However, October tends to be slightly cooler, with averages of 23°C (73°F) compared to July’s 24°C (75°F). Additionally, October experiences significantly higher precipitation, with 639 mm (25.2 in) over 30 days, whereas July has only 296 mm (11.7 in) during the same number of days. The humidity levels are also noteworthy, with October at 80% and July slightly higher at 85%. For more specific details on July weather, check out San Ramon weather in July.
In comparison, October and August present some notable differences in weather patterns. October features slightly cooler temperatures with a minimum of 18°C (66°F) and a maximum of 29°C (84°F), while August has a minimum of 19°C (66°F) and reaches up to 30°C (85°F). Despite similar average temperatures around 23°C (73°F for October and 74°F for August), October experiences significantly higher precipitation levels, totaling 639 mm (25.2 in) over 30 days compared to August's 393 mm (15.5 in) during the same period. Humidity is also slightly lower in October at 80%, compared to 82% in August. For more detailed information, you can check San Ramon weather in August.
In comparing the weather between October and September, we find that both months show similar temperature ranges, with minimums around 18°C (66°F) and maximums peaking at 29°C (84°F in October and 85°F in September). The average temperatures are also closely aligned, averaging 23°C (73°F in October and 74°F in September). However, October is characterized by significantly higher precipitation, totaling 639 mm (25.2 in) over 30 days, compared to September's 461 mm (18.2 in) across 29 days. Additionally, humidity levels are slightly more pronounced in September at 81%, while October sees a decrease to 80%. For more detailed insights, you can check the San Ramon weather in September.
In comparing the weather of October and November, both months experience similar temperature ranges, with minimums around 18°C (66°F), averages near 23°C (73°F), and maximums climbing to about 29°C (84-85°F). However, November stands out for its significantly lower precipitation, receiving only 251 mm (9.9 in) over 28 days, compared to October's substantial 639 mm (25.2 in) across 30 days. Notably, humidity levels remain consistent at 80% for both months, contributing to a tropical feel throughout this transition period. For more details, you can check San Ramon weather in November.
In October, the weather is characterized by warm temperatures, with minimums around 18°C (66°F) and average highs reaching 29°C (84°F). However, it also brings significant rainfall, totaling 639 mm (25.2 in) over 30 days, resulting in high humidity levels around 80%. By contrast, December maintains a similar temperature range, with minimums at 18°C (65°F) and average highs up to 30°C (86°F), but significantly less precipitation, totaling just 72 mm (2.8 in) over 18 days and lower humidity at 72%. This makes December feel drier and more comfortable compared to the wetter October climate. For more details, check San Ramon weather in December.
As October unfolds in San Ramon, the weather showcases a unique character markedly different from other months. The increased humidity envelops the region, creating a more tropical atmosphere, while the relentless rainfall of nearly 30 days enriches the landscape but may dampen outdoor activities. With temperatures peaking at around 29°C, it certainly maintains warmth, yet the average cools to a comfortable 23°C, making it a month of contrast. If you’re looking to better understand how October fits into the broader climatic picture, explore more at San Ramon Climate.