Last updated: August 21, 2025
In Sarchi, Costa Rica, May showcases a delightful blend of warmth and occasional rain, making it an intriguing time for visitors. Temperatures typically peak at a comfortable 28°C (83°F) during the day, while the average hovers around 21°C (70°F), cooling down to a refreshing 16°C (61°F) at night. The month is characterized by significant precipitation, receiving a notable 391 mm (15.4 in) of rain spread over 27 days, contributing to the region's lush greenery. With an average humidity level of 69%, the air is consistently humid, offering a vibrant atmosphere that embodies the tropical essence of this enchanting locale.
In May, Sarchi, Costa Rica experiences a delightful shift in temperatures as it transitions deeper into the year. With minimums around 16°C (61°F) and maximums peaking at 28°C (83°F), the weather remains warm and inviting. The average temperature hovers comfortably at 21°C (70°F), making this month ideal for exploring the lush surroundings. As the region moves into its rainy season, the slight uptick in humidity brings a refreshing change, but the warmth persists. Overall, May is a lovely time to visit, striking a balance between pleasant warmth and the lush rejuvenation that comes with the rains.
May marks a dramatic shift in Sarchi, Costa Rica's precipitation patterns, as it receives a staggering 391 mm (15.4 in) of rain over 27 days. This intense rainfall not only solidifies May as the wettest month of the year but also sets the stage for the rainy season ahead. Compared to the preceding months, where precipitation was relatively low—such as the mere 13 mm (0.5 in) in February—May's deluge signifies an arrival of lush greenery and vibrant ecosystems. The surge in rain continues into June, further emphasizing a trend of high precipitation throughout the mid-year months. As the rain pours down, Sarchi transforms, showcasing the incredible resilience of nature and the beauty of its tropical environment.
In May, Sarchi, Costa Rica experiences a slight increase in humidity, reaching 69%, which is a subtle uptick from the preceding months' averages. This elevation marks the transition into the wetter season, where humidity levels begin to climb notably. As the region approaches the peak of its rainy months in June and July, when humidity soars to 84% and 85% respectively, May serves as an early signal of the lush, tropical conditions that characterize Sarchi's climate. The gradual rise in humidity highlights the consistent warmth and moisture that define this vibrant landscape, making it an ideal time for those who appreciate the rich flora and fauna that thrive in such an environment.
In May, Sarchi, Costa Rica experiences a UV Index of 14, placing it within the extreme exposure category, with a burn time of just 10 minutes. This figure reflects a slight dip from the peak of 15 recorded in both March and April, yet the sun's intensity remains significant. For the locals and visitors alike, this means that sun protection is crucial during outdoor activities. As the region transitions into the wetter months, maintaining vigilance against UV rays becomes essential—particularly as the UV index stays consistently high into June and July. For more detailed insights, visit Sarchi UV Index.
UV Risk Categories
In Sarchi, Costa Rica, May welcomes a gentle transition as it experiences 235 hours of sunshine, slightly less than the sun-drenched months prior, such as March’s peak of 329 hours. This pattern hints at the onset of the rainy season, which typically begins in June, when sunshine dwindles to 226 hours. Despite the reduction in daylight, May still offers plenty of warm, bright days, making it a splendid time for outdoor activities before the rains settle in. The months leading into May provide a vibrant showcase of sunshine, especially from January through March, establishing a delightful contrast to the shorter hours ahead as the year progresses. As visitors enjoy the fading brilliance of May, they can savor the lush landscapes that thrive on the cusp of the rainy season, embodying the rich natural beauty that defines Sarchi.
In Sarchi, Costa Rica, the likelihood of sunny weather takes a noticeable dip in May with only a 14% chance of sunshine, marking one of the cloudiest months of the year. This trend follows a steep decline from April, where the sun shines about 20% of the time. The pattern persists into June and July, maintaining the same low chances, with sunshine becoming increasingly scarce as the rainy season approaches. In contrast, the year begins on a brighter note, showcasing higher probabilities of sun in January (52%) and December (50%), hinting that while May may not be the ideal time for sun-seekers, those who appreciate lush landscapes and the refreshing green that follows the rain might find charm in Sarchi’s cloudy skies.
In Sarchi, Costa Rica, the daylight duration exhibits a noticeable rhythm throughout the year. January and February usher in 11 hours of daylight, gradually shifting as spring approaches. By March and April, the days lengthen to 12 hours, a trend that continues through much of the year. This steady stretch of daylight provides a bright backdrop for outdoor activities from May through August, maintaining that 12-hour mark even into September. However, as the year progresses, daylight begins to shorten again, returning to 11 hours by October and remaining steady through December. This cyclical pattern not only enhances the rich biodiversity of the region but also contributes to the vibrant culture and lifestyle that Sarchi is celebrated for.
In Sarchi, Costa Rica, the winds of May are typically gentle, with an average speed of 1.5 m/s (3 mph), marking a noticeable dip as the region transitions from the breezier months of early spring. Following a gradual decline from April’s 1.7 m/s, this shift sets the tone for the upcoming wet season, where winds tend to calm down further into June and August. Interestingly, while January through April exhibit more robust gusts averaging between 1.7 m/s and 2.4 m/s, the trend speaks to a natural ebb and flow in climatic conditions. As May settles in, the serene atmosphere invites tranquility, making it a perfect time for leisurely pursuits while enjoying the lush landscapes that Costa Rica is famed for.
Weather in Sarchi varies notably across the year, with each month offering distinct climate conditions. This page compares May’s weather to other months in Sarchi, focusing on differences in temperature, rainfall, humidity, and UV levels.
When comparing the weather in May and January, it's clear that May is significantly wetter and warmer. In May, temperatures range from a minimum of 16°C (61°F) to a maximum of 28°C (83°F), with an average of 21°C (70°F), while January sees slightly cooler temperatures, with a minimum of 13°C (56°F) and a maximum of 27°C (82°F), averaging around 20°C (68°F). Additionally, May experiences much more precipitation, totaling 391 mm (15.4 in) over 27 days, compared to January's modest 32 mm (1.3 in) over just 6 days. Despite the higher amount of rain, humidity levels are fairly similar, with May at 69% and January at 68%. For a closer look at January's weather specifically, you can refer to Sarchi weather in January.
When comparing the weather in May and February, it’s evident that May is significantly wetter, with precipitation totaling 391 mm (15.4 in) over 27 days, while February only sees a mere 13 mm (0.5 in) of rain across just 3 days. Despite both months having similar maximum temperatures of 28°C (83°F), May tends to be warmer overall with an average temperature of 21°C (70°F), compared to February’s average of 20°C (69°F). Additionally, the humidity levels are comparable, with May at 69% and February slightly lower at 68%. For more details on February's climate, you can check Sarchi weather in February.
In comparing the weather of May and March, both months exhibit similar temperature averages, with minimums around 14-16°C and maximums reaching up to 28°C (83°F). However, May is notably wetter, receiving an average of 391 mm (15.4 in) of rainfall over 27 days, compared to March's more modest 15 mm (0.6 in) over just 4 days. The humidity levels are fairly close, with May at 69% and March slightly lower at 66%. For more detailed information about the conditions in March, you can visit Sarchi weather in March.
In comparing the weather between April and May, both months share similar average temperatures, hovering around 21°C (70°F), but May experiences slightly higher minimum and maximum temperatures, with a range from 16°C (61°F) to 28°C (83°F), compared to April's range of 15°C (58°F) to 29°C (85°F). One notable difference is the significant increase in precipitation during May, with 391 mm (15.4 in) recorded over 27 days, in stark contrast to April's 79 mm (3.1 in) spread across only 16 days. Additionally, humidity levels are slightly higher in May at 69%, compared to April’s 67%. For a more detailed look at April's weather specifics, you can visit Sarchi weather in April.
May and June share similar temperature ranges, with both months featuring a minimum temperature of 16°C (61°F) and an average of 21°C (70°F). However, June typically sees slightly cooler maximum temperatures, peaking at 27°C (81°F) compared to May's 28°C (83°F). Precipitation is abundant in both months, but May receives more rain, totaling 391 mm (15.4 in) over 27 days, while June has 351 mm (13.8 in) across the same number of days. Additionally, June exhibits higher humidity levels at 84%, in contrast to May's 69%. For a more detailed overview of the climate, check out Sarchi weather in June.
When comparing the weather of May and July, we see some interesting contrasts. In May, temperatures range from a minimum of 16°C (61°F) to a maximum of 28°C (83°F), with an average of 21°C (70°F). The month experiences significant rainfall, totaling 391 mm (15.4 in) over 27 days and maintaining a humidity level of 69%. Conversely, July presents a slightly cooler climate, with temperatures ranging from 16°C (61°F) to 27°C (81°F) and the same average of 21°C (69°F). Rainfall in July is considerably lower at 233 mm (9.2 in) across 26 days, but humidity rises to a higher 85%. This contrast highlights how May tends to be wetter, while July offers a subtler decrease in temperature and less precipitation. For more detailed insights, you can check Sarchi weather in July.
May and August offer relatively similar temperature ranges, with May featuring a minimum of 16°C (61°F) and an average of 21°C (70°F), while August sees a minimum of 16°C (60°F) and an average of 20°C (69°F). Both months can peak at a maximum of 28°C (83°F), making them warm but comfortable. However, May tends to be wetter, with 391 mm (15.4 in) of rainfall across 27 days, compared to August’s 331 mm (13.0 in) over 26 days. Additionally, August experiences higher humidity at 82%, compared to May’s 69%. For a detailed look at August conditions, visit Sarchi weather in August.
May and September exhibit similar temperature ranges, with May experiencing slightly warmer conditions, averaging 21°C (70°F) compared to September's 20°C (69°F). However, September tends to be wetter, with total precipitation of 436 mm (17.2 in) over 28 days, slightly higher than May's 391 mm (15.4 in) across 27 days. Additionally, September's humidity reaches 81%, making it feel more humid compared to May's 69%. For further details, you can explore Sarchi weather in September.
May and October weather exhibit some notable differences despite their similar temperature ranges. In May, temperatures typically range from a minimum of 16°C (61°F) to a maximum of 28°C (83°F), with an average of 21°C (70°F). The month sees significant rainfall, with about 391 mm (15.4 in) of precipitation spread over 27 days and a humidity level of 69%.
In contrast, October is slightly cooler, with temperatures ranging from a minimum of 15°C (60°F) to a maximum of 27°C (80°F), averaging 20°C (68°F). However, it is also wetter, receiving 570 mm (22.4 in) of rainfall over 29 days and exhibiting higher humidity at 80%. For a more detailed understanding of weather patterns, you can visit Sarchi weather in October.
In May, temperatures range from a minimum of 16°C (61°F) to a maximum of 28°C (83°F), with an average temperature of 21°C (70°F). The month experiences significant rainfall, totaling 391 mm (15.4 in) over 27 days, resulting in a humidity level of 69%. In contrast, November features slightly cooler temperatures, with a minimum of 15°C (59°F) and a maximum of 26°C (79°F), averaging 20°C (68°F). Precipitation decreases to 209 mm (8.2 in) spread across 19 days, and humidity rises to 80%. This shift in weather reflects a transition from the wet season in May to the cooler, drier conditions of November. For more specific details on the weather during this time, you can visit Sarchi weather in November.
In comparing the weather between May and December, we see some notable differences. May experiences warmer temperatures, with a minimum of 16°C (61°F), an average of 21°C (70°F), and a maximum of 28°C (83°F), while December's temperatures range slightly lower, with a minimum of 15°C (58°F), an average of 20°C (68°F), and a maximum of 26°C (80°F). Additionally, May is characterized by significantly higher precipitation, totaling 391 mm (15.4 in) over 27 days, compared to December's much lighter rainfall of 63 mm (2.5 in) on 11 days. Humidity levels in December are slightly higher at 72%, compared to May's 69%. For more specific details, you can refer to Sarchi weather in December.
May in Sarchi brings a noticeable shift in weather patterns, transitioning into the heart of the rainy season. With higher humidity levels and frequent rainfall, this month stands out from the dryer months preceding it. Expect temperatures that comfortably hover around a mild 21°C (70°F), but be prepared for the occasional afternoon shower that can lead to a total precipitation of over 391 mm (15.4 in) across about 27 days. This lush, vibrant month transforms the landscape into a verdant paradise, making it a unique time to experience Sarchi’s natural beauty. For more insights on how the weather shapes your visit, explore the detailed information available at Sarchi Climate.