Last updated: August 21, 2025
May in Turrialba, Costa Rica presents a fascinating blend of warm temperatures and lush tropical ambiance. With a maximum temperature reaching 28°C (82°F) and an average of 20°C (67°F), the weather offers a comfortable climate for both locals and visitors. However, the month is also marked by substantial precipitation, totaling 468 mm (18.4 in) over 30 days, enhancing the region’s vibrant greenery. The humidity level hovers around 69%, contributing to the lush landscapes that define this beautiful area. This combination of warmth and moisture creates an ideal backdrop for experiencing the rich biodiversity of Turrialba.
In May, Turrialba, Costa Rica, greets visitors with a comfortable warmth as temperatures rise, showcasing a minimum of 14°C (58°F) and peaking at a delightful 28°C (82°F). This month marks a transition into the warmer season, with an average temperature of 20°C (67°F) that invites outdoor exploration. Compared to the cooler early months of the year, May brings a notable increase in warmth, making it an appealing time for those seeking sunny adventures. As the rain begins to softly tap on the rooftops later in the month, the lush landscape comes alive, making Turrialba a beautiful backdrop for nature lovers and adventurers alike.
In May, Turrialba, Costa Rica, experiences a remarkable surge in precipitation, with an astounding 468 mm (18.4 in) of rain recorded over the month. This significant rainfall marks a peak, showcasing May as one of the wettest months, with rain falling on 30 days. The intensity of the downpours can be attributed to the transition into the rainy season, which begins in earnest during this period. Compared to the preceding months—where April's total was 167 mm (6.6 in) from 27 days of rain—May’s deluge is a dramatic leap, reflecting the region's lush tropical climate and vital ecosystem. This abundance of moisture not only revitalizes the landscape but also highlights the vital role that May plays in replenishing the water supply ahead of the dry months that follow.
In May, Turrialba, Costa Rica experiences a slight increase in humidity, reaching 69%. This marks a transition as the month follows a trend of relatively stable levels in the earlier spring months—averaging 66% to 68% from January through April. With the arrival of June and the height of the rainy season, humidity levels surge dramatically to 84%. This gradual rise in humidity throughout late spring indicates the onset of lush tropical conditions characteristic of the region, where the vibrant ecosystem thrives under increasing moisture. As the year progresses, humidity remains high, peaking in the summer months, painting a vivid picture of Turrialba’s dynamic climate.
In May, Turrialba, Costa Rica experiences an impressive UV Index of 14, classifying it in the extreme exposure category, with a quick burn time of just 10 minutes. This month is part of a trend showcasing consistently high UV levels from January through April, where indices peaked at 15. Following May, the UV Index remains steady at 14 through to August, demonstrating that visitors should remain vigilant against sun exposure during this period. As the UV levels begin to taper off in the later months of the year, it's essential to stay informed and protect your skin year-round. For more detailed insights, visit Turrialba UV Index.
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In Turrialba, Costa Rica, May marks a delightful transition into the dry season, offering 263 hours of sunshine that bathe the landscape in golden hues. While slightly less than the vibrant March peak of 330 hours, it reflects a stable trend in sun-soaked days as the year progresses. Following the peak of 308 hours in April, May's sunny disposition holds its own, maintaining an average that balances out the lush greenery with brighter skies. The month serves as a gentle farewell to the heavier rains of the earlier months, hinting at the sunny joys to follow in June and beyond. This sunny allure makes May a fantastic time for outdoor explorations, as the weather prepares to step into sunnier and more stable patterns ahead.
In Turrialba, Costa Rica, the likelihood of sunny weather significantly dips in May, with only an 11% chance of sunshine. This marks a notable transition from the dryer months of January through April, where the chances of sun are relatively higher, peaking at 41% in January. As the region enters May, it becomes part of the rainy season, which continues its trend of limited sunshine into the subsequent months. By June and July, the prospects remain low at 13% and 17%, respectively, demonstrating a clear seasonal variation that highlights the lush, verdant beauty of Turrialba during this time, tempered by the scarcity of sunny days.
In Turrialba, Costa Rica, the daylight duration exhibits a captivating pattern throughout the year. From January to April, the days gradually lengthen, peaking at 12 hours in both March and April, followed by a consistent 12-hour span stretching from May through August. This remarkable consistency in daylight brings a sense of balance and harmony to the region during the lush summer months. As the year progresses into October, daylight begins to decline once more, returning to 11 hours by year's end. This cyclical rhythm not only enhances the beauty of Turrialba but also enriches the vibrant ecological and cultural tapestry of the area.
In Turrialba, Costa Rica, the wind in May tends to be gently breezy, with an average speed of 1.3 m/s (3 mph), marking a slight decline from the preceding months. This trend of diminishing winds continues into June, where speeds drop further to 1.2 m/s (3 mph). It’s apparent that as the season transitions from the lively breezes of early months—averaging around 1.8 m/s (4 mph) in March and January—May offers a moment of calm before the summer months. The milder winds create a tranquil atmosphere, ideal for enjoying the lush landscapes, while still hinting at the refreshing breezes that will make a comeback as the year progresses into late fall.
Weather in Turrialba varies notably across the year, with each month offering distinct climate conditions. This page compares May’s weather to other months in Turrialba, focusing on differences in temperature, rainfall, humidity, and UV levels.
May typically features warmer temperatures than January, with averages reaching up to 20°C (67°F) and maximums as high as 28°C (82°F), compared to January's average of 17°C (63°F) and maximum of 24°C (75°F). In addition, May experiences significantly more rainfall, with 468 mm (18.4 inches) over 30 days, compared to January's 194 mm (7.6 inches) over 17 days. Both months share comparable humidity levels, hovering around 68-69%. For a detailed look at January weather, you can view more information here: Turrialba weather in January.
When comparing the weather in May and February, we see notable differences in temperature and precipitation patterns. May tends to be warmer, with minimum temperatures around 14°C (58°F) and average highs reaching 28°C (82°F), while February features slightly cooler conditions, with minimums of 10°C (51°F) and maximums of 24°C (76°F). Additionally, May experiences significantly more rainfall, totaling 468 mm (18.4 in) over 30 days, compared to February's 105 mm (4.1 in) across 18 days. The humidity is somewhat similar in both months, with May at 69% and February at 68%. For more detailed information about February weather, you can check out this link: Turrialba weather in February.
May's weather marks a noticeable shift compared to March, with higher temperatures ranging from a minimum of 14°C (58°F) to a maximum of 28°C (82°F), while March experiences a cooler range of 11°C (51°F) to 24°C (75°F). However, May is significantly wetter, receiving 468 mm (18.4 in) of precipitation over 30 days, compared to March's 117 mm (4.6 in) spread over 20 days. Both months maintain similar humidity levels, with May at 69% and March slightly lower at 66%. For more detailed information about March weather, visit Turrialba weather in March.
Comparing the weather in May and April, we see that May typically experiences slightly warmer temperatures, with an average of 20°C (67°F) compared to April's 19°C (66°F). The maximum temperatures peak at 28°C (82°F) in May, while April reaches up to 26°C (78°F). However, May also brings significantly more rainfall, with 468 mm (18.4 in) of precipitation over 30 days, compared to April's 167 mm (6.6 in) over 27 days. Humidity levels remain quite similar, with May at 69% and April at 67%. For more details about April's weather, you can visit Turrialba weather in April.
In comparing the weather between May and June, both months display a similar average temperature of around 20°C (68°F), but with some notable differences. May experiences a wider temperature range, with a minimum of 14°C (58°F) and a maximum of 28°C (82°F), while June's range is slightly narrower, with a minimum of 15°C (59°F) and a maximum of 27°C (80°F). Precipitation levels also vary significantly; May is much wetter, with 468 mm (18.4 in) over 30 days, compared to June's 292 mm (11.5 in) across 29 days. Additionally, June has higher humidity at 84%, compared to May's 69%. For more detailed insights, you can check Turrialba weather in June.
In May, temperatures range from a minimum of 14°C (58°F) to a maximum of 28°C (82°F), with an average of 20°C (67°F). The month is notably wet, receiving 468 mm (18.4 in) of precipitation over 30 days, accompanied by a humidity level of 69%. In contrast, July shows slightly warmer minimum temperatures at 15°C (59°F) and a cooler maximum temperature of 25°C (78°F), with an average of 19°C (67°F). The amount of rainfall decreases significantly to 254 mm (10.0 in) over 28 days, and the humidity rises to 85%. Thus, while May offers higher daytime temperatures, July is marked by increased humidity and reduced rainfall, making it a distinct weather experience. For more detailed information, visit Turrialba weather in July.
In comparing the weather between May and August, May tends to be warmer overall, with an average temperature of 20°C (67°F) compared to August's average of 19°C (67°F). May also experiences higher maximum temperatures, reaching up to 28°C (82°F), whereas August peaks at 26°C (79°F). Precipitation is significantly greater in May, with 468 mm (18.4 in) spread over 30 days, while August sees only 243 mm (9.5 in) over 29 days, indicating a slightly drier climate. However, humidity is higher in August at 82%, compared to May's 69%, making those summer days feel more oppressive. For more details on conditions during this month, you can refer to Turrialba weather in August.
In comparison to May, September features slightly cooler temperatures with a minimum of 15°C (59°F), an average of 19°C (67°F), and a maximum of 26°C (79°F). While May experiences higher rainfall at 468 mm (18.4 in) over 30 days, September has significantly less precipitation at 284 mm (11.2 in) across 29 days. Additionally, September's humidity is higher at 81%, compared to May's 69%. For more detailed information on September weather, you can check Turrialba weather in September.
May and October in Turrialba showcase a similar range of temperatures, with both months featuring minimums around 14°C (58°F) and maximums nearly peaking at 28°C (82°F) and 27°C (81°F) respectively. However, May averages slightly warmer at 20°C (67°F) compared to October's average of 19°C (67°F). Precipitation is a notable factor in both months, with May receiving 468 mm (18.4 in) and October slightly higher at 479 mm (18.9 in). Additionally, October sees a higher humidity level of 80%, compared to May's 69%. For a detailed look at the October weather, you can visit Turrialba weather in October.
May and November display distinct weather characteristics despite their similar minimum temperatures. In May, temperatures range from a minimum of 14°C (58°F) to a maximum of 28°C (82°F), with an average of 20°C (67°F). However, it sees higher precipitation levels at 468 mm (18.4 in) across 30 days, resulting in a humidity of 69%. In contrast, November experiences slightly cooler temperatures, with averages around 19°C (66°F) and a maximum of 24°C (76°F). The month also has lower precipitation amounts at 341 mm (13.4 in) over 27 days, contributing to a higher humidity of 80%. For more detailed insights into November weather, you can check Turrialba weather in November.
May and December in Turrialba present distinct weather patterns, showcasing a transition from the vibrant warmth of late spring to the cooler tones of early winter. In May, temperatures range from a minimum of 14°C (58°F) to a maximum of 28°C (82°F), with an average of 20°C (67°F) and relatively high humidity at 69%. The month is also characterized by significant rainfall, accumulating to 468 mm (18.4 in) over 30 days. In contrast, December experiences milder temperatures, with a minimum of 12°C (54°F), an average of 18°C (64°F), and a maximum of 23°C (74°F). Precipitation is less abundant in December, totaling 290 mm (11.4 in) over 20 days, alongside slightly higher humidity at 72%. For a closer look at what to expect, check out Turrialba weather in December.
May in Turrialba ushers in a distinct shift compared to other months, marked by a blend of warm temperatures and high humidity. As the average temperature settles around a comfortable 20°C, the region becomes a magnet for rainfall, with precipitation nearly reaching 468 mm across 30 days. This transition into the rainy season not only enhances the lush green scenery but also brings a refreshing respite from the drier months. The heightened humidity of 69% adds to the tropical ambiance, making May a uniquely vibrant time to experience Turrialba’s natural beauty. For a deeper dive into the climate trends of this beautiful region, visit Turrialba Climate.