May Weather in Quepos, Costa Rica

Last updated: August 21, 2025

In May, Quepos, Costa Rica, experiences a warm tropical climate, with average temperatures hovering around 25°C (78°F) and peaking at a maximum of 30°C (86°F). As the region welcomes the rainy season, residents and visitors can expect significant precipitation, totaling approximately 820 mm (32.3 in) over 31 days. Humidity levels are relatively high at 69%, contributing to the lush landscape and vibrant ecosystems that define this coastal paradise. Whether you're exploring the stunning beaches or the rich wildlife, the month of May offers a unique blend of warmth and refreshing rainfall, perfect for experiencing the natural beauty of Costa Rica.

May Temperature in Quepos

In May, Quepos, Costa Rica, experiences a delightful transition into warmer weather, making it a perfect time for beach lovers. With minimum temperatures around 22°C (71°F) and maximums reaching 30°C (86°F), the climate remains consistently warm and inviting. The average temperature hovers around 25°C (78°F), similar to previous months, while the maximum temperature sees a slight peak, indicating the onset of the rainy season. This month marks a subtle shift as humidity begins to rise, setting the stage for the lush greenery that characterizes the region. Whether you're exploring the vibrant wildlife or relaxing by the coast, May's splendid warmth and occasional rain showers offer a unique experience in this tropical paradise.

May Weather in Quepos: Daily Temperature Highs, Lows, and Averages

The chart illustrates May temperature patterns in Quepos, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Quepos, May typically has an average temperature of {2}°C ({3}°F), with highs reaching up to {4}°C ({5}°F) and lows dropping to around {6}°C ({7}°F).
JanFebMarAprMayJunJulAugSepOctNovDec777878787777777777767676
Data source: Temperature data for Quepos generated using information from the Copernicus Climate Change Service.
Choose your preferred temperature unit
The average of daily temperatures (24 hours) calculated across all days in the month.

May Precipitation in Quepos

In May, Quepos, Costa Rica, experiences a dramatic shift in precipitation, showcasing its lush tropical climate. With a staggering 820 mm (32.3 in) of rain falling over the entire month, this period marks the peak of the rainy season, featuring an impressive 31 rainy days. The increase from April's 320 mm highlights May as not only the wettest month but also a transition into the heart of the rainy season, setting the stage for a vibrant ecosystem. The rainfall serves to rejuvenate the surrounding nature, making the landscape wonderfully lush, but also creating a tapestry of clouds that often envelop the region—perfect for those who appreciate the beauty of nature in its most dramatic form.

May Precipitation Trends in Quepos

The chart displays monthly precipitation patterns in Quepos, with values for each month alongside May’s data, which is highlighted for easy comparison. It shows the amount of precipitation, providing insights into how May’s conditions compare to those of other months. In Quepos, May typically receives around {2} mm ({3} inches) of precipitation spread over approximately {4} days.
JanFebMarAprMayJunJulAugSepOctNovDec191102107320820696825914931967822456
Data source: Precipitation data for May generated using information from the Copernicus Climate Change Service.
Choose your preferred precipitation unit

May Humidity in Quepos

In May, Quepos, Costa Rica, experiences a mild increase in humidity, reaching 69%, a slight rise from April's 67%. This trend marks the beginning of a noticeable shift towards more humid conditions that intensify through the upcoming months. Following May, the humidity soars significantly during the rainy season, peaking in June and July at 84% and 85%, respectively. Overall, while May maintains a comfortable humidity level compared to the sweltering summer months, it also signals the transition to the lush, vibrant environment that characterizes Quepos's tropical climate.

May Average Humidity in Quepos

This chart illustrates the average monthly humidity levels in Quepos, with May’s data highlighted for easy comparison. It shows the fluctuation in humidity throughout the year, helping you understand how conditions vary by season. In May, average humidity in Quepos is approximately {2}%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec68%68%66%67%69%84%85%82%81%80%80%73%
Data source: Humidity data for May generated using information from the Copernicus Climate Change Service.

May UV Index in Quepos

In May, Quepos, Costa Rica experiences a notably high UV Index of 15, categorizing it under the extreme exposure level, with a swift burn time of just 10 minutes. This trend of escalating UV exposure continues from April, where the index reached 14, and reflects the region's peak UV intensity in the dry season. From January through to May, the UV Index steadily climbed, peaking mid-year before gradually tapering off during the rainy months. Travelers and residents alike should take precautions, as the relentless sunshine can lead to rapid skin damage. For more insights on UV levels throughout the year, visit Quepos UV Index.

Maximum UV Index Levels in Quepos for May

The chart shows the monthly maximum UV Index (UVI) for Quepos in May, representing the highest UV radiation level. The UVI measures the intensity of ultraviolet radiation from the sun, indicating the potential risk of sunburn and UV-related health issues. In May, the maximum UV index in Quepos typically reaches {2}, which falls under the {3} exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec111314141514141313131110
Data source: Quepos May UVI data generated using information from the Copernicus Climate Change Service.

UV Risk Categories

  •  Extreme (11+): Avoid the sun, stay in shade.
  •  Very High (8-10): Limit sun exposure.
  •  High (6-7): Use SPF 30+ and protective clothing.
  •  Moderate (3-5): Midday shade recommended.
  •  Low (0-2): No protection needed.

May Sunshine in Quepos

May in Quepos, Costa Rica marks a transitional phase in sunshine, with 221 hours of bright, sunny skies that hint at the approaching rainy season. After enjoying a peak in hours of sunlight during March, with 330 hours, the month of May shows a noticeable decline, echoing the seasonal shift that sees more cloud cover and showers ahead. Although it may not boast the same sun-filled days as earlier in the year, May still offers ample opportunities for outdoor adventures amidst lush landscapes. As temperatures rise and the verdant beauty of Costa Rica flourishes, visitors can relish the softer sunlight that gently warms their days, preparing for the lush greenery that follows the rains.

Monthly Sunshine Duration in Quepos: May Highlighted

The May sunshine duration represents the total number of hours Quepos experiences direct sunlight during the month of May, excluding cloudy or obstructed periods. This chart compares the sunshine duration of May with the other months of the year.
JanFebMarAprMayJunJulAugSepOctNovDec254h298h330h294h221h214h204h194h201h187h228h297h
Data source: Quepos May Sunshine duration data generated using information from the Copernicus Climate Change Service.

Chance of Sun in Quepos During May

In Quepos, Costa Rica, the likelihood of sunny weather experiences a notable decline as we move into May, with a mere 10% chance of sunshine. This marks a stark contrast to the earlier months of the year, where March enjoys a robust 48% chance of sunlight, and even February holds a respectable 41%. April's transition into the rainy season brings this figure down to 17%, signaling the shift. As the rainy season fully sets in by June, the chances dwindle further to 9%. This trend highlights the importance of planning for less predictable weather in May, as vibrant sunshine becomes a rarity, paving the way for the lush, tropical greenness that characterizes Costa Rica's rainy season.

Percentage of Sunny Days in May in Quepos

The chart illustrates the percentage of sunny days in Quepos throughout the year, with May highlighted. It highlights the variation in sunshine across each month and provides an overview of the typical frequency of sunny days, offering insights into how often Quepos experiences clear skies throughout the year.
JanFebMarAprMayJunJulAugSepOctNovDec38%41%48%17%10%9%11%4%7%11%14%30%
Data source: Quepos May chance of sun data, generated using information from the Copernicus Climate Change Service.

Daylight Hours in Quepos in May

In Quepos, Costa Rica, the daylight duration showcases a delightful rhythm throughout the year, particularly as May approaches. In the early months of the year—January and February—you can enjoy a consistent 11 hours of daylight. As spring rolls in March and April, the sun graces the region with an extra hour, bringing the total to 12 hours. This trend continues into May, where the vibrant scenery bask in the same ample daylight, coinciding with the lush greenery of the rainy season. From June through September, the daylight remains steady at 12 hours, providing ample time for exploration and adventure. As October arrives, the daylight begins its gradual descent back to 11 hours, continuing through November and December. This consistent yet dynamic sunlight pattern contributes to the region's enchanting charm, making it a perfect getaway destination year-round.

Average Daylight Hours in Quepos for May

The chart illustrates the variation in daylight duration in Quepos throughout the year, with May highlighted. It shows the monthly changes in daylight hours, calculated by summing the hours between sunrise and sunset.
JanFebMarAprMayJunJulAugSepOctNovDec11h 37m11h 48m12h 3m12h 19m12h 33m12h 39m12h 35m12h 24m12h 9m11h 53m11h 40m11h 33m
Data source: Quepos daylight hours, calculated by summing the hours between sunrise and sunset for each day.

May Winds in Quepos

In May, the winds in Quepos, Costa Rica remain consistently gentle, with an average speed of 1.4 m/s (3 mph), similar to the preceding months of January through April. This stable breeze creates a tranquil atmosphere, ideal for leisurely beach days and outdoor adventures. As the year progresses into the later months, a slight increase in wind speed occurs in August and November, reaching 1.5 m/s, offering just a touch more energy to the coastal landscape. Overall, the steady winds throughout the early part of the year ensure that May remains a delightful month for both visitors and locals, with refreshing air that complements the lush tropical surroundings.

Average May Wind Speed in Quepos

The chart displays monthly wind speed patterns in Quepos, with values for each month shown alongside May's data, which is highlighted for easy comparison. It illustrates the average wind speed, offering insights into how May's wind conditions compare to the rest of the year.
JanFebMarAprMayJunJulAugSepOctNovDec1.41.41.41.41.4 m/s1.41.41.51.31.41.51.3
Data source: Quepos May wind data, generated using information from the Copernicus Climate Change Service.

How May Weather in Quepos Compares to Other Months

Weather in Quepos varies notably across the year, with each month offering distinct climate conditions. This page compares May’s weather to other months in Quepos, focusing on differences in temperature, rainfall, humidity, and UV levels.

In comparing the weather between May and January, both months have a similar average temperature, around 25°C (77°F), but May tends to be warmer with maximum temperatures reaching up to 30°C (86°F). While January experiences slightly cooler temperatures, it also has considerably less precipitation, with only 191 mm (7.5 inches) over 22 days, compared to May's 820 mm (32.3 inches) over 31 days. The humidity levels are nearly the same, with May at 69% and January at 68%, making both months feel similarly humid. For more detailed information, you can check Quepos weather in January.

May and February in Quepos showcase a notable contrast in weather patterns, despite having similar average temperatures. In May, the temperatures range from a minimum of 22°C (71°F) to a maximum of 30°C (86°F), coupled with significantly higher precipitation of 820 mm (32.3 in) over 31 days, leading to a humid environment at 69%. In contrast, February features slightly cooler temperatures with a minimum of 21°C (70°F) and a maximum of 29°C (84°F), but it boasts much lower rainfall at just 102 mm (4.0 in) across 21 days, resulting in a slightly drier atmosphere with humidity at 68%. For more detailed information, you can refer to Quepos weather in February.

In comparing the weather between March and May, it is evident that both months experience warm temperatures, albeit with some differences. March has slightly higher average temperatures, ranging from a minimum of 22°C (71°F) to a maximum of 29°C (85°F), while May's temperatures range from 22°C (71°F) to a maximum of 30°C (86°F). However, March is considerably drier, with only 107 mm (4.2 in) of precipitation over 24 days, compared to May's substantial rainfall of 820 mm (32.3 in) over a longer stretch of 31 days. Humidity levels are relatively similar, with March at 66% and May at 69%. For a more detailed look at March weather conditions, check out Quepos weather in March.

In comparing the weather between April and May, both months exhibit warm temperatures, with May showing slightly higher humidity at 69% compared to April's 67%. April features a minimum temperature of 22°C (72°F) and an average of 26°C (78°F), while May sees similar minimum levels with an average of 25°C (78°F). However, May experiences significantly higher precipitation, totaling 820 mm (32.3 in) over 31 days, whereas April has just 320 mm (12.6 in) over 29 days. This increase in rainfall in May could make it feel more humid despite similar temperature averages. For more details on April weather in this region, visit Quepos weather in April.

In comparing the weather between May and June, both months share similar temperature ranges, with a minimum of 22°C (72°F) and an average of 25°C (78°F), while June has a slightly cooler maximum temperature of 29°C (84°F) compared to May's 30°C (86°F). However, June experiences a reduction in total precipitation, with 696 mm (27.4 in) compared to May's substantial 820 mm (32.3 in), despite having nearly the same number of rainy days. Additionally, June's humidity rises to 84%, higher than May’s 69%, reflecting a more tropical atmosphere. For more detailed weather insights, you can check out Quepos weather in June.

In May, temperatures in Quepos range from a minimum of 22°C (71°F) to a maximum of 30°C (86°F), with an average of 25°C (78°F). This month experiences significant rainfall, totaling 820 mm (32.3 in) over 31 days, coupled with a humidity level of 69%. In comparison, July maintains similar temperature ranges, with a minimum of 22°C (73°F), an average of 25°C (77°F), and a maximum of 29°C (84°F). Precipitation slightly increases to 825 mm (32.5 in) over the same number of days, and humidity rises to 85%. This comparison highlights that while both months share a similar temperature profile, July tends to be more humid and slightly wetter. For more details, check out Quepos weather in July.

In comparing the weather between May and August, both months experience a warm climate with similar minimum temperatures averaging around 22°C (72°F). However, May tends to be slightly warmer at its maximum temperature, reaching up to 30°C (86°F), compared to August's maximum of 28°C (83°F). Precipitation is more pronounced in August, with a total of 914 mm (36.0 in) compared to May's 820 mm (32.3 in), yielding a higher humidity level of 82% in August versus 69% in May. For more details on August weather in the region, you can visit Quepos weather in August.

May and September share similar minimum and average temperatures, both ranging from 22°C (71°F) to 25°C (78°F). However, September experiences slightly cooler maximum temperatures, peaking at 28°C (83°F), contrasted with May's high of 30°C (86°F). In terms of precipitation, September sees a notable increase, with 931 mm (36.7 in) of rainfall compared to May's 820 mm (32.3 in), and the humidity in September is higher at 81%, compared to 69% in May. For more detailed insights on September weather in Quepos, you can visit Quepos weather in September.

In comparing May and October weather, both months feature similar minimum and average temperatures, with May slightly warmer at a maximum of 30°C (86°F) compared to October's 28°C (83°F). However, October experiences higher precipitation, with 967 mm (38.1 in) of rain compared to May's 820 mm (32.3 in), and the humidity also rises, peaking at 80% in October versus 69% in May. This reflects a transition towards the latter part of the wet season, making October generally feel wetter and more humid. For more details, you can check Quepos weather in October.

In comparing the weather of May and November, both months exhibit warm temperatures, with an average of 25°C (77°F). However, May tends to be slightly warmer, reaching a maximum of 30°C (86°F) compared to November's 28°C (83°F). Precipitation levels are similar, with May receiving 820 mm (32.3 in) over 31 days and November experiencing just slightly more at 822 mm (32.4 in) over 30 days. Notably, November has a higher humidity level at 80%, compared to May’s 69%, making it feel more humid. For a detailed look at November weather specifically, you can visit Quepos weather in November.

In May, the weather is characterized by higher temperatures, with a minimum of 22°C (71°F) and a maximum of 30°C (86°F), while December sees slightly cooler temperatures, ranging from 21°C (71°F) to a maximum of 28°C (82°F). Both months experience a similar average temperature of around 25°C (77°F), but May is notably wetter, receiving 820 mm (32.3 in) of rainfall compared to December's 456 mm (18.0 in). Additionally, May has a higher frequency of rainy days, with precipitation occurring on 31 days, whereas December has rainfall on 30 days. Humidity remains relatively consistent, averaging 69% in May and increasing slightly to 72% in December. For more detailed weather information, check out Quepos weather in December.

Compare Quepos's Climate with Cities Worldwide

Conclusion: What to Expect From May Weather in Quepos

As May unfolds in Quepos, the region experiences a noticeable transition with increased humidity and frequent rainfall, making it distinct from the drier months that precede it. The lush landscapes come alive, drawing visitors to witness the vibrant greenery. While temperatures remain warm, the almost daily showers can be refreshing and invigorating, adding a unique charm to the tropical atmosphere. For those considering a visit during this month, be prepared for a blend of sunshine and rain that nurtures the area's stunning biodiversity. To learn more about the weather patterns throughout the year, check out Quepos Climate.