May Weather in Liberia, Costa Rica

Last updated: August 21, 2025

Experience the vibrant weather of Liberia, Costa Rica in May, where temperatures peak at a sizzling 36°C (97°F) and average around a comfortable 26°C (80°F), dipping to a mild 21°C (69°F) at night. The month brings a significant 323 mm (12.7 in) of rainfall, occurring over 20 days, underscoring the transition into the lush green landscape characteristic of the rainy season. With an average humidity of 63%, visitors can expect a tropical atmosphere that enhances the region's natural beauty, making it an ideal time for outdoor adventures amidst the captivating scenery.

May Temperature in Liberia

In May, Liberia, Costa Rica, experiences a comfortable climate that nicely bridges the transition into the warmer months. The minimum temperature rises to 21°C (69°F), signaling the arrival of milder evenings, while daytime brings average highs of 36°C (97°F). With an average temperature of 26°C (80°F), May remains a sweet spot for travelers seeking warmth without the peaks of summer’s heat. Notably, this month continues the upward trend from the cooler January temperatures, showcasing a steady increase leading up to the and setting the stage for the humid conditions of June. Overall, May's blend of warmth and tropical charm makes it a delightful time to explore the natural beauty of Costa Rica.

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

The chart illustrates May temperature patterns in Liberia, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Liberia, 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).
JanFebMarAprMayJunJulAugSepOctNovDec777879817978787877767777
Data source: Temperature data for Liberia 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 Liberia

In May, Liberia, Costa Rica, experiences a dramatic shift in weather, marking the start of the rainy season with a staggering 323 mm (12.7 in) of precipitation over the month. This significant rainfall occurs over 20 days, indicating that residents can expect consistent showers, which are crucial for the region's lush landscapes. The contrast from the previous months is striking, as April only recorded 37 mm (1.4 in) of rain over 6 days. May's abundant precipitation not only revitalizes the local flora but also sets the stage for one of the wettest months of the year, with similar patterns observed in June, making it a vibrant and lush time for nature lovers and adventurers alike.

May Precipitation Trends in Liberia

The chart displays monthly precipitation patterns in Liberia, 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 Liberia, May typically receives around {2} mm ({3} inches) of precipitation spread over approximately {4} days.
JanFebMarAprMayJunJulAugSepOctNovDec10223732331511425031941815317
Data source: Precipitation data for May generated using information from the Copernicus Climate Change Service.
Choose your preferred precipitation unit

May Humidity in Liberia

In Liberia, Costa Rica, the month of May continues the trend of moderate humidity seen earlier in the year, sitting at a comfortable 63%. This level is consistent with the lower humidity levels recorded from January to April, which hover around the same mark. However, as the region transitions into the warmer months, a noticeable shift begins; humidity levels rise significantly in June and peak during the warmest summer months of July and August. This gradual increase signals the start of a more tropical climate, which provides a lush environment but also hints at the upcoming rainy season, making May an ideal time to enjoy the vibrant landscapes before the humidity escalates.

May Average Humidity in Liberia

This chart illustrates the average monthly humidity levels in Liberia, 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 Liberia is approximately {2}%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec66%64%63%63%63%74%85%82%80%79%79%70%
Data source: Humidity data for May generated using information from the Copernicus Climate Change Service.

May UV Index in Liberia

In May, Liberia, Costa Rica, continues to experience an extreme UV Index of 14, consistent with the preceding months of April and March. This indicates a persistent risk of harm from unprotected sun exposure, with a dangerously short burn time of just 10 minutes. The trend of high UV levels, peaking at 14 from March to June, underscores the importance of diligent sun safety practices during this season. As temperatures rise, it's crucial to stay informed and protect your skin while enjoying the vibrant outdoor lifestyle that Liberia offers. For more detailed information on UV levels throughout the year, visit Liberia UV Index.

Maximum UV Index Levels in Liberia for May

The chart shows the monthly maximum UV Index (UVI) for Liberia 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 Liberia typically reaches {2}, which falls under the {3} exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec111314141414141313131110
Data source: Liberia 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 Liberia

In Liberia, Costa Rica, the sun shines brightly throughout the year, with May offering a modest yet delightful 283 hours of sunshine. While it's a dip from the sun-drenched 334 hours of March, May's sunshine is part of a broader trend that fluctuates seasonally. Following the peak of March and the consistent glow of April, May transitions smoothly into early summer, where the sun re-emerges with vigor in June, offering 288 hours. The patterns suggest that while May may not deliver the highest sunshine, it still plays a vital role in shaping the region’s vibrant climate, leading into the sunnier months of July and August where hours surge again. This rhythm of light fosters a lush environment, making Liberia a paradise for nature lovers and adventure seekers alike.

Monthly Sunshine Duration in Liberia: May Highlighted

The May sunshine duration represents the total number of hours Liberia 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.
JanFebMarAprMayJunJulAugSepOctNovDec262h299h334h326h283h288h317h287h272h252h299h322h
Data source: Liberia May Sunshine duration data generated using information from the Copernicus Climate Change Service.

Chance of Sun in Liberia During May

As May approaches in Liberia, Costa Rica, the likelihood of sunny weather dips to 28%, reflecting a notable decline from the preceding months. This month marks a transition into the rainy season, following the 32% chance of sunshine seen in April. The trend showcases a significant change from the sun-kissed days of earlier months, such as February which boasted a sunny 70% likelihood. As the rhythms of nature shift, travelers should prepare for the increased chance of rain, making May a time to embrace the lush beauty rather than guaranteed sunshine.

Percentage of Sunny Days in May in Liberia

The chart illustrates the percentage of sunny days in Liberia 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 Liberia experiences clear skies throughout the year.
JanFebMarAprMayJunJulAugSepOctNovDec57%70%60%32%28%19%22%8%14%20%39%63%
Data source: Liberia May chance of sun data, generated using information from the Copernicus Climate Change Service.

Daylight Hours in Liberia in May

In Liberia, Costa Rica, the daylight duration showcases a fascinating trend throughout the year. From January to April, the days gradually lengthen, peaking at 12 hours of daylight in March and continuing through June. This consistent daylight duration reflects the region's stable equatorial position, where daylight hours remain fairly uniform. As July through September rolls in, the daylight remains at a steady 12 hours, providing ample sunlight for activities and exploration. However, as October approaches, there's a gentle decline, ushering in the cooler months of November and December, where daylight shortens back to 11 hours. This rhythmic pattern of daylight offers both locals and visitors a unique opportunity to indulge in the region's natural beauty across the seasons.

Average Daylight Hours in Liberia for May

The chart illustrates the variation in daylight duration in Liberia throughout the year, with May highlighted. It shows the monthly changes in daylight hours, calculated by summing the hours between sunrise and sunset.
JanFebMarAprMayJunJulAugSepOctNovDec11h 33m11h 46m12h 3m12h 21m12h 36m12h 43m12h 39m12h 26m12h 9m11h 52m11h 37m11h 30m
Data source: Liberia daylight hours, calculated by summing the hours between sunrise and sunset for each day.

May Winds in Liberia

May in Liberia, Costa Rica, sees a gentle breeze with an average wind speed of 2.7 m/s (6 mph), marking a slight decline from the more robust winds experienced in the preceding months. As the dry season transitions into the wet, the winds typically become calmer, creating a serene atmosphere that invites relaxation amidst the lush surroundings. Notably, May's wind speed is among the lowest in the year, following a notable peak in March. As the region prepares for the onset of the rainy season, this subtle shift sets the stage for the lush, vibrant landscapes that define Costa Rica, making May a tranquil yet transitional month. Such trends reflect not only the climatic shifts characteristic of the region but also the natural rhythm of life that flourishes in this tropical paradise.

Average May Wind Speed in Liberia

The chart displays monthly wind speed patterns in Liberia, 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.
JanFebMarAprMayJunJulAugSepOctNovDec3.94.04.42.82.7 m/s1.72.41.51.41.32.93.5
Data source: Liberia May wind data, generated using information from the Copernicus Climate Change Service.

How May Weather in Liberia Compares to Other Months

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

In May, the weather in Liberia is characterized by warmer temperatures, with a minimum of 21°C (69°F) and an average of 26°C (80°F), peaking at 36°C (97°F). This month also sees significant rainfall, with about 323 mm (12.7 in) of precipitation spread over 20 days, coupled with a humidity level of 63%. In contrast, January offers a milder climate, with temperatures ranging from a minimum of 16°C (60°F) to a maximum of 33°C (91°F) and an average of 25°C (77°F). The dry season leads to much less rainfall, totaling only 9 mm (0.4 in) over just 2 days, while humidity is slightly higher at 66%. For a detailed comparison of January weather in Liberia, you can visit Liberia weather in January.

May and February exhibit notable differences in weather patterns. In May, temperatures range from a minimum of 21°C (69°F) to a maximum of 36°C (97°F), with an average temperature of 26°C (80°F). This month experiences significant rainfall, totaling 323 mm (12.7 in) over 20 days, and humidity levels are around 63%. In contrast, February showcases slightly cooler temperatures, with a minimum of 18°C (64°F) and a maximum of 34°C (93°F), maintaining the same average of 26°C (78°F). Unlike May, February is characterized by very little precipitation, receiving only 2 mm (0.1 in) with no rainy days, and a slightly higher humidity of 64%. For a closer look at the climate specifics, you can refer to Liberia weather in February.

When comparing the weather in March and May, it's clear that May tends to be much wetter and more humid. In March, temperatures start at a minimum of 19°C and reach a maximum of 35°C, with an average of 26°C. The month boasts very little rainfall, with only 2 mm recorded over no days of precipitation. In stark contrast, May features higher temperatures, ranging from a minimum of 21°C to a maximum of 36°C, while maintaining the same average of 26°C. However, it sees significant rainfall, with 323 mm spread over 20 days, contributing to a humid atmosphere. The humidity remains consistent at 63% for both months. For more detailed insights into March weather, you can visit Liberia weather in March.

In comparing April and May weather, both months exhibit warm temperatures, though May tends to be slightly more humid. April features a minimum temperature of 20°C (68°F) and an average of 27°C (81°F), peaking at 37°C (98°F). In contrast, May sees a slightly higher minimum of 21°C (69°F) and averages around 26°C (80°F), with a maximum of 36°C (97°F). However, the most notable difference lies in the precipitation: April experiences only 37 mm (1.4 in) over 6 days, while May is significantly wetter, with 323 mm (12.7 in) of rainfall over 20 days. Both months maintain a humidity level of 63%. For more details, you can check Liberia weather in April.

When comparing the weather of May and June, both months showcase warm temperatures, but with slight differences. May features a minimum temperature of 21°C (69°F) and a maximum of 36°C (97°F), culminating in an average of 26°C (80°F). June, on the other hand, maintains the same minimum of 21°C (70°F) but has a cooler maximum of 33°C (92°F), resulting in a slightly lower average of 26°C (78°F). In terms of precipitation, May experiences 323 mm (12.7 in) across 20 days, while June sees a slightly lower 315 mm (12.4 in) over 25 days, indicating more frequent rain during June. Additionally, June's humidity increases to 74%, compared to May's 63%. For more insights into June weather, you can visit Liberia weather in June.

In comparing the weather between May and July, it's evident that both months share a similar temperature range with minimums around 21°C (69°F), and average temperatures between 26°C (78-80°F). However, May tends to be warmer, reaching a maximum of 36°C (97°F) compared to July's peak of 32°C (90°F). Precipitation is significantly higher in May, accumulating 323 mm (12.7 in) over 20 days, while July sees much less rain, with only 114 mm (4.5 in) over 16 days. Additionally, July experiences increased humidity at 85%, compared to May's 63%. For more details, check out the Liberia weather in July.

May and August in Liberia exhibit distinct weather characteristics. May typically sees warmer temperatures, with an average of 26°C (80°F) and maximums reaching up to 36°C (97°F), while August features slightly cooler weather, with an average temperature of 25°C (78°F) and a maximum of 33°C (92°F). Precipitation is more pronounced in May, totaling 323 mm (12.7 in) over 20 days, compared to August's 250 mm (9.8 in) over 21 days. Humidity also varies, with August experiencing higher humidity levels at 82%, whereas May has a more moderate humidity of 63%. For more detailed information about the weather in August, visit Liberia weather in August.

May and September in Liberia present distinct weather patterns that reflect the transition between seasons. In May, temperatures range from a minimum of 21°C (69°F) to a maximum of 36°C (97°F), with an average temperature of 26°C (80°F). The month is characterized by heavy rainfall, with a total precipitation of 323 mm (12.7 in) occurring over 20 days, coupled with a moderate humidity level of 63%.

Conversely, September offers slightly cooler temperatures, with a minimum of 21°C (69°F) and a maximum of 32°C (90°F), resulting in an average of 25°C (77°F). While the precipitation is slightly lower at 319 mm (12.6 in) over 25 days, the humidity increases significantly to 80%. This shift towards higher humidity and rainfall makes September feel more oppressive despite the lower maximum temperatures. For more detailed information, you can check Liberia weather in September.

May and October present distinctly different weather patterns. In May, average temperatures range from a minimum of 21°C (69°F) to a maximum of 36°C (97°F), with significant humidity levels at 63%. The month sees about 323 mm (12.7 in) of rainfall over approximately 20 days. In contrast, October features slightly cooler conditions, with average temperatures from 20°C (69°F) to 31°C (89°F) and increased humidity at 79%. Rainfall in October is higher, totaling around 418 mm (16.5 in) over 27 days. For more specific details on October weather, you can visit Liberia weather in October.

May and November present contrasting weather experiences. In May, temperatures range from a minimum of 21°C (69°F) to a maximum of 36°C (97°F), with an average of 26°C (80°F). The month is significantly wetter, featuring 323 mm (12.7 in) of precipitation over 20 days, and humidity levels hover around 63%. In contrast, November's climate is milder, with temperatures varying from a minimum of 19°C (66°F) to a maximum of 31°C (89°F) and an average of 25°C (77°F). The month sees considerably less rain, with 153 mm (6.0 in) of precipitation over just 12 days, and higher humidity at 79%. For more detailed insights, you can check Liberia weather in November.

In comparing the weather between May and December, May tends to be significantly warmer, with average temperatures reaching around 26°C (80°F) and extremes soaring up to 36°C (97°F). Additionally, May is much wetter, experiencing a substantial 323 mm (12.7 in) of rainfall over approximately 20 days. In contrast, December brings cooler temperatures, with an average of 25°C (77°F) and maximums topping out at 31°C (88°F). Furthermore, December sees much less rainfall at only 17 mm (0.7 in) over just 2 days, although humidity remains relatively high at 70%. For more detailed insights on December's climate, check out Liberia weather in December.

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Conclusion: What to Expect From May Weather in Liberia

In May, Liberia experiences a noticeable shift in weather patterns compared to other months, characterized by a warmer climate marked by maximum temperatures reaching up to 36°C (97°F) and a humid average of 63%. This month also sees an increase in rainfall, with 20 days receiving 323 mm (12.7 in) of precipitation, making it one of the wetter periods of the year. Though the heat may be intense, the lush green surroundings fostered by the frequent rains create a vibrant landscape that is unique to this time, setting May apart as a transitional month full of life and beauty. For a deeper understanding of what to expect, check out the extensive details at Liberia Climate.