August Weather in Liberia, Costa Rica

Last updated: August 21, 2025

Experience the tropical allure of Liberia, Costa Rica in August, where temperatures soar to a maximum of 33°C (92°F), creating a warm and inviting atmosphere. With an average temperature of 25°C (78°F) and a comfortable minimum of 20°C (69°F), the climate is perfect for outdoor adventures. However, be prepared for the tropical rains, as the region receives an average of 250 mm (9.8 in) of precipitation over 21 days, resulting in lush landscapes. The high humidity at 82% adds to the tropical experience, making this month both vibrant and dynamic. Embrace the natural beauty and cultural richness that Liberia has to offer during this captivating time of year.

August Temperature in Liberia

In August, Liberia, Costa Rica experiences a pleasant climate with temperatures that reflect its tropical allure. The month welcomes a minimum temperature of 20°C (69°F), while the average hovers around a comfortable 25°C (78°F). With daily highs peaking at 33°C (92°F), August remains warm but not excessively hot, presenting a perfect opportunity for outdoor adventures. As the country transitions to the rainy season, humidity levels start to rise, yet outdoor enthusiasts can still enjoy the lush landscapes and vibrant wildlife. Overall, the temperatures in August highlight a consistent tropical trend, maintaining warm days balanced by mild nights, making it an attractive time to visit.

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

The chart illustrates August 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, August 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.

August Precipitation in Liberia

In August, Liberia, Costa Rica experiences a significant uptick in precipitation, totaling 250 mm (9.8 in), which marks a continuation of the rainy season's intensity. This month sees an average of 21 rainy days, a slight decline from July's 16 days, yet well within the peak months of the year. The rainfall pattern reflects a steady trend from the heavier downpours in May (323 mm) and June (315 mm), signaling the tail end of the wettest part of the season. As the month progresses, the persistent rain also sets the stage for September's even larger totals, reinforcing the notion that August serves as a pivotal transitional phase in Liberia's dynamic weather pattern.

August Precipitation Trends in Liberia

The chart displays monthly precipitation patterns in Liberia, with values for each month alongside August’s data, which is highlighted for easy comparison. It shows the amount of precipitation, providing insights into how August’s conditions compare to those of other months. In Liberia, August typically receives around {2} mm ({3} inches) of precipitation spread over approximately {4} days.
JanFebMarAprMayJunJulAugSepOctNovDec10223732331511425031941815317
Data source: Precipitation data for August generated using information from the Copernicus Climate Change Service.
Choose your preferred precipitation unit

August Humidity in Liberia

In August, Liberia, Costa Rica, experiences a notable shift in humidity, with levels reaching 82%. This marks a slight decline from the peak humidity of 85% observed in July, yet it remains significantly higher than the levels recorded earlier in the year, showing a broader trend of increased humidity during the rainy season. From June onwards, humidity levels have consistently remained above 74%, indicating that as the year progresses toward the wet months, the air becomes increasingly muggy. The pattern suggests a transition from drier conditions in the beginning months, such as January's 66% and February's 64%, to the sticky, tropical atmosphere characteristic of the region's late rainy season. As September approaches, humidity will ease slightly to 80%, but August stands as a quintessential representation of Liberia's lush, verdant climate in full bloom.

August Average Humidity in Liberia

This chart illustrates the average monthly humidity levels in Liberia, with August’s data highlighted for easy comparison. It shows the fluctuation in humidity throughout the year, helping you understand how conditions vary by season. In August, 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 August generated using information from the Copernicus Climate Change Service.

August UV Index in Liberia

August in Liberia, Costa Rica, showcases a UV Index of 13, maintaining the extreme exposure category that has characterized the first half of the year. This slight dip from the peak 14 recorded in earlier months still calls for caution, as the burn time remains a swift 10 minutes. Notably, the UV Index in Liberia consistently hovers in the extreme range from January through August, emphasizing the importance of sun protection year-round. As summer transitions, the trend appears stable, with only minor fluctuations, underscoring the need for vigilance in sun safety. To better understand the UV Index patterns and prepare for your adventures, check out Liberia UV Index.

Maximum UV Index Levels in Liberia for August

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

August Sunshine in Liberia

In August, Liberia, Costa Rica basks in a pleasant 287 hours of sunshine, contributing to the region's overall appeal as a tropical paradise. The month showcases a slight dip from the sun-drenched days of July, which boasted an impressive 317 hours. This trend of fluctuating sunshine continues through the latter part of the year, with a gradual decline leading into October's 252 hours. However, the year consistently presents plentiful sunlight, with March standing out as the sunniest month at 334 hours. Overall, Liberia's climate offers a delightful balance of sunshine and warmth, drawing in visitors eager to enjoy the natural beauty throughout the year.

Monthly Sunshine Duration in Liberia: August Highlighted

The August sunshine duration represents the total number of hours Liberia experiences direct sunlight during the month of August, excluding cloudy or obstructed periods. This chart compares the sunshine duration of August with the other months of the year.
JanFebMarAprMayJunJulAugSepOctNovDec262h299h334h326h283h288h317h287h272h252h299h322h
Data source: Liberia August Sunshine duration data generated using information from the Copernicus Climate Change Service.

Chance of Sun in Liberia During August

In Liberia, Costa Rica, the likelihood of sunny weather takes a notable dip in August, with only an 8% chance of sunshine—making it one of the cloudiest months of the year. As the dry season gives way to the rainy season, this trend continues from July's already low 22% chance, reflecting a consistent pattern of diminishing sun as summer transitions. Following August, the outlook remains bleak with September and October presenting even lower probabilities of clear skies. As the year progresses, only a few months, notably February at 70%, showcase a relatively brighter forecast, highlighting the stark contrast between the sunniest and cloudiest periods in the region.

Percentage of Sunny Days in August in Liberia

The chart illustrates the percentage of sunny days in Liberia throughout the year, with August 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 August chance of sun data, generated using information from the Copernicus Climate Change Service.

Daylight Hours in Liberia in August

In August, Liberia, Costa Rica, enjoys a pleasant 12 hours of daylight, continuing the trend established since March. This consistent daylight duration reflects the region's stable equatorial climate, where significant variations in day length are less pronounced compared to temperate zones. As the year transitions, August stands out as part of a stable summer period, providing ample sunlight for outdoor adventures and exploration. Following this month, daylight begins to wane slightly as the country moves into the latter part of the year, but for now, residents and visitors can savor the bright, sun-filled days that characterize this vibrant region.

Average Daylight Hours in Liberia for August

The chart illustrates the variation in daylight duration in Liberia throughout the year, with August 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.

August Winds in Liberia

As August rolls into Liberia, Costa Rica, the winds take a gentle pause, with an average speed of just 1.5 m/s (3 mph), marking one of the calmest months of the year. This significant dip from the bustling breezes of March, which boasts an average of 4.4 m/s (10 mph), sets the stage for a tranquil atmosphere. As the rainy season progresses, wind speeds gradually decline, with August and September recording the lowest values of the year. However, as the lush landscapes thrive under the summer rains, the revitalizing air lingers softly, creating idyllic conditions perfect for unwinding in nature’s embrace. Local flora flourishes in this serene environment, reminding us that even in stillness, life is blooming.

Average August Wind Speed in Liberia

The chart displays monthly wind speed patterns in Liberia, with values for each month shown alongside August's data, which is highlighted for easy comparison. It illustrates the average wind speed, offering insights into how August's wind conditions compare to the rest of the year.
JanFebMarAprMayJunJulAugSepOctNovDec3.94.04.42.82.71.72.41.5 m/s1.41.32.93.5
Data source: Liberia August wind data, generated using information from the Copernicus Climate Change Service.

How August 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 August’s weather to other months in Liberia, focusing on differences in temperature, rainfall, humidity, and UV levels.

In August, the weather is warmer and more humid than in January, with temperatures ranging from a minimum of 20°C (69°F) to a maximum of 33°C (92°F) and an average of 25°C (78°F). This month sees significant rainfall, with 250 mm (9.8 in) of precipitation spread over 21 days, resulting in a high humidity level of 82%. In contrast, January offers slightly cooler temperatures, with a minimum of 16°C (60°F), an average of 25°C (77°F), and a maximum of 33°C (91°F). Notably, January experiences far less rainfall, accumulating only 9 mm (0.4 in) over just 2 days and maintaining a lower humidity level of 66%. For more detailed information, you can check Liberia weather in January.

In comparison to February, August experiences warmer temperatures, with daily averages hovering around 25°C (78°F) versus February's slightly higher average of 26°C (78°F). However, August is significantly wetter, receiving about 250 mm (9.8 in) of precipitation spread over 21 days, while February boasts a dry climate with virtually no rain and only 2 mm (0.1 in) recorded. Additionally, humidity levels are notably higher in August at 82%, compared to a more comfortable 64% in February. For more insights into the climate during this month, check out Liberia weather in February.

When comparing the weather in August and March, notable differences emerge. August experiences a warmer and more humid climate, with average temperatures around 25°C (78°F) and maximums reaching up to 33°C (92°F). Additionally, this month sees significant rainfall, averaging 250 mm (9.8 in) across 21 days, resulting in a high humidity level of 82%.

In contrast, March boasts slightly cooler temperatures with an average of 26°C (80°F) and maximums hitting 35°C (95°F). However, it is notably drier, with a mere 2 mm (0.1 in) of precipitation and no rainy days, contributing to a lower humidity level of 63%. For more detailed information on the weather in March, you can check Liberia weather in March.

When comparing the weather in August and April, a few notable differences emerge. April typically experiences warmer temperatures, with an average high of 37°C (98°F), compared to August's maximum of 33°C (92°F). However, August sees significantly more precipitation, with 250 mm (9.8 in) falling over 21 days, whereas April only receives 37 mm (1.4 in) within 6 days. Additionally, humidity levels are higher in August at 82%, compared to April's more moderate 63%. For more detailed information, you can check Liberia weather in April.

The weather in August and May presents some notable differences, particularly in temperature and precipitation patterns. In August, temperatures range from a minimum of 20°C to a maximum of 33°C, with an average of 25°C, while May features slightly higher temperatures, with a minimum of 21°C and a peak of 36°C, resulting in an average of 26°C. Additionally, May experiences more significant precipitation at 323 mm across 20 days compared to August's 250 mm over 21 days. Notably, the humidity is much higher in August at 82%, compared to May's 63%, making August feel more muggy. For a more in-depth look at May's weather, you can visit Liberia weather in May.

When comparing the weather in August and June, both months share similar maximum temperatures, reaching up to 33°C (92°F), but August generally has slightly cooler minimum temperatures averaging 20°C (69°F) compared to June's 21°C (70°F). The overall average temperature for both months is also comparable, with August at 25°C (78°F) and June at 26°C (78°F). However, June experiences more rainfall, accumulating 315 mm (12.4 in) over 25 days, compared to August's 250 mm (9.8 in) over 21 days. This results in June having higher humidity at 74%, while August's humidity is elevated at 82%. For more detailed insights about the weather in June, you can visit Liberia weather in June.

In comparing the weather of August and July, we see a notable difference in precipitation and humidity levels. August experiences a lower minimum temperature of 20°C (69°F) and an average temperature similar to July at 25°C (78°F), but it has a higher maximum temperature of 33°C (92°F). In contrast, July's temperatures range from a minimum of 21°C (70°F) to a maximum of 32°C (90°F). Precipitation in August is significantly higher at 250 mm (9.8 in) over 21 days compared to July's 114 mm (4.5 in) across 16 days. Humidity also remains slightly lower in August at 82%, compared to July's 85%. For a detailed look at July's weather, you can refer to Liberia weather in July.

In comparing the weather between August and September, we can see some notable differences. August experiences slightly lower temperatures, with a minimum of 20°C and a maximum of 33°C, while September maintains a minimum of 21°C and a slightly reduced maximum of 32°C. Both months have similar average temperatures of around 25°C, but September receives significantly more rainfall, totaling 319 mm over 25 days compared to August's 250 mm over 21 days. Additionally, humidity remains high in both months, hovering around 82% in August and easing slightly to 80% in September. For more detailed information, you can visit Liberia weather in September.

In August, the weather showcases a warm and humid climate, with temperatures ranging from a minimum of 20°C (69°F) to a maximum of 33°C (92°F) and an average of 25°C (78°F). The month experiences considerable rainfall, totaling 250 mm (9.8 in) over 21 days, contributing to a high humidity of 82%.

In comparison, October maintains a similar temperature range, with minimums of 20°C (69°F) and maximums of 31°C (89°F), averaging slightly lower at 25°C (77°F). However, October is notably wetter, with a significant precipitation of 418 mm (16.5 in) spread over 27 days and slightly lower humidity of 79%. For a more detailed look at October weather, you can check Liberia weather in October.

August and November both feature warm temperatures in Liberia, with August having a minimum of 20°C (69°F) and a maximum of 33°C (92°F), while November's range is slightly cooler with a minimum of 19°C (66°F) and a maximum of 31°C (89°F). The average temperature remains consistent between the two months at around 25°C (77°F). However, August tends to be wetter, with a total precipitation of 250 mm (9.8 in) over 21 days, compared to November's 153 mm (6.0 in) over just 12 days. Humidity levels are also marginally higher in August at 82%, compared to November's 79%. For more detailed information on weather conditions, you can check Liberia weather in November.

In August, the weather is typically warmer and more humid, with average temperatures around 25°C (78°F) and maximum highs reaching 33°C (92°F). The month experiences significant rainfall, averaging 250 mm (9.8 in) over 21 days, resulting in a humidity level of 82%. In contrast, December offers a slightly cooler climate, with an average temperature also at 25°C (77°F), but maximum temperatures are lower at 31°C (88°F). Precipitation drops dramatically to just 17 mm (0.7 in) over only 2 days, and humidity decreases to 70%. For more details, you can check Liberia weather in December.

Compare Liberia's Climate with Cities Worldwide

Conclusion: What to Expect From August Weather in Liberia

August in Liberia marks a shift in the climate, characterized by higher humidity and increased precipitation, making it distinct from the drier months that precede it. With an average temperature of 25°C, visitors can expect warm days and cooler nights, but the 82% humidity can make the heat feel more intense. Rainfall is frequent, with about 21 days of precipitation totaling 250 mm, contributing to the lush, vibrant scenery that this time of year brings. For those planning a trip, understanding the nuances of Liberia’s August weather is essential for making the most of your experience. To learn more about the climate in this beautiful region, visit Liberia Climate.