April Weather in Cartago, Costa Rica

Last updated: August 21, 2025

In April, Cartago, Costa Rica experiences a warm and vibrant climate, characterized by a maximum temperature of 26°C (78°F) and a comfortable average of 18°C (65°F). Nighttime brings cooler temperatures, with a minimum of 13°C (55°F), making evenings pleasantly refreshing. Rainfall is a notable feature this month, with precipitation totaling 155 mm (6.1 in) across 23 days, contributing to the region's lush, green landscapes. Humidity levels hover around 67%, creating a humid yet invigorating atmosphere that showcases the beauty of the season.

April Temperature in Cartago

In April, Cartago, Costa Rica, experiences a delightful rise in temperatures as the dry season begins to transition into the wetter months. The minimum temperature nudges up slightly to 13°C (55°F), while the average remains comfortable at 18°C (65°F). The warmest part of the day reaches a pleasant max of 26°C (78°F), perfect for enjoying the vibrant local culture and stunning scenery. This gradual increase in warmth from earlier months signals a shift, inviting visitors to savor the comfortable climate before the rains arrive. Overall, April offers a sweet spot of warmth and mildness, making it an excellent time to explore the picturesque surroundings of Cartago.

April Weather in Cartago: Daily Temperature Highs, Lows, and Averages

The chart illustrates April temperature patterns in Cartago, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Cartago, April 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).
JanFebMarAprMayJunJulAugSepOctNovDec636464656565656564646463
Data source: Temperature data for Cartago 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.

April Precipitation in Cartago

April marks a significant transition in Cartago, Costa Rica, as precipitation levels surge dramatically to 155 mm (6.1 in), compared to the lighter rainfall of previous months. With 23 rainy days throughout the month, April sets the stage for the region's wet season, characterized by a stark increase in both the frequency and volume of rain. This pattern not only highlights April as a key month for replenishing local ecosystems but also hints at the upcoming deluge in May, where the rainfall skyrockets to an average of 532 mm (21.0 in) over 29 days. The shift from the relatively dry early months into this wet spurt underscores the dynamic climate of Cartago, transforming the landscape as it prepares for the deepening rains of late spring and summer.

April Precipitation Trends in Cartago

The chart displays monthly precipitation patterns in Cartago, with values for each month alongside April’s data, which is highlighted for easy comparison. It shows the amount of precipitation, providing insights into how April’s conditions compare to those of other months. In Cartago, April typically receives around {2} mm ({3} inches) of precipitation spread over approximately {4} days.
JanFebMarAprMayJunJulAugSepOctNovDec35192815553239931540350860127278
Data source: Precipitation data for April generated using information from the Copernicus Climate Change Service.
Choose your preferred precipitation unit

April Humidity in Cartago

In April, Cartago, Costa Rica, experiences a humidity level of 67%, slightly lower than the previous months. This figure illustrates a gradual decline from the higher humidity of 68% in January and February and a slight decrease from 66% in March. As the region transitions into the lush green of the rainy season, the humidity begins to rise again, peaking in the following months. May marks the start of this upward trend, reaching 69%, while June and July see humidity soar to 84% and 85%, respectively. This pattern indicates that while April maintains comfortable levels, it serves as a prelude to the more humid conditions that define the latter half of the year.

April Average Humidity in Cartago

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

April UV Index in Cartago

In April, the UV Index in Cartago, Costa Rica reaches a peak of 16, solidifying its place in the extreme exposure category where a mere 10 minutes can lead to sunburn. This trend continues from the preceding months, with a steady climb from 12 in January to an impressive 15 in March. The intense UV levels underscore the importance of sun protection this time of year, with similar values carrying through into May. As the sun’s intensity escalates, residents and visitors alike are reminded to stay vigilant about sun safety. For more information on sun exposure and UV levels, check out Cartago UV Index.

Maximum UV Index Levels in Cartago for April

The chart shows the monthly maximum UV Index (UVI) for Cartago in April, 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 April, the maximum UV index in Cartago typically reaches {2}, which falls under the {3} exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec121415161514151414141211
Data source: Cartago April 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.

April Sunshine in Cartago

April in Cartago, Costa Rica, enjoys a delightful average of 295 hours of sunshine, making it a splendid month for outdoor activities. Following the peak sunshine of March with 331 hours, April still holds onto a significant amount of light, providing the perfect backdrop for the blooming landscapes. As the dry season begins to dwindle into May, sunshine hours sharply fall to 223, making April a cherished time to soak in the vibrant environment before the seasonal changes roll in. This trend highlights the importance of April as a bridge between the sun-drenched days of early spring and the emerging rainy season.

Monthly Sunshine Duration in Cartago: April Highlighted

The April sunshine duration represents the total number of hours Cartago experiences direct sunlight during the month of April, excluding cloudy or obstructed periods. This chart compares the sunshine duration of April with the other months of the year.
JanFebMarAprMayJunJulAugSepOctNovDec253h298h331h295h223h226h223h222h219h206h239h300h
Data source: Cartago April Sunshine duration data generated using information from the Copernicus Climate Change Service.

Chance of Sun in Cartago During April

As spring unfolds in Cartago, Costa Rica, the likelihood of sunny weather experiences a notable decline in April, dropping to just 18%. This marks a significant shift from the earlier months of the year, where January boasts a robust 54% chance of sunshine. As one moves from the dry season into the wetter months, the sunshine probability continues to decrease, with May and June following closely behind at 12% and 13%, respectively. This trend suggests a transition into the rainy season, making April a time when outdoor plans may need to be adjusted, as the sun becomes a rare sight. While the sun may remain elusive, the lush beauty that accompanies the rain makes Cartago equally enchanting.

Percentage of Sunny Days in April in Cartago

The chart illustrates the percentage of sunny days in Cartago throughout the year, with April 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 Cartago experiences clear skies throughout the year.
JanFebMarAprMayJunJulAugSepOctNovDec54%48%47%18%12%13%15%5%8%14%26%50%
Data source: Cartago April chance of sun data, generated using information from the Copernicus Climate Change Service.

Daylight Hours in Cartago in April

In April, Cartago, Costa Rica, enjoys a welcoming 12 hours of daylight, continuing the lively trend set in March. As summer approaches, the daylight duration stabilizes at this generous amount from March to August, offering ample opportunity for outdoor activities and exploration. Following this vibrant period, daylight begins to wane in the latter half of the year, with hours gradually decreasing to 11 hours by October and remaining consistent through December. This rhythmic cycle of daylight not only shapes daily life in Cartago but also reflects the region’s diverse ecosystems and cultural practices throughout the seasons.

Average Daylight Hours in Cartago for April

The chart illustrates the variation in daylight duration in Cartago throughout the year, with April highlighted. It shows the monthly changes in daylight hours, calculated by summing the hours between sunrise and sunset.
JanFebMarAprMayJunJulAugSepOctNovDec11h 36m11h 48m12h 3m12h 20m12h 33m12h 40m12h 36m12h 24m12h 9m11h 53m11h 39m11h 33m
Data source: Cartago daylight hours, calculated by summing the hours between sunrise and sunset for each day.

April Winds in Cartago

As April arrives in Cartago, Costa Rica, the winds begin to softly whisper, averaging a gentle 1.4 m/s (3 mph). This slight decline from March, which boasted a slightly brisker 1.8 m/s, signals the transition towards the quieter breezes of the upcoming months. The wind patterns throughout the year reveal a characteristic ebb and flow, with the early months displaying more vigor, tapering into calmer air as the region moves into the lush green of May and June. The persistent softness of April's wind serves as a perfect backdrop for enjoying the vibrant scenery, hinting at the upcoming wet season while still embracing the refreshing essence of the crisp atmosphere.

Average April Wind Speed in Cartago

The chart displays monthly wind speed patterns in Cartago, with values for each month shown alongside April's data, which is highlighted for easy comparison. It illustrates the average wind speed, offering insights into how April's wind conditions compare to the rest of the year.
JanFebMarAprMayJunJulAugSepOctNovDec1.91.71.81.4 m/s1.31.11.41.11.21.11.41.7
Data source: Cartago April wind data, generated using information from the Copernicus Climate Change Service.

How April Weather in Cartago Compares to Other Months

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

In comparing the weather of April to that of January, April tends to be warmer and wetter. April boasts a minimum temperature of 13°C (55°F) and can reach up to 26°C (78°F), with an average temperature of 18°C (65°F). In contrast, January experiences slightly cooler temperatures, with a minimum of 11°C (51°F) and a maximum of 24°C (76°F), averaging around 17°C (63°F). Moreover, April sees significantly higher precipitation, totaling 155 mm (6.1 in) over 23 days, while January receives only 35 mm (1.4 in) across just 6 days. Both months have similar humidity levels, with January at 68% and April at 67%. For more detailed information about January weather, you can visit Cartago weather in January.

When comparing the weather in April and February, we notice that April tends to be slightly warmer, with average temperatures ranging from a minimum of 13°C (55°F) to a maximum of 26°C (78°F), while February experiences a minimum of 11°C (51°F) and a maximum of 25°C (76°F). April also sees significantly more precipitation, with 155 mm (6.1 in) over 23 days compared to February's modest 19 mm (0.8 in) over just 5 days. Humidity remains fairly consistent between the two months, with April at 67% and February slightly higher at 68%. For more detailed information, you can visit Cartago weather in February.

In comparing the weather patterns of March and April, both months experience similar average temperatures, hovering around 18°C (65°F). However, April sees a slight increase in minimum and maximum temperatures, with lows of 13°C (55°F) and highs reaching up to 26°C (78°F). One of the most notable differences is the precipitation: April receives significantly more rainfall at 155 mm (6.1 in) over 23 days, compared to just 28 mm (1.1 in) over 6 days in March. The humidity levels remain comparable, with March at 66% and April slightly higher at 67%. For more detailed weather information, check out Cartago weather in March.

When comparing weather in April and May, both months share similar average temperatures, with April experiencing a minimum of 13°C (55°F) and a maximum of 26°C (78°F), while May shows slightly higher minimum temperatures at 14°C (57°F) and an increased maximum of 26°C (79°F). However, May is significantly wetter, receiving 532 mm (21.0 in) of precipitation over 29 days compared to April's 155 mm (6.1 in) and 23 days of rain. The humidity also sees a slight rise in May, averaging 69% compared to April's 67%. For a more detailed look at the weather conditions, you can check Cartago weather in May.

In comparing the weather of April and June, April tends to be slightly warmer, with maximum temperatures reaching up to 26°C (78°F) compared to June’s peak of 25°C (76°F). Both months have similar average temperatures around 18°C (65°F), but June experiences higher humidity at 84% versus April's 67%. Notably, June is considerably wetter, receiving 399 mm (15.7 in) of precipitation over 29 days, while April sees less rainfall at 155 mm (6.1 in) across 23 days. For more detailed information, you can check Cartago weather in June.

April and July both exhibit mild average temperatures, with April ranging from a minimum of 13°C (55°F) to a maximum of 26°C (78°F) and July showing slightly higher minima of 14°C (57°F) and a maximum of 24°C (76°F). However, July is notably wetter, receiving 315 mm (12.4 in) of precipitation over 28 days, compared to April's 155 mm (6.1 in) over 23 days. Additionally, July experiences higher humidity levels at 85%, compared to April's 67%. For more detailed insights into the weather in July, visit Cartago weather in July.

When comparing the weather in April and August, both months present mild temperatures, with April slightly warmer, featuring a minimum of 13°C (55°F) and a maximum of 26°C (78°F), while August has a minimum of 14°C (57°F) and a maximum of 25°C (78°F). However, August experiences significantly higher precipitation, with a total of 403 mm (15.9 in) over 30 days compared to April's 155 mm (6.1 in) over 23 days. Additionally, humidity levels rise in August to 82%, making it feel more humid than April's 67%. For detailed information on August weather in Cartago, you can check Cartago weather in August.

April and September exhibit some notable differences in weather patterns. In April, the temperatures range from a minimum of 13°C (55°F) to a maximum of 26°C (78°F), with an average of 18°C (65°F). The month experiences significant rainfall, totaling 155 mm (6.1 in) over 23 days, accompanied by a humidity level of 67%. Conversely, September shows a slight increase in minimum temperature at 14°C (57°F), while the maximum drops slightly to 25°C (77°F). This month is considerably wetter, with an impressive 508 mm (20.0 in) of precipitation over 30 days, leading to higher humidity at 81%. For more detailed information on September weather specifics, you can visit Cartago weather in September.

April and October present notable differences in weather patterns. In April, temperatures range from a minimum of 13°C (55°F) to a maximum of 26°C (78°F), with an average of 18°C (65°F). The month also sees a moderate level of precipitation at 155 mm (6.1 in) across about 23 days, and a humidity level of 67%.

In contrast, October experiences somewhat cooler temperatures, with a maximum of 24°C (76°F) and an increase in overall precipitation, totaling 601 mm (23.7 in) and spread over 30 days. Humidity also rises to 80%, making October feel more humid and wet. For more detailed weather information, you can visit Cartago weather in October.

April and November exhibit similar minimum and average temperatures, both starting at around 13°C (55°F) and hovering around 18°C (64-65°F). However, April tends to be warmer with maximum temperatures peaking at 26°C (78°F), while November's highs reach 24°C (75°F). Notably, November experiences significantly higher precipitation, totaling 272 mm (10.7 in) over 26 days, compared to April's 155 mm (6.1 in) falling over 23 days, contributing to a higher humidity level of 80% in November. For more detailed insights on November weather, you can check Cartago weather in November.

April and December present distinct contrasts in weather, influencing the overall atmosphere of each month. In April, temperatures range from a mild 13°C (55°F) at night to a warm 26°C (78°F) during the day, averaging around 18°C (65°F). However, it is also the wettest month, receiving 155 mm (6.1 in) of precipitation over 23 days, contributing to a humidity level of 67%. In contrast, December offers slightly cooler temperatures, with a minimum of 12°C (54°F), an average of 17°C (64°F), and a maximum of 24°C (75°F). The month is significantly drier, with just 78 mm (3.1 in) of rain over 11 days and a higher humidity of 72%. For more detailed insights into December weather, check out Cartago weather in December.

Compare Cartago's Climate with Cities Worldwide

Conclusion: What to Expect From April Weather in Cartago

As April unfolds in Cartago, the weather presents a delightful contrast to the drier months. With a maximum temperature reaching 26°C (78°F) and a comfortable average of 18°C (65°F), the warmth is tempered by notable humidity levels around 67%. The month also sees significant rainfall, totaling 155 mm (6.1 in), spread across 23 days, which invigorates the lush landscapes and fosters a vibrant atmosphere. This combination of sunshine and showers makes April a unique time to experience the beauty of Cartago, embracing the refreshing vitality of the wet season. For a deeper understanding of Cartago's climate throughout the year, visit Cartago Climate.