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April Weather in Costa Rica, Brazil

Last updated: August 22, 2025

In Costa Rica, Brazil, the average temperature in April hovers around 23°C (73°F), making it a pleasant time to visit. However, be prepared for temperature fluctuations, as it can dip to a minimum of 7°C (45°F) and soar to a maximum of 33°C (93°F). Expect about 63 mm (2.5 in) of precipitation over 7 days, and keep in mind that the average humidity is 76%, adding a touch of warmth to the air.

April Temperature in Costa Rica

In April in Costa Rica, the average temperature is 23°C (73°F). Maximum temperatures can reach 33°C (93°F), while minimum temperatures can drop to as low as 7°C (45°F). This makes it a great time for travelers to enjoy a mix of warm days and cooler evenings.

April Weather in Costa Rica: Daily Temperature Highs, Lows, and Averages

The chart illustrates April temperature patterns in Costa Rica, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Costa Rica, April typically has an average temperature of 23°C (73°F), with highs reaching up to 33°C (93°F) and lows dropping to around 7°C (45°F).
JanFebMarAprMayJunJulAugSepOctNovDec797877736865646775767778
Data source: Temperature data for Costa Rica generated using information from the Copernicus Climate Change Service.
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The average of daily temperatures (24 hours) calculated across all days in the month.

April Precipitation in Costa Rica

In Costa Rica in April, the precipitation amount is 63 mm (2.5 in) over a span of 7 days.

April Precipitation Trends in Costa Rica

The chart displays monthly precipitation patterns in Costa Rica, 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 Costa Rica, April typically receives around 63 mm (2.5 inches) of precipitation spread over approximately 7 days.
JanFebMarAprMayJunJulAugSepOctNovDec160131146639888239557176100216
Data source: Precipitation data for April generated using information from the Copernicus Climate Change Service.
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April Humidity in Costa Rica

In Costa Rica in April humidity is 76%. With an average temperature of 23°C (73°F), this humidity feels like a warm, enveloping blanket, making outdoor activities feel more intense and prompting travelers to seek shade or cool breaks more frequently.

April Average Humidity in Costa Rica

This chart illustrates the average monthly humidity levels in Costa Rica, 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 Costa Rica is approximately 76%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec85%83%82%76%67%61%52%42%42%43%68%84%
Data source: Humidity data for April generated using information from the Copernicus Climate Change Service.

April UV Index in Costa Rica

In Costa Rica in April, the maximum UV index reaches 11, which corresponds to an extreme Exposure Category. With a time to burn of just 10 minutes, it's essential to take precautions. For more details, you can check the Hourly UV Index in Costa Rica.

Maximum UV Index Levels in Costa Rica for April

The chart shows the monthly maximum UV Index (UVI) for Costa Rica 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 Costa Rica typically reaches 11, which falls under the extreme exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec15151311867911141515
Data source: Costa Rica 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.

How April Weather in Costa Rica Compares to Other Months

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

This table compares monthly weather conditions in Costa Rica, showing how April’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather26°C (79°F)160 mm (6.3 inches)85%extreme
February Weather25°C (78°F)131 mm (5.1 inches)83%extreme
March Weather25°C (77°F)146 mm (5.8 inches)82%extreme
April Weather23°C (73°F)63 mm (2.5 inches)76%extreme
May Weather20°C (68°F)98 mm (3.9 inches)67%very high
June Weather18°C (65°F)88 mm (3.5 inches)61%high
July Weather18°C (64°F)23 mm (0.9 inches)52%high
August Weather20°C (68°F)94 mm (3.7 inches)42%very high
September Weather24°C (75°F)57 mm (2.2 inches)42%extreme
October Weather24°C (76°F)176 mm (6.9 inches)43%extreme
November Weather25°C (77°F)100 mm (3.9 inches)68%extreme
December Weather26°C (78°F)216 mm (8.5 inches)84%extreme

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