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April Weather in Costa Rica, Mexico

Last updated: August 26, 2025

In April, the average temperature in Costa Rica, Mexico is a warm 26°C (78°F), with lows dipping to 15°C (59°F) and highs reaching a sizzling 36°C (98°F). Expect some light rain, as 21 mm (0.8 in) will likely fall over 4 days, while the average humidity hovers around 57%.

April Temperature in Costa Rica

In April in Costa Rica, the average temperature is 26°C (78°F). Maximums can reach 36°C (98°F), while minimums can dip to as low as 15°C (59°F). This makes it a perfect time for travelers to enjoy a mix of warm and cool weather while exploring the area's attractions.

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 26°C (78°F), with highs reaching up to 36°C (98°F) and lows dropping to around 15°C (59°F).
JanFebMarAprMayJunJulAugSepOctNovDec707275787875757675737270
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 21 mm (0.8 in) over a span of 4 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 21 mm (0.8 inches) of precipitation spread over approximately 4 days.
JanFebMarAprMayJunJulAugSepOctNovDec138621118305811372161804214
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 57%. With an average temperature of 26°C (78°F), this humidity feels like a warm embrace, making travel comfortable yet slightly sticky, prompting the need for refreshing breaks in the shade.

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 57%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec76%68%59%57%65%66%75%82%82%83%80%76%
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 an alarming 15, which falls into the extreme Exposure Category. With a time to burn of just 10 minutes, it's crucial to take precautions. For detailed information, 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 15, which falls under the extreme exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec11131415141415141413119
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 Weather21°C (70°F)13 mm (0.5 inches)76%extreme
February Weather22°C (72°F)8 mm (0.3 inches)68%extreme
March Weather24°C (75°F)6 mm (0.2 inches)59%extreme
April Weather26°C (78°F)21 mm (0.8 inches)57%extreme
May Weather26°C (79°F)118 mm (4.6 inches)65%extreme
June Weather24°C (75°F)305 mm (12.0 inches)66%extreme
July Weather24°C (76°F)81 mm (3.2 inches)75%extreme
August Weather24°C (76°F)137 mm (5.4 inches)82%extreme
September Weather24°C (75°F)216 mm (8.5 inches)82%extreme
October Weather23°C (74°F)180 mm (7.1 inches)83%extreme
November Weather22°C (72°F)42 mm (1.6 inches)80%extreme
December Weather21°C (71°F)14 mm (0.5 inches)76%very high

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