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June Weather in Costa Rica, Brazil

Last updated: August 22, 2025

In Costa Rica, Brazil, the average temperature in June hovers around 18°C (65°F), providing a comfortable climate for visitors. However, be prepared for temperature fluctuations, as it can dip as low as 0°C (33°F) and soar to a maximum of 32°C (89°F). Expect some rain, with an average precipitation of 88 mm (3.5 in) spread across 8 days. The air is refreshingly humid, with an average humidity level of 61%, making it an ideal time to enjoy the local scenery.

June Temperature in Costa Rica

In June in Costa Rica, the average temperature is 18°C (65°F). Maximums can reach 32°C (89°F), while minimums can dip as low as 0°C (33°F). This climate makes Costa Rica an ideal destination for travelers seeking a mix of warm and cool experiences.

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

The chart illustrates June 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, June typically has an average temperature of 18°C (65°F), with highs reaching up to 32°C (89°F) and lows dropping to around 0°C (33°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.

June Precipitation in Costa Rica

In Costa Rica in June, the precipitation amount is 88 mm (3.5 in) over the course of 8 days.

June Precipitation Trends in Costa Rica

The chart displays monthly precipitation patterns in Costa Rica, with values for each month alongside June’s data, which is highlighted for easy comparison. It shows the amount of precipitation, providing insights into how June’s conditions compare to those of other months. In Costa Rica, June typically receives around 88 mm (3.5 inches) of precipitation spread over approximately 8 days.
JanFebMarAprMayJunJulAugSepOctNovDec160131146639888239557176100216
Data source: Precipitation data for June generated using information from the Copernicus Climate Change Service.
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June Humidity in Costa Rica

In Costa Rica in June humidity is 61%. With an average temperature of 18°C (65°F), this humidity feels like a warm blanket enveloping you, making your travels feel more comfortable yet slightly muggy, as you wander through the streets, perhaps seeking shade or a cool drink to help refresh you.

June Average Humidity in Costa Rica

This chart illustrates the average monthly humidity levels in Costa Rica, with June’s data highlighted for easy comparison. It shows the fluctuation in humidity throughout the year, helping you understand how conditions vary by season. In June, average humidity in Costa Rica is approximately 61%, 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 June generated using information from the Copernicus Climate Change Service.

June UV Index in Costa Rica

In Costa Rica in June, the maximum UV index is 6, which corresponds to a high Exposure Category. The time to burn is approximately 25 minutes. To find the hourly UV index in Costa Rica, you can refer to this Hourly UV Index in Costa Rica.

Maximum UV Index Levels in Costa Rica for June

The chart shows the monthly maximum UV Index (UVI) for Costa Rica in June, 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 June, the maximum UV index in Costa Rica typically reaches 6, which falls under the high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec15151311867911141515
Data source: Costa Rica June 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 June 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 June’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 June’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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