June Weather in Buenos Aires, Costa Rica

Last updated: August 23, 2025

In Buenos Aires, Costa Rica, the average temperature in June hovers around 20°C (68°F). Expect a pleasant range, with minimums dipping to 14°C (58°F) and maximums reaching 28°C (82°F). However, be prepared for rain; 288 mm (11.4 in) of precipitation typically falls over 28 days, accompanied by an average humidity of 84%.

June Temperature in Buenos Aires

In June in Buenos Aires, the average temperature is 20°C (68°F), with maximums reaching up to 28°C (82°F) and minimums dropping as low as 14°C (58°F). This pleasantly mild climate makes it an ideal time for travelers to explore and enjoy outdoor activities.

June Weather in Buenos Aires: Daily Temperature Highs, Lows, and Averages

The chart illustrates June temperature patterns in Buenos Aires, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Buenos Aires, June typically has an average temperature of 20°C (68°F), with highs reaching up to 28°C (82°F) and lows dropping to around 14°C (58°F).

Data source: Temperature data for Buenos Aires generated using information from the Copernicus Climate Change Service.

June Precipitation in Buenos Aires

In Buenos Aires in June, the precipitation amount is 288 mm (11.4 in) over the course of 28 days.

June Precipitation Trends in Buenos Aires

The chart displays monthly precipitation patterns in Buenos Aires, 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 Buenos Aires, June typically receives around 288 mm (11.4 inches) of precipitation spread over approximately 28 days.

Data source: Precipitation data for June generated using information from the Copernicus Climate Change Service.

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Millimeters (mm) Inches (in)

June Humidity in Buenos Aires

In Buenos Aires in June humidity is 84%. With an average temperature of 20°C (68°F), this humidity feels like a warm, enveloping blanket, making travel a challenge as the air clings to your skin, and every step feels heavier in the mugginess.

June Average Humidity in Buenos Aires

This chart illustrates the average monthly humidity levels in Buenos Aires, 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 Buenos Aires is approximately 84%, offering insight into how humid the weather typically is during this month.

Data source: Humidity data for June generated using information from the Copernicus Climate Change Service.

June UV Index in Buenos Aires

In Buenos Aires in June, the maximum UV index is 14, which corresponds to an extreme Exposure Category. The time to burn is just 10 minutes, so it's crucial to take precautions. For the detailed hourly UV index in Buenos Aires, you can check here.

Maximum UV Index Levels in Buenos Aires for June

The chart shows the monthly maximum UV Index (UVI) for Buenos Aires 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 Buenos Aires typically reaches 14, which falls under the extreme exposure category.

Data source: Buenos Aires 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 Buenos Aires Compares to Other Months

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

This table compares monthly weather conditions in Buenos Aires, showing how June’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	19°C (66°F)	50 mm (2.0 inches)	68%	extreme
February Weather	19°C (66°F)	42 mm (1.6 inches)	68%	extreme
March Weather	19°C (67°F)	35 mm (1.4 inches)	66%	extreme
April Weather	20°C (68°F)	113 mm (4.5 inches)	67%	extreme
May Weather	20°C (68°F)	397 mm (15.6 inches)	69%	extreme
June Weather	20°C (68°F)	288 mm (11.4 inches)	84%	extreme
July Weather	20°C (68°F)	237 mm (9.3 inches)	85%	extreme
August Weather	20°C (67°F)	354 mm (13.9 inches)	82%	extreme
September Weather	19°C (67°F)	299 mm (11.8 inches)	81%	extreme
October Weather	19°C (67°F)	490 mm (19.3 inches)	80%	extreme
November Weather	19°C (67°F)	304 mm (12.0 inches)	80%	extreme
December Weather	19°C (66°F)	86 mm (3.4 inches)	72%	extreme