June Weather in Rio, United States

Last updated: August 27, 2025

In June, the average temperature in Rio, United States hovers around 21°C (70°F), providing a pleasantly warm climate. However, be prepared for a range of temperatures, with minimums dipping to 7°C (45°F) and maximums soaring up to 34°C (94°F). Expect 112 mm (4.4 in) of rain spread over 12 days, contributing to an average humidity of 80% that enhances the tropical feel.

June Temperature in Rio

In June, in Rio, the average temperature is 21°C (70°F). The maximum can reach 34°C (94°F) and the minimum can be as low as 7°C (45°F). Be prepared for warm days and cool evenings, making it an ideal time for outdoor activities.

June Weather in Rio: Daily Temperature Highs, Lows, and Averages

The chart illustrates June temperature patterns in Rio, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Rio, June typically has an average temperature of 21°C (70°F), with highs reaching up to 34°C (94°F) and lows dropping to around 7°C (45°F).

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

June Precipitation in Rio

In Rio in June, the total precipitation amount is 112 mm (4.4 in), falling over the course of 12 days.

June Precipitation Trends in Rio

The chart displays monthly precipitation patterns in Rio, 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 Rio, June typically receives around 112 mm (4.4 inches) of precipitation spread over approximately 12 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 Rio

In Rio in June humidity is 80%. With an average temperature of 21°C (70°F), this humidity feels like a warm, enveloping blanket that can make even short walks feel draining, urging travelers to seek shade or a cool drink frequently.

June Average Humidity in Rio

This chart illustrates the average monthly humidity levels in Rio, 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 Rio is approximately 80%, 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 Rio

In Rio in June, the maximum UV index reaches 10, which corresponds to a very high Exposure Category. With a time to burn of just 15 minutes, it's crucial to take precautions. For more detailed information, you can check the Hourly UV Index in Rio.

Maximum UV Index Levels in Rio for June

The chart shows the monthly maximum UV Index (UVI) for Rio 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 Rio typically reaches 10, which falls under the very high exposure category.

Data source: Rio 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 Rio Compares to Other Months

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

This table compares monthly weather conditions in Rio, showing how June’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	-6°C (21°F)	47 mm (1.9 inches)	85%	moderate
February Weather	-6°C (21°F)	52 mm (2.0 inches)	85%	moderate
March Weather	2°C (35°F)	58 mm (2.3 inches)	85%	moderate
April Weather	7°C (45°F)	98 mm (3.9 inches)	85%	very high
May Weather	15°C (59°F)	127 mm (5.0 inches)	78%	very high
June Weather	21°C (70°F)	112 mm (4.4 inches)	80%	very high
July Weather	23°C (74°F)	103 mm (4.1 inches)	78%	very high
August Weather	22°C (71°F)	100 mm (3.9 inches)	76%	very high
September Weather	18°C (65°F)	98 mm (3.8 inches)	79%	high
October Weather	10°C (51°F)	113 mm (4.5 inches)	83%	moderate
November Weather	2°C (36°F)	44 mm (1.7 inches)	88%	moderate
December Weather	-2°C (28°F)	46 mm (1.8 inches)	81%	low