April Weather in Rio, United States

Last updated: June 24, 2025

The average temperature in Rio, United States during April hovers around 24°C (76°F). Daily highs can reach a warm 32°C (90°F), while the mercury may dip to a comfortable 15°C (59°F). With precipitation totaling 65 mm (2.6 in) across 8 days, and an average humidity of 68%, it's a month where both sun and occasional rain play a role in the local climate. Stay prepared to fully enjoy your experience!

April Temperature in Rio

In April in Rio, the average temperature is 24°C (76°F), with maximums reaching 32°C (90°F) and minimums dropping to as low as 15°C (59°F). This pleasant climate makes Rio a perfect destination for travelers looking to enjoy mild and comfortable weather.

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

The chart illustrates April 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, April typically has an average temperature of 24°C (76°F), with highs reaching up to 32°C (90°F) and lows dropping to around 15°C (59°F).

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

April Precipitation in Rio

In Rio in April, the total precipitation amount is 65 mm (2.6 in) spread over the course of 8 days.

April Precipitation Trends in Rio

The chart displays monthly precipitation patterns in Rio, 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 Rio, April typically receives around 65 mm (2.6 inches) of precipitation spread over approximately 8 days.

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

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Millimeters (mm) Inches (in)

April Humidity in Rio

In Rio in April humidity is 68%. With an average temperature of 24°C (76°F), this humidity feels like a warm, steamy embrace that makes traveling both invigorating and slightly exhausting, as the air clings to your skin and encourages leisurely breaks in the shade.

April Average Humidity in Rio

This chart illustrates the average monthly humidity levels in Rio, 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 Rio is approximately 68%, offering insight into how humid the weather typically is during this month.

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

April UV Index in Rio

In Rio 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 Rio.

Maximum UV Index Levels in Rio for April

The chart shows the monthly maximum UV Index (UVI) for Rio 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 Rio typically reaches 11, which falls under the extreme exposure category.

Data source: Rio 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 Rio Compares to Other Months

Weather in Rio varies notably across the year, with each month offering distinct climate conditions. This page compares April’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 April’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	20°C (68°F)	38 mm (1.5 inches)	83%	high
February Weather	22°C (72°F)	43 mm (1.7 inches)	80%	very high
March Weather	22°C (72°F)	31 mm (1.2 inches)	75%	very high
April Weather	24°C (76°F)	65 mm (2.6 inches)	68%	extreme
May Weather	26°C (79°F)	122 mm (4.8 inches)	65%	extreme
June Weather	27°C (81°F)	159 mm (6.3 inches)	73%	extreme
July Weather	28°C (83°F)	140 mm (5.5 inches)	77%	extreme
August Weather	28°C (83°F)	175 mm (6.9 inches)	80%	extreme
September Weather	28°C (82°F)	148 mm (5.8 inches)	83%	extreme
October Weather	27°C (80°F)	126 mm (5.0 inches)	83%	very high
November Weather	23°C (75°F)	81 mm (3.2 inches)	83%	high
December Weather	21°C (71°F)	49 mm (1.9 inches)	84%	moderate