Last updated: June 24, 2025
In Rio, United States, the average temperature in April hovers around 7°C (45°F). Expect a chilly minimum of -12°C (10°F) and a warm maximum reaching up to 27°C (80°F). During this month, you'll encounter approximately 98 mm (3.9 in) of precipitation over 12 days, paired with an average humidity level of 85%. Be prepared for a varied climate that keeps you on your toes!
In April in Rio, the average temperature is 7°C (45°F). The maximum can reach 27°C (80°F), while the minimum can be as low as -12°C (10°F). Be prepared for a wide range of temperatures, so pack accordingly for your travels.
In Rio in April, the precipitation amount is 98 mm (3.9 in) over the course of 12 days.
In Rio in April, humidity is 85%. With an average temperature of 7°C (45°F), this humidity feels like a damp chill that clings to your skin, making outdoor activities less enjoyable and requiring extra layers to stay comfortable while traveling.
In Rio in April, the maximum UV index is 8, which corresponds to a very high Exposure Category. This means that the time to burn is only 15 minutes. For more detailed information, you can refer to the Hourly UV Index in Rio.
UV Risk Categories
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.
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 |