Last updated: June 24, 2025
In October, the average temperature in Rio, United States hovers around 27°C (80°F). Expect a minimum of 13°C (56°F) and a comfortable maximum of 31°C (88°F). This month sees about 126 mm (5.0 in) of precipitation spread over 18 days, while the average humidity remains high at 83%, creating a warm, tropical atmosphere.
In October, in Rio, the average temperature is 27°C (80°F). Maximums can reach 31°C (88°F), while minimums can drop to as low as 13°C (56°F). Overall, this pleasant climate makes Rio an ideal destination for travelers seeking comfortable weather.
In Rio in October, the precipitation amount is 126 mm (5.0 in) spread over 18 days.
In Rio in October, humidity is 83%. With an average temperature of 27°C (80°F), this humidity feels like a warm, steamy embrace, making traveling a bit uncomfortable as the air clings to your skin and renders even the slightest exertion more exhausting.
In Rio in October, the maximum UV index is 9, which corresponds to a very high Exposure Category. The time to burn is just 15 minutes, so it's essential to take precautions. For detailed information, you can check 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 October’s weather to other months in Rio, focusing on differences in temperature, rainfall, humidity, and UV levels.
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 |