Barometric Pressure in Rio de Janeiro, Brazil 
0000 hPa
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The pressure in Rio de Janeiro, Brazil is predicted to slowly drop over the next few hours, with an average pressure of 1019 hPa today, which is considered normal.
Weather prediction: Expect more wet and unsettled conditions
The daily total fluctuation in pressure in Rio de Janeiro is 4 hPa, with a low of 1016.7 hPa and a high of 1020.7 hPa.
Forecast
Hourly Pressure Trends
Track the barometric pressure in Rio de Janeiro hour by hour and stay informed about how it will change over the next 6 hours.
The barometric pressure in Rio de Janeiro is usually around 1013 millibars. This is near the global average. It rarely drops below 1007 millibars. Occasionally, it rises above 1019 millibars.
Rio de Janeiro is surrounded by mountains and sea. The mountains are to the north and west. The sea is to the south and east. The city's shape affects the air movement. It creates a tunnel effect for winds from the ocean. These winds bring moisture and heat. The mountains block cold air from the interior.
The prevailing winds are from the southeast. They carry warm, humid air from the ocean. The winds make the climate warm and humid. The humidity is highest near the coast.