Rio de Janeiro weather in 2025
Rio de Janeiro weather in 2025, with 365 daily observations from Open-Meteo archive data.
Interactive graph
Open Rio de Janeiro in the interactive graph
Use the graph view to inspect 2025 alongside other available years for Rio de Janeiro.
Year summary
In 2025, Rio de Janeiro averaged 27.2 C for daily highs and 20.7 C for daily lows.
A 1991-2020 normal is not available for this location yet, so this page compares 2025 with the 2023-2025 archive baseline. The 2025 average daily high was -0.4 C from that baseline, and total precipitation was -276.9 mm from the baseline total.
The warmest month was February, with an average high of 33.2 C, while July had the lowest average low at 17.2 C.
The wettest month was April, totaling 122.4 mm. The hottest day reached 39.4 C on February 17, 2025.
Monthly averages and precipitation
| Month | Avg low C | Avg high C | Rain and snow mm | Days |
|---|---|---|---|---|
| January | 23.9 | 31.0 | 66.2 | 31 |
| February | 24.8 | 33.2 | 4.7 | 28 |
| March | 23.4 | 29.5 | 55.7 | 31 |
| April | 21.7 | 27.0 | 122.4 | 30 |
| May | 19.8 | 26.0 | 18.8 | 31 |
| June | 18.4 | 25.0 | 18.0 | 30 |
| July | 17.2 | 22.8 | 48.1 | 31 |
| August | 17.8 | 24.0 | 22.7 | 31 |
| September | 18.6 | 25.9 | 33.4 | 30 |
| October | 19.3 | 25.8 | 83.1 | 31 |
| November | 20.2 | 26.4 | 75.4 | 30 |
| December | 22.9 | 30.2 | 75.8 | 31 |
Daily records in 2025
| Record | Date | Value |
|---|---|---|
| Hottest day | February 17, 2025 | 39.4 C |
| Coldest night | July 16, 2025 | 14.8 C |
| Wettest day | April 5, 2025 | 41.4 mm |
Related pages
Weather data source: Open-Meteo Archive API. City metadata source: GeoNames cities15000.