Weather in Rio de Janeiro, Brazil in May
In an average May, Rio de Janeiro sees a daily high around 25°C and a low around 20°C, based on 1981–2026 of local climate records.
| Average high | 25°C |
|---|---|
| Typical high range | 23°C to 28°C |
| Average low | 20°C |
| Typical low range | 19°C to 22°C |
| Average daily precipitation | 3 mm |
May records
The most extreme May on record for each metric, across 1981–2026. For rainfall, the wettest and driest are by total May accumulation.
High
Highest
34°C
2024-05-02
Lowest
20°C
1987-05-25
Low
Highest
25°C
1987-05-08
Lowest
15°C
2022-05-18
Feels-like
Highest
45°C
2024-05-02
Lowest
15°C
2022-05-18
Humidity
Highest
22.4 g/m³
1987-05-08
Lowest
9.5 g/m³
2022-05-18
Wind
Highest
42 km/h
2007-05-09
Lowest
8 km/h
1996-05-14
Precip
Wettest
185 mm
1995
Driest
16 mm
2025
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