Rio de Janeiro
May
Weather in Rio de Janeiro for May 2026
Your guide to Rio de Janeiro weather in May - trends and predictions
The forecast for the next days in Rio de Janeiro predicts temperatures to be around 27 °C, close to the historical average.
In general, the average temperature in Rio de Janeiro at the beginning of May is 27.7 °C. As the month progressed, temperatures tended to noticeably cool down, reaching an average of 24.7 °C by the end of May.
The climate of Rio de Janeiro in May is notably wet, with an average of 14 rainy days, and a total of 62.1 mm of precipitation.
Temperatures
Rain 🌧️
17
Dry days
14
Rainy days
0
Snow days
26°/20°
Temperatures
13 km/h
Avg max wind
74 %
Avg humidity
Rio de Janeiro Weather May
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Temperatures trend during May in Rio de Janeiro
See the weather trend as well as the moving average line
May weather in Rio de Janeiro day by day
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| Date | Weather | Temperatures | Rain | UV | More |
|---|---|---|---|---|---|
| 1 May |  Overcast | 28° /21° | 1.6 mm | 6 | |
| 2 May | Overcast | 29° /21° | 0 mm | 7 | |
| 3 May |  Sunny | 27° /20° | 1.4 mm | 6 | |
| 4 May | Sunny | 28° /20° | 0.1 mm | 7 | |
| 5 May | Sunny | 27° /20° | 0 mm | 7.2 | |
| 6 May | Sunny | 27° /21° | 0 mm | 7 | |
| 7 May | Sunny | 28° /21° | 0 mm | 7.2 | |
| 8 May | Sunny | 31° /22° | 0 mm | 2.2 | |
| 9 May | Sunny | 31° /23° | 0.1 mm | 8 | |
| 10 May |  Patchy rain possible | 23° /21° | 0.8 mm | 6 | |
| 11 May |  Partly cloudy | 23° /19° | 0 mm | 7 | |
| 12 May | Partly cloudy | 23° /18° | 0 mm | 7 | |
| 13 May |  Cloudy | 24° /20° | 0 mm | 6 | |
| 14 May | Sunny | 25° /19° | 0 mm | 7 | |
| 15 May | Sunny | 26° /18° | 0 mm | 7 | |
| 16 May | Sunny | 29° /19° | 0 mm | 7 | |
| 17 May | Sunny | 30° /21° | 0 mm | 7 | |
| 18 May | Sunny | 28° /22° | 0 mm | 7 | |
| 19 May | Sunny | 27° /19° | 0 mm | 7 | |
| 20 May | Sunny | 28° /18° | 0 mm | 8 | |
| 21 May | Partly cloudy | 26° /19° | 1.2 mm | 7 | |
| 22 May | Partly cloudy | 27° /18° | 0 mm | 7 | |
| 23 May | Sunny | 27° /19° | 5.1 mm | 7 | |
| 24 May | Partly cloudy | 27° /20° | 1.8 mm | 7 | |
| 25 May | Sunny | 25° /19° | 1.1 mm | 7 | |
| 26 May | Sunny | 25° /18° | 10.8 mm | 7 | |
| 27 May | Sunny | 27° /19° | 4.5 mm | 7 | |
| 28 May | Sunny | 28° /19° | 1.9 mm | 7 | |
| 29 May |  Moderate or heavy rain shower | 23° /19° | 14.9 mm | 6 | |
| 30 May | Patchy rain possible | 22° /19° | 0.9 mm | 5 | |
| 31 May | Moderate or heavy rain shower | 23° /18° | 3.5 mm | 6 | |
| Next | |||||
Important Notice
Our weather forecast for Rio de Janeiro in May is based on the analysis of historical data rather than real-time forecast models. While this provides a general overview, weather conditions can change. We recommend that you check the Rio de Janeiro forecast closer to your planned date for the most up-to-date weather information.
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Rio de Janeiro in May - FAQ
What are the expected maximum and minimum temperatures in Rio de Janeiro during May?
During May, expect a variety of temperatures with highs around 26° and lows near 20°, suitable for diverse activities and preferences.
How much rainfall should be expected in Rio de Janeiro during May?
Moderate rainfall is anticipated in Rio de Janeiro during May, with a total of 62.1 mm spread over approximately 14 days. Considering plans for rainy days is advisable.
What are the typical wind conditions in Rio de Janeiro during May?
The average wind speed in Rio de Janeiro during May is 13 km/h, suggesting breezy to windy conditions, depending on your activities.
Rio de Janeiro water temperatures in May
The average water temperature of the Atlantic Ocean near Rio de Janeiro in May is 22.8 °C. Temperatures remain fairly consistent throughout the month.
- What is the water temperature in Rio de Janeiro in May?
- The average water temperature in Rio de Janeiro in May is 22.8 °C.
- Can you swim in Rio de Janeiro in May?
- Comfortably warm for most people. Sensitive swimmers might prefer a light rash-guard, but wetsuits are rarely needed.
May rainfall patterns in Rio de Janeiro
Explore the daily rainfall trends and prepare for Rio de Janeiros May weather 💧
Typically, Rio de Janeiro has 14 rainy days in May with a total of 62.1 mm of rainfall.
UV exposure in Rio de Janeiro during May
Stay informed about UV levels for safe outdoor activities throughout the month of May ☀️
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