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Weather in Rio de Janeiro for May 2025

Your guide to Rio de Janeiro weather in May - trends and predictions
  • In general, the average temperature in Rio de Janeiro at the beginning of May is 29.7 °C. As the month progressed, temperatures tended to significantly cool down, reaching an average of 24.6 °C by the end of May.

  • With an average of 3 rainy days, Rio de Janeiro experiences minimal rainfall in May, ensuring that most days remain pleasantly dry.

  • Is May a good time to visit Rio de Janeiro? check out the best time to travel to Rio de Janeiro page.

  • New! Chat with our AI weatherman - it’s amazing and free.
Average dry days
28
Dry days
Average rainy days
3
Rainy days
Average snowy days
0
Snow days
Average temperatures
28°/19°
Temperatures
Average wind speed
13 km/h
Avg max wind
Average humidity
74 %
Avg humidity

Rio de Janeiro in May average weather

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Temperatures trend during May in Rio de Janeiro

See the weather trend as well as the moving average line
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May weather day by day

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Date Weather Temperatures Rain UV More
1 May Overcast
Overcast
30° /21° 0 mm 8
2 May Overcast
Overcast
30° /21° 0 mm 8
3 May Sunny
Sunny
29° /21° 0 mm 8
4 May Sunny
Sunny
30° /21° 0 mm 9
5 May Sunny
Sunny
30° /21° 0 mm 8
6 May Cloudy
Cloudy
29° /21° 0 mm 7
7 May Sunny
Sunny
30° /21° 0 mm 8
8 May Partly cloudy
Partly cloudy
31° /21° 0 mm 9
9 May Sunny
Sunny
31° /22° 0.1 mm 9
10 May Moderate or heavy rain shower
Moderate or heavy rain shower
27° /22° 6.4 mm 7
11 May Moderate or heavy rain shower
Moderate or heavy rain shower
26° /21° 3.1 mm 6
12 May Moderate rain at times
Moderate rain at times
27° /21° 2.2 mm 7
13 May Moderate rain at times
Moderate rain at times
28° /21° 1.9 mm 7
14 May Cloudy
Cloudy
25° /20° 0.4 mm 6
15 May Sunny
Sunny
24° /19° 2.6 mm 6
16 May Sunny
Sunny
27° /18° 0.1 mm 7
17 May Patchy rain possible
Patchy rain possible
28° /20° 0.6 mm 7
18 May Overcast
Overcast
26° /20° 0.1 mm 7
19 May Sunny
Sunny
26° /19° 0 mm 7
20 May Sunny
Sunny
27° /18° 0 mm 8
21 May Partly cloudy
Partly cloudy
26° /18° 1.8 mm 7
22 May Cloudy
Cloudy
28° /18° 0 mm 7
23 May Sunny
Sunny
29° /19° 0 mm 8
24 May Partly cloudy
Partly cloudy
29° /20° 0 mm 8
25 May Sunny
Sunny
26° /19° 1.6 mm 7
26 May Sunny
Sunny
24° /18° 16.2 mm 7
27 May Sunny
Sunny
27° /19° 6.7 mm 7
28 May Sunny
Sunny
28° /19° 2.8 mm 7
29 May Moderate or heavy rain shower
Moderate or heavy rain shower
22° /19° 21.7 mm 6
30 May Patchy rain possible
Patchy rain possible
23° /19° 0.2 mm 6
31 May Moderate or heavy rain shower
Moderate or heavy rain shower
22° /18° 5.3 mm 6
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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.

Guide for Rio de Janeiro in May

In May, Rio de Janeiro experiences a transition from the warm, humid conditions of autumn to the cooler, drier weather of winter. At the beginning of the month, the average temperature hovers around 25°, with occasional showers and high humidity.

As the month progresses, the temperature gradually decreases to around 23°, and the humidity levels begin to drop. By the end of May, Rio de Janeiro enjoys more comfortable weather, with cooler evenings and pleasant daytime temperatures.

The city experiences an average of 7 hours of sunshine per day throughout May, providing ample opportunity for outdoor activities and sightseeing. However, visitors should be prepared for sporadic rain showers, especially in the first half of the month.

The sea temperature remains relatively warm, making it suitable for beach activities and water sports.

Overall, May in Rio de Janeiro offers a mix of warm days, occasional rain showers, and comfortable evenings, making it an ideal time to explore the city's vibrant culture, beautiful beaches, and stunning natural landscapes.

Rio de Janeiro in May - FAQ

Is May a good time to visit Rio de Janeiro?
Yes, May is a good time to traveling to Rio de Janeiro, read more about the best time to visit Rio de Janeiro.
What are the expected maximum and minimum temperatures in Rio de Janeiro during May?
During May, expect a variety of temperatures with highs around 28° and lows near 19°, 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 84.5 mm spread over approximately 3 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.

What to pack to Rio de Janeiro in May?

As you prepare for your trip to Rio de Janeiro in May, it's important to consider the typical weather patterns for the time of year. Below is a carefully tailored packing list to ensure that your time in Rio de Janeiro, during May, is comfortable and enjoyable, regardless of the weather conditions.

  • Clothing
    • Lightweight Clothing: T-shirts, blouses, shorts, skirts
    • Rain Gear: Lightweight, waterproof clothing
  • Footwear
    • Waterproof Shoes
  • Accessories
    • Sunglasses: For sun protection
    • Sun Hats: Wide-brimmed hats for sun protection in warm weather
    • Umbrellas/Raincoats: For rainy days
  • Personal Items
    • Sunscreen: High SPF for sunny destinations
    • Lip Balm with SPF: To protect against chapped lips

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Location coordinates Where is Rio de Janeiro?

Get accurate weather forecasts for Rio de Janeiro, located at latitude -22.906 and longitude -43.182. Stay updated with localized weather information tailored for Rio de Janeiro.

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