May
Weather in South America for May 2026
Your guide to South America weather in May - trends and predictions
In general, the average temperature in South America at the beginning of May is 28.1 °C. As the month progressed, temperatures tended to significantly cool down, reaching an average of 24.7 °C by the end of May.
The climate of South America 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
South America Weather May
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Temperatures trend during May in South America
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May weather in South America day by day
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| Date | Weather | Temperatures | Rain | UV | More |
|---|---|---|---|---|---|
| 1 May |  Overcast | 28° /21° | 0.1 mm | 7 | |
| 2 May | Overcast | 28° /20° | 0.1 mm | 7 | |
| 3 May |  Sunny | 28° /20° | 0 mm | 7 | |
| 4 May | Sunny | 28° /20° | 0 mm | 8 | |
| 5 May | Sunny | 28° /20° | 0 mm | 8 | |
| 6 May |  Cloudy | 28° /20° | 0 mm | 7 | |
| 7 May | Sunny | 29° /20° | 0 mm | 8 | |
| 8 May | Sunny | 30° /21° | 0 mm | 8 | |
| 9 May | Sunny | 31° /21° | 0.1 mm | 9 | |
| 10 May |  Moderate or heavy rain shower | 28° /22° | 4.7 mm | 7 | |
| 11 May | Moderate or heavy rain shower | 25° /20° | 5.4 mm | 6 | |
| 12 May | Moderate rain at times | 26° /20° | 1.6 mm | 7 | |
| 13 May | Moderate rain at times | 27° /20° | 1.7 mm | 7 | |
| 14 May | Cloudy | 25° /19° | 0.3 mm | 6 | |
| 15 May | Sunny | 24° /19° | 1.8 mm | 6 | |
| 16 May | Sunny | 27° /18° | 0.1 mm | 7 | |
| 17 May | Sunny | 27° /19° | 0.4 mm | 7 | |
| 18 May | Overcast | 26° /20° | 0.1 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 | |
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Important Notice
Our weather forecast for South America 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 South America forecast closer to your planned date for the most up-to-date weather information.
Change Month
South America in May - FAQ
What are the expected maximum and minimum temperatures in South America 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 South America during May?
Moderate rainfall is anticipated in South America 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 South America during May?
The average wind speed in South America during May is 13 km/h, suggesting breezy to windy conditions, depending on your activities.
South America water temperatures in May
The average water temperature of the Atlantic Ocean near South America in May is 21.2 °C. Temperatures remain fairly consistent throughout the month.
- What is the water temperature in South America in May?
- The average water temperature in South America in May is 21.2 °C.
- Can you swim in South America in May?
- Comfortably warm for most people. Sensitive swimmers might prefer a light rash-guard, but wetsuits are rarely needed.
May rainfall patterns in South America
Explore the daily rainfall trends and prepare for South Americas May weather 💧
UV exposure in South America during May
Stay informed about UV levels for safe outdoor activities throughout the month of May ☀️
Quick links
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