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 28.4 °C. As the month progressed, temperatures tended to significantly cool down, reaching an average of 22.4 °C by the end of May.
South America experiences moderate rainfall in May, with an average of 8 rainy days and a total precipitation of 51.9 mm.
Temperatures
Rain 🌧️
23
Dry days
8
Rainy days
0
Snow days
26°/16°
Temperatures
15 km/h
Avg max wind
65 %
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 |  Patchy rain possible | 28° /16° | 0.2 mm | 7 | |
| 2 May | Patchy rain possible | 27° /17° | 0.4 mm | 7 | |
| 3 May | Patchy rain possible | 29° /17° | 0 mm | 7 | |
| 4 May |  Partly cloudy | 28° /17° | 0 mm | 8 | |
| 5 May |  Sunny | 29° /18° | 0 mm | 8 | |
| 6 May | Partly cloudy | 29° /17° | 0 mm | 8 | |
| 7 May | Sunny | 29° /18° | 0 mm | 8 | |
| 8 May | Partly cloudy | 30° /18° | 0 mm | 8 | |
| 9 May |  Heavy rain at times | 30° /19° | 1 mm | 8 | |
| 10 May | Patchy rain possible | 26° /19° | 2.1 mm | 7 | |
| 11 May | Patchy rain possible | 24° /17° | 0.3 mm | 6 | |
| 12 May | Patchy rain possible | 24° /16° | 0.1 mm | 7 | |
| 13 May |  Cloudy | 25° /16° | 0 mm | 7 | |
| 14 May | Patchy rain possible | 25° /14° | 0.4 mm | 6 | |
| 15 May | Sunny | 22° /13° | 0.2 mm | 6 | |
| 16 May | Sunny | 27° /14° | 0 mm | 7 | |
| 17 May | Sunny | 26° /15° | 0 mm | 7 | |
| 18 May | Partly cloudy | 27° /15° | 0 mm | 8 | |
| 19 May | Sunny | 26° /15° | 0.1 mm | 7 | |
| 20 May | Sunny | 28° /15° | 0 mm | 7 | |
| 21 May |  Overcast | 27° /15° | 0.1 mm | 7 | |
| 22 May | Cloudy | 25° /15° | 0.4 mm | 7 | |
| 23 May | Sunny | 25° /16° | 0.4 mm | 7 | |
| 24 May | Patchy rain possible | 27° /16° | 0.1 mm | 7 | |
| 25 May | Sunny | 24° /14° | 2.4 mm | 7 | |
| 26 May | Sunny | 23° /14° | 5.1 mm | 7 | |
| 27 May | Sunny | 25° /15° | 4.3 mm | 7 | |
| 28 May | Patchy rain possible | 25° /16° | 2.2 mm | 6 | |
| 29 May | Patchy rain possible | 19° /13° | 0.6 mm | 5 | |
| 30 May | Overcast | 20° /12° | 0.9 mm | 6 | |
| 31 May |  Moderate or heavy rain shower | 21° /12° | 15.1 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 16°, 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 51.9 mm spread over approximately 8 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 15 km/h, suggesting breezy to windy conditions, depending on your activities.
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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