Last updated: August 22, 2025
In May, the average temperature in Uruguaiana, Brazil is a pleasant 17°C (63°F). However, you can expect temperatures to range from a cool 4°C (39°F) to a warm 32°C (89°F). With an average precipitation of 135 mm (5.3 in) spread across 9 days, and humidity levels at a relatively high 82%, be prepared for a somewhat damp and steamy atmosphere.
In May in Uruguaiana, the average temperature is 17°C (63°F). Maximums can reach 32°C (89°F) and minimums can be as low as 4°C (39°F). This makes Uruguaiana an ideal destination for travelers looking for mild weather with the possibility of warm days and cooler nights.
In Uruguaiana in May, the precipitation amount is 135 mm (5.3 in) spread over 9 days.
In Uruguaiana in May, humidity is 82%. With an average temperature of 17°C (63°F), this humidity feels like a warm blanket wrapping around you—comfortable yet heavy, making outdoor activities more taxing and requiring frequent breaks for hydration.
In Uruguaiana in May, the maximum UV index is 6, which corresponds to a high Exposure Category. The time to burn is approximately 25 minutes. To find the hourly UV index in Uruguaiana, you can refer to this Hourly UV Index in Uruguaiana.
UV Risk Categories
Weather in Uruguaiana varies notably across the year, with each month offering distinct climate conditions. This page compares May’s weather to other months in Uruguaiana, focusing on differences in temperature, rainfall, humidity, and UV levels.
Temperature | Precipitation | Humidity | UV | |
---|---|---|---|---|
January Weather | 26°C (80°F) | 167 mm (6.6 inches) | 70% | extreme |
February Weather | 25°C (78°F) | 71 mm (2.8 inches) | 66% | extreme |
March Weather | 24°C (75°F) | 105 mm (4.1 inches) | 73% | extreme |
April Weather | 21°C (70°F) | 125 mm (4.9 inches) | 81% | very high |
May Weather | 17°C (63°F) | 135 mm (5.3 inches) | 82% | high |
June Weather | 15°C (59°F) | 90 mm (3.6 inches) | 77% | moderate |
July Weather | 14°C (57°F) | 60 mm (2.4 inches) | 69% | moderate |
August Weather | 16°C (60°F) | 83 mm (3.3 inches) | 51% | high |
September Weather | 18°C (65°F) | 132 mm (5.2 inches) | 59% | very high |
October Weather | 20°C (69°F) | 137 mm (5.4 inches) | 63% | extreme |
November Weather | 23°C (74°F) | 108 mm (4.3 inches) | 66% | extreme |
December Weather | 25°C (78°F) | 84 mm (3.3 inches) | 81% | extreme |