Last updated: August 28, 2025
In May, the average temperature in Rivera, Uruguay is a pleasant 15°C (59°F). However, temperatures can vary widely, with a minimum of 1°C (35°F) and a maximum reaching up to 31°C (88°F). Visitors should prepare for a moderate climate, as precipitation averages around 138 mm (5.4 in) over 10 days. Additionally, the average humidity sits at a comfortable 79%, making it a unique time to experience the region.
In May in Rivera, the average temperature is 15°C (59°F). The maximum can reach 31°C (88°F), while the minimum can dip as low as 1°C (35°F). This means travelers should be prepared for a wide range of temperatures, so packing layers is advisable.
In Rivera in May, the precipitation amount is 138 mm (5.4 in) over a span of 10 days.
In Rivera in May humidity is 79%. With an average temperature of 15°C (59°F), this humidity feels like a muggy embrace that clings to your skin, making outdoor activities somewhat uncomfortable. Travelers may find themselves frequently seeking shelter or refreshing drinks to combat the warm, damp air, as the moisture in the atmosphere feels particularly heavy, especially during longer excursions.
In Rivera in May, the maximum UV index reaches 5, which corresponds to a moderate Exposure Category. Under these conditions, the estimated time to burn is approximately 30 minutes. For more details, you can check the Hourly UV Index in Rivera.
UV Risk Categories
Weather in Rivera varies notably across the year, with each month offering distinct climate conditions. This page compares May’s weather to other months in Rivera, focusing on differences in temperature, rainfall, humidity, and UV levels.
| Temperature | Precipitation | Humidity | UV | |
|---|---|---|---|---|
| January Weather | 25°C (76°F) | 152 mm (6.0 inches) | 63% | extreme |
| February Weather | 24°C (75°F) | 108 mm (4.2 inches) | 58% | extreme |
| March Weather | 22°C (71°F) | 97 mm (3.8 inches) | 68% | extreme |
| April Weather | 19°C (67°F) | 105 mm (4.1 inches) | 78% | very high |
| May Weather | 15°C (59°F) | 138 mm (5.4 inches) | 79% | moderate |
| June Weather | 13°C (56°F) | 113 mm (4.5 inches) | 78% | moderate |
| July Weather | 12°C (54°F) | 89 mm (3.5 inches) | 70% | moderate |
| August Weather | 14°C (57°F) | 109 mm (4.3 inches) | 55% | high |
| September Weather | 16°C (61°F) | 173 mm (6.8 inches) | 62% | very high |
| October Weather | 18°C (65°F) | 145 mm (5.7 inches) | 64% | extreme |
| November Weather | 21°C (70°F) | 106 mm (4.2 inches) | 64% | extreme |
| December Weather | 23°C (74°F) | 54 mm (2.1 inches) | 73% | extreme |