Last updated: August 28, 2025
In May, the average temperature in Altan-Ovoo, Mongolia is a mild 11°C (51°F). However, temperatures can range widely, with a minimum of -13°C (8°F) and a maximum of 29°C (85°F). Expect about 31 mm (1.2 in) of precipitation spread over 7 days, and enjoy an average humidity of 54%.
In May in Altan-Ovoo, the average temperature is 11°C (51°F). Maximum temperatures can reach up to 29°C (85°F), while minimums can drop as low as -13°C (8°F). Be prepared for a wide range of temperatures when traveling to Altan-Ovoo during this time.
In Altan-Ovoo in May, the precipitation amount is 31 mm (1.2 in) over the course of 7 days.
In Altan-Ovoo in May humidity is 54%. With an average temperature of 11°C (51°F), this humidity feels like a cool, crisp embrace, providing a refreshing atmosphere that is invigorating for travelers as they explore the sights without feeling overheated.
In Altan-Ovoo in May, the maximum UV index is 9, which corresponds to a very high Exposure Category. The time to burn is just 15 minutes, so it's essential to take precautions. For detailed information, you can check the Hourly UV Index in Altan-Ovoo.
UV Risk Categories
Weather in Altan-Ovoo varies notably across the year, with each month offering distinct climate conditions. This page compares May’s weather to other months in Altan-Ovoo, focusing on differences in temperature, rainfall, humidity, and UV levels.
| Temperature | Precipitation | Humidity | UV | |
|---|---|---|---|---|
| January Weather | -18°C (0°F) | 4 mm (0.1 inches) | 89% | low | 
| February Weather | -14°C (7°F) | 8 mm (0.3 inches) | 81% | moderate | 
| March Weather | -4°C (25°F) | 11 mm (0.4 inches) | 72% | moderate | 
| April Weather | 4°C (39°F) | 22 mm (0.9 inches) | 69% | high | 
| May Weather | 11°C (51°F) | 31 mm (1.2 inches) | 54% | very high | 
| June Weather | 16°C (62°F) | 55 mm (2.2 inches) | 60% | very high | 
| July Weather | 18°C (64°F) | 96 mm (3.8 inches) | 64% | very high | 
| August Weather | 15°C (60°F) | 87 mm (3.4 inches) | 65% | very high | 
| September Weather | 10°C (51°F) | 39 mm (1.5 inches) | 68% | high | 
| October Weather | 1°C (33°F) | 18 mm (0.7 inches) | 68% | high | 
| November Weather | -8°C (18°F) | 10 mm (0.4 inches) | 75% | low | 
| December Weather | -15°C (5°F) | 4 mm (0.2 inches) | 89% | low |