Last updated: August 28, 2025
In May, the average temperature in Bayan, Mongolia hovers around 13°C (55°F). Expect a wide range, with minimums dipping to -5°C (24°F) and maximums soaring up to 33°C (92°F). Prepare for about 20 mm (0.8 in) of precipitation spread over 5 days, and enjoy a comfortable average humidity of 52%.
In May in Bayan, the average temperature is 13°C (55°F), with maximums reaching 33°C (92°F) and minimums dropping as low as -5°C (24°F). Therefore, travelers should be prepared for a wide range of temperatures and pack accordingly.
In Bayan in May, the precipitation amount is 20 mm (0.8 in) over a period of 5 days.
In Bayan in May humidity is 52%. With an average temperature of 13°C (55°F), this humidity feels like a refreshing yet slightly brisk embrace, making it ideal for exploring the outdoors while requiring a light jacket to stay comfortable during your travels.
In Bayan 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 Bayan.
UV Risk Categories
Weather in Bayan varies notably across the year, with each month offering distinct climate conditions. This page compares May’s weather to other months in Bayan, focusing on differences in temperature, rainfall, humidity, and UV levels.
Temperature | Precipitation | Humidity | UV | |
---|---|---|---|---|
January Weather | -17°C (1°F) | 3 mm (0.1 inches) | 89% | low |
February Weather | -13°C (8°F) | 5 mm (0.2 inches) | 78% | moderate |
March Weather | -3°C (28°F) | 7 mm (0.3 inches) | 66% | moderate |
April Weather | 6°C (42°F) | 18 mm (0.7 inches) | 64% | high |
May Weather | 13°C (55°F) | 20 mm (0.8 inches) | 52% | very high |
June Weather | 18°C (66°F) | 49 mm (1.9 inches) | 59% | very high |
July Weather | 20°C (69°F) | 66 mm (2.6 inches) | 63% | very high |
August Weather | 17°C (64°F) | 74 mm (2.9 inches) | 62% | very high |
September Weather | 12°C (54°F) | 36 mm (1.4 inches) | 65% | high |
October Weather | 2°C (36°F) | 16 mm (0.6 inches) | 65% | moderate |
November Weather | -7°C (20°F) | 10 mm (0.4 inches) | 69% | low |
December Weather | -15°C (5°F) | 4 mm (0.2 inches) | 86% | low |