Last updated: August 28, 2025
In April, the average temperature in Bayan, Mongolia hovers around 5°C (41°F), but be prepared for a wide range as temperatures can dip to a brisk -11°C (13°F) or soar up to a warm 31°C (87°F). Expect 11 mm (0.4 in) of precipitation spread over just 2 days, and enjoy a comfortable average humidity of 53%.
In April in Bayan, the average temperature is 5°C (41°F). Maximum temperatures can reach 31°C (87°F), while minimums can drop as low as -11°C (13°F). Be prepared for a wide range of temperatures when traveling during this time.
In Bayan in April, the precipitation amount is 11 mm (0.4 in) over the course of 2 days.
In Bayan in April, humidity is 53%. With an average temperature of 5°C (41°F), this humidity feels like a crisp chill that hangs in the air, making it essential for travelers to layer up and prepare for a refreshing, invigorating experience.
In Bayan in April, 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 Bayan, you can refer to this 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 April’s weather to other months in Bayan, focusing on differences in temperature, rainfall, humidity, and UV levels.
Temperature | Precipitation | Humidity | UV | |
---|---|---|---|---|
January Weather | -19°C (-3°F) | 2 mm (0.1 inches) | 91% | low |
February Weather | -16°C (3°F) | 5 mm (0.2 inches) | 82% | moderate |
March Weather | -5°C (24°F) | 6 mm (0.2 inches) | 54% | moderate |
April Weather | 5°C (41°F) | 11 mm (0.4 inches) | 53% | high |
May Weather | 13°C (55°F) | 25 mm (1.0 inches) | 56% | very high |
June Weather | 19°C (66°F) | 41 mm (1.6 inches) | 54% | very high |
July Weather | 21°C (71°F) | 74 mm (2.9 inches) | 65% | very high |
August Weather | 18°C (64°F) | 80 mm (3.1 inches) | 71% | very high |
September Weather | 13°C (55°F) | 39 mm (1.6 inches) | 71% | high |
October Weather | 2°C (37°F) | 21 mm (0.8 inches) | 68% | moderate |
November Weather | -8°C (17°F) | 8 mm (0.3 inches) | 65% | low |
December Weather | -17°C (2°F) | 4 mm (0.1 inches) | 81% | low |