May Weather in Bayan-Ulaan, Mongolia

Last updated: August 28, 2025

In May, the average temperature in Bayan-Ulaan, Mongolia hovers around 8°C (47°F). Prepare for a climate with a minimum of -12°C (10°F) and a possible maximum of 26°C (79°F). With an average precipitation of 25 mm (1.0 in) spread over 7 days, expect some dampness in the air, complemented by an average humidity of 54%. Stay cozy and stylishly prepared for diverse weather!

May Temperature in Bayan-Ulaan

In May in Bayan-Ulaan, the average temperature is 8°C (47°F), with maximums reaching 26°C (79°F) and minimums dipping as low as -12°C (10°F). This wide temperature range suggests that travelers should be prepared for both mild and chilly conditions.

May Weather in Bayan-Ulaan: Daily Temperature Highs, Lows, and Averages

The chart illustrates May temperature patterns in Bayan-Ulaan, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Bayan-Ulaan, May typically has an average temperature of 8°C (47°F), with highs reaching up to 26°C (79°F) and lows dropping to around -12°C (10°F).

Data source: Temperature data for Bayan-Ulaan generated using information from the Copernicus Climate Change Service.

May Precipitation in Bayan-Ulaan

In Bayan-Ulaan in May, the precipitation amount is 25 mm (1.0 in) over the course of 7 days.

May Precipitation Trends in Bayan-Ulaan

The chart displays monthly precipitation patterns in Bayan-Ulaan, with values for each month alongside May’s data, which is highlighted for easy comparison. It shows the amount of precipitation, providing insights into how May’s conditions compare to those of other months. In Bayan-Ulaan, May typically receives around 25 mm (1.0 inches) of precipitation spread over approximately 7 days.

Data source: Precipitation data for May generated using information from the Copernicus Climate Change Service.

Choose your preferred precipitation unit

Millimeters (mm) Inches (in)

May Humidity in Bayan-Ulaan

In Bayan-Ulaan in May, humidity is 54%. With an average temperature of 8°C (47°F), this humidity feels like a chill that clings to your skin, making it essential to dress in layers while exploring the area.

May Average Humidity in Bayan-Ulaan

This chart illustrates the average monthly humidity levels in Bayan-Ulaan, with May’s data highlighted for easy comparison. It shows the fluctuation in humidity throughout the year, helping you understand how conditions vary by season. In May, average humidity in Bayan-Ulaan is approximately 54%, offering insight into how humid the weather typically is during this month.

Data source: Humidity data for May generated using information from the Copernicus Climate Change Service.

May UV Index in Bayan-Ulaan

In Bayan-Ulaan in May, the maximum UV index reaches 10, which corresponds to a very high Exposure Category. With a time to burn of just 15 minutes, it's crucial to take precautions. For more detailed information, you can check the Hourly UV Index in Bayan-Ulaan.

Maximum UV Index Levels in Bayan-Ulaan for May

The chart shows the monthly maximum UV Index (UVI) for Bayan-Ulaan in May, representing the highest UV radiation level. The UVI measures the intensity of ultraviolet radiation from the sun, indicating the potential risk of sunburn and UV-related health issues. In May, the maximum UV index in Bayan-Ulaan typically reaches 10, which falls under the very high exposure category.

Data source: Bayan-Ulaan May UVI data generated using information from the Copernicus Climate Change Service.

UV Risk Categories

Extreme (11+): Avoid the sun, stay in shade.
Very High (8-10): Limit sun exposure.
High (6-7): Use SPF 30+ and protective clothing.
Moderate (3-5): Midday shade recommended.
Low (0-2): No protection needed.

How May Weather in Bayan-Ulaan Compares to Other Months

Weather in Bayan-Ulaan varies notably across the year, with each month offering distinct climate conditions. This page compares May’s weather to other months in Bayan-Ulaan, focusing on differences in temperature, rainfall, humidity, and UV levels.

This table compares monthly weather conditions in Bayan-Ulaan, showing how May’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	-18°C (0°F)	3 mm (0.1 inches)	89%	low
February Weather	-15°C (6°F)	8 mm (0.3 inches)	81%	moderate
March Weather	-6°C (22°F)	13 mm (0.5 inches)	72%	high
April Weather	2°C (35°F)	19 mm (0.8 inches)	69%	very high
May Weather	8°C (47°F)	25 mm (1.0 inches)	54%	very high
June Weather	14°C (57°F)	40 mm (1.6 inches)	60%	very high
July Weather	16°C (61°F)	86 mm (3.4 inches)	64%	very high
August Weather	13°C (56°F)	91 mm (3.6 inches)	65%	very high
September Weather	8°C (47°F)	32 mm (1.2 inches)	68%	high
October Weather	-1°C (31°F)	12 mm (0.5 inches)	68%	moderate
November Weather	-9°C (17°F)	6 mm (0.3 inches)	75%	moderate
December Weather	-16°C (4°F)	4 mm (0.2 inches)	89%	low