May Weather in Ongon, Mongolia

Last updated: August 28, 2025

In Ongon, Mongolia, the average temperature for May hovers around 11°C (52°F), with a range that can dip as low as -11°C (12°F) or soar to a warm 31°C (88°F). This month typically sees about 22 mm (0.9 in) of precipitation, spread over 4 days, while the average humidity sits comfortably at 52%.

May Temperature in Ongon

In May in Ongon, the average temperature is 11°C (52°F). Maximums can reach 31°C (88°F), while minimums can drop to as low as -11°C (12°F). Be prepared for a wide range of temperatures if you're planning to travel during this time.

May Weather in Ongon: Daily Temperature Highs, Lows, and Averages

The chart illustrates May temperature patterns in Ongon, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Ongon, May typically has an average temperature of 11°C (52°F), with highs reaching up to 31°C (88°F) and lows dropping to around -11°C (12°F).

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

May Precipitation in Ongon

In Ongon in May, the precipitation amount is 22 mm (0.9 in) over a duration of 4 days.

May Precipitation Trends in Ongon

The chart displays monthly precipitation patterns in Ongon, 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 Ongon, May typically receives around 22 mm (0.9 inches) of precipitation spread over approximately 4 days.

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

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Millimeters (mm) Inches (in)

May Humidity in Ongon

In Ongon in May humidity is 52%. With an average temperature of 11°C (52°F), this humidity feels like a refreshing yet slightly cool embrace, perfect for leisurely strolls and outdoor sightseeing, though you might want to bring a light jacket for comfort.

May Average Humidity in Ongon

This chart illustrates the average monthly humidity levels in Ongon, 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 Ongon is approximately 52%, 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 Ongon

In Ongon 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 Ongon.

Maximum UV Index Levels in Ongon for May

The chart shows the monthly maximum UV Index (UVI) for Ongon 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 Ongon typically reaches 9, which falls under the very high exposure category.

Data source: Ongon 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 Ongon Compares to Other Months

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

This table compares monthly weather conditions in Ongon, showing how May’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	-19°C (-2°F)	3 mm (0.1 inches)	89%	low
February Weather	-15°C (5°F)	6 mm (0.2 inches)	78%	moderate
March Weather	-5°C (24°F)	7 mm (0.3 inches)	66%	moderate
April Weather	4°C (39°F)	16 mm (0.6 inches)	64%	high
May Weather	11°C (52°F)	22 mm (0.9 inches)	52%	very high
June Weather	17°C (63°F)	33 mm (1.3 inches)	59%	very high
July Weather	19°C (67°F)	52 mm (2.1 inches)	63%	very high
August Weather	16°C (62°F)	78 mm (3.1 inches)	62%	very high
September Weather	11°C (52°F)	40 mm (1.6 inches)	65%	high
October Weather	1°C (34°F)	15 mm (0.6 inches)	65%	moderate
November Weather	-8°C (17°F)	12 mm (0.5 inches)	69%	moderate
December Weather	-18°C (1°F)	5 mm (0.2 inches)	86%	low