March Weather in Onon, Mongolia

Last updated: August 28, 2025

In March, the average temperature in Onon, Mongolia hovers around -6°C (22°F). Expect a chilly range, with minimums plummeting to -32°C (-25°F) and maximums reaching a mild 19°C (67°F). On average, you can expect 6 mm (0.2 in) of precipitation over about 1 day, with humidity levels at a comfortable 72%.

March Temperature in Onon

In March in Onon, the average temperature is -6°C (22°F). Maximum temperatures can reach 19°C (67°F), while minimums can drop as low as -32°C (-25°F). Travelers should be prepared for a wide range of temperatures, from freezing cold to mild days.

March Weather in Onon: Daily Temperature Highs, Lows, and Averages

The chart illustrates March temperature patterns in Onon, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Onon, March typically has an average temperature of -6°C (22°F), with highs reaching up to 19°C (67°F) and lows dropping to around -32°C (-25°F).

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

March Precipitation in Onon

In Onon in March, the precipitation amount is 6 mm (0.2 in) over the course of 1 day.

March Precipitation Trends in Onon

The chart displays monthly precipitation patterns in Onon, with values for each month alongside March’s data, which is highlighted for easy comparison. It shows the amount of precipitation, providing insights into how March’s conditions compare to those of other months. In Onon, March typically receives around 6 mm (0.2 inches) of precipitation spread over approximately 1 days.

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

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Millimeters (mm) Inches (in)

March Humidity in Onon

In Onon in March humidity is 72%. With an average temperature of -6°C (22°F), this humidity feels like a heavy blanket, making outdoor activities less enjoyable as the cold air clings to your skin and dampens the thrill of exploration.

March Average Humidity in Onon

This chart illustrates the average monthly humidity levels in Onon, with March’s data highlighted for easy comparison. It shows the fluctuation in humidity throughout the year, helping you understand how conditions vary by season. In March, average humidity in Onon is approximately 72%, offering insight into how humid the weather typically is during this month.

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

March UV Index in Onon

In Onon in March, the maximum UV index reaches 5, which corresponds to a moderate Exposure Category. Under these conditions, the estimated time to burn is approximately 30 minutes. For more details, you can check the Hourly UV Index in Onon.

Maximum UV Index Levels in Onon for March

The chart shows the monthly maximum UV Index (UVI) for Onon in March, 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 March, the maximum UV index in Onon typically reaches 5, which falls under the moderate exposure category.

Data source: Onon March 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 March Weather in Onon Compares to Other Months

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

This table compares monthly weather conditions in Onon, showing how March’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	-22°C (-7°F)	2 mm (0.1 inches)	92%	low
February Weather	-18°C (0°F)	5 mm (0.2 inches)	86%	moderate
March Weather	-6°C (22°F)	6 mm (0.2 inches)	72%	moderate
April Weather	4°C (39°F)	16 mm (0.6 inches)	67%	high
May Weather	10°C (51°F)	35 mm (1.4 inches)	69%	very high
June Weather	17°C (63°F)	71 mm (2.8 inches)	67%	very high
July Weather	19°C (66°F)	118 mm (4.6 inches)	79%	very high
August Weather	16°C (61°F)	95 mm (3.7 inches)	79%	very high
September Weather	10°C (51°F)	42 mm (1.6 inches)	82%	high
October Weather	0°C (33°F)	20 mm (0.8 inches)	79%	moderate
November Weather	-10°C (14°F)	7 mm (0.3 inches)	81%	moderate
December Weather	-19°C (-2°F)	4 mm (0.1 inches)	90%	low