October Weather in Onon, Mongolia

Last updated: August 28, 2025

In October, the average temperature in Onon, Mongolia is a brisk 0°C (33°F). Expect a chilly minimum of -13°C (9°F) and a pleasant maximum of 24°C (75°F). The month brings about 20 mm (0.8 in) of precipitation spread over approximately 4 days, contributing to an average humidity of 79%.

October Temperature in Onon

In October in Onon, the average temperature is 0°C (33°F). Maximum temperatures can reach 24°C (75°F), while minimums can drop as low as -13°C (9°F). This wide temperature range makes Onon suitable for travelers seeking a mix of winter sports and mild outdoor activities.

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

The chart illustrates October 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, October typically has an average temperature of 0°C (33°F), with highs reaching up to 24°C (75°F) and lows dropping to around -13°C (9°F).

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

October Precipitation in Onon

In Onon in October, the total precipitation amount is 20 mm (0.8 in) spread over a period of 4 days.

October Precipitation Trends in Onon

The chart displays monthly precipitation patterns in Onon, with values for each month alongside October’s data, which is highlighted for easy comparison. It shows the amount of precipitation, providing insights into how October’s conditions compare to those of other months. In Onon, October typically receives around 20 mm (0.8 inches) of precipitation spread over approximately 4 days.

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

Choose your preferred precipitation unit

Millimeters (mm) Inches (in)

October Humidity in Onon

In Onon in October humidity is 79%. With an average temperature of 0°C (33°F), this humidity feels like a biting chill that cuts through your clothes, making traveling quite uncomfortable as the dampness clings to your skin and saps your energy.

October Average Humidity in Onon

This chart illustrates the average monthly humidity levels in Onon, with October’s data highlighted for easy comparison. It shows the fluctuation in humidity throughout the year, helping you understand how conditions vary by season. In October, average humidity in Onon is approximately 79%, offering insight into how humid the weather typically is during this month.

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

October UV Index in Onon

In Onon in October, the maximum UV index reaches 4, which corresponds to a moderate Exposure Category. With a time to burn of 30 minutes, it’s important to take precautions to protect your skin. You can find more details in the Hourly UV Index in Onon for better planning.

Maximum UV Index Levels in Onon for October

The chart shows the monthly maximum UV Index (UVI) for Onon in October, 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 October, the maximum UV index in Onon typically reaches 4, which falls under the moderate exposure category.

Data source: Onon October 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 October 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 October’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 October’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