January Weather in Sayn-Ust, Mongolia

Last updated: August 28, 2025

In January in Sayn-Ust, Mongolia, the average temperature plummets to -19°C (-3°F). Expect extremes, with minimums diving as low as -40°C (-40°F) and maximums reaching a crisp -2°C (29°F). Despite the chill, precipitation levels are minimal at just 2 mm (0.1 in) over 0 days, coupled with an eye-popping average humidity of 97%. Stay warm!

January Temperature in Sayn-Ust

In January in Sayn-Ust, the average temperature is -19°C (-3°F). Maximum temperatures can reach -2°C (29°F), while minimums can drop as low as -40°C (-40°F). Travelers should be prepared for extremely cold conditions and dress warmly to enjoy their stay.

January Weather in Sayn-Ust: Daily Temperature Highs, Lows, and Averages

The chart illustrates January temperature patterns in Sayn-Ust, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Sayn-Ust, January typically has an average temperature of -19°C (-3°F), with highs reaching up to -2°C (29°F) and lows dropping to around -40°C (-40°F).

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

January Precipitation in Sayn-Ust

In Sayn-Ust in January, the precipitation amount is 2 mm (0.1 in) during a span of 0 days.

January Precipitation Trends in Sayn-Ust

The chart displays monthly precipitation patterns in Sayn-Ust, with values for each month alongside January’s data, which is highlighted for easy comparison. It shows the amount of precipitation, providing insights into how January’s conditions compare to those of other months. In Sayn-Ust, January typically receives around 2 mm (0.1 inches) of precipitation spread over approximately 0 days.

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

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Millimeters (mm) Inches (in)

January Humidity in Sayn-Ust

In Sayn-Ust in January, humidity is 97%. With an average temperature of -19°C (-3°F), this humidity feels like a biting chill that seeps into your bones, making every step outdoors a test of endurance and resolve for travelers.

January Average Humidity in Sayn-Ust

This chart illustrates the average monthly humidity levels in Sayn-Ust, with January’s data highlighted for easy comparison. It shows the fluctuation in humidity throughout the year, helping you understand how conditions vary by season. In January, average humidity in Sayn-Ust is approximately 97%, offering insight into how humid the weather typically is during this month.

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

January UV Index in Sayn-Ust

In Sayn-Ust in January, the maximum UV index is 2, which corresponds to a low exposure category. With this level of UV radiation, the time to burn is approximately 45 minutes. To learn more about the hourly UV index in Sayn-Ust, you can visit Hourly UV Index in Sayn-Ust.

Maximum UV Index Levels in Sayn-Ust for January

The chart shows the monthly maximum UV Index (UVI) for Sayn-Ust in January, 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 January, the maximum UV index in Sayn-Ust typically reaches 2, which falls under the low exposure category.

Data source: Sayn-Ust January 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 January Weather in Sayn-Ust Compares to Other Months

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

This table compares monthly weather conditions in Sayn-Ust, showing how January’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	-19°C (-3°F)	2 mm (0.1 inches)	97%	low
February Weather	-13°C (9°F)	2 mm (0.1 inches)	94%	moderate
March Weather	-1°C (30°F)	3 mm (0.1 inches)	87%	moderate
April Weather	8°C (47°F)	5 mm (0.2 inches)	67%	high
May Weather	15°C (60°F)	8 mm (0.3 inches)	45%	very high
June Weather	21°C (70°F)	16 mm (0.6 inches)	42%	very high
July Weather	23°C (73°F)	25 mm (1.0 inches)	46%	very high
August Weather	20°C (67°F)	39 mm (1.5 inches)	52%	very high
September Weather	14°C (57°F)	10 mm (0.4 inches)	54%	high
October Weather	3°C (38°F)	6 mm (0.2 inches)	63%	moderate
November Weather	-7°C (20°F)	3 mm (0.1 inches)	81%	low
December Weather	-18°C (-1°F)	2 mm (0.1 inches)	95%	low