January Weather in Haylaastay, Mongolia

Last updated: August 28, 2025

In January, the average temperature in Haylaastay, Mongolia is a frosty -20°C (-4°F). Be prepared for temperatures that can plummet to a chilling -38°C (-37°F), while the warmest days may reach up to 0°C (33°F). Expect little moisture, with an average precipitation of just 2 mm (0.1 in) over 0 days, and brace yourself for high humidity levels at 91%!

January Temperature in Haylaastay

In January in Haylaastay, the average temperature is -20°C (-4°F), with maximums reaching 0°C (33°F) and minimums plummeting to as low as -38°C (-37°F). Travelers should be prepared for extremely cold conditions and dress accordingly to fully enjoy their winter adventures.

January Weather in Haylaastay: Daily Temperature Highs, Lows, and Averages

The chart illustrates January temperature patterns in Haylaastay, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Haylaastay, January typically has an average temperature of -20°C (-4°F), with highs reaching up to 0°C (33°F) and lows dropping to around -38°C (-37°F).

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

January Precipitation in Haylaastay

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

January Precipitation Trends in Haylaastay

The chart displays monthly precipitation patterns in Haylaastay, 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 Haylaastay, 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.

Choose your preferred precipitation unit

Millimeters (mm) Inches (in)

January Humidity in Haylaastay

In Haylaastay in January humidity is 91%. With an average temperature of -20°C (-4°F), this humidity feels like a biting chill that seeps into your bones, making travel uncomfortable and requiring extra layers to stay warm and dry.

January Average Humidity in Haylaastay

This chart illustrates the average monthly humidity levels in Haylaastay, 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 Haylaastay is approximately 91%, 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 Haylaastay

In Haylaastay 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 Haylaastay, you can visit Hourly UV Index in Haylaastay.

Maximum UV Index Levels in Haylaastay for January

The chart shows the monthly maximum UV Index (UVI) for Haylaastay 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 Haylaastay typically reaches 2, which falls under the low exposure category.

Data source: Haylaastay 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 Haylaastay Compares to Other Months

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

This table compares monthly weather conditions in Haylaastay, showing how January’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	-20°C (-4°F)	2 mm (0.1 inches)	91%	low
February Weather	-16°C (4°F)	4 mm (0.2 inches)	82%	moderate
March Weather	-4°C (25°F)	4 mm (0.2 inches)	54%	moderate
April Weather	5°C (41°F)	11 mm (0.4 inches)	53%	high
May Weather	12°C (55°F)	22 mm (0.9 inches)	56%	very high
June Weather	19°C (66°F)	29 mm (1.1 inches)	54%	very high
July Weather	22°C (71°F)	74 mm (2.9 inches)	65%	very high
August Weather	18°C (65°F)	76 mm (3.0 inches)	71%	very high
September Weather	13°C (56°F)	26 mm (1.0 inches)	71%	high
October Weather	3°C (38°F)	13 mm (0.5 inches)	68%	moderate
November Weather	-8°C (17°F)	10 mm (0.4 inches)	65%	low
December Weather	-17°C (1°F)	5 mm (0.2 inches)	81%	low