nomadseason

January Weather in Undur Sume, Mongolia

Last updated: August 28, 2025

In Undur Sume, Mongolia, the average temperature in January hovers around -23°C (-9°F), with extremes reaching a chilling -41°C (-42°F) at the lowest and a milder -6°C (22°F) at the highest. During this time, you'll experience just 2 mm (0.1 in) of precipitation over 0 days, while the average humidity remains a brisk 93%.

January Temperature in Undur Sume

In January in Undur Sume, the average temperature is -23°C (-9°F). Maximums can reach -6°C (22°F), while minimums can drop as low as -41°C (-42°F). Travelers should be prepared for extremely cold weather conditions and ensure they have appropriate winter gear.

January Weather in Undur Sume: Daily Temperature Highs, Lows, and Averages

The chart illustrates January temperature patterns in Undur Sume, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Undur Sume, January typically has an average temperature of -23°C (-9°F), with highs reaching up to -6°C (22°F) and lows dropping to around -41°C (-42°F).
JanFebMarAprMayJunJulAugSepOctNovDec-9-2163445555955452810-4
Data source: Temperature data for Undur Sume generated using information from the Copernicus Climate Change Service.
Choose your preferred temperature unit
The average of daily temperatures (24 hours) calculated across all days in the month.

January Precipitation in Undur Sume

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

January Precipitation Trends in Undur Sume

The chart displays monthly precipitation patterns in Undur Sume, 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 Undur Sume, January typically receives around 2 mm (0.1 inches) of precipitation spread over approximately 0 days.
JanFebMarAprMayJunJulAugSepOctNovDec23132839891321474829112
Data source: Precipitation data for January generated using information from the Copernicus Climate Change Service.
Choose your preferred precipitation unit

January Humidity in Undur Sume

In Undur Sume in January humidity is 93%. With an average temperature of -23°C (-9°F), this humidity feels like an eerie, biting chill that seeps into your bones, making travel uncomfortable and requiring heavy layers to combat the oppressive dampness that clings to the air.

January Average Humidity in Undur Sume

This chart illustrates the average monthly humidity levels in Undur Sume, 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 Undur Sume is approximately 93%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec93%85%79%78%78%79%81%82%85%86%88%95%
Data source: Humidity data for January generated using information from the Copernicus Climate Change Service.

January UV Index in Undur Sume

In Undur Sume 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 Undur Sume, you can visit Hourly UV Index in Undur Sume.

Maximum UV Index Levels in Undur Sume for January

The chart shows the monthly maximum UV Index (UVI) for Undur Sume 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 Undur Sume typically reaches 2, which falls under the low exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec235689986521
Data source: Undur Sume 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 Undur Sume Compares to Other Months

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

This table compares monthly weather conditions in Undur Sume, showing how January’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather-23°C (-9°F)2 mm (0.1 inches)93%low
February Weather-19°C (-2°F)3 mm (0.1 inches)85%moderate
March Weather-9°C (16°F)13 mm (0.5 inches)78%moderate
April Weather1°C (34°F)28 mm (1.1 inches)78%high
May Weather7°C (45°F)39 mm (1.5 inches)78%very high
June Weather13°C (55°F)89 mm (3.5 inches)79%very high
July Weather15°C (59°F)132 mm (5.2 inches)81%very high
August Weather13°C (56°F)147 mm (5.8 inches)82%very high
September Weather7°C (45°F)47 mm (1.9 inches)85%high
October Weather-2°C (28°F)29 mm (1.1 inches)86%moderate
November Weather-12°C (11°F)11 mm (0.4 inches)88%low
December Weather-20°C (-4°F)1 mm (0.1 inches)95%low

Compare Undur Sume's Climate with Cities Worldwide