nomadseason

December Weather in Ulan, China

Last updated: August 22, 2025

In December, the average temperature in Ulan, China sits at a brisk -7°C (19°F), with the mercury occasionally dipping as low as -24°C (-11°F) and peaking at a mild 9°C (48°F). Expect minimal precipitation of 3 mm (0.1 in) spread across just 1 day, while average humidity hovers around 68%, contributing to the crisp, cool atmosphere.

December Temperature in Ulan

In December in Ulan, the average temperature is -7°C (19°F). Maximum temperatures can reach 9°C (48°F), while minimums can drop as low as -24°C (-11°F). Be prepared for chilly weather and pack accordingly for your trip!

December Weather in Ulan: Daily Temperature Highs, Lows, and Averages

The chart illustrates December temperature patterns in Ulan, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Ulan, December typically has an average temperature of -7°C (19°F), with highs reaching up to 9°C (48°F) and lows dropping to around -24°C (-11°F).
JanFebMarAprMayJunJulAugSepOctNovDec182540516170747061463319
Data source: Temperature data for Ulan 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.

December Precipitation in Ulan

In Ulan in December, the precipitation amount is 3 mm (0.1 in) over the course of 1 day.

December Precipitation Trends in Ulan

The chart displays monthly precipitation patterns in Ulan, with values for each month alongside December’s data, which is highlighted for easy comparison. It shows the amount of precipitation, providing insights into how December’s conditions compare to those of other months. In Ulan, December typically receives around 3 mm (0.1 inches) of precipitation spread over approximately 1 days.
JanFebMarAprMayJunJulAugSepOctNovDec26112226504559473063
Data source: Precipitation data for December generated using information from the Copernicus Climate Change Service.
Choose your preferred precipitation unit

December Humidity in Ulan

In Ulan in December humidity is 68%. With an average temperature of -7°C (19°F), this humidity feels like a bone-chilling embrace, making traveling outside a brisk experience that cuts through your clothing, leaving you more inclined to seek shelter indoors.

December Average Humidity in Ulan

This chart illustrates the average monthly humidity levels in Ulan, with December’s data highlighted for easy comparison. It shows the fluctuation in humidity throughout the year, helping you understand how conditions vary by season. In December, average humidity in Ulan is approximately 68%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec62%60%54%63%45%49%45%51%53%62%62%68%
Data source: Humidity data for December generated using information from the Copernicus Climate Change Service.

December UV Index in Ulan

In Ulan in December, 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 Ulan, you can visit Hourly UV Index in Ulan.

Maximum UV Index Levels in Ulan for December

The chart shows the monthly maximum UV Index (UVI) for Ulan in December, 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 December, the maximum UV index in Ulan typically reaches 2, which falls under the low exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec3479111211119742
Data source: Ulan December 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 December Weather in Ulan Compares to Other Months

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

This table compares monthly weather conditions in Ulan, showing how December’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather-8°C (18°F)2 mm (0.1 inches)62%moderate
February Weather-4°C (25°F)6 mm (0.3 inches)60%moderate
March Weather4°C (40°F)11 mm (0.5 inches)54%high
April Weather11°C (51°F)22 mm (0.9 inches)63%very high
May Weather16°C (61°F)26 mm (1.0 inches)44%extreme
June Weather21°C (70°F)50 mm (2.0 inches)49%extreme
July Weather23°C (74°F)45 mm (1.8 inches)45%extreme
August Weather21°C (70°F)59 mm (2.3 inches)51%extreme
September Weather16°C (61°F)47 mm (1.8 inches)53%very high
October Weather8°C (46°F)30 mm (1.2 inches)62%high
November Weather1°C (34°F)6 mm (0.3 inches)62%moderate
December Weather-7°C (19°F)3 mm (0.1 inches)68%low

Compare Ulan's Climate with Cities Worldwide