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January Weather in Yi'an, China

Last updated: August 23, 2025

In Yi'an, China during January, the average temperature hovers around -20°C (-3°F), with extremes ranging from a brisk -39°C (-38°F) to a milder -4°C (25°F). Precipitation is minimal, at just 3 mm (0.1 in) over the course of 0 days, while the average humidity sits comfortably at 75%. Stay warm and prepared for the chill!

January Temperature in Yi'an

In January in Yi'an, the average temperature is -20°C (-3°F). Maximum temperatures can reach -4°C (25°F), while minimums can plummet to as low as -39°C (-38°F). Travelers should prepare for extremely cold conditions and dress accordingly to enjoy their visit.

January Weather in Yi'an: Daily Temperature Highs, Lows, and Averages

The chart illustrates January temperature patterns in Yi'an, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Yi'an, January typically has an average temperature of -20°C (-3°F), with highs reaching up to -4°C (25°F) and lows dropping to around -39°C (-38°F).
JanFebMarAprMayJunJulAugSepOctNovDec-352643576774685841200
Data source: Temperature data for Yi'an generated using information from the Copernicus Climate Change Service.
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The average of daily temperatures (24 hours) calculated across all days in the month.

January Precipitation in Yi'an

In Yi'an in January, the precipitation amount is 3 mm (0.1 in) during a total of 0 days.

January Precipitation Trends in Yi'an

The chart displays monthly precipitation patterns in Yi'an, 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 Yi'an, January typically receives around 3 mm (0.1 inches) of precipitation spread over approximately 0 days.
JanFebMarAprMayJunJulAugSepOctNovDec351131411111521779524155
Data source: Precipitation data for January generated using information from the Copernicus Climate Change Service.
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January Humidity in Yi'an

In Yi'an in January, humidity is 75%. With an average temperature of -20°C (-3°F), this humidity feels like a biting chill that seeps through layers of clothing, making outdoor activities uncomfortable and forcing travelers to quickly seek shelter from the cold damp air.

January Average Humidity in Yi'an

This chart illustrates the average monthly humidity levels in Yi'an, 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 Yi'an is approximately 75%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec75%70%63%59%61%79%85%87%85%81%61%60%
Data source: Humidity data for January generated using information from the Copernicus Climate Change Service.

January UV Index in Yi'an

In Yi'an 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 Yi'an, you can visit Hourly UV Index in Yi'an.

Maximum UV Index Levels in Yi'an for January

The chart shows the monthly maximum UV Index (UVI) for Yi'an 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 Yi'an typically reaches 2, which falls under the low exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec224678886421
Data source: Yi'an 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 Yi'an Compares to Other Months

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

This table compares monthly weather conditions in Yi'an, showing how January’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather-20°C (-3°F)3 mm (0.1 inches)75%low
February Weather-15°C (5°F)5 mm (0.2 inches)70%low
March Weather-3°C (27°F)11 mm (0.4 inches)63%moderate
April Weather6°C (44°F)31 mm (1.2 inches)59%high
May Weather14°C (58°F)41 mm (1.6 inches)61%high
June Weather19°C (67°F)111 mm (4.4 inches)79%very high
July Weather24°C (75°F)152 mm (6.0 inches)84%very high
August Weather20°C (68°F)177 mm (7.0 inches)87%very high
September Weather14°C (58°F)95 mm (3.8 inches)85%high
October Weather5°C (41°F)24 mm (0.9 inches)80%moderate
November Weather-7°C (20°F)15 mm (0.6 inches)61%low
December Weather-18°C (0°F)5 mm (0.2 inches)60%low

Compare Yi'an's Climate with Cities Worldwide