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January Weather in Jieguan, China

Last updated: August 22, 2025

In January, the average temperature in Jieguan, China is a brisk 4°C (39°F). Visitors can expect a minimum drop to -9°C (15°F), while the maximum can reach a pleasant 18°C (64°F). With an expected precipitation of 42 mm (1.7 in) over approximately 5 days, and an average humidity of 71%, it's a month where layers and rain gear might come in handy!

January Temperature in Jieguan

In January in Jieguan, the average temperature is 4°C (39°F). The maximum can reach 18°C (64°F) and the minimum can be as low as -9°C (15°F). Be sure to pack layers and prepare for varying weather conditions while exploring the area.

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

The chart illustrates January temperature patterns in Jieguan, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Jieguan, January typically has an average temperature of 4°C (39°F), with highs reaching up to 18°C (64°F) and lows dropping to around -9°C (15°F).
JanFebMarAprMayJunJulAugSepOctNovDec394354627178828375635443
Data source: Temperature data for Jieguan 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 Jieguan

In Jieguan in January, the precipitation amount is 42 mm (1.7 in) over a span of 5 days.

January Precipitation Trends in Jieguan

The chart displays monthly precipitation patterns in Jieguan, 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 Jieguan, January typically receives around 42 mm (1.7 inches) of precipitation spread over approximately 5 days.
JanFebMarAprMayJunJulAugSepOctNovDec42398110314319021113598614219
Data source: Precipitation data for January generated using information from the Copernicus Climate Change Service.
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January Humidity in Jieguan

In Jieguan in January humidity is 71%. With an average temperature of 4°C (39°F), this humidity feels like a damp chill that seeps into your bones, making outdoor exploration brisk and potentially uncomfortable for travelers unprepared for the cold and moisture in the air.

January Average Humidity in Jieguan

This chart illustrates the average monthly humidity levels in Jieguan, 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 Jieguan is approximately 71%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec71%75%84%85%83%83%87%83%68%72%83%79%
Data source: Humidity data for January generated using information from the Copernicus Climate Change Service.

January UV Index in Jieguan

In Jieguan in January, the maximum UV index reaches 5, which corresponds to a moderate Exposure Category. Under these conditions, the estimated time to burn is approximately 30 minutes. For more details, you can check the Hourly UV Index in Jieguan.

Maximum UV Index Levels in Jieguan for January

The chart shows the monthly maximum UV Index (UVI) for Jieguan 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 Jieguan typically reaches 5, which falls under the moderate exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec55891011121110864
Data source: Jieguan 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 Jieguan Compares to Other Months

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

This table compares monthly weather conditions in Jieguan, showing how January’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather4°C (39°F)42 mm (1.7 inches)71%moderate
February Weather6°C (44°F)39 mm (1.5 inches)75%moderate
March Weather12°C (54°F)81 mm (3.2 inches)84%very high
April Weather17°C (62°F)103 mm (4.0 inches)85%very high
May Weather22°C (71°F)143 mm (5.6 inches)82%very high
June Weather26°C (78°F)190 mm (7.5 inches)83%extreme
July Weather28°C (82°F)211 mm (8.3 inches)87%extreme
August Weather28°C (83°F)135 mm (5.3 inches)83%extreme
September Weather24°C (76°F)98 mm (3.9 inches)68%very high
October Weather17°C (63°F)61 mm (2.4 inches)72%very high
November Weather12°C (55°F)42 mm (1.7 inches)83%high
December Weather6°C (43°F)19 mm (0.7 inches)79%moderate

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