Jianchuan Weather & Climate: Best Time to Visit

The climate in Jianchuan is known for significant temperature differences throughout the year, making the weather dynamic. Typically, average maximum daytime temperatures range from a comfortable 24°C (75°F) in June to a moderate 13°C (55°F) in the coolest month, January.

Nights vary from 14°C (57°F) in June to around -2°C (28°F) during the colder months.

Check out our detailed temperature page for more information.

Temperature ranges by month

Jianchuan has a notably wet climate with abundant precipitation, recording 1340 mm (53 in) of rain/snowfall per year. The climate in Jianchuan shows significant variation throughout the year. Expect heavy rainfall in July, the wettest month, with an average of 285 mm (11 in) of precipitation over 25 rainy days.

In contrast, the driest month December offers drier and sunnier days, with around 11 mm (0.4 in) of rainfall over 4 rainy days. For more details, please visit our Jianchuan Precipitation page.

The mean monthly precipitation over the year, including rain, hail, and snow

The average number of days each month with precipitation

For those who appreciate different seasons, Jianchuan serves as an ideal destination. Expect longer, more sun-filled days in December with an average of 8.8 hours of sunshine daily, and embrace the darker days in July, offering only 4.5 hours of daily sunlight.

Visit our detailed sunshine hours page for more information.

Monthly hours of sunshine

Daily hours of sunshine

Daily percentage of sunshine

The relative humidity is high throughout the year in Jianchuan.

The city experiences its highest humidity in September, reaching 83%. In February, the humidity drops to its lowest level at 44%. What does this mean? Read our detailed page on humidity levels for further details.

Relative humidity over the year