Jian Weather & Climate: Best Time to Visit

The climate in Jian is known for significant temperature differences throughout the year, making the weather dynamic. Average maximum daytime temperatures range from a comfortable 29°C (84°F) in July, the warmest time of the year, to a moderate 17°C (63°F) during cooler months like January.

At night, you can expect temperatures ranging from 22°C (72°F) in July to around 12°C (54°F) during January.

Check out our detailed temperature page for more information.

Temperature ranges by month

Jian has a notably wet climate with abundant precipitation, recording 4175 mm (164 in) of rainfall per year. While rainfall varies throughout the year, each season offers its own charm. September brings wetter days averaging 458 mm (18 in) of precipitation, spread over 18 rainy days.

In contrast, the driest month April experiences a drier climate, with about 279 mm (11 in) of rainfall spread across 17 rainy days. For more details, please visit our Jian Precipitation page.

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

The average number of days each month with precipitation

Seasonal changes in sunshine hours are quite dramatic in Jian. While July receives considerable daily sunshine with up to 8.5 hours, February marks the darkest time of the year, where sunshine is scarce with only 2.2 hours of sunlight per day.

Visit our detailed sunshine hours page for more information.

Monthly hours of sunshine

Daily hours of sunshine

The relative humidity is high throughout the year in Jian.

The city experiences its highest humidity in May, reaching 80%. In December, the humidity drops to its lowest level at 74%. What does this mean? Read our detailed page on humidity levels for further details.

Relative humidity over the year