Cao Bằng Weather & Climate: Best Time to Visit

The climate in Cao Bằng is known for significant temperature differences throughout the year, making the weather dynamic. On average, daytime temperatures range from a very warm 31°C (88°F) in August to a moderate 17°C (63°F) in January.

Nighttime temperatures range from 24°C (75°F) in August to 10°C (50°F) in January.

Check out our detailed temperature page for more information.

Temperature ranges by month

Cao Bằng has a notably wet climate with abundant precipitation, recording 1873 mm (74 in) of rainfall per year. The seasons in Cao Bằng bring significant changes in precipitation. The wettest month, June, receives heavy rainfall, with an average of 314 mm (12 in) of precipitation. This rainfall is distributed across 17 rainy days.

In contrast, the driest month, December, experiences much less rainfall, totaling 55 mm (2.2 in) over 8 rainy days. These distinct seasonal differences provide diverse experiences throughout the year. For more details, please visit our Cao Bằng Precipitation page.

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

The average number of days each month with precipitation

In Cao Bằng, summer days are longer and more sunny, with daily sunshine hours peaking at 6.2 hours in August. As the darker season arrives, the brightness of the sun becomes less. February sees a soft sun for only 2.0 hours per average day.

Visit our detailed sunshine hours page for more information.

Monthly hours of sunshine

Daily hours of sunshine

The city experiences its highest humidity in August, reaching 85%. In March, the humidity drops to its lowest level at 79%. What does this mean? Read our detailed page on humidity levels for further details.

Relative humidity over the year